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    • 专利摘要:
    Perhaloalkylvinylcyclopropanecarboxylates having the general formula are disclosed wherein one of Y and Z is a perhaloalkyl group having 1 to 4 carbon atoms and the other is hydrogen, halogen, lower alkyl, phenyl, phenyhhio or benzyl, with the proviso that Y and Z may be combined to form a perhalocy- dopentylidene group; R is halogen, hydroxy, lower alkoxy or -OR' in which R' represents an alcohol residue which forms an insecticidal ester when combined with chrysanthemic acid or a 3 - ( 2 , 2 - d i h a l o v i n y l ) - 2 , 2 - dimethylcyclopropanecarboxylic acid; R7 is hydrogen, lower alkylcarbonyl, lower alkoxycarbonyl or cyano with the proviso that when R is -OR1, R7 is hydrogen. The insecticidal efficacy and preparation of the compounds and intermediates therefor are described and exemplified.
    公开号:SU1344244A3
    申请号:SU803220194
    申请日:1980-12-22
    公开日:1987-10-07
    发明作者:Фрэнсиз Энджел Джон
    申请人:Фмк Корпорейшн (Фирма)；
    IPC主号:
    专利说明:

    This invention relates to a process for the preparation of new perhaloalkyl vinyl cyclopropanecarboxylates of the general formula
    1 X,
    de
    one
    c, sooh
    Cj - perhaloalkyl j X - hydrogen, halogen,
    thyl or phenyl; X - group.
    mesn
    I
    x
    Y
    5 hb
    Xv
    Y
    X. X, oxygen or vinylene ;. hydrogen, CN or trihalomethyl;
    chlorine, methyl, benzyl, phenyl, phenoxy, unsubstituted I.PI, substituted halogen X, hydrogen, halogen or lower alkyl, moreover, X and hydrogen, if X is an unsubstituted phenoxy, or, if X is trifluoromethyl ,, Xj - chlorine X: j - group
    where Xg is hydrogen bromine phenyl labels, si or nitro,
    possessing insecticidal activity
    The aim of the invention is to create new cyclopropancarboxylic acid derivatives having improved insecticidal activity with enhanced photostability.
    Example 1: Preparation of ethyl 3,3-dimethyl-4,6j 6-trichloro 7,7j 7-trifluoro heptanoate.
    A solution of 44.6 g (0.267 mol) of ethyl- -3,3-dimethyl-4-pentenoate 100 g (0.533 mol) of 1,1,1-trichlorotrifluoroethane, 0.27 g (0.0027 mol) of copper chloride and 8.2 g (0.134 mol) of ethanolamine in 270 ml of tert-butyl alcohol with stirring under nitrogen atmosphere is heated under reflux for 16 hours. Then: the reaction mixture is cooled to room temperature and extracted with three portions
    100 ml each diethyl ether. Osa0
    15
    0
    25
    thirty
    35
    40
    45
    50 gg
    The dock formed in the extracts is recovered by vacuum filtration. The filtrate is washed twice with portions of diethyl ether — 25 ml each. The ether extracts are then combined with washes and the whole is concentrated under reduced pressure to an oily residue. The remaining volatile components are removed from the residue by further reducing the pressure with a vacuum pump. The residue is distilled under reduced pressure.
    78.3 g of ethyl-3,3-dimethyl-4,6,6-trichloro-75, 7.7-tri fluoroheptanoate are obtained, b.p. 85-87 ° C at 0.12-0, -I 5 mmHg.
    The NMR spectrum corresponds to the proposed structure.
    The additional intermediates obtained by the method described in Example 1 are presented in Table. one.
    PRI mme R 2. Preparation of methyl cis J trans-3- (2-chloro-3,3,3-trifluoro-propenyl) -2,2-dimethylcyclopropanecarboxylate.
    j
    Get the proposed substances in a two-step process via an intermediate.
    A. Preparation of methyl cis, trans-3- (2,2-dichloro-3, 3,3-trifluoropropyl) -2, 2-dimethylcyclopropanecarboxylate as an intermediate.
    A stirred solution of 37.0 g (0.112 mol) of methyl 3,3-dimethyl-4,6,6-trichloro-7,7,7-trifluoroheptanoate, 50 ml of tert-butyl alcohol, 50 ml of dimethylformamide and 50 ml of hexane in an argon atmosphere is cooled to -5 ° C. To the stirred solution, 16.4 g (0.14 mol) of potassium t-butylate in 200 ml of t-butyl alcohol are added dropwise at such a rate that the temperature of the reaction mixture is kept in the range (-3) - (- 5) ° С. After the addition is complete, the reaction mixture is stirred for 4 hours at (-3) - (-5) ° C, then 8.0 g of ammonium chloride in 250 ml of water is poured into a solution. The resulting mixture is extracted with two portions of diethyl ether in 200 ml each. The combined ether extracts are washed with two 200 ml portions of water each. The ether layer is dried with sodium sulfate and filtered. The filtrate is evaporated under reduced pressure to give i residue.
    oils. The resulting oil is distilled under reduced pressure.
    19.8 g of methyl cis, trans-3- (2,2-dichloro-3, 3, 3-trifluoropropyl) -2,2-dimethylcyclopropanecarboxylate are obtained as a result, b.p. 55-57 C at 0.09 mm Hg.
    IR and NMR spectra correspond to the proposed structure.
    Calculated,%: C 40.98; H 4.47. C ,, H ,, C1, Rz02
    Found,%: C 41.50; H 4.41. B. Preparation of methyl cis, trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2,2-dimethylcyclopropanecarboxylate,
    A stirred solution of 30.6 g (0.105 mol) of methyl-cis, trans-3- (2, 2-dichloro-3, 3,3-trifluoropropyl) -2,2-.-Dimethylcyclopropanecarboxylate and 17.6 g (0.116 mol) 1,5-diaza-bic-cyclo (5,4,0) -undec-5-ena in 100 ml of dimetformamide is heated at 100 ° C for 4 hours. The reaction mixture is cooled and poured into a solution of 37.2 ml of concentrated salt hydrochloric acid in 300 ml of water. The resulting mixture was extracted with three portions of diethyl 1 ether in 200 ml each. The combined ethereal extracts are washed with an aqueous solution of sodium chloride. The ether layer is dried with sodium sulfate and filtered. The filtrate is evaporated under reduced pressure to give an oily residue. The oil is dissolved in hexane, treated with decolorizing charcoal and filtered. The filtrate is evaporated under reduced pressure to an oily residue. The oil is distilled under reduced pressure.
    The result is three fractions of 10.0 g of methyl cis, trans-3- (2-chloro-3,3,3-trifluoropropenyl) -2,2-dimethylcyclopropanecarboxylate, b.p. 40-60 ° C at 0.05 mm Hg
    IR and NMR spectra correspond to the proposed structure. According to the NMR spectrum, the product obtained is a mixture of 88:12 cis: trans isomers.
    Calculated,%: C 46.80; H 4.71.
    C ,, H, jClF302
    Found,%: From 46.91; H 4.79.
    Froze Preparation of ethyl-β-cis, trans-3- (2-chloro-3, 3,3-trifluoro-napenil) -2,2-dimethylcyclopropanecarboxylate.
    ten
    15
    20
    25
    344244 4
    To a stirred solution of 78.3 g (0.228 mol) of ethyl 3,3-dimethyl-4,6,6-trichloro-7,7,7-trifluoroheptanate in 200 ml of distilled ethanol is added dropwise at room temperature 500 ml ethanolic sodium ethylate solution prepared from 11.5 g of metallic sodium (0.50 mol). After the addition is complete, the reaction mixture is stirred for 1 hour at room temperature, and then allowed to stand for 18 hours. The turbid reaction mixture is filtered and the resulting filtrate is evaporated under reduced pressure to give a residue. The residue is thoroughly stirred in 200 ml of water. The resulting mixture is extracted three times with 50 ml of diethyl ether each. The combined extracts are dried with sodium sulfate and filtered. The filtrate is evaporated under reduced pressure.
    As a result, 58.5 g of ethyl-cis trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2, 2-dimerscyclopropanecarboxylate are obtained as a residue in the form of an oil.
    The IR and NMR spectra correspond to the proposed structure and indicate that the product is approximately equal mixture of cis and trans isomers.
    Additional intermediates: the compounds obtained in Example 2A are presented in Table. 2, additional esters obtained in example 2 or 3, in table. 3 (compounds 3.1 - 3.7 are prepared according to example 2, compound 3.8 is prepared according to example 3).
    Example 4: Preparation of trans-and cis, trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2, 2-dimethylcyclopropanecarboxylic acid;
    A solution of 16.2 g (0.06 mol) of ethyl cis, trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2,2-dimethylcyclopropan-f carbosylate in 94 ml (0.078 mol) A solution containing 3.34 g of sodium hydroxide, 94 ml of ethanol and 6 ml of water is heated under reflux for 18 hours while stirring. The reaction mixture is concentrated under reduced pressure, 25 ml of water are added and the mixture is acidified to pH 1, using 6 N. hydrochloric acid. The acidified mixture is extracted in two portions.
    thirty
    35
    40
    51
    diethyl ether in 50 ml each “The combined extracts are dried with magnesium sulfate and filtered. The filtrate was evaporated under reduced pressure to give a residue. The residue is heated with 50 ml of hexane. Hot hexane is decanted from a gummy residue and dried to a solid, which is collected by filtration; then dried. As a result, g of solid product is obtained. 97-103 S.
    As a result of the concentration of the mother liquor, a second solid fraction is obtained, weighing about 100 ml.
    According to the NMR spectra of the two fractions, both of the solid products are trans-3- (2-chloro-3,3,3 trifluoropropenyl) -2,2-dimethylcyclopropanecarboxylic acid.
    The mother liquor is evaporated to a residue. The residue is placed in 50 ml of reKcaHaj, the resulting solution is cooled in a refrigerator for 18 hours. The solid precipitate is collected by filtration and dried. As a result, g of solid product is obtained, mp 64-74 C.
    The NMR spectrum shows that the solid product -SOTES from a mixture of 50/50 bottom and trans isomers of 3- (2-chloro-3,3 3-trifluorophenyl) -2 2-dimethylcyclopro-pancarboxylic acid.
    Extra free sour




    You, obtained according to Example 4 ,, are all- (Table 3, compounds 4-. 1-4.7).
    Example 5: Preparation of trans-3- (2-chloro-3 5 3,3-trifluoropropenyl) -2, 2-dimethyl-cyclopropanecarboxylic chloride
    To a stirred solution of 4.1 g (0.173 mol) of trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2, 2-dimethylcyclopropanecarboxylic acid in 40 ml of toluene at ambient temperature is added 1 , 7 g (0.22 mol) of pyridine, then 2.6 g (0.022 mol) of thionyl chloride in 25 ml of toluene. After the addition is complete, the reaction mixture is stirred at room temperature for 17 hours. It is then filtered through diatomaceous earth, and the resulting filtrate is evaporated under reduced pressure.
    3.8 g of trans- 3- (2 chloro-3 J 3,3-trifluoropropenyl) - - 2 5 2-di-1-methylcyclopropanecarbonyl chloride are obtained.
    The IR spectrum corresponds to the proposed structure.
    Additional acid chlorides obtained by the method described in example 55 are given in table. 3 (examples 5.1-5.8),
    Example 6. Preparation of 3-phenoxybenzyl-trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2., 2-dimethylcyclopropane carboxylate.
    To a stirred solution of 1.8 g (OjOO mol) trans-3- (2-chloro-3,3,3-trifluoropropenyl) -2,2-dimethylcyclopropanecarbonyl chloride in 10 ml of methylene chloride at room temperature is added a solution of 1.6 g (0.008 mol) of 3-phenoxybenzyl alcohol and 0.73 g (0.009 mol) of pyridine in 5 ml of methylene chloride. After the addition is complete, the reaction mixture is stirred at ambient temperature for 3 hours, then poured into 50 ml of water. The organic layer is separated, the aqueous layer is extracted three times with 50 ml portions of methylene chloride. The combined extracts were dried with sodium sulfate, filtered, and the filtrate was evaporated under reduced pressure to an oily residue. The volatile components are removed from the oil at 125 ° C (0.05 mm Hg) using a Kugelrohr distillation unit. According to gas chromatography residue
    Consists of 99% of 3-phenoxybenzyltrans-3- (2-chloro-3,3,3-trifluoroprophenyl) -2,2-dimethylcyclopropanecarboxylate. The weight of the obtained product is 2.0 g. IR and NMR spectra correspond to
    proposed structure.
    Calculated,%: C 62.05; H 4.73.
    С, Н, 1С1РзОз
    Found,%: C 62.29; H 4.80.
    EXAMPLE 7 Preparation of with -cnano-3-phenoxybenzyl-trans-3- (2-chloro-3.3,3-trifluoropropenyl) -2,2-dimethylcyclopropanecarboxylate.
    The compound was prepared according to Example 6, using 1.8 g (0.007 mol) of trans-3 (2-chloro-Z53,3-trifluoropropenyl) -2,2-dimethylcyclopropanecarbonyl chloride, g (0.008 mol) of cyano-Z-pheno- of sibenzyl alcohol and 0.73 g (0.009 mol) of pyridine in 15 ml of methylene chloride. According to the data of gas chromatography, the residue after distillation consists 98.9% of oi-cyano-3-phenoxybenzyl-trans-3- (2-chloro-3, 3,3-tri-torophenyl) -2,2-dimethylcyclopropanecarboxylate. The weight of the obtained product is 2.4 g
    IR and NMR spectra correspond to the proposed structure.
    Calculated,%: C, 61.27; H 4.25.
    С „Н ,, СП з N03
    Found,%: C 61.57; H 4.38.
    Example Preparation of 3-phenoxibenzyl-cis, trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2,2-dimethylcyclopropanecarboxylate.
    The compound was prepared according to Example 6, using 1.8 g (0.006 mol) cis, trans-3- (2-chloro-3, 3,3-trifluoropropenyl) -2,2-dimethylcyclopropanecarbonyl chloride from example 4.1, 4 g (0.007 mol) of 3-phenoxybenzyl alcohol and 0.66 g (0.008 mol) of pyridine in 15 ml of chlorineCalculated,%: C, 62.01; H 4.49.
    Cj.H.plFjO,
    Found,%: C 62.11; H 4.58. , Example 9. Preparation of α-cyano-3-phenoxybenzyl-cis, trans-3- (2-chloro-3,3,3-trifluorophenyl) -2,2-dimethylcyclopropanecarboxylate.
    The compound was prepared as in Example 6, 10 using 1.8 g (0.006 mol) cis, trans-3- (2-chloro-3, 3,3-trifluorophenyl) -2,2-dimesh1 Cyclopropanecarbonyl chloride from Example 4, 1, 6 g (0,007 mol) oi -1shchano-3-phenoxybenzyl alcohol 15 and 0.6 g (0,008 mol) pyridine in 15 ml of methylene chloride. The residue after distillation according to gas chromatography is 99% composed of cyano-3-phenoxybenzyl-cis, trans-3th methylene. The residue after distillation-20 (2-chloro-3,3,3-trifluoropropenyl) -2,2ki according to gas chromatography
    consists of 99% of 3-phenoxybenzyl-cis, trans-3- (2-chloro-3, 3,3-trifluorophenyl) -2,2-dimethylcyclopropanecarboxylate. Product weight
    1.0 g
    25
    -dimethylcyclopropanecarboxylate The weight of the resulting product Oj9,
    The IR and NMR spectra correspond to the pre-prepared structure.
    Calculated,%: C, 61.46; H 4.26.
     CjjH gClFjNOs Found;%: C 61.47; H 4.48. Proposed compounds are listed in Table. four.
    IR and NMR spectra correspond to the proposed structure.
    TrifluoromethylBrom
    - - fluorine
    - - Hydrogen
    Difluorochlorme-Chlorine
    teal
    - - fluorine
    Fluorochloromethyl-Tetrafluorochloro-chloro ethyl
    1.8
    Pentafluoroethyl - Calculated,%: C 62.01; H 4.49.
    Cj.H.plFjO,
    Found,%: C 62.11; H 4.58. EXAMPLE 9 Preparation of α-cyano-3-phenoxybenzyl-cis, trans-3- (2-chloro-3,3,3-trifluorophenyl) -2,2-dimethylcyclopropanecarboxylate.
    The compound was prepared as in example 6 using 1.8 g (0.006 mol) cis, trans-3- (2-chloro-3, 3,3-trifluorophenyl) -2,2-dimesh1 Cyclopropanecarbonyl chloride from example 4, 1.6 g (0,007 mol) oi -1shchano-3-phenoxybenzyl alcohol and 0.6 g (0,008 mol) of pyridine in 15 ml of methylene chloride. The residue after distillation according to gas chromatography is 99% composed of cyano-3-phenoxybenzyl-cis, trans-35
    -dimethylcyclopropanecarboxylate The weight of the resulting product Oj9,
    The IR and NMR spectra correspond to the pre-prepared structure.
    Calculated,%: C, 61.46; H 4.26.
     CjjH gClFjNOs Found;%: C 61.47; H 4.48. Proposed compounds are listed in Table. four.
    Table 1
    Brom63 / 0.08
    Chlorine71 / 0.09
    - -112-115 / 7
    - -95-106 / 0.01-0.125
     - -58-60 / 0,005
    - 103 / 0.2-0.3 97-102 / 0.05
    X
    X

    V
    table 2
    Soohd
    6.41 Difluorotrichloroethyl (s. Trifluoromethyl
    Hydrogen
    J5134424416
    Continuation of table 4
    ZltlElZIlini ZIljZI
    - - Chlorine 2,4,6-Tri-Cis / trans
    methylbenzyl
    - - - 2,6-di-trans
    chlorobenzyl
    - - -p-chlor-cis /) gran
    phenoxy-benzyl
    - - - p-Methyl- - phenoxy- benzyl
    - - - oC- (trifluoro- - methyl) phenoxybenzyl
    - -. - - m- (3.4 Dichlorfenox) Benzyl
    - - m- (a-tert-Vutylphenoxy) benyl
    - - - 3,4-Methyldendioxy-6-chlorobenzyl
    b .51 - -. 2,4-Dime-methylbenzyl
    6.52- - - 2-Methyl-3- - Allylcyclo-pec- tive. -2-OH-4- -yl-1
    6.53- -Chloro-SNg- N jQ - 98-100
    0
    Compounds with X, -trifluoromethyl; Xj is chlorine;
    X, - 5-bromos
    g hydrogen
    Ho-5-methoxy
    Xi-5-phenyl
     j
    0
    Take chunk
    The structure of all the compounds obtained was confirmed by the electron analysis and JiMP spectra.
    Examples 10-12 illustrate the insecticidal activity of the compounds obtained.
    Example 10. Initial contact activity.
    The test compound is dissolved in a small amount of acetone. The acetone solution is dispersed in water containing one drop of isooctylphenyl-polyethoxyethanol until a solution containing 1250 hours per ppm by weight or 512 ppm of active ingredient is obtained. An aliquot of this solution was diluted with a sub-quantity of water until a solution containing various concentrations of the active ingredient was obtained.
    Test organisms and techniques are as follows: activity against Mexican Aorovka divine (Epilachna variastis, Muls,) and southern marching worms (Spodoptera eridania) is assessed by immersion of leguminous plants in the test solution or spray, and the test solution infected with leaves after drying them with underdeveloped individuals. insects.
    Activity against pea aphids (Acyrthosiphon pisum) is evaluated on bean plants whose leaves
    39 39 39 (10)
    54
    6
    30 5
    100 100 (100) 100
    100 100 (100)
    100
    15 are immersed or sprayed before infecting them with adults. Activity against a two-web spider pincer (Tetranychus urtical) is evaluated on leguminous plants whose roots are dipped or sprayed with a test solution after infection by adults with mites. Activity against the ground bug (Oncopeltus faciatus) and plum
    25 weevils (Contrachelus nonuphar) are estimated by spraying with test pa-, cTBOpaiMH of adult insects found in glass, plates or vessels.
    30 After the application of the test compounds and the infection, the tests are carried out in a ryty room at 2 ° C, 7 ° C and 50% relative humidity for i 48 hours. At the end of this time interval, J5 does not count the number of dead and living insects 1li ticks and calculate the percentage of dead individuals. The results of these tests, as well as data for 156, .39 and 10 ppm for
    40. Known insecticidal permethrin. 3-phenoxy-benzyl - (-) cis, trans-3- (2. 2-dichlorovinyl) -2., 2 -dnmethylcyclopropane-1-carboxylate are given in Table. five.
    g
    Table 5

    87 6 7
    36
    too
    100 90


    78
    64
    20
    39
    39
    39 (2.5)
    78
    64,
    78
    20 (39)
    64
    64 (512)
    78 (5)
    64
    64
    78
    20
    20
    78 (312)
    78
    64
    64
    64 (512)
    78 (20)
    78
    78 (3t2)
    78
    78
    78 (312)
    78
    20 (312)
    20 (312)
    78
    40
    40 90 90 75
    100
    50 10
    41
    45 70 100 10 25
    ten
    100
    thirty
    95 25 10 55 5 10 22.
    1UO 100 100
    too
    100 (100).
    ico
    100
    too
    100
    100
    95
    (100) 100 100 100 100 100 100 100
    too too
    100
    too
    .100 100
    100 100 100 100 100 95 100

    )




    .
    100 100 100 100 100 (95)
    too
    100
    too
    100 100 71 100 ICO 100
    too
    100 100 100
    too
    0
    100
    too
    0 (55) 100
    100
    too
    100
    90
    90
    92 100 100
    54
    0
    85 41 15 36 17 53 92 (50)
    0
    (0) 100
    0
    0
    too
    29,100
    29
    96.5 0
    48 (0)
    0 42 18
    94
    80
    58
    92
    (31)
    nineteen
    50
    15
    45
    100
    one
    ten
    55
    five
    10 20 (40) 5
    0 10 (25)
    25 0
    (0) 0
    15
    78 78 39 39 64 6A 64 64
    512
    512
    512
    64
    64
    - 156
    t- 39
    ten
    10 3
    about
    ten
    71
    30 10
    100 100 100 100 65
    45
    45,100,100
    85 100 100
    80
    100 75
    ABOUT
    Note
    MWB - Oncopeltus faciatus; MVB - Spilachna vavivestis;
    SAW - Spodoptera eridania; PA - Acyrthosiphon pisura;
    SM - Tetranychua urticae; FC - Conatrachelus nenuphar,.
    The proposed compounds exhibit a high initial activity compared with the activity of the comparative compound.
    Example 11: The proposed compounds are tested for insecticidal activity by applying a toxic solution containing 5 mg / l of a toxic substance in acetone to insect appropriate amounts. The test is tested 24 hours after the application of the toxic solution; individuals.
    The lime insecticide, permethrin, 3-phenoxy-benzyl - (+) - cis, trans-3- (2, 2-dichlorovinyl) -2,2-dimethylcyclopropanecarboxylate, is used as a standard for comparison. Carry

    100
    100
    90.
    ABOUT
    65
    ABOUT
    ABOUT
    ABOUT
    43
    100
    100
    50
    20
    94
    93 54
    ten
    About About About About About
     about
    ABOUT
    ABOUT
    65
    ABOUT
    36
    15 5 О О
    100
    33 15
    five
    0
    five
    The total efficiency, calculated on the value of 1.0 for permethrin, is determined by comparing the percentage of dead individuals under the effect of the test compound as compared to the standard. Thus use of the southern armyworm (Spodoptera eridania), cabbage moth (Trichoplusiani), beet armyworm (Spodoptera enigna), bollworm (Heliatiz Lea), Mexican ladybird (Epilachna varivestis Muls), and the bug-landsmen (Oncopeltus faciatus). The results are shown in Table. 6. From tab. 6, it follows that the proposed compounds have a high overall toxicity against the tested organisms.
    Table 6
    Note. SAW - Spodoptera eridania; CL - Trichoplusia ni;
    BAW - Spodoptera exigua; CEW - Heliothis zea; MVB - Epilaclina varivestis; ШВ - Oncopeltus faciatus.
    Example 12. Compare deistinos for these compounds. The predictive activity of some of the predicted values determine the relative compounds against aphid relative to permethrin according to the following force comparison with the predicted value of the mule:
    Lepidopterna ak-activity permeability metric vs rinatli
     X ---- Lepidopterus ak-Predicted activity of the test-activity of the test compound
    against aphids
    Predicted and valid 15 activity against aphids are given in Table 7.
    Table 7
    Note. SAW - Butterflies. Prodeni; CL - Trichoplusia ni;
    BAW - Spodoptera exigua.
    The table below. 7 shows the activity against aphids and that the observed effect of applying this kem formula is in fact the activity
    the two known compounds A and B for these two compounds are
    predicting the expected interval is very close to this predicted
    range of values. Compound D is E-phenoxybenzyl-cis, trans-3- - (2 J 2-dichlorovinyl) 2 ,, 2-dimethylcyclopropane-1-carboxylate (about 95% of the cis isomer) 5, the compound B-ci-cyano - -3-phenoxy-benzyl-3- (25 2 dichlorovinyl) -2.2 dimethylcyclopropane-1-carboxylate containing about 4% of the cis isomer.
    Detected that valid
    value of LC
    90.
    for most dough
    connections are several times smaller than the predicted value. Thus, for example, for compound 6.1, the formula predicts against aphids in the range of 27–32 ppm. Indeed, the observed value is 3 ppm. Thus, the compound is 10 times more active. Similarly, compound 6.2 is 10–20 times more active than predicted, compound 6.3 is 2–3 times more active than expected, compound 6.8 is 45–65 times more active than predicted, etc. Although some compounds j, such as compounds 6.21 and 6.22, are no more active than predicted, they show a significant improvement over perimethrin, thus demonstrating an unexpected activity against the aphids of the proposed compound.
    The stability of some proposed compounds with respect to photodegradation under the action of light in air is determined as follows.
    EXAMPLE 13 Emulsifiable Concentrate of d-cyano-3 phenoxybenzyl cis, trans-3- (2-chloro-3,3,3-triptypopropopenshl) -2, 2-dimethylcyclopropanecarboxyllate Compound 6.9) is diluted with toluene to obtain 220 mg of the active ingredient per liter. An aliquot of 100 µl is placed in each of the six Petri dishes with a diameter of 5.0 CMj, while the solvent evaporates, resulting in a precipitate of 1.1 µg / cm. Three of these cups are stored in the dark, and three exhibit a mountain sun at a distance of about 26 cm under a 275-watt lamp.
    but - analogue permet ina. Thus, the proposed yen exceed the previously known insecticidal active features against aphids. When they have increased photos 45 nosti.
    权利要求:
    Claims (1)
    [1]
    Invention Formula
    The method of obtaining perhalogen vinylcyclopropanecarboxylate formula
    Xi
    sooch
    Ho
    After 24 hours the precipitate from each cup from 55 -.;
    are recited and analyzed using high-C-C-perhaloalkyl; co-efficacy liquid chromatography to determine the remaining active ingredient.
    X is hydrogen, halogen
    or phenyl, HD - group
    The results obtained for this compound and for compounds 6.1 and 6.16 (Table 4), as well as for permetryne and two known additional compounds (US Patent No. 4,024,163) are listed in Table. eight.
    According to the test results, the proposed compounds are twice as stable as the known ones.
    Table 8
    15
    0
    0
    thirty
     The results of two experiments, each of which is the average of three measurements.
     The cis isomeric component of permethrin.
     The cis-isomeric component of the o-cyano - analogue of permetin. Thus, the proposed compounds exceed the known drugs about their insecticidal activity, especially against aphids. At the same time, they have increased photo stability.
    formula of invention
    40
    The method of producing perhaloalkyl vinylcyclopropanecarboxylates of the general formula
    Xi
    sooch
    Ho
    -C-perhaloalkyl;
    X is hydrogen, halogen, methyl
    or phenyl, HD - group
    31
    five
    X y
    X,
    ten
    Y is oxygen or vinylene;
    X is hydrogen, CN, trihalomethyl ;;
    Xj is chloro, methyl, benzyl, phenyl, phenoxy, unsubstituted or substituted by halogen, or lower alkyl;
    X is hydrogen, halogen or lower alkyl, and X and X are hydrogen if X is unsubstituted. phenoxy group, or if
    1344244
    32
    medium and the resulting compound of the general formula
    Xi X,
    COOXg
    have the indicated values X, Xj and Xd chenii,
    transform by sequential exposure to alkali and tyrnyl chloride to a compound of the general formula
    Xi
    x
    -COCl
    X, - trifluoromethyl, Xj - chlorine, group
    X, where Xg is hydrogen, bromine, phenyl, the labels are b or nitrogens, differing formulas
    the fact that alkanoate is common
    Huy Xi
    .)
    Hsh
    - COOHD
    where Xg is lower alkyl;
     - chlorine or bromine; X and X have the indicated meanings; dehydrohalogenized when interacting with a strong base in anhydrous
    Editor N. Gunko
    4839/58
    Circulation 371 BNIIPI USSR State Committee
    for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
    Production and printing company, Uzhgorod, st. Project, 4
    where X and X have the indicated meanings, are reacted with alcohol 20 of the general formula
    ,
    where Xj is as defined, in methylene chloride in the presence of pyridine at room temperature. Priority signs: 20,01.78 when Xs - group X5
    X y x
    : where X and X.
    do not mean halogen;
    07.24.78 at X - 35-T-inO-Xg group
    Compiled by R. Margolin
    Tehred I.Popovich Proofreader m. Pojo
    Subscription
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US87097378A| true| 1978-01-20|1978-01-20|
    US92719878A| true| 1978-07-24|1978-07-24|
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