4-AMINO-6- (HETEROCYCLIC) PICOLINATES AND 6-AMINO-2- (HETEROCYCLIC) PYRIMIDIN-4-CARBOXYLATES AND THE

专利摘要:
4-amino-6- (heterocyclic) picolinates and their derivatives; 6-amino-2- (heterocyclic) pyrimidine-4-carboxylates and their derivatives; and methods of using them as herbicides.
公开号:BR112019023586A2
申请号:R112019023586-8
申请日:2018-05-04
公开日:2020-05-26
发明作者:Kister Jeremy；M. Satchivi Norbert；B. Epp Jeffrey；Roth Joshua
申请人:Dow Agrosciences Llc；
IPC主号:

专利说明:

4-AMINO-6- (HETEROCYCLIC) PICOLINATES AND 6-AMINO-2 (HETEROCYCLIC) PYRIMIDIN-4-CARBOXYLATES AND THEIR USES AS
HERBICIDES
CROSS REFERENCE TO RELATED REQUESTS
[0001] This application claims the benefit of the US provisional patent application serial number 62 / 504,148 filed on May 10, 2017, the entire disclosure of which is expressly incorporated herein by reference.
FIELD
[0002] The present disclosure includes herbicidal compounds, compositions containing them and methods for controlling undesirable vegetation with said compounds and compositions.
BACKGROUND
[0003] The occurrence of undesirable vegetation, for example, weeds, is a constant problem faced by farmers in crops, pastures and other places. Weeds compete with crops and negatively impact crop yield. The use of chemical herbicides is an important tool in the control of undesirable vegetation. Undesirable kochia and common poppy vegetation are particularly problematic in crop fields (for example, wheat, barley, corn, oats, canola and beets), pastures, roads, wastelands and ditches.
[0004] For example, Kochia (Kochia scoparia) is an annual species of early summer emergence commonly found in the western United States and Canada. It is a herbaceous dicot and a member of the Chenopodiaceae family. Kochia was introduced in North America from the
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Europe as an ornamental due to its red color in late summer and autumn. Kochia (Kochia scoparia (L.) Schrad.) Is one of the most problematic annual broadleaf weeds in fields, pastures, roads, wastelands and ditches around the Great Northern Plains (NGP) . If not controlled early, kochia causes severe yield reductions (up to 60%) in crops, including wheat, barley, corn and beets and can be the main weed problem in chemical cultivation.
[0005] The seeds show little to no dormancy and the majority (> 90%) of the seeds on or near the soil surface, under no-tillage conditions, germinate in early spring, with two to three emergency discharges during the summer. Kochia exhibits rapid growth and blooms in late summer. The weed is capable of self-pollination and cross-pollination and reproduces by seeds. A single kochia plant is capable of producing up to 50,000 seeds that can be dispersed by wind, water, contaminants in the hay, agricultural equipment or by vehicles on the farm. At maturity, the plant breaks at the base of the stem and falls over the landscape with the prevailing wind, a unique and rapid mechanism for dispersing seeds. In addition, kochia adapts well in drought, salt and hot and cold conditions.
[0006] Herbicides that were used in an attempt to control kochia include herbicides that inhibit acetolactate synthase (ALS), fluroxypyr, dicamba and glyphosate. Fluroxipir and dicamba are selective herbicides that can
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3/62 to control broadleaf weeds and typically do not harm grasses. The (2-dichlorophenoxy) acetic acid (2,4-D), which is often applied to control kochia, is not effective.
[0007] Glyphosate (such as Roundup®, a registered trademark of Monsanto Technology LLC, a Delaware limited liability company, or other similar generics) is a broad spectrum, non-selective herbicide used for weed control. However, several factors related to the use of glyphosate for more than a decade for weed control before planting, in chemical cultivation, and for crop applications in Roundup Ready® crops (also a registered trademark of Monsanto Technology LLC), resulted in the evolution of glyphosate-resistant weeds (currently 24 species in the United States), including kochia. For example, kochia biotypes resistant to triazines, auxins, ALS herbicides and glyphosate have been well documented.
[0008] Corn poppy or common poppy (Papaver rhoeas) is one of the most problematic dicot weeds in winter cereals in areas of southern Europe that have a Mediterranean climate. Corn poppy is a competitive weed that is well known for its ability to reduce grain yield. The ability of these species to invade, grow and remain in the cereal fields can be attributed to the formation of a persistent seed bank, an extended period of germination and high seed production. Poppy management has become a serious and growing challenge for farmers
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4/62 of cereals and authorities in Europe due to the spread of herbicide-resistant poppy biotypes. The populations of P. rhoeas resistant to sulfonylurea herbicides and / or auxinic herbicides have been reported in Belgium, Denmark, France, Germany, Greece, Italy, Spain, Sweden and the United Kingdom. Some populations of P. rhoeas resistant to photosystem II inhibiting herbicides (PSII) have been found in Poland. The spread of P. rhoeas herbicide-resistant biotypes is a threat to the profitability of cereal production systems.
[0009] Therefore, there remains a need for new chemical herbicides that offer a broader spectrum of weed control, selectivity, minimal crop damage, storage stability, ease of handling, high activity against weeds, and / or means to address the herbicide tolerance developed compared to conventional herbicides.
SUMMARY
[0010] Here are provided compounds of Formula (I):
nr ³ r ⁴
on what
X is N or CY wherein Y is hydrogen, halogen, alkyl Ci-C ₃ haloalkyl , C1 -C3 -alkyl, C1 -C3 haloalkoxy, C1 -C3 alkyl, C1 -C3 alkoxy, C1 -C3 alkylthio, or haloalkylthio Ci-C ₃ ;
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R ¹ is alkynyl or C ₂ -C ₃ alkyl substituted with C1 -C3 CN;
R ² is halogen, C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 alkenyl, C2-C4 haloalkenyl, C2-C4 alkynyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4 haloalkyl, C1-C4 haloalkyl, amino, C1-C4 alkylamino, C2-C4 haloalkylamino, formyl, C1-C3 alkylcarbonyl, C1-C3 haloalkylcarbonyl, cyano or a group of formula -CR ¹⁷ = CR ¹⁸ -S1R ¹⁹ R ^2O R ²¹ , where R ¹⁷ is hydrogen , F, or Cl; R ¹⁸ is hydrogen, F, Cl, C1-C4 alkyl, or C1-C4 haloalkyl; and R ¹⁹ , R ²⁰ and R ²¹ are, independently, C1-C10 alkyl, C3-C ₆ cycloalkyl, phenyl, substituted phenyl, C1-C10 alkoxy, or OH;
R ³ and R ⁴ are independently hydrogen, C 1 -C alkyl, C 1-C haloalkyl, C 3-C 6 alkenyl, C 3-C 6 alkenyl, C 3-C 6 alkynyl, formyl, C 1-C 3 alkyl carbon, C 2 C 3 haloalkylcarbonyl, C-C 6 alkoxycarbonyl, C 1 -alkylcarbonyl C1-C6, C1-C6 alkylsulfonyl, C1-C6 trialkylsilyl, C1-C6 dialkylphosphonyl, or R ³ and R ⁴ taken together with N is a 5- or 6-membered saturated ring, or R ³ and R ⁴ taken together represent ³ = CR '(R ^4') / wherein R ³ 'and R ^4' are independently hydrogen, -C6 alkyl, C ₃ -C ₆ alkenyl, C ₃ -C ₆ alkynyl, Ci-Ce alkoxy or alkylamino Ci-Ce, or, R ³ 'and R ⁴ ' together with = C represent a 5- or 6-membered saturated ring;
R ⁵ is hydrogen, halogen, C1-C4 haloalkyl , C ₂ -C _4, cycloalkyl, halocycloalkyl, C ₂ -C ₄ alkenyl, C ₂ -C 4 haloalkenyl, _C2 -C4 alkynyl, C1 -C3 alkoxy, C1 -C3 haloalkoxy , C1-C3 alkylthio, C1-C3 haloalkylthio, amino, C1-C4 alkylamino, C ₂ -C4 haloalkylamino, OH or CN;
R ⁶ and R ⁶ 'are independently hydrogen, halogen,
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6/62 C1-C4 haloalkyl CiC _4, cyclopropyl, halociclopropil, C2 -C4 alkenyl, C2 -C4 haloalkenyl, C2 -C4 alkynyl, CiC ₃ alkoxy, C1 -C3 haloalkoxy, C1 -C3 alkylthio, haloalkylthio C1 C3, amino, C1-C4 alkylamino or C2-C4 haloalkylamino, OH, CN, or No. ₂ ;
R ⁷ and R ⁷ 'are independently hydrogen, halogen, C1-C4 haloalkyl , C1-C4 alkyl, cyclopropyl, halociclopropil, C ₂ -C ₄ alkenyl, C ₂ -C ₄ haloalkenyl, C ₂ -C ₄ alkynyl, alkoxy CiC ₃ , C1-C3 haloalkoxy, C1-C3 alkylthio, C1-C3 haloalkylthio, amino, C1-C4 alkylamino, C2-C4 haloalkylamino, or phenyl;
^R8 is hydrogen, _Ci-C6 alkyl, Ci-C ₆ haloalkyl, C ₃ -C ₆ alkenyl, C ₃ -C ₆ haloalkenyl, C ₃ -C ₆ alkynyl, formyl, Ci-Ce alkylcarbonyl, cycloalkylcarbonyl Ci-Ce, _Ci-C6 haloalkylcarbonyl, _Ci-C6 alkoxycarbonyl, Ci-Ce haloalcoxicarbonil, arylcarbonyl, heteroarilcarbonil, alquilcarbamil _Ci-C6, Ci-C ₆ alkylthio, _Ci-C6 alkylsulfonyl, _Ci-C6 haloalkylsulfonyl, arylsulfonyl, trialkylsilyl CI- C ₆ , amino, C 1 -C 4 alkylamino, cyano, or phenyl, or an N-oxide thereof.
[0011] Methods for the control of undesirable vegetation are also provided including providing the compound of Formula (I) and (a) putting in contact with the undesirable vegetation or area adjacent to the undesirable vegetation or (b) putting in contact, pre -emergential, with soil or water, a herbicidally effective amount of at least one compound of Formula (I) or an agriculturally acceptable derivative thereof.
DETAILED DESCRIPTION
I. Definitions
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[0012] As used herein, herbicide and herbicidal active ingredient can be understood to include a compound that controls undesirable vegetation when applied in an appropriate amount.
[0013] As used herein, the control of or controlling undesirable vegetation means killing or avoiding vegetation, or causing some other adversity, modifying the effect of vegetation, for example, deviation from natural growth or development, regulation, desiccation, delay and the like.
[0014] As used herein, an herbicidally effective or vegetation control amount can be understood to include the application of an amount of herbicidal active ingredient which controls the relevant undesirable vegetation.
[0015] As used herein, the application of a herbicide or herbicidal composition can be understood by including its distribution directly on the target vegetation or to the location of the same or to the area where the control of unwanted vegetation is desired. Examples of application methods include, but are not limited to, preemergent contact of soil or water, postemergent contact of undesirable vegetation or area adjacent to undesirable vegetation.
[0016] As used herein, plants and vegetation may include, but are not limited to, dormant seeds, germinating seeds, emerging seedlings, plants emerging from vegetative propagules, immature vegetation and established vegetation.
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[0017] As used herein, immature vegetation can be understood to include small vegetative plants before the reproductive stage, and mature vegetation refers to vegetative plants during and after the reproductive stage.
[0018] As used herein, unless otherwise specified, acyl refers to formyl, C1-C3 alkylcarbonyl, and C1-C3 haloalkylcarbonyl. Acyl Ci-Ce refers to formyl, C1-C5 alkylcarbonyl, and C1-C5 haloalkylcarbonyl (the group contains a total of 1 to 6 carbon atoms).
[0019] As used herein, alkyl refers to saturated, straight chain or branched chain hydrocarbon moieties. Unless otherwise specified, C1-C10 alkyl groups are intended. Examples include methyl, ethyl, propyl, 1-methyl-ethyl, butyl, 1-methyl-propyl, 2-methyl-propyl, 1,1-dimethyl-ethyl, pentyl, 1-methyl-butyl, 2-methyl-butyl, 3-methyl-butyl, 2,2-dimethyl-propyl, 1-ethyl-propyl, hexyl, 1,1-dimethyl-propyl, 1,2-dimethyl-propyl, 1-methyl-pentyl, 2-methyl-pentyl, 3-methyl-pentyl, 4-methyl-pentyl, 1,1-dimethyl-butyl, 1,2-dimethyl-butyl, 1,3-dimethyl-butyl, 2,2-dimethyl-butyl, 2,3-dimethyl-butyl, 3,3-dimethyl-butyl, 1-ethyl-butyl, 2-ethyl-butyl, 1,1,2-trimethyl-propyl, 1,2,2-trimethyl-propyl, 1-ethyl-1-methyl-propyl, and l-ethyl-2-methyl -propyl.
[0020] As used herein, haloalkyl refers to straight-chain or branched-chain alkyl groups, in which, in these groups, the hydrogen atoms can be partially or completely replaced by halogen atoms. Unless otherwise specified, Ci-C _{8 groups} are intended. Examples include chloromethyl, bromomethyl, dichloromethyl, trichloromethyl, fluoromethyl, difluoromethyl,
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9/62 trifluormethyl, chlorofluormethyl, dichlorofluormethyl, chlorodifluormethyl, 1-chloroethyl, 1-bromoethyl, 1-fluorethyl, 2fluorethyl, 2,2-difluorethyl, 2,2,2-trifluorethyl, 2-chloro-2fluorethyl, 2-chloro 2 -difluorethyl, 2,2-dichloro-2-fluorethyl, 2,2,2-trichlorethyl, pentafluorethyl, and 1,1,1-trifluorprop-211.
[0021] As used herein, alkenyl refers to portions of unsaturated, straight or branched chain hydrocarbon containing a double bond. Unless otherwise specified, C ₂ -C ₈ alkenyl is intended. Alkenyl groups can contain more than one unsaturated bond. Examples include ethylene, 1-propenyl, 2-propenyl, 1-methylethyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-methyl-lpropenyl, 2-methyl-l-propenyl, l-methyl-2-propenyl, 2-methyl2-propenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 4-pentenyl, 1-methyl-l-butenyl, 2-methyl-l-butenyl, 3-methyl-l-butenyl, 1methyl-2- butenyl, 2-methyl-2-butenyl, 3-methyl-2-butenyl, 1methyl-3-butenyl, 2-methyl-3-butenyl, 3-methyl-3-butenyl, 1,1dimethyl-2-propenyl, 1, 2-dimethyl-l-propenyl, 1,2-dimethyl-2propenyl, 1-ethyl-l-propenyl, l-ethyl-2-propenyl, 1-hexenyl, 2-hexenyl, 3-hexenyl, 4-hexenyl, 5- hexenyl, 1-methyl-1-pentenyl, 2-methyl-1-pentenyl, 3-methyl-1-pentenyl, 4-methyl1-pentenyl, 1-methyl-2-pentenyl, 2-methyl-2-pentenyl, 3methyl-2- pentenyl, 4-methyl-2-pentenyl, 1-methyl-3-pentenyl, 2-methyl-3-pentenyl, 3-methyl-3-pentenyl, 4-methyl-3-pentenyl, l-methyl-4-pentenyl, 2-methyl-4-pentenyl, 3-methyl-4-pentenyl, 4-methyl-4-pentenyl, 1,1-dimethyl-2-butenyl, 1,1-dimethyl-3butenyl, 1,2-dimethyl-l- butenyl, 1,2-dimethyl-2-butenyl, 1,2dimethyl-3-butenyl, 1,3-dimethyl-lb utenyl, 1,3-dimethyl-2
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10/62 butenyl, 1,3-dimethyl-3-butenyl, 2,2-dimethyl-3-butenyl, 2,3dimethyl-1-butenyl, 2,3-dimethyl-2-butenyl, 2,3-dimethyl-3butenyl , 3,3-dimethyl-l-butenyl, 3,3-dimethyl-2-butenyl, 1-ethyl-1-butenyl, 1-ethyl-2-butenyl, 1-ethyl-3-butenyl, 2-ethyl1-butenyl, 2 -ethyl-2-butenyl, 2-ethyl-3-butenyl, 1,1,2trimethyl-2-propenyl, l-ethyl-l-methyl-2-propenyl, l-ethyl-2methyl-l-propenyl, and l- ethyl-2-methyl-2-propenyl. Vinyl refers to a group having the structure -CH = CH ₂ ; 1propenyl refers to a group with the structure -CH = CH-CH ₃ ; and 2-propenyl refers to a group with the structure -CH ₂ -CH = CH ₂ .
[0022] As used herein, alkynyl represents hydrocarbon portions of straight or branched chains containing a triple bond. Unless otherwise specified, C ₂ -C ₈ alkynyl groups are intended. Alkynyl groups can contain more than one unsaturated bond. Examples include C ₂ -C ₆ alkynyl, such as ethynyl, 1propynyl, 2-propynyl (or propargyl), 1-butynyl, 2-butynyl, 3-butynyl, 1-methyl-2-propynyl, 1-pentynyl, 2-pentynyl , 3 pentinyl, 4-pentynyl, 3-methyl-1-butynyl, 1-methyl-2-butynyl, 1-methyl-3-butynyl, 2-methyl-3-butynyl, 1, 1-dimethyl-2propynyl, l-ethyl -2-propynyl, 1-hexynyl, 2-hexynyl, 3hexynyl, 4-hexynyl, 5-hexynyl, 3-methyl-1-pentynyl, 4-methyl1-pentynyl, 1-methyl-2-pentynyl, 4-methyl-2 -pentinyl, 1methyl-3-pentynyl, 2-methyl-3-pentynyl, 1-methyl-4-pentynyl, 2-methyl-4-pentynyl, 3-methyl-4-pentinyl, 1, l-dimethyl-2butinyl, 1 , 1-dimethyl-3-butynyl, 1,2-dimethyl-3-butynyl, 2,2dimethyl-3-butynyl, 3,3-dimethyl-1-butynyl, 1-ethyl-2-butynyl, 1-ethyl-3 -butinyl, 2-ethyl-3-butynyl, and 1-ethyl-1-methyl-2propynyl.
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[0023] As used herein, alkoxy refers to a group of formula R-O-, where R is alkyl as defined above. Unless otherwise specified, alkoxy groups where R is a C 1 -C 6 alkyl group are desired. Examples include methoxy, ethoxy, propoxy, 1-methyl-ethoxy, butoxy, 1-methyl-propoxy, 2-methyl-propoxy, 1,1-dimethyl-ethoxy, pentoxy, 1-methyl-butyloxy, 2-methyl-butoxy, 3- methyl-butoxy, 2,2-dimethyl-propoxy, 1-ethyl-propoxy, hexoxy, 1,1-dimethylpropoxy, 1,2-dimethyl-propoxy, 1-methyl-pentoxy, 2-methylpentoxy, 3-methyl-pentoxi, 4- methyl-pentoxy, 1,1-dimethyl-butoxy, 1,2-dimethyl-butoxy, 1,3-dimethyl-butoxy, 2,2-dimethyl-butoxy, 2,3-dimethyl-butoxy, 3,3-dimethyl-butoxy, 1-ethyl butoxy, 2-ethyl-butoxy, 1,1,2-trimethyl-propoxy, 1,2,2-trimethyl-propoxy, 1-ethyl-1-methyl-propoxy and 1-ethyl-2-methyl-propoxy.
[0024] As used herein, haloalkoxy refers to a group of formula RO-, where R is haloalkyl as defined above. Unless otherwise specified, haloalkoxy groups where R is a C 1 -C ₈ alkyl group are desired. Examples include chloromethoxy, bromomethoxy, dichloromethoxy, trichloromethoxy, fluormethoxy, difluormethoxy, trifluormethoxy, chlorofluormethoxy, dichlorofluormethoxy, chlorodifluormethoxy, 1-chloroethoxy, 1-bromoethoxy, 1-fluoroethoxy, 2-fluorethoxy, 2,2-fluorethoxy, 2,2-fluorethoxy chloro-2-fluorethoxy, 2-chloro-2,2difluorethoxy, 2,2-dichloro-2-fluorethoxy, 2,2,2trichloroethoxy, pentafluorethoxy, and 1,1,1-trifluorprop-2-oxy.
[0025] As used herein, alkylthio refers to a group of formula R-S- where R is alkyl as defined
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12/62 above. Unless otherwise specified, alkylthio groups where R is a C 1 -C 6 alkyl group are desired. Examples include methylthio, ethylthio, propylthio, 1methylethylthio, butylthio, 1-methylpropylthio, 2-methylpropylthio, 1,1-dimethylethylthio, pentylthio, 1-methylbutylthio, 2methylbutylthio, 3-methylbutylthio, 2,2-dimethylpropylthio, 1ethylpropylthio, hexyl 1-dimethylpropylthio, 1,2dimethylpropylthio, 1-methylpentylthio, 2-methylpentylthio, 3-methylpentylthio, 4-methylpentylthio, 1,1-dimethylbutylthio, 1,2dimethylbutylthio, 1,3-dimethylbutylthio, 2,2-dimethylbutylthio, 2,3-dimethylbutyl, 2,3-dimethyl 3,3-dimethylbutylthio, 1-ethylbutylthio, 2-ethylbutylthio, 1,1,2-trimethylpropylthio, 1,2,2trimethylpropylthio, 1-ethyl-1-methylpropylthio, and l-ethyl-2methylpropylthio.
[0026] As used herein, haloalkylthio refers to an alkylthio group as defined above in which the carbon atoms are partially or completely replaced with halogen atoms. Unless otherwise specified, haloalkylthio groups in which R is a C 1 -C ₈ alkyl group are desired. Examples include chloromethyl, bromomethylthio, dichloromethylthio, trichloromethylthio, fluoromethylthio, difluormethylthio, trifluoromethylthio, chlorofluoromethylthio, dichlorofluoromethylthio, chlorodifluoromethylthio, 1-chloroethylthio, 1-bromoethylthio, 2-fluorethylthio, 2-fluorethyl 2-chloro-2fluorethylthio, 2-chloro-2,2-difluorethylthio, 2,2-dichloro-2fluorethylthio, 2,2,2-trichlorethylthio, pentafluorethylthio and 1,1,1-trifluoroprop-2-ylllium.
[0027] As used here, aril, as well as terms
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Derivatives such as aryloxy, refer to a phenyl, indanyl or naphthyl group with phenyl being preferred. The term heteroaryl, as well as derived terms such as heteroaryloxy, refers to 5- or 6-membered aromatic rings containing one or more heteroatoms, namely, N, 0 or S; these aromatic and heteroaromatic rings can be fused to other aromatic and / or heteroaromatic systems. The aryl or heteroaryl substituents may be unsubstituted or substituted with one or more substituents selected from halogen, hydroxy, nitro, cyano, formyl, Ci-C ₆ alkyl, C ₂ -C ₆ alkenyl, C ₂ -C ₆ alkynyl, alkoxy Ο ₂ -Ο _{6, C-C6} haloalkyl, _Ci-C6 haloalkoxy, _Ci-C6 acyl, _Ci-C6 alkylthio, Ci-Ce alkylsulfinyl, Ci-Ce alkylsulfonyl, Ci-C ₆ alkoxycarbonyl, carbamoyl _Ci-C6 , hydroxycarbonyl, alkylcarbonyl C ₂ Ce, aminocarbonyl, alkylaminocarbonyl Ci-Ce, dialkylaminocarbonyl Ci-C ₆ , provided that the substituents are sterically compatible and the chemical bonding and energy tension rules are met. Preferred substituents include halogen, Ο ₂ -Ο ₂ alkyl and C ₂ C ₂ haloalkyl.
[0028] As used herein, alkylcarbonyl refers to an alkyl group attached to a carbonyl group. C1-C3 alkylcarbonyl and C1-C3 haloalkylcarbonyl refer to groups in which a Ο ₂ -Ο ₃ alkyl group is attached to a carbonyl group (the group contains a total of 2 to 4 carbon atoms).
[0029] As used herein, alkoxycarbonyl refers to O a group of formula ^ OR OR where R is alkyl.
[0030] As used herein, arylalkyl refers to a
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14/62 alkyl group substituted with an aryl group. Arylalkyl C ₇ Cio refers to a group in which the total number of carbon atoms in the group is 7 to 10.
[0031] As used herein, alkylamino refers to an amino group substituted with one or two alkyl groups, which can be the same or different.
[0032] As used herein, haloalkylamino refers to an alkylamino group in which the alkyl carbon atoms are partially or completely replaced with halogen atoms.
[0033] As used herein, C 1 -C ₆ alkylaminocarbonyl refers to a group of formula RNHC (O) - where R is C 1 -C alkyl, and dialkylaminocarbonyl C 1 -C refers to a group of formula R ₂ NC (O ) - wherein each R is independently _Ci-C6 alkyl.
[0034] As used herein, alkylcarbamyl refers to a carbamyl group substituted on a nitrogen with an alkyl group.
[0035] As used herein, alkylsulfonyl refers to
THE
II __Q_D a group of formula μ, where R is alkyl. THE
[0036] As used herein, carbamyl (also referred to as carbamoyl and aminocarbonyl) refers to a group of O formula ^H 2 ^N
[0037] As used herein, dialkylphosphonyl refers O II to a group of formula P ^- OR _in g _Ue r θ independently
OR alkyl at each occurrence.
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[0038] As used herein, trialkylsilyl C 1 -C ₆ refers to a group of formula -SiR ₃ where each R is independently a C 1 -C ₆ alkyl group (the group contains a total of 3 to 18 carbon atoms).
[0039] As used herein, Me refers to a methyl group; OMe refers to a methoxy group; i-Pr refers to an isopropyl group.
[0040] As used herein, the term halogen including derivative terms such as halo refers to fluorine, chlorine, bromine and iodine.
[0041] As used herein, agriculturally acceptable salts and esters refer to salts and esters which exhibit herbicidal activity or which are or can be converted into plants, water or soil for the referenced herbicide. Examples of agriculturally acceptable esters are those that are or can be hydrolyzed, oxidized, metabolized or otherwise converted, for example, into plants, water or soil, to the corresponding carboxylic acid, which, depending on the pH, can be in dissociated or non-dissociated form.
[0042] Examples of esters include those derived from C1-C12 alkyl, C3-C12 alkenyl, C3-C12 alkynyl or C7-C10 alkyl alcohols substituted with aryl, such as methyl alcohol, isopropyl alcohol, 1-butanol, 2-ethylhexanol, butoxyethanol, methoxypropanol, allyl alcohol, propargyl alcohol, cyclohexanol or benzyl substituted or unsubstituted alcohols. Benzyl alcohols can be substituted with 1-3 substituents independently selected from halogen, C1-C4 alkyl or C1-C4 alkoxy. Esters can be
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16/62 prepared by coupling acids with alcohol using any number of suitable activating agents such as those used for coupling peptides, such as dicyclohexyl carbodiimide (DCC) or carbonyl diimidazole (GDI); by reacting the acids with alkylating agents such as substituted or unsubstituted alkyl halides, substituted or unsubstituted alkynyl halides, substituted or unsubstituted cyanoalkyl halides (eg cyanomethyl acetate, such as cyanomethyl 2bromoacetate)) or substituted alkylsulfonates or unsubstituted in the presence of a base such as triethylamine or lithium carbonate; by reacting the corresponding acid chloride of an acid with a suitable alcohol; by reacting the corresponding acid with a suitable alcohol in the presence of an acid catalyst or by transesterification.
[0043] Compounds of Formula (I) include N-oxides. Pyridine oxides can be obtained by oxidizing the corresponding pyridines. Suitable oxidation methods are described, for example, in Houben-Weyl, Methoden der organischen Chemie [Methods in Organic Chemistry], volumes and expanded for subsequent 4th edition, volume E 7b, p. 565 f.
II. Compounds
[0044] The compounds described herein are compounds of Formula (I):
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on what
X is N or CY, where Y is hydrogen, halogen, C1-C3 alkyl, C1-C3 haloalkyl, C1-C3 alkoxy, C1-C3 alkoxy, C1-C3 alkoxy, C1-C3 alkylthio or C-C ₃ haloalkylthio;
R ¹ is C3-C12 alkynyl or CN-substituted C1-C3 alkyl;
R ² is halogen, C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 alkenyl, C2-C4 haloalkenyl, C2-C4 alkynyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4 alkylthio, C1-C4 haloalkyl, amino, C1-C4 alkylamino, C2-C4 haloalkylamino, formyl, C1-C3 alkylcarbonyl, C1-C3 haloalkylcarbonyl, cyano or a group of formula -CR ¹⁷ = CR ¹⁸ -SiR ¹⁹ R ²⁰ R ²¹ , where R ¹⁷ is hydrogen, F or Cl; R ¹⁸ is hydrogen, F, Cl, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; and R ¹⁹ , R ²⁰ and R ²¹ are, independently, C1-C10 alkyl, C3-C ₆ cycloalkyl, phenyl, substituted phenyl, C1-C10 alkoxy, or OH;
R ³ and R ⁴ are independently hydrogen, Ci-Ce alkyl, Ci-C ₆ haloalkyl, C ₃ -C ₆ alkenyl, C ₃ -C ₆ haloalkenyl, C ₃ -C ₆ alkynyl, formyl, C1 -C3 alkylcarbonyl, haloalkylcarbonyl C ~ C ₃ , C ₁ -C ₆ alkoxycarbonyl, C ₁ -C ₆ alkylcarbamyl, C 1 -C ₆ alkylsulfonyl, C 1 -C ₆ trialkylsilyl, C ₁ -C dialkylphosphonyl or R ³ and R ⁴ , taken together with N, are a saturated ring of 5 or 6 members or R ³ and R ⁴ , taken together, represent = CR ³ '(R ⁴ '), where R ³ 'and R ⁴ ' are,
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18/62 independently hydrogen, Ci-C ₆ alkyl, C ₃ -C ₆ alkenyl, C ₃ -C ₆ alkynyl, _Ci-C6 alkoxy or _Ci-C6 alkylamino, or R ³ 'and R ^4', taken together with = C, they represent a 5- or 6-membered saturated ring;
R ⁵ is hydrogen, halogen, C1-C4 haloalkyl C ₂ 0 _4, cyclopropyl, halociclopropil, C ₂ -C ₄ alkenyl, C ₂ -C 4 haloalkenyl, C ₂ -C 4 alkynyl, _Ci-C3 alkoxy, haloalkoxy CI- _{C3, Ci-C3} alkylthio, _Ci-C3 haloalkylthio, amino, C1 -C4 alkylamino, C ₂ -C ₄ haloalkylamino, OH or CN;
R ⁶ and R ⁶ 'are independently hydrogen, halogen, C1-C4 haloalkyl , C1-C4 alkyl, cyclopropyl, halociclopropil, C ₂ -C 4 alkenyl, C ₂ -C 4 haloalkenyl, C ₂ -C 4 alkynyl, C ₂ alkoxy C ₃ haloalkoxy, _{Ci-C3, Ci-C3-alkylthio, Ci-C3} haloalkylthio, amino, C1-C4 haloalkylamino or _C2-C4, OH, CN or N0 _2;
R ⁷ and R ⁷ 'are independently hydrogen, halogen, C1-C4 haloalkyl , C1-C4 alkyl, cyclopropyl, halociclopropil, C ₂ -C 4 alkenyl, C ₂ -C 4 haloalkenyl, C ₂ -C 4 alkynyl, C ₂ alkoxy C _{3, Ci-C3-haloalkoxy, Ci-C3-alkylthio, Ci-C3} haloalkylthio, amino, C1 -C4 alkylamino, _C2 -C4 haloalkylamino or phenyl;
R ⁸ is hydrogen, alkyl 0ι-0 ₃ 0 _3-0ι haloalkyl, C ₃ -C ₆ alkenyl, C ₃ -C ₆ haloalkenyl, C ₃ -C ₆ alkynyl, formyl, alkylcarbonyl 0ι _3-0, 0-cycloalkylcarbonyl 0ι _3, haloalkylcarbonyl Ci-C ₆ alkoxycarbonyl Ci-C ₆ haloalcoxicarbonil Ci-C ₆ arylcarbonyl, heteroarilcarbonil, alquilcarbamil Ci-C ₆ alkylthio-C ₆ alkylsulfonyl Ci -C ₆ haloalkylsulfonyl _Ci-C6, arylsulfonyl, trialkylsilyl C 1 -C ₆ , amino, C 1 -C 4 alkylamino, cyano or phenyl.
[0045] In some embodiments, the Formula compound
Petition 870200041916, of 03/31/2020, p. 25/69
19/62 (D is
on what
X is N, CH, CF, CC1 or CBr;
R ¹ is alkynyl or C ₂ -C ₃ alkyl substituted with C1 -C3 CN;
R ² is chlorine;
R ³ and R ⁴ are hydrogen;
R ⁵ is hydrogen, halogen, OH, amino, CN, C1-C3 alkyl, C1-C3 alkoxy, C1-C3 alkylamino, or cyclopropyl;
R ⁶ and R ⁶ 'are, independently, hydrogen, halogen, OH, NH ₂ , CN, C1-C3 alkyl, C1-C3 alkoxy, cyclopropyl or vinyl;
R ⁷ and R ⁷ 'are, independently, hydrogen, halogen, C1-C3 alkyl, C1-C3 alkoxy, C1-C3 alkylthio, cyclopropyl, C1-C3 alkylamino, or phenyl; and
^R8 is hydrogen, Ci-Ce alkylcarbonyl, cycloalkylcarbonyl _Ci-C6, Ci-C ₆ alkoxycarbonyl or arylcarbonyl;
or an N-oxide or an agriculturally acceptable salt thereof.
[0046] In some embodiments, the compound of Formula (D is
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20/62 where
R ² is halogen, C ₂ -C ₄ alkenyl, C ₂ -C ₄ haloalkenyl or _Ci-C4 alkoxy;
R ⁵ is hydrogen or F;
R ⁶ is hydrogen or F;
R ⁶ 'is hydrogen; and
R ⁷ and R ⁷ 'are, independently, hydrogen or halogen.
[0047] In some embodiments, the compound of Formula (D is where
R ² is chlorine, methoxy, vinyl, or 1-propenyl;
R ³ and R ⁴ are hydrogen; and
X is CF.
[0048] In some embodiments:
R ¹ is propargyl; and
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21/62 the compound of Formula (I) is
[0049] In some embodiments:
R ¹ is cyanomethyl;
the compound of Formula (I) is
NH ₂
X X o
Γι ^N π
XX / ^ X o O ' ^F
V — NH
III. Preparation Methods
[0050] Procedures for synthesizing 4-amino-6 (heterocyclic) picolinic acids, where X is CH or CF and R ¹ is H, and 6-amino-2- (heterocyclic) pyrimidine carboxylic acids, where X is N and R ^{1 and} H are described in U.S. Patent No. 9,637,505 by Eckelbarger et al., Which is incorporated herein by reference in its entirety.
[0051] A procedure for synthesizing the compounds of Formula (I) in which R ¹ , R ² , R ³ , R ⁴ , R ⁵ , R ⁶ , R ⁶ ', R ⁷ , R ⁷ ' and R ⁸ are as defined above is shown in Scheme 1
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22/62
Layout 1

Formula (I)
[0052] Acids
1-1 can be converted to the compounds of Formula (I) by esterification (Scheme 1 step
Esters can be prepared by coupling the acids with an alcohol using any number of suitable activating agents such as those used for coupling peptides including dicyclohexylcarbodiimide (DCC) or carbonyl diimidazole (GDI); by reacting the acids with alkylating agents such as substituted or unsubstituted alkyl halides, substituted or unsubstituted alkynyl halides, substituted or unsubstituted cyanoalkyl halides or substituted or unsubstituted alkyl sulfonates in the presence of a base such as triethylamine or lithium carbonate or potassium; through the
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23/62 reaction of the corresponding acid chloride of an acid with a suitable alcohol; or by reacting the corresponding acid with a suitable alcohol in the presence of an acid catalyst. The reactions can be carried out in polar, aprotic solvents such as dimethyl sulfoxide, N, N-dimethylformamide, dichloromethane or 1,2-dichloroethane.
IV. Mixtures
[0053] In some embodiments, the compounds, compositions and methods provided herein are used in conjunction with one or more other herbicides to control a wider variety of undesirable vegetation. When used in conjunction with other herbicides, the compounds described herein can be formulated with another herbicide or herbicides, mixed in batch with another herbicide or herbicides or applied sequentially to the other herbicide or herbicides. Some of the herbicides that can be used in conjunction with the compounds of the present disclosure include, but are not limited to, 4-CPA; 4-CPB; 4-CPP; 2,4-D; choline salt 2,4-D, esters and amines 2,4-D; 2,4-DB; 3,4-DA; 3,4-DB; 2,4-DEB; 2,4-DEP; 3,4-DP; 2,3,6-TBA; 2,4,5-T; 2,4,5-TB; acetochlor, acifluorfen, aclonifen, acrolein, alachlor, alidochlor, aloxidim, allyl alcohol, alorac, ametridione, amethrine, amibuzine, amicarbazone, amidosulfurone, aminocyclopyrachlor, aminopyralide, methyl amiprofos, anhydride, amitrol, amitrol, amitrol atrazine, azafenidin, azimsulfurone, aziprotrine, barbana, BCPC, beflubutamide, benazoline, bencarbazone, benfluralin, benfuresate, methyl bensulfurone, bensulide, bentiocarb, bentazone sodium salt, benzadox,
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24/62 benzfendizone, benzipram, benzobicyclone, benzofenap, benzofluoride, benzoylprop, benzthiazuron, bicyclopyrone, bifenox, bilanafos, bispiribac sodium salt, borax, bromacil, bromobonyl, bromobutyl, butromethyl, bromophenyl, bromoxyn, , butidazole, butiuron, butralin, butroxidim, buturon, butylate, cacodyl acid, cafenstrol, calcium chlorate, calcium cyanamide, cambendichlor, carbasulam, carbetamide, carboxazole, carfentrazone-ethyl, CDEA, CEPC, chloromethoxy, chloro-chloro, chloro-chloro, chloro-chloro chlorazine, clorbromuron, chlorinate, chloreturon, chlorfenac, chlorfenprop, chlorflurazole, chlorflurenol, chloridazon, chlorimuron, chlornitrofen, chloropon, chlorotoluron, chloroxuron, chloroxynil, chlorprocarb, chlorprofam, chlorinyl, chloride, chloride, chloride, chloride clacyfos, cletodim, cliodinate, clodinafop-propargil, clofop, clomazone, clomeprop, cloprop, cloproxidim, clopyralide, chloransulammethyl, CMA, copper sulphate, CPMF, CPPC, credazine, cresol, cumiluron, cyanatrine, cyanazine, cyclate, cyclopyranyl, cyclopyrimorate, cyclosulfamuron, cycloxidim, cycluron, cihalofop-butyl, cyperquat, cyprazine, cyprazol, dapron, cyprazol, cypron, dapron, cyprazol, cyprom, delachlor, desmedifam, desmetrin, di-alate, dicamba, dichlobenyl, dichloralurea, dichlormate, dichlorprop, dichlorprop-P, diclofop, diclosulam, dietamquat, diethyl, diphenopentene, diphenoxuron, difenzoquat, dimlufen, diflufen, diflufen, diflufen dimetenamide, dimetenamide-P, dimexane, dimidazon, dinitramine,
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25/62 dinofenate, dinoprop, dinosam, dinoseb, dinoterb, diphenamide, dipropetrin, diquat, disul, dithiopir, diuron, DMPA, DNOC, DSMA, EBEP, eglinazine, endothal, epronaz, EPTC, erbon, esprocarb, etalflurine, etulfamide, etulfamide, ethanol , etidimuron, etiolate, etobenzamide, etobenzamide, etofumesate, ethoxyfen, ethoxysulfurone, ethinophene, etnipromide, etobenzanide, EXD, fenasulam, fenoprop, fenoxaprop, fenoxaprop-P-ethyl, phenoxaprop-P-ethylphenone, phenoxypropyl, phenoxyphenone , fentiaprop, fentrazamide, fenuron, ferrous sulphate, flamprop, flamprop-M, flazasulfurone, florasulam, florpirauxifene-benzyl, fluazifop, fluazifop-P-butyl, fluazolate, flucarbazone, flucetosulfurone, fluclorum, flufenacet, flufenacet, flufenacet flumezin, flumichlorac-pentyl, flumioxazin, flumipropyn, fluometurone, fluordifene, fluorglicofene, fluormidine, fluornitrofen, fluotiiuron, flupoxam, flupropacil, flupropanate, flupirsulfuron, fluridone, flurochloridone, fluroxlor ipir, flurtamone, flutiacet, fomesafen, foramsulfuron, phosamine, furyloxifen, glufosinate, ammonium glufosinate, glyphosate, halosafen, halosulfuron-methyl, haloxidine, haloxifop-methyl, haloxifop-P-methyl, hexalone, hexalone imazametabenz, imazamox, imazapic, imazapir, imazaquin, imazetapyr, imazosulfuron, indanofan, indaziflam, iodobonyl, iodomethane, iodosulfuron, iofensulfuron, ioxinil, ipazine, isfurinone, isopramidone, iprimidone, iprimidone, isopramidone, isoxaben, isoxaclortol, isoxaflutole,
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26/62 isoxapirifop, karbutilate, ketospiradox, lactofen, lancotrione, lenacil, linuron, MAA, MAMA, MCPA esters and amines, MCPA-thioethyl, MCPB, mecoprop, mecoprop-P, medinoterb, mefenacet, mefluidide, mesoprazide, mesoprazide, mesoprazide , metam, metamifop, metamitron, metazachlor, metazosulfuron, metflurazon, metabenztiazuron, metallopralin, metazol, metiobencarb, metiozolin, metiuron, metometon, metoprothrin, methyl bromide, methyl isothioconate, methyldromone, methyldromone, methyldromone, methyldromone, methyldromone, , molinate, monalide, monisouron, monochloric acetic acid, monolinuron, monuron, morfamquat, MSMA, naproanilide, napropamide, napropamide-M, naptalam, neburon, nicosulfuron, nipyraclofen, nitralin, nitrophene, norofuror, norofurur, norflurazon -dichlorobenzene, ortosulfamuron, oryzine, oxadiargyl, oxadiazon, oxapyrazon, oxasulfuron, oxaziclomefone, oxyfluorfen, paraflufen-ethyl, parafluron, paraquat, pebulate, acid pelargonic, pendimetalin, penoxsulam, pentachlorophenol, pentanochlor, pentoxazone, perfluidone, petoxamide, fenisofam, fenmedifam, fenmedifam-ethyl, phenobenzuron, mercury phenyl acetate, picloram, picolinafen, potassium, piperxamide, potassium, piperxamide, potassium, piperxamide, potassium, piperoxide , pretilachlor, primisulfuronmethyl, prociazine, prodiamine, profluazole, profluralin, profoxidim, proglinazine, prohexadione-calcium, prometon, prometrin, propachlor, propanyl, propaquizafop, propazine, profam, propisochlorine, propoxycarbonate, propyrisulfon, propyrisulfon, propiris
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27/62 proxan, prinachlor, pidanon, piraclonil, piraflufen, pirasulfotol, pyrazogil, pyrazolinate, pirazosulfuron-ethyl, pyrazoxifene, pyribenzoxim, pyributicarb, pyrichloride, pyridafol, pyridate, pyriftalid, pyriminobac, pyrimisulfan, pyrimisulfan, pyrimisulfan, pyrimisulfan, pyrimisulfan, , quinmerac, quinoclamine, quinonamid, quizalofop, quizalofopP-ethyl, rodetanil, rimsulfuron, saflufenacil, S-metolachlor, sebutilazine, secbumeton, setoxidim, siduron, simazine, simeton, symmetrine, SMA, sodium arsenite, sodium arsenite, sodium arsenite , sulcotrione, sulfalate, sulfentrazone, sulfometuron, sulfosate, sulfosulfuron, sulfuric acid, sulglicapin, swep, TCA, tebutam, tebutiuron, tefuriltrione, tembotrione, tepraloxidim, terbacil, terbucarb, terbucloron, terbucloro, terbucloro, terbucloro, terbucet, terbucloro thiazopyr, tidiazimin, tidiazuron, thiencarbazone-methyl, thifensulfuron, thiobencarb, thiafenacil, thiocarbazil, thioclorin, tolpiralate, topramezone, tralcoxidim, triafam na, trialate, triasulfurone, triaziflam, tribenuron, tricamba, esters and amines of triclopyr, tridifan, trietazine, trifloxysulfurone, trifludimoxazine, trifluralin, triflusulfurone, trifop, trifopsima, trihydroxytracyne, trifloxytritone, trihydroxytritone The mixing partner (s) can be formulated as an acid or free base or as a salt or ester, as defined above.
[0054] The compounds and compositions described herein can, in general, be used in combination with known herbicide protection agents, such as benoxacor, bentiocarb, brassinolid, cloquintocet (e.g.
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28/62 mexil), ciometrinil, daimuron, diclormid, dicyclonon, dimepiperate, disulfoton, fenclorazol-ethyl, fenclorim, flurazole, fluxofenim, furilazol, harpin proteins, isoxadifen-ethyl, mefenpir-diethyl, 2-dichloromethyl 2-dichloromethyl 2 -dioxolane also known as MG 191, dichloroacetill-oxa-4-azaspiro (4,5) -decane also known as MON 4660, naphthalic anhydride (NA), oxabetrinyl, (R, S) -3-dichloroacetyl2,2,5- trimethyloxazolidine also known as R-29148, metcamifen, N-phenylsulfonyl benzoic acid amides or mixtures thereof, to improve their selectivity.
[0055] In some embodiments, the compounds provided herein can be used in mixtures containing an herbicidally effective amount of the compound together with at least one agriculturally acceptable adjuvant or carrier. Examples of adjuvants or carriers include those that are not phytotoxic or significantly phytotoxic to valuable crops, for example, in the concentrations used in the application of compositions for the selective control of weeds in the presence of crops, and / or do not react or react chemically, significantly, with the compounds provided herein or other ingredients of the composition. Such mixtures can be designed for application directly to weeds or their locations, or they can be concentrated or formulations that are diluted with additional carriers and adjuvants before application. They can be solids, such as, for example, powders, granules, water-dispersible granules or wettable powders, or liquids, such as, for example, emulsifiable concentrates, solutions, emulsions or suspensions. They can also be
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29/62 supplied as a pre-mix or batch mix.
[0056] Agronomically acceptable adjuvants and carriers which are useful in preparing the herbicidal mixtures of the disclosure are well known to a person skilled in the art. Some of these adjuvants include, but are not limited to, harvest oil concentrate (mineral oil (85%) + emulsifiers (15%)); nonylphenol ethoxylate; benzylcocoalkylimethyl quaternary ammonium salt; mixture of petroleum hydrocarbons, alkyl esters, organic acid and anionic surfactant; C ₉ -Cn alkyl polyglycoside; phosphate alcohol ethoxylate; natural primary (C ₂ -C ₆ ) ethoxylate; di-sec-butylphenol EO-PO block copolymer; polysiloxane ethoxylate - methyl cap; nonylphenol + urea ammonium nitrate; methylated emulsified seed oil; tridecyl alcohol (8 EO) ethoxylate (synthetic); amine tallow ethoxylate (15 EO); PEG (400) dioleate-99.
[0057] Liquid carriers that can be used include water and organic solvents. Examples of organic solvents include, but are not limited to, petroleum or hydrocarbon fractions such as mineral oil, aromatic solvents, paraffinic oils and the like; vegetable oils such as soybean oil, rapeseed oil, olive oil, castor oil, sunflower oil, coconut oil, corn oil, cottonseed oil, linseed oil, palm oil, peanut oil, safflower oil, sesame oil, tung oil and the like; esters of the above vegetable oils; esters of monoalcohols or dihydric, trihydric or other lower polyalcohols (containing 4-6 hydroxyls), such as 2-ethylhexyl stearate, n-oleate
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Butyl, isopropyl myristate, propylene glycol dioleate, di-octyl succinate, di-butyl adipate, di-octyl phthalate and the like; esters of mono-, di- and poly-carboxylic acids and the like. Specific organic solvents include toluene, xylene, petroleum naphtha, harvest oil, acetone, methyl ethyl ketone, cyclohexanone, trichlorethylene, perchlorethylene, ethyl acetate, amyl acetate, butyl acetate, propylene glycol monomethyl ether and diethylene glycol monomethyl ether, methyl alcohol, ethyl alcohol, isopropyl alcohol, amyl alcohol, ethylene glycol, propylene glycol, glycerin, N-methyl 2 pyrrolidinone, N, N-dimethyl alkylamides, dimethyl sulfoxide, liquid fertilizers, and the like. In some embodiments, water is the carrier for the dilution of concentrates.
[0058] Suitable solid carriers include talc, pyrophyllite clay, silica, attapulgus clay, kaolin clay, diatomite, chalk, diatomaceous earth, lime, calcium carbonate, bentonite clay, Fuller earth, cotton seed husks , wheat flour, soy flour, pumice stone, wood flour, nutshell flour, lignin and the like. Suitable solid carriers can also include combinations of the solid carriers mentioned above.
[0059] In some embodiments, one or more surface active agents are used in the compositions of the present disclosure. Such surface active agents are, in some embodiments, employed in both solid and liquid compositions, for example, those designed for
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31/62 be diluted with carrier before application. Surface active agents can be anionic, cationic or non-ionic in character and can be used as emulsifying agents, wetting agents, suspending agents or for other purposes. Surfactants conventionally used in the art in the formulation and which can be used in the present formulations are described, inter alia, in McCutcheon Detergents and Emulsifiers Annuals, MC Publishing Corp., Ridgewood, New Jersey, 1998, and in the Encyclopedia of Surfactants, volume I - III, Chemical Publishing Co., New York, 1980 - 81. Typical surface active agents include alkyl sulfate salts, such as diethanolammonium lauryl sulfate; alkylaryl sulfonate salts, such as calcium dodecylbenzene sulfonate; alkylphenol-alkylene oxide addition products, such as nonylphenol-C ₈ ethoxylate; addition products of alcohol - alkylene oxide, such as tridecyl alcohol ethoxylate - C _6; soaps, such as sodium stearate; alkyl naphthalene sulfonate salts, such as sodium dibutyl naphthalene sulfonate; salts of dialkyl sulfosuccinate esters, such as sodium di (2-ethylhexyl) sulfosuccinate; sorbitol esters, such as sorbitol oleate; quaternary amines, such as lauryl trimethyl ammonium chloride; polyethylene glycol esters of fatty acids, such as polyethylene glycol stearate; block copolymers of ethylene oxide and propylene oxide; salts of mono- and dialkyl phosphate esters; vegetable or seed oils such as soybean oil, rapeseed / canola oil, olive oil, castor oil, sunflower oil, coconut oil,
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32/62 corn oil, cottonseed oil, linseed oil, palm oil, peanut oil, safflower oil, sesame oil, tung oil and the like; and esters of the above vegetable oils, for example, methyl esters.
[0060] Often, some of these materials, such as vegetable or seed oils and their esters, can be used interchangeably as an agricultural adjuvant, as a liquid carrier or as a surface active agent.
[0061] Other adjuvants commonly used in agricultural compositions include compatibilizing agents, antifoaming agents, sequestering agents, neutralizing agents and buffers, corrosion inhibitors, dyes, odorants, blowing agents, penetration aids, adhering agents, dispersing agents, thickening agents, melting point depressants, antimicrobial agents and the like. The compositions can also contain other compatible components, for example, other herbicides, plant growth regulators, fungicides, insecticides and the like and can be formulated with liquid or solid fertilizers, containing particulate fertilizers, such as ammonium nitrate, urea and the like.
[0062] The concentration of active ingredients in the herbicidal compositions of this disclosure is, in general, from about 0.001 to about 98 weight percent. Concentrations of about 0.01 to about 90 weight percent are often employed. In compositions designed to be used as concentrates, the active ingredients are, in general, present in a concentration of about 5 to about
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33/62 of 98 weight percent, preferably about 10 to about 90 weight percent. Such compositions are typically diluted with an inert carrier, such as water, before application. The diluted compositions usually applied to weeds or the weed site, in general, contain about 0.0001 to about 1 weight percent of active ingredient and preferably contain about 0.001 to about 0.05 weight percent.
[0063] As used here, the modifier about used in connection with a quantity is inclusive of the indicated value and has the meaning dictated by the context (for example, it includes at least the degree of error associated with the measure of particular quantity). When used in the context of a range, the about modifier should also be considered as disclosing the range defined by the absolute values of the two end points. For example, the range of about 2 to about 4 also discloses the range of 2 to 4.
V. Application Methods
[0064] The present compositions can be applied to weeds or to their location by the use of conventional, powdered or aerial dusters, sprayers and granule applicators, in addition to irrigation or flood water, and by other conventional means known to those skilled in the art. subject matter.
[0065] In some embodiments, the present compounds and compositions described herein are applied as a post-emergency application, pre-emergency application, application in water to flooded paddy rice or bodies of water
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34/62 (for example, ponds, lakes and streams), or burning application.
[0066] In some embodiments, the compounds and compositions provided herein are used to control weeds in crops, including but not limited to citrus, apples, rubber, palm oil, forestry, no-till, water-sowing and transplanted rice, wheat , barley, oats, rye, sorghum, maize, pasture, grassland, mountainous areas, fallow land, peatland, tree and vine orchards, aquatic or row crops, as well as crop-free settings, for example, industrial vegetation management or passage. In some embodiments, compounds and compositions are used to control woody plants, weeds or broadleaf or grassy reeds.
[0067] In some embodiments, the compounds and compositions provided here are used to control undesirable vegetation in rice. In certain embodiments, the undesirable vegetation is Brachíaría platyphylla (Groseb.) Nash (broad-leaved grass, BRAPP), Digitaria sanguinalis (L.) Scop. (typed million, DIGSA), Echinochloa crus-galli (L.) P. Beauv. (million rooster foot, ECHCG), Echinochloa colonum (L.) LINK (colony grass, ECHCO), Echinochloa oryzoides (Ard.) Fritsch (corral grass, ECHOR), Echinochloa oryzicola (Vasinger) Vasinger (rice, ECHPH), Ischaemum rugosum Salisb. (male grass, ISCRU), Leptochloa chinensis (L.) Nees (red sprangletop, LEECH), Leptochloa fascicularis (Lam.) Gray (leptocloa, LEFFA), Leptochloa panicoides (Presl.) Hitchc.
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35/62 (Amazonian leptocloa, LEFPA), Panicum dichotomiflorum (L.) Michx. (panicum, PANDI), Paspalum dilatation Poir. (long grass, PASDI), Cyperus difformis L. (blackened, CYPDI), Cyperus esculentus L. (little bud, CYPES), Cyperus would L. (beaded bud, CYPIR), Cyperus rotundus L. (tiririca, CYPRO), species of Eleocharis (ELOSS), Fimbristylis miliacea (L.) Vahl (false cumin, FIMMI), Schoenoplectus juncoides Roxb. (jonquil, SPCJU), Schoenoplectus maritimus L. (sea jonquil, SCPMA), Schoenoplectus mucronatus L. (rice jonquil, SCPMU), Aeschynomene species, (corticinha, AESSS), Alternanthera philoxeroides (Mart.) Griseb. (alligator grass, ALRPH), Alisma plantago-aquatica L. (mule ear, ALSPA), Amaranthus species (purple and amaranth caruru, AMASS), Ammannia coccinea Rottb. (redstem, AMMCO), Eclipta alba (L.) Hassk. (button grass, ECLAL), Heteranthera limosa (SW.) Willd./Vahl (water hyacinth, HETLI), Heteranthera reniformis R. & P. (new rice herbs, HETRE), Ipomoea hederacea (L.) Jacq. (morning glory, IPOHE), Lindernia dubla (L.) Pennell (dragon agave, LIDDU), Monochoria korsakowii Regel & Maack (monocory, MOOKA), Monochoria vaginalis (Burm. F.) C. Presl ex Kuhth, (monocory, MOOVA) , Murdannia nudiflora (L.) Brenan (trapoeraba, MUDNU), Polygonum pensylvanicum L., (Pennsylvania herb, POLPY), Polygonum persicaria L. (peach herb, POLPE), Polygonum hydropiperoides Michx. (silkworm, POLHP), Rotala indica (Willd.) Koehne (round leaf rotala, ROTIN), Sagittaria species (bayonet, SAGSS), Sesbania exaltata (Raf.) Cory / Rydb. Ex Hill (hemp
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36/62 of the Colorado River, SEBEX) or Sphenoclea zeylanica Gaertn. (sphenoclea, SPDZE).
[0068] In some embodiments, the compounds and compositions provided herein are used to control undesirable vegetation in cereals. In certain embodiments, the undesirable vegetation is Alopecurus myosuroides Huds. (fox tail, ALOMY), Apera spíca-ventí (L.) Beauv. (apera, APESV), Avena fatua L. (wild oats,
AVEFA), Bromus tectorum L. (bromine, BROTE), Lolium multiflorum Lam. (Italian ryegrass, LOLMU), Phalaris minor Retz. (head grass, PHAMI), Poa annua L. (dog hair, POAAN), Setaria pumila (Poir.) Roemer & JA Schultes (yellow foxtail grass, SETLU), Setaria viridis (L.) Beauv. (green foxtail grass, SETVI), Cirsium arvense (L.) Scop, (vine thistle, CIRAR / _r Galium aparine L. (pagamaco, GALAP), Kochia scoparia (L.) Schrad. (kochia, KCHSC), Lamium purpureum L. (wild mint, LAMPU), Matricaria recutita L.
(wild chamomile, MATCH), Matricaria matricarioides (Less.) Porter (pineapple weed, MATMT), Papaver rhoeas L. (common poppy, PAPRH), Polygonum convolvulus L. (wild buckwheat, POLCO), Salsola tragus L. (Russian thistle, SASKR), Stellaria media (L.) Vill. (common chickweed, STEME), Veronica Persian Poir. (Persian veronica, VERPE), Viola arvensis Murr. (field violet, VIOAR) or Viola tricolor L. (wild violet, VIOTR).
[0069] In some embodiments, the compounds and compositions provided here are used to control undesirable vegetation in strips and pastures. In certain embodiments, the undesirable vegetation is Ambrosia
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37/62 artemisiifolia L. (artemisia americana, AMBEL), Cassia obtusifolia (forest pasture, CASOB), Centaurea maculosa auct. non Lam. (evil flower, CENMA), Cirsium arvense (L.) Scop, (vine thistle, CIRAR), Convolvulus arvensis L. (bell, CONAR), Euphorbia esula L. (round esula, EPHES), Lactuca serriola L. / Torn, (wild lettuce, LACSE), Plantago lanceolata L. (sheep's tongue, PLALA), Rumex obtusifolius L. (mantegueira, RUMOB), Sida spinosa L. (black broom, SIDSP), Sinapis arvensis L. ( wild mustard, SINAR), Sonchus arvensis L. (milkweed, SONAR), Solidago species (tango, SOOSS), Taraxacum officinale GH Weber ex Wiggers (dandelion, TAROF), Trifolium repens L. (white clover, TRFRE), or Urtica dioica L. (common nettle, URTDI).
[0070] In some embodiments, the compounds and compositions provided here are used to control undesirable vegetation found in row crops. In certain embodiments, the undesirable vegetation is Alopecurus myosuroides Huds. (foxtail, ALOMY), Avena fatua L. (wild oats, AVEFA), Brachiaria platyphylla (Groseb.) Nash (broadleaf graminea, BRAPP), Digitaria sanguinalis (L.) Scop. (typed million, DIGSA), Echinochloa crus-galli (L.) P. Beauv. (million rooster foot, ECHCG), Echinochloa colonum (L.) Link (colony grass, ECHCO), Lolium multiflorum Lam. (Italian ryegrass, LOLMU), Panicum dichotomiflorum Michx. (wet grass, PANDI), Panicum miliaceum L. (red millet, PANMI), Setaria faberi Herrm. (giant foxtail grass, SETFA), Setaria viridis (L.) Beauv. (green foxtail grass, SETVI), Sorghum halepense
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38/62 (L.) Pers, (barley grass, SORHA), Sorghum bicolor (L.) Moench ssp. Arundinaceum (sorghum, SORVU), Cyperus esculentus L. (little bud, CYPES), Cyperus rotundus L. (tiririca, CYPRO), Abutilon theophrasti Medik. (china jute, ABUTH), Amaranthus species (purple and amaranth caruru, AMASS), Ambrosia artemisiifolia L. (artemisia americana, AMBEL), Ambrosia psilostachya DC. (western artemisia, AMBPS), Ambrosia trifida L. (giant artemisia, AMBTR), Asclepias syriaca L. (wild cotton, ASCSY), Chenopodium album L. (common anquinha, CHEAL), Cirsium arvense (L.) Scop, (vine thistle, CIRAR), Commelina benghalensis L. (santa luzia herb, COMBE), Datura stramonium L. (trumpet, DATST), Daucus carota L. (wild carrot, DAUCA), Euphorbia heterophylla L. (wild poinsettia, EPHHL), Erigeron bonariensis L. (brooch, ERIBO), Erigeron canadensis L. (erigão, ERICA), Helianthus annuus L. (common sunflower, HELAN), Jacquemontia tamnifolia (L.) Griseb. (morning glory of small flowers, IAQTA), Ipomoea hederacea (L.) Jacq. (jeticuçu, IPOHE), Ipomoea lacunosa L. (morning glory, IPOLA), Lactuca serriola L./Torn. (wild lettuce, LACSE), Portulaca oleracea L. (common purslane, POROL), Sida spinosa L. (black broom, SIDSP), Sinapis arvensis L. (wild mustard, SINAR), Solanum ptycanthum Dunal (olive herb, SOLPT) or Xanthium strumarium L. (common tick, XANST).
[0071] In some embodiments, application rates of about 1 to about 4,000 grams / hectare (g / ha) are used in post-emergency operations. In some embodiments, rates from about 1 to about 4,000 g / ha
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39/62 are employed in pre-emergency operations.
[0072] The compounds, compositions and methods described herein are used to control undesirable vegetation in crops tolerant to 5enolpyruvylchiquimate-3-phosphate synthase (EPSP) inhibitors (eg glyphosate tolerant), tolerant to glutamine synthase inhibitors (for example tolerant to glufosinate), tolerant to synthetic auxin (for example, tolerant to dicamba, tolerant to phenoxy auxin, tolerant to pyridyloxy auxin), tolerant to inhibitors of auxin transporters, tolerant to acetyl CoA carboxylase (ACCase) inhibitors (by example, tolerant to aryloxyphenoxy propionate), tolerant to acetolactate synthase (ALS) inhibitors or acetohydroxy synthase (AHAS) (e.g., imidazolinone tolerant, sulfonylurea tolerant, pyrimidinylthiobenzoate tolerant, tolerant to triazolopyrimidine, triazoline, trinyl amine, tolinyl trinolinone, tolerants to triazolopyrimidine) , tolerant to 4-hydroxyphenyl pyruvate dioxigenase (HPPD) inhibitors, tolerant to inhibitors of toporphyrinogen oxidase (PPO), tolerant to photosystem (PS) II inhibitors (for example, triazine tolerant and bromoxynil tolerant) (such as, but not limited to, soy, cotton, canola / oilseed rape, rice, cereals, corn, turf, etc.), for example, in conjunction with EPSP synthase inhibitors (eg glyphosate), glutamine synthase inhibitors (eg glufosinate), synthetic auxins (eg dicamba, phenoxy auxins, pyridyloxy auxins), inhibitors of ACCase (for example, aryloxyphenoxypropionates), ALS inhibitors (for example,
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40/62 imidazolinones, sulfonylureas, pyrimidinyl thiobenzoates, triazolopyrimidines and sulfonylamino carbonyltriazolinones), HPPD inhibitors, PPO inhibitors and PS II inhibitors (for example, triazines and bromoxynil). The compositions and methods can be used to control undesirable vegetation in crops that have multiple or accumulated aspects that confer tolerance to multiple chemicals and / or inhibitors of multiple modes of action.
[0073] The compounds and compositions provided here can also be used to control herbicide-resistant or tolerant weeds. Examples of resistant or tolerant weeds include, but are not limited to, biotypes resistant or tolerant to ALS (or AHAS) inhibitors, PS II inhibitors, ACCase inhibitors, synthetic auxins, PS I inhibitors, EPSP synthase inhibitors, inhibitors microtubule assembly, lipid synthesis inhibitors, PPO inhibitors, carotenoid biosynthesis inhibitors, very long chain fatty acid inhibitors (VLCFA), phytene desaturase (PDS) inhibitors, glutamine synthetase inhibitors, HPPD inhibitors, mitosis inhibitors, cellulose biosynthesis inhibitors, herbicides with multiple modes of action such as quinclorac and unclassified herbicides, such as arylamino propionic acids, difenzoquat, endothal and arsenic organo. Examples of resistant or tolerant weeds include, but are not limited to, biotypes with resistance or tolerance to multiple herbicides, multiple chemical classes and multiple modes of herbicide action.
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[0074] The embodiments described and examples below are for illustrative purposes and are not intended to limit the scope of the claims. Other modifications, used or combinations in relation to the compositions described herein will be evident to a person with common skills in the technique without departing from the scope of the claimed object matter.
Examples
Example 1: Preparation of 7-fluoro-1- (triisopropylsilyl) -1Hindol (1)
[0075] The title compound was prepared according to the literature procedure Das, A., et al. Org. Lett. 2017, 19, 5794 - 5797, which is incorporated herein by reference in its entirety.
Example 2: Preparation of 7-fluoro-6- (4,4,5,5-tetramethyl1,3,2-dioxaborolan-2-yl) -1- (triisopropylsilyl) -1H-indole (2)
[0076] The title compound was prepared as in Preparation 50, Example Precursor 3 in U.S. Patent Application Publication No. 2014/0274695.
Example 3: Preparation of 4-amino-3-chloro-5-fluorine -6- (7
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42/62 fluoro-lJf-indol-6-yl) methyl picolinate (3)
The title compound can be prepared as described in Example 1 in U.S. Patent Application Publication No. 2014/0274695. Alternatively, it can be prepared as follows.
[0078] Methyl 4-amino-3,6-dichloro-5-fluorpicolinate (3) (3 liters (L)), equipped with magnetic stirrer, condenser, internal temperature sensor and nitrogen atmosphere, were added (3) prepared as in Fields et al., Tetrahedron Letters 2010, 51, 79 - 81; 75 grams (g), 314 millimoles (mmol)) and 7-fluoro6- (4.4,5, 5-tetramethyl-1,3, 2-dioxaborolan-2-yl) -1 (triisopropylsilyl) -IH-indole (175 g, 377 mmol). Acetonitrile (CH ₃ CN; 1255 milliliters (mL)) and a 2 molar solution (M) of potassium phosphate (314 mL, 628 mmol) were added sequentially. The mixture was then evacuated and filled with nitrogen (3x) before adding palladium bis (triphenylphosphine) dichloride (11.12 g, 15.69 mmol). The flask was evacuated and filled (3x), and the mixture was heated to 65 ° C. After 3 hours (h), potassium fluoride (74.4 g, 1255 mmol) was added and heating was continued for another 16 h. The reaction mixture was allowed to cool and was filtered through Celite. The phases were separated and the solvent was removed under reduced pressure. The residue was
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43/62 triturated with hexane and the solid was collected by filtration and washed with hexane. The resulting solid was treated with dichloromethane (CH ₂ C ₁₂ ), filtered, rinsed with a small amount of CH ₂ C ₁₂ and dried under vacuum at 50 ° C. The title compound was isolated as a beige solid (73.5 g, 69%).
Example 4: Preparation of 4-amino-3-chloro-5-fluoro-6 (7-fluoro-1-indol-6-yl) picolinic acid (4)
[0079] The title compound can be prepared as in Example 12 in the publication of U.S. Patent Application No. 2014/0274695 or as follows.
[0080] The methyl 4-amino-3-chloro-5-fluor-6- (7-fluor-1H-indol6-yl) picolinate (288 milligrams (mg), 0.853 mmol) was dissolved in tetrahydrofuran (THE ; 2.0 ml), methanol (CH ₃ OH; 2.0 ml) and water (1.0 ml). Hydrated lithium hydroxide (100 mg, 2.383 mmol) was added. The reaction mixture was allowed to stir at room temperature over night. The reaction mixture was concentrated to dryness. The resulting solid was diluted with water and the suspension was acidified (pH ~ 3). The suspension was extracted with ethyl acetate (EtOAc; 3x). The combined organic extracts were washed with saturated aqueous sodium chloride (NaCl), dried over magnesium sulfate (MgSCq), filtered and concentrated. The title compound was isolated as a beige solid (256 mg, 93%).
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Example 5: Preparation of prop-2-in-l-yl 4-amino-3-chloro-5-fluor-6- (7fluor-1J-indol-6-yl) picolinate (5)
NH ₂
IX> ^ ^ch Γί ^N Π ⁰ v— NH
[0081] A mixture of 4-amino-3-chloro-5-fluor-6 (7-fluorine-1H-indol-6-yl) picolinic acid (1.5 g, 4.63 mmol), potassium carbonate ( 0.833 g, 6.02 mmol) and 3-bromopropine (0.54 9 mL, 5.10 mmol) in Ν, Ν-dimethylformamide (DMF; 18.5 mL) was stirred at room temperature for 4 h. The reaction mixture was poured into a saturated aqueous solution of sodium bicarbonate (NaHCOs) and extracted with EtOAc (2x). The combined organic extracts were dried over MgSO ₄ , filtered and concentrated. The residue was purified by an automated flash chromatographic column (silica gel, hexane / EtOAc gradient). To the resulting oil, a minimum of CH2 Cl2 was added to initiate crystallization. Sonication was also used to facilitate crystallization. Hexane was then added for further precipitation of the product. The solid was filtered, washed with hexane (2x) and dried in vacuo. The title compound was isolated as a white solid (1.33 g, 79%): melting point 140 - 142 ° C; NMR (400 MHz, CDC1 ₃ ) δ 8.49 (s, 1H), 7.49 (dd, J = 8.3, 0.7 Hz, 1H), 7.32 - 7.27 (m, 2H) , 6.61 (td, J = 3.3, 2.1 Hz, 1H), 4.97 (d, J = 2.5 Hz, 2H), 4.91 (s, 2H), 2.53 ( t, J = 2.5 Hz, 1H); ¹⁹ F NMR (37 6 MHz, CDCl3) δ -135.47, -135.55, -137.23, -137.32; ESIMS m / z 362 ([M + H] ⁺ ).
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[0082] The following compound was synthesized as in Example 5.
4-amino-3-chloro-5-fluorine-6- (7-fluorine-1H-indole-6yl) cyanomethyl picolinate (6)
[0083] The title compound was isolated as a white solid (730 mg, 65%): melting point 139 - 140 ° C; ² H NMR (300 MHz, DMSO-d ₆ ) 11.83 (s, 1H), 7.52 (d, J = 3.1 Hz, 1H), 7.47 (d, J = 8.2 Hz, 1H), 7.13 - 7.03 (m, 3H), 6.59 (t, J = 3.2 Hz, 1H), 5.29 (s, 2H); ESIMS m / z 363 ([M + H] ⁺ ).
Example 6: Evaluation of post-emergence herbicidal activity in greenhouses
[0084] The seeds of the desired test plant species were planted in the Sun Gro MetroMix® 306 planting mix, which normally has a pH of 6.0 to 6.8 and an organic matter content of about 30%, in plastic pots with a surface area of 103.2 square centimeters (cm ² ). When necessary to ensure good germination and healthy plants, a fungicidal treatment and / or other chemical or physical treatment was applied. The plants were grown for 7 to 36 days (d) in a greenhouse with a light period of approximately 14 hours (h), which was maintained at about 18 ° C during the day and 17 ° C at night. Nutrients and water were added regularly and supplementary lighting was provided with halide lamps
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46/62 1000 watt metal as needed. The plants were used for testing when they reached the second or third true leaf stage.
[0085] An aliquot of formulated Compound 5 (100 grams of acid equivalent per liter (g ae / L); emulsifiable concentrate (EC)), Compound 6 (100 g ae / L; EC) or Compound 7 (100 g ae / L; EC) was placed in a 25 mL glass bottle and diluted in a volume of 1.25% (volume by volume (v / v)) aqueous esterified rapeseed oil Actirob B to obtain a stock solution. The concentrated stock solutions were diluted with an aqueous mixture of 1.25% v / v of esterified aqueous rapeseed oil Actirob B to provide the appropriate application rates. The Compound requirements are based on an application volume of 12 mL at a rate of 187 liters per hectare (L / ha). The formulated compounds were applied to the plant material with a sprayer in suspended mandari trays equipped with 8002E nozzles calibrated to deliver 187 L / ha in an application area of 0.503 square meters (m ² ) at a spray height of 18 inches (43 centimeters) (cm)) above the medium canopy of the plant. The control plants were sprayed in the same way with the white solvent.
[0086] The treated plants and the control plants were placed in a greenhouse as described above and watered by sub-irrigation to avoid washing the test compounds. After 20 - 22 d, the condition of the test plants, compared to the control plants, was determined visually and scored on a scale from 0 to 100%, where 0 corresponds to no injury and 100 corresponds to complete death. The condition
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47/62 of the test plants was compared with that of the control plants, as visually determined and scored on a scale from 0 to 100%, where 0 corresponds to no injury and 100 corresponds to complete death.
[0087] Weed control was assessed visually (as a percentage (%) of visual control) at intervals indicated in the tables. Reported values are average. The means followed by the same letter in the tables do not differ significantly (P = 0.5, Duncan's new multiple-band test). The data are summarized in Table 1.
Example 7: Evaluation of postemergent herbicidal activity in field trials in Canada
[0088] Field trials were established in Canada (in Ellerslie, Alberta; Nisku, Alberta and Hanley, Saskatchewan) to evaluate the effectiveness of Compound 5, Compound 6 and Compound 7. The trials were designed as complete randomized blocks with three to four replicates. The tests were carried out on spring wheat with a population of natural weeds with lot sizes of 2-3 meters (m) by 8 - 10 m (width x length). Crops were grown using normal crop practices for fertilization, sowing and maintenance to ensure good crop growth.
[0089] All herbicide treatments were applied in post-emergency applications to crops in the BBCH growth stage (Phenological development stages of a plant) 14 and 22. The herbicides were applied with backpack or bicycle sprayers using
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48/62 carbon dioxide (C0 ₂₎ as propellant. The sprayers used calibrated flat fan air induction spray nozzles to provide a uniform spray pattern that provided complete foliage coverage using a spray volume of 100 L / ha. All treatments were applied with methylated seed oil (MSO) at 1.25% v / v. Phytotoxicity to weeds was assessed visually at various intervals after application as a general control percentage, compared to an untreated control lot. In general, three to four replicates were evaluated for each treatment. All treatment results are on average three or four replicates.
Herbicidal treatments
[0090] Compound 5, compound 6 and compound 7 were applied as emulsifiable concentrate (EC) formulations at 100 g ae / L EC, respectively.
[0091] The results are provided in Table 2 through Table 4.
Example 8: Evaluation of post-emergence herbicidal activity in field trials in Spain and Germany
[0092] Field trials were established in Spain (Banares and Granon) and Germany (Bielefeld) to assess the effectiveness of Compound 5, Compound 6 and Compound 7. The trials were designed as complete randomized blocks with three to four replicates. The tests were established on winter wheat with a population of natural weeds with lot sizes of 2 - 2.5 meters (m) by 6 - 8 m (width x length). Crops were grown using practices
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49/62 normal crops for fertilization, sowing and maintenance to ensure good crop growth.
[0093] All herbicide treatments were applied in post-emergency applications to crops in growth stage BBCH 21 to 23. The herbicides were applied with backpack or bicycle sprayers using air as a propellant. The sprayers used calibrated flat fan air induction spray nozzles to provide a uniform spray pattern that provided complete foliage coverage using a spray volume of 200 L / ha. All treatments were applied with methylated seed oil (MSO) at 1.25% v / v. Phytotoxicity to weeds was assessed visually at various intervals after application as a general control percentage, compared to an untreated control lot. In general, three to four replicates were evaluated for each treatment. All treatment results are on average three or four replicates.
Herbicidal treatments
[0094] Compound 5, compound 6 and compound 7 were applied as emulsifiable concentrate (EC) formulations at 100 g ae / L of EC, respectively.
[0095] The results are provided in Table 5 through Table 8.
[0096] The following abbreviations are used in Tables 1 to 8:
[0097] Compound 5 = prop-2-in-l-yl 4-amino-3-chloro-5-fluor-6- (7-fluor-1H-indol-6-yl) picolinate
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[0098] Compound 6
4-amino-3-chloro-5-fluor-6- (7fluor-1H-indol-6-yl) cyanomethyl picolinate
[0099] Compound 7
4-amino-3-chloro-5-fluor-6- (7fluor-1H-indol-6-yl) benzyl picolinate
ANTAR = Anthemis arvensis (field chamomile)
CENCY = Centaurea cyanus (corn flower)
CHEAL = Chenopodium album L. (Common Anquinha)
CIRAR = Cirsium arvense (L.) Scop, (vine thistle)
FUMOF = Fumaria officinalis (common smokehouse)
KCHSC = Kochia scoparia (L.) Schrad. (kochia)
MATCH = Matricaria recutita L. (wild chamomile) MATIN = Odorless matricaria (weed without smell)
PAPRH = Papaver rhoeas L. (common poppy)
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Res-PAPRH = Papaver rhoeas L. (common poppy) which is resistant to tribenuron and tifensulfuron (ALS - acetolactate synthase mode of action) and 2,4-D
POLCO = Polygonum convolvulus L. (wild buckwheat)
SINAR = Sinapis arvensis L. (wild mustard)
STEME = Stellaria media (L.) Vill. (common chickweed)
WHEEL = Veronica hederifolia (veronica with ivy with leaves)
VERSS = Veronica spp (veronica) g ae / ha = grams of acid equivalent per hectare
LSD = smallest significant difference
DAAA = days after application A
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Table 1: Percentage (%) of visual control of key weeds by herbicide compounds under greenhouse conditions
Percentage (%) of visual control21 - 28 DAAA Compound Rate (g ae / ha) KCHSC PAPRH Res-PAPRH SINAR VERSS ANTAR 7 (benzyl ester) 10 65 85 92.5 90 72.5 99, 3 5 (propargyl ester) 10 76.7 95 87.5 89 77.5 100 6 (cyanomethyl ester) 10 73.3 100 95 90 86.3 100 7 20 73.3 100 92.5 94 67.5 99, 3 5 20 82.7 100 100 96, 7 80, 8 83.3 6 20 84.3 100 100 96 86.5 98.3
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Compound
Rate (g ae / ha)
1Õ
1Õ
1Õ
Percentage (%) of visual control21 - 28 DAAA CHEAL CIRAR MATCH MATIN POLCO 92.5 30 57 100 97.5 97.5 56, 7 54.2 100 100 100 50 57 98.3 98.3 95 46.7 50.5 100 98.8 100 58.3 68.9 100 100 100 58.3 64 100 100
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Table 2: Percentage (%) of visual control of key weeds by herbicidal compounds under field conditions in Hanley, Saskatchewan, Canada (66 days after application A (66 DAAA))
Visual control percentage (%) 66 DAAA Compound Rate (g ae / ha) KCHSC CHEAL POLCO 7 10 45 95, 5 46.3 6 10 62 95 47.5 7 20 72 98.5 63.3 6 20 81.5 98.3 68, 8 7 40 78, 8 98.8 70 6 40 92.5 99 85, 8
Table 3: Percentage (%) of visual control of key weeds by herbicidal compounds under field conditions in Nisku, Alberta, Canada (28 - 51 days after application A (28 - 51 DAAA))
Control percentage (%)visual STEME CHEAL STEME Compound Rate (g ae / ha) 28 DAAA 51 DAAA 51 DAAA 7 10 76.7 98 76.3 6 10 99 98 87.5 5 10 88 98 88.3
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7 20 76.7 98 80 6 20 96 98 87, 8 5 20 96 96, 8 92.57 40 99 98 85, 8 6 40 99 98 94.5 5 40 99 97.3 93, 8
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Table 4: Percentage (%) of visual control of key weeds by herbicidal compounds under field conditions in Ellerslie, Alberta, Canada (51 days after application A (51 DAAA))
Control percentage (%)visual POLCO CHEAL STEME Compound Rate(g ae / ha) 51 DAAA 51 DAAA 51 DAAA 7 10 79 94.8 73.3 6 10 90.3 96, 8 83.8 5 10 76.3 98 66, 37 20 92.8 98 80, 8 6 20 84.5 98 75, 8 5 20 91 98 83.37 40 96, 8 98 83.3 6 40 87 98 90
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Table 5: Percentage (%) of visual control of key weeds by herbicidal compounds under field conditions in Granon, Spain (34 - 84 days after application A (34 - 84 DAAA))
Percentage (%) of visual control PAPRH VERHE Compound Rate (g ae / ha) 84 DAAA 34 DAAA 7 5 59, 3 51.7 5 5 66.7 60 6 5 68.7 557 10 68.3 58.3 5 10 78.3 77 6 10 81 77.77 20 80.3 79, 3 5 20 90.7 85 6 20 90 86
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Table 6: Percentage (%) of visual control of key weeds by herbicidal compounds under field conditions in Banares, Spain (66 - 83 days after application A (66
DAAA))
Percentage (%) of visual control PAPRH VERHE FUMOF Compound Rate (g ae / ha) 66 DAAA 66 DAAA 83 DAAA 7 5 53.3 50 26.7 5 5 57.7 60 41.7 6 5 60 60 41.77 10 62.7 56 45 5 10 70 77.7 65 6 10 75 81.7 69, 37 20 75 70 58.3 5 20 90 91 93.3 6 20 91 91 96
Petition 870200041916, of 03/31/2020, p. 65/69
59/62
Table 7: Percentage (%) of visual control of key weeds by herbicidal compounds under field conditions in Granon, Spain (48 - 68 days after application A (48-68 DAAA))
Percentage (%) of visual control PAPRH SINAR Compound Rate (g ae / ha) 68 DAAA 48 DAAA 7 5 45 73.3 5 5 58.3 85 6 5 55 82.77 10 60 80.7 5 10 72.7 94.8 6 10 69, 3 957 20 74.3 89, 3 5 20 79, 3 95 6 20 85, 3 95, 2
Petition 870200041916, of 03/31/2020, p. 66/69
60/62
Table 8: Percentage (%) of visual control of key weeds by herbicidal compounds under field conditions in Bielefed, Germany (85 days after application A (85 DAAA))
Percentage (%) of visual control PAPRH CENCY Compound Rate (g ae / ha) 8 5 DAAA 8 5 DAAA 7 5 66, 3 32.5 5 5 92.5 65 6 5 94.5 607 10 78, 8 53, 8 5 10 97.3 87.5 6 10 97.3 92.57 20 80 62.5 5 20 98.8 95 6 20 99, 8 97
[0100] As can be seen from the results mentioned above, the present compounds of Formula (I) have herbicidal activity. As can also be seen from the results mentioned above, Compound 5 and Compound 6 demonstrated superior herbicidal activity over Compound 7. These new chemical herbicides offer a broader spectrum of weed control, greater activity against weeds and provide a way to approach the management of weeds that have developed resistance to herbicides
Petition 870200041916, of 03/31/2020, p. 67/69
61/62 traditionally used to control them.
[0101] Although this disclosure has been described as presenting examples of aspects or embodiments, the present disclosure can still be modified within the scope of this disclosure. Accordingly, this request is intended to cover any variations, uses or adaptations of the disclosure using its general principles. In addition, this application is intended to cover deviations from this disclosure that fall within the known or customary practice in the technique to which that disclosure relates.
[0102] The benefits, advantages, solutions to problems and any elements that may cause or make any benefit, advantage or solution more pronounced should not be interpreted as characteristics, critical elements, required or essential. The scope must therefore be limited by nothing but the appended claims, in which the reference to an element in the singular is not intended to mean one and only one, unless it is explicitly indicated, but one or more. In addition, when a phrase similar to at least one of A, B, or C is used in the claims, the phrase is intended to be interpreted as meaning that A alone may be present in one embodiment, B alone may be present in one embodiment, C alone may be present in one embodiment, or that any combination of elements A, B or C may be present in a single embodiment; for example, A and B, A and C, B and C, or A and B and C.
[0103] Here, in the detailed description, references to the embodiment, an embodiment, an example of
Petition 870200041916, of 03/31/2020, p. 68/69
62/62 embodiment etc., indicate that the described embodiment may include a particular feature, structure or feature, however, each embodiment may not necessarily include the particular feature, structure or feature. Furthermore, such phrases do not necessarily refer to the same embodiment. In addition, when a particular feature, structure or feature is described in connection with an embodiment, it is claimed that it is known to a person skilled in the art, with the benefit of the present disclosure, to affect that feature, structure or feature in connection with other embodiments. embodiments, whether explicitly described or not.

权利要求:
Claims (7)
[1]
1. Compound of Formula (I):
nr ³ r ⁴

[2]
2/7
Ci-Ce, dialkylphosphonyl Ci-Ce, or R ³ and R ⁴ taken together with N being a 5- or 6-membered saturated ring, or R ³ and R ⁴ taken together represent = CR ³ ' ⁽ R ⁴ '), wherein R ³ 'and R ⁴ ' are independently hydrogen, C 1 -C 6 alkyl, C 3 -C 6 alkenyl, C 1 -C alkynyl, C 1 -C alkoxy or C 1 -C-alkylamino, or, R ³ 'and R ⁴ ' taken together com = C represent a 5- or 6-membered saturated ring;
R ⁵ is hydrogen, halogen, C1-C4 alkyl, C1-C4 haloalkyl, cyclopropyl, halocyclopropyl, C2-C4 alkenyl, C2-C4 haloalkenyl, C2-C4 alkynyl, C1-C3 alkoxy, C1-C3 haloalkyl, C1-C3 alkylthio , C1-C3 haloalkylthio, amino, C1-C4 alkylamino, C2-C4 haloalkylamino, OH, or CN;
R ⁶ and R ⁶ 'are independently hydrogen, halogen, C1-C4 alkyl, C1-C4 haloalkyl, cyclopropyl, halocyclopropyl, C2-C4 alkenyl, C2-C4 haloalkenyl, C2-C4 alkynyl, CiC3 alkoxy, C1-C3 haloalkoxy, alkylthio C1 -C3 alkyl, C1 -C3 haloalkylthio, amino, C1-C4 haloalkylamino or C2-C4, OH, CN or N0 _2;
R ⁷ and R ⁷ 'are independently hydrogen, halogen, C1-C4 alkyl, C1-C4 haloalkyl, cyclopropyl, halocyclopropyl, C2-C4 alkenyl, C2-C4 haloalkenyl, C2-C4 alkynyl, CiC3 alkoxy, C1-C3 haloalkoxy, alkylthio C1-C3, C1-C3 haloalkylthio, amino, C1-C4 alkylamino, C2-C4 haloalkylamino, or phenyl;
R ⁸ be hydrogen, C 1 -C alkyl, C 1 -C haloalkyl, C 3 -C 6 alkenyl, C 3-C 6 alkenyl, C 3-C 6 alkynyl, formyl, C 1 -Ccarbonyl, C 1 -C cycloalkylcarbonyl, C 1 -alkylcarbonyl, C 1 -alkoxycarbonyl Ce, haloalkoxycarbonyl Ci-Ce, arylcarbonyl, heteroarylcarbonyl, alkylcarbamyl Ci-Ce, alkylthio Ci-Ce, alkylsulfonyl Ci-Ce,
Petition 870190115159, of 11/08/2019, p. 80/86
[3]
3 / Ci Ci-Ce haloalkylsulfonyl, arylsulfonyl, Ci-Ce trialkylsilyl, amino, C1-C4 alkylamino, cyano, or phenyl;
or an N-oxide or an agriculturally acceptable salt thereof.
2. Compound, according to claim 1, characterized by the fact that:
X is N, CH, CF, CC1, or CBr;
R ¹ is C3-C12 alkynyl or CN-substituted C1-C3 alkyl;
R ² is chlorine;
R ³ and R ⁴ are hydrogen;
R ⁵ is hydrogen, halogen, OH, amino, CN, C1 -C3 alkyl, C1-C3 alkoxy, C1-C3 alkylamino, or cyclopropyl;
R ⁶ and R ⁶ 'are independently hydrogen, halogen, OH, NH ₂ , CN, C1-C3 alkyl, C1-C3 alkoxy, cyclopropyl, or vinyl;
R ⁷ and R ⁷ 'are independently hydrogen, halogen, C1-C3 alkyl, C1-C3 alkoxy, C1-C3 alkylthio, cyclopropyl, C1-C3 alkylamino, or phenyl; and
R ⁸ is hydrogen, C1-C3 alkyl, phenyl, or C1-C3 alkylcarbonyl;
or an N-oxide or an agriculturally acceptable salt thereof.
3. Compound, according to claim 1, characterized by the fact that:
X is CH, CF, or N;
R ¹ is C3-C12 alkynyl or CN-substituted C1-C3 alkyl;
R ² be halogen, C1-C4 alkyl, C1-C4 haloalkyl,
Petition 870190115159, of 11/08/2019, p. 81/86
Α / Ί C2-C4 alkenyl, C2-C4 haloalkenyl, C2-C4 alkynyl, CC4 alkoxy, C1-C4 haloalkoxy, C1-C4 alkylthio, or C1-C4 haloalkylthio;
R ³ and R ⁴ are hydrogen, C 1 -C alkyl, C 1 -C haloalkyl, C 3-C 6 alkenyl, C 3-C 6 halo alkenyl, C 3-C 3 alkyl formyl, C 1-C 3 alkyl carbonyl, C 1-C ³ haloalkyl carbon, or R ³ and R ³ and R ⁴ taken together represent = CR ³ '(R ⁴ '), where R ³ 'and R ⁴ ' are independently hydrogen, C ₁ -C alkyl, C ₃ -C alkenyl, C ₃ -C alkynyl, C ₁ -C alkoxy or alkylamino Ci-Ce;
R ⁵ is hydrogen, halogen, C1-C4 alkyl, C1-C4 haloalkyl, C2-C4 alkenyl, C2-C4 haloalkyl, C2-C4 alkynyl, C1-C3 alkoxy, C1-C3 haloalkoxy, C1-C3 alkylthio, C1- haloalkylthio C3, amino, C1-C4 alkylamino, or C2-C4 haloalkylamino;
R ⁶ and R ⁶ 'are independently hydrogen, halogen, C1-C4 alkyl, C1-C4 haloalkyl, cyclopropyl, halocyclopropyl, C2-C4 alkenyl, C2-C4 haloalkenyl, C2-C4 alkynyl, CiC ₃ alkoxy, C1-C3 haloalkoxy, CN, or NO2;
R ⁷ and R ⁷ 'are independently hydrogen, halogen, C1-C4 haloalkyl , C1-C4 alkyl, C1-C3 alkoxy, haloalkoxy CiC _3, C1 -C3 alkyl, cyclopropyl, amino or C1-C4 alkyl;
R ⁸ is hydrogen, C ₁ -C alkyl, C ₁ -C haloalkyl, C ₃ -C alkenyl, C ₃ -C ₂ haloalkenyl, C ₃ -C ₂ alkynyl, formyl, C 1 -C carbon alkyl, C ₁ -C cycloalkyl carbon, C 1 -C haloalkyl carbon, Ci-Ce alkoxycarbonyl, Ci-Ce haloalkoxycarbonyl, arylcarbonyl, heteroarylcarbonyl, Ci-Ce alkylcarbamyl, Ci-Ce alkylthio, Ci-Ce alkylsulfonyl, Ci-Ce haloalkylsulfonyl, Ci-Ce alkylsulfonyl, trialkylsilyl Ci-Ce, amino, C4 alkylamino C1 or phenyl.
[4]
4. Compound according to claim 3, characterized in that R ² is halogen, C2-C4 alkenyl,
Petition 870190115159, of 11/08/2019, p. 82/86
[5]
5/7 C2-C4 haloalkenyl, or C1-C4 alkoxy.
5. Compound, in wake up with claim 4, characterized bypropenyl. fact from R ²be Cl, methoxy, vinyl, or 1- 6. Compound, in wake up with claim 3, characterized by fact from R ³and R ⁴ are hydrogen. 7. Compound, in wake up with claim 3, characterized by fact from R ⁵be hydrogen or F. 8. Compound, in wake up with claim 7, characterized by fact from R ⁵be F. 9. Compound, in wake up with claim 3, characterized by fact from R ⁶be hydrogen or F.
10. Compound according to claim 3, characterized in that R ⁶ and R ⁶ 'are hydrogen.
11. Compound according to claim 3, characterized by the fact that R ⁶ 'is hydrogen.
12. Compound according to claim 3, characterized by the fact that:
R ² is halogen, C2-C4 alkenyl, C2-C4 haloalkenyl, or C1-C4 alkoxy;
R ⁵ is hydrogen or F;
R ⁶ is hydrogen or F;
R ⁶ 'be hydrogen; and
R ⁷ and R ⁷ 'are independently hydrogen or halogen.
13. Compound according to claim 12, characterized in that R ² is chlorine, methoxy, vinyl, or 1-propenyl.
A compound according to claim 12,
Petition 870190115159, of 11/08/2019, p. 83/86
[6]
6/1 characterized by the fact that R ³ and R ⁴ are hydrogen.
15.
Compound according to claim
13, characterized by the fact that R ³ and R ⁴ are hydrogen.
16.
Compound according to claim
12, characterized by the fact that X is CF.
17. Compound according to claim 13, characterized in that X is CF.
18. Compound, according to claim 14, characterized by the fact that X is CF.
19. Compound according to claim 15, characterized by the fact that X is CF.
20. Compound, according to claim 3, characterized by the fact that:
R ² is chlorine, methoxy, vinyl, or 1-propenyl; and
R ³ and R ⁴ are hydrogen.
21. Compound according to claim 3, characterized by the fact that:
R ² is chlorine, methoxy, vinyl, or 1-propenyl;
R ³ and R ⁴ are hydrogen; and
X be CF.
22. Compound according to claim 21, characterized in that the compound is prop-2-in-1-yl 4 amino-3- chloro-5- fluoro-6- (7-fluoro-1H-indole-6- il) picolinate.
23. Compound according to claim 21, characterized in that the compound is cyanomethyl 4-amino3-chloro-5-fluorine-6- (7-fluorine-1H-indol-6-yl) picolinate.
24. Herbicidal composition characterized by the fact that it comprises the compound as defined in claim 1 and an agriculturally acceptable adjuvant or carrier.
Petition 870190115159, of 11/08/2019, p. 84/86
[7]
7/7
25. Composition according to claim 24, characterized in that it still comprises at least one additional herbicidal compound.
26. Composition, according to claim 24, characterized by the fact that it still comprises a protector.
27. Method for the control of undesirable vegetation characterized by the fact that it comprises:
providing the compound as defined in claim 1; and apply the compost to undesirable vegetation or to its location.
28. Method for the control of undesirable vegetation characterized by the fact that it comprises:
providing the composition as defined in claim 25; and apply the composition to an undesirable vegetation or to its location.

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法律状态:
2021-10-19| B350| Update of information on the portal [chapter 15.35 patent gazette]|

优先权:

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