• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to new sulphonyl compounds of the general formula wherein X is a halogen atom, a phenoxy group, or an alkyl group or alkoxy group having 1-4 carbon atoms and substituted, if desired, with halogen; R1 is a cyano group, and R2 is an amino group which, if desired, may be substituted with halogen, with one or two alkenyl groups or alkynyl groups having 2-6 carbon atoms or with one or two alkyl groups having 1-6 carbon atoms, which alkyl groups. together with the nitrogen atom to which they are bound may form a saturated heterocyclic ring which ring may also contain a second hetero atom seieted from the group consisting of nitrogen oxygen and suiphor or which alkyl groups may be substituted with an alkoxy group having 1-4 carbon atoms, or with a olalkylamine group having 2-6 carbon atoms the alkyl groups of which, together with the nitrogen atom to which they are bound, may form a saturated heterocyclic ring; or wherein Ri and R2 together form a S,S-dialkylsulphox- imido group the alkyl groups of which comprise 1-4 carbon atoms, or a 1-amino-2-azavinylene group, of which the amino group is substituted, if desired, with a cycloalkylcarbamoyl group having 4-8 carbon atoms, an alkylcarbamoyl group having 2-5 carbon atoms, a dialkylamino group the alkyl group of which comprise 1-4 carbon atoms, or an alkyl group having 1-4 carbon atoms which alkyl group may be substituted with a hydroxy group or one or more halogen atoms; or wherein R1 and R2 together form a 1-imino-2-azaethy- lene group of which the ring nitrogen is substituted with an alkyl group or alkenyl group having 1-4 carbon atoms, and of wich the imino group may be substituted with a substituted or non-substituted phenyl-carbamoyl group, having aphicidal activity After having been processed to compositions the compounds may be used for the control of aphids in agriculture
    公开号:SU1093247A3
    申请号:SU813328851
    申请日:1981-06-19
    公开日:1984-05-15
    发明作者:Ван Хес Релоф；Корнелис Гросскурт Арнольдус；Балк Вотер
    申请人:Дюфар Интернэшнл Ресерч, Б.В. (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to a process for the preparation of new substituted isothiazole-1, 1-dioxides, which exhibit insecticidal activity and can be used to combat aphids in agriculture and forestry. The dioxide (m) -isothiazole-1, 1, is known, in particular 3-amino-benzo- () -isothiazole-1,1 dioxide, exhibiting anti-mold activity of L1J. Benzo-isothiazole-1,1 dioxide is also known, in particular 3-dimethylamino-6-chlorobenzo-isothiazole 1, 1 which are intermediates. to obtain t2D dyes and pesticides. However, there is no information on insecticidal activity or activity against aphids of known compounds. The aim of the invention is to develop a process for the preparation of substituted isothiazole-1,1-dioxides 5 exhibiting increased activity against aphids. This goal is achieved by the fact that, according to the method of genesis, substituted isothiazole 1,1-dioxides of the general formula x-fV- (I), 40 where the group- (. P starts- I: II -NB-1 in which D is an unsubstituted amino group or substituted by NI311SHM alkyl or cyclohe silcarbamoyl group; or carbamoyl group substituted by lower alkyl or ethoxyphenyl; RSHI -BB group in which v is lower alkyl or lower alkenyl | X is a halogen atom or lower alkoxy or phenoxy group or lower alkyl, based on known reactions of isocyanates with halogen-containing compounds and an amine G 3, a compound of the general fsmula, where X has the values indicated above, is reacted with an amine of the general formula where R is hydrogen or lower alkyl or lower alkenyl, in an organic solvent medium to obtain the corresponding 3-amino-substituted bezo-4) -isothiazole- 1,1-dioxide, which, if necessary, is reacted with a lower n-alkylamine, in which the alkyl group may be substituted with hydroxyl or chlorine, or cyclohexyl isocyanate, if R is hydrogen, or with the ethoxy group substituted with phenyl isocyanate in aqueous medium or in a polar organic solvent at a temperature from to the boiling point of the solvent, if necessary, in the presence of an organic base, Example 1. Preparation of 2-cyano-3-fluoro-H, H-dichlorobenzenesulfone-y (25 ) and 8,5-dimethyl-M- (2-cyano-3-fluorophenylsulfonyl) sulfoximide (26). 7.5 g of 2-cyano-3-fluorobenzenesulfonamide is added at room temperature to 90 ml of a 10% aqueous solution of NaCl, the temperature rises from 22 to. After stirring at room temperature for 1,. The reaction mixture is cooled in an ice bath and then 16 ml of 96% acetic acid are added at a temperature of. After 10 minutes, the solid was filtered off with suction, washed three times with water and dried under vacuum on PjOj-. The result is 2-cyano-3-fluoro-EH-dichlorobenzenesulfonamide (25) in the amount of 6.15 g, t, pl. 149152 C. Found,%; From 30.99; H 1.13; N 10.38; S 12.03; F 7.13; C1 26.4. Calculated,%: C, 31.23; H 1.11; N 10.41; S 11.92; F 7.06; C1 26.36. 5.4 g of 2-cyano-3-fluoro-M, H-dichlorobenzenesulfonamide is added in portions to 45 ml of 2N sodium hydroxide at 80 ° C and moving, the temperature rising to 90 ° C. After filtration, the filtrate is cooled to a bath containing a mixture of ice and methanol until the 2-cyano-3-fluoro-N-chloro-N-sodium tri-benzenesulfonamide so obtained is filtered off with suction, thoroughly washed twice with a saturated solution of sodium chloride and three times with isopropanol and dried. Output 1.06
    1 g of 2-cyano-3-fluoro-N-chloro-N-sodium benzene sulphonamide .. is added to the suspension O, 1 g CuCl B 5 ml of dimethyl sulfoxide. After stirring at room temperature for 1 hour and subsequent heating in the steam bath for 1 hour, the reaction mixture is added, consisting of 30 ml of water and 4 ml of an effective solution of ethylenediaminetetraacetic acid (complexone) in water. After moving for a short period of time, the solid product is sucked off, washed, three times with water and dried under vacuum over PjOs, resulting in 0.50 g of S, 8-dimethyl-H - (2-cyano-3-fluorophenylsulfonyl) sulfoxyimide ( 26), mp 184C.
    Found,%: C 39.01; H 3.15; N 10.17; S 23.38; F 6.95.
    Calculated,%: C 39.12; H 3.26; N 10.14; S 23.22; F 6.88.
    Example 2. Preparation of 3-amino4-chloro-benzo (c -) - isothiazole-1,1-dioxide (1).
    12.5 ml of 25% ammonia are added to a solution of 11.8 g of 2-1 w-3-chlorobenzenesulfonyl chloride in 20 ml of diaxane. After heating in the steam bath for 30 minutes, the mixture was cooled and diluted with water. The resulting crystalline product is filtered off with suction, washed with water and dried. The yield of the desired product is 8.9 g. After recrystallization from ethanol, the product melts at 261-263 ° C. IR spectrum: 3440, 3320, 3265 (NH), 1290, 1150 (SO).
    The following compounds are prepared in a similar manner.
    3-amino-4-fluorobenzo (o) isothiazole-1, 1-dioxide (3), so pl. more than 260 ° C IR spectrum: 3460, 3360 (NH), 1290, 1150 (SO).
    3-amino-4-methylbenzo (o) isothiazole-1, 1-dioxide (32), so pl. 26.5 ° C. IR spectrum: 3465, 3340, 3275 (III), 1280, 1150 (SO,) ..
    3-amino-4-methoxybenzo (c) isothiazole-1, 1-dioxide (33), so pl. 216C. IR spectrum: 3380, 3315, 3205 (NH), 1300, 1155 (80).
    The same products can be prepared by passing gaseous
    ammonia through a solution of sulfonylchloride in dioxane or by combining sulfonyl chloride and ammonia in ice water (the reaction proceeds at room temperature).
    3-amino-4-methoxybenzo (o) isothiazole-1, 1-dioxide (33) and 3-amino-4-phenoxybenzoSU) isothiazole-1,1-dioxide (35) and is obtained by the reaction between 3-amino-4 -fluorobenzo (o (-) isothiazole-1,1-dioxide and methanol and phenol, respectively, under the influence of a suitable base, such as sodium alcoholate or sodium phenol, in an inert organic solvent, such as acetonitrile, and under refluxing. IR spectrum : Z-amino-4-phenoxybenzo (o) isothiazole-1, 1-dioxide (35): 3460, 3360, 3175 NL, 1310, 1160 (SOj).
    Example 3. Obtaining 3-butylamino-4-chlorobenzo (o) -isothiazole-1, 1-dioxide (15).
    A solution of 2.17 g of 3-amino-4-chlorobenzo (y6) isothiazole-1,1-dvuoxy, prepared in accordance with Example 2, and 2 ml of butylamine in 15 ml of dioxane are boiled for about 2 hours, while ammonia volatilizes. After distillation by distillation of the solvent, the obtained residue is stirred with water, sucked off, thoroughly washed with water and petroleum ether, and dried. Yield 2.4 gm. 136-138 ° C. IR: 3370 (NH), 1300, 1150 (SOj).
    The following compounds are prepared in a similar manner.
    3- (2-Chloroethyl) -amino-4-chlorobenzo (o) nzothiazole-T, 1-dioxide (4), so pl. 184-185 ° C. IR: 3380 (NH) 1310, 1165 (SOj).
    3- (1-Oxybuty. P-2) -amino-4-chloro-benzo (c) isothiazol-1, 1-dioxide (31), mp. . IR spectrum: 3370 (W), 1300, 1160 (SOj).
    And p and meer. 4. Preparation of 3- (3-cyclrhexylureido) -4-chloro-5-nzo (co-zothiazole-1,1-dioxide (2).
    A solution of 2.17 g of 3-amino-4-chlorobenzo (o) isothiazole-1,1-dioxide, prepared in accordance with the prg-2, 1.3 g of cyclohexyl isocyanate and .0.3 ml of triethylamine in 20 ml of acetonitrile is subjected def.pagmirovany for 4 hours. After cooling, a simple solution is produced crystal: 1g of the desired product, yield 2.1 t. (decomposition) 192C. IR spectrum: 3380, 3330 (NH), 1320, 1160 (SO). Similarly, 3- (3-methylureido) - -chlorobenzo (o (,) isothiazole-1, 1 dioxide (14), mp: 1360, 3360, 3320 (NH), 1325, 1160 (SOj) are obtained. Example 5. Preparation of 2-methyl-3-amino-4-chlorobene o (oC) isothiazolin-1, 1-dvuoxy (11.). 7.1 g of 2-cyano 3-chlorobenzenesulfonyl chloride are added to a solution of 9 ml of methylamine in about 15 ml of water, cooled to 0 ° C. After stirring at 0-10 ° C for 1 h, the solid product is filtered off with suction, washed with water and dried with air, the yield is 5.5 mp, 140-142 ° C. IR spectrum: 3330 (NH), 1315, 1170 (SOj). The following dinane compounds are obtained in a similar way. 2-Allyl-3-amino-4-chlorobenzo (c6) isot azolin-1, 1-dioxide (23), mp 92, IR spectrum: 3340 (NH), 1330, 1190 (50). 2 Methyl-3-imino-, 4-fluorobenzo (c) isothiazolin-1 , 1-dioxide (12), mp: 142 ° C; IR spectrum: 3350 (-Sh), 1315, 1170 (SO). 2-Allyl-3-amino-4-fluorobenzo (o) isothiazolin-1, 1 -two-oxide (36), mp 1010 ° C; IR spectrum: 3330 (III), M320, 1170 (SOj). 2-Methyl-3-imino-4-methoxybenzo () isothiazolin-1, 1-dioxide (37 ), mp. 138 ° C; IR spectrum: 3340 (W), 1315, 1150 (30). 2-Ethyl-3-imino-4-fluoro-benzo (oC) isothiazolin-1,1-dioxide (13), m.p. NMR spectrum (CDCl1); 8.50 (1, 0 NH); 7.40-7.80- (3, m); 3.90 (2, q); 1.45 (3, t). Example 6: Compounds of formula 1 are processed in a composition by suspending in water in the presence of a dispersing agent, such as sodium sulfonate, and / or wetting. an agent such as alkylnaphthalene sulfonate, alkyl sulfate, alkyl benzene sulfonate, alkyl polyoxyethyl or polyaryl polyoxyethylene. Typical composition contains, in weight%: active substance 25; alkylnaphthalene sulfonate 2, lignin sulfonate 5, kaolin 68. Young shoots of beans about 10 cm in height, having 2 pairs of leaves, are sprayed with compound at different concentrations. After the races of the species have been stored on the 20 / den of the water of I. in t Pet s, - And the table has dried out, they are infested with Aphis falae (black bean) by applying 10 insects to each of the plants. These plants are not in a climate box at 15 ° C and at the same time carry out a cycle in the night, the ratio of 65-70% is 18/6 h. After 7 days, insect mortality is plagued, and the experiment is repeated 4 times. The results are shown abl. one . + match note, deadness 90-100%; + - 50-90%; Less than 50%. The resistance of aphids of Aphis falae compounds is given in. 2
    table 2
    Known 2 6-C1 1 N et
    CH,
    .N Note Symbols correspond to the table. 1. The proposed method allows - 15 which are of increased activity to obtain compounds against aphids.
    权利要求:
    Claims (1)
    [1]
    METHOD FOR PRODUCING SUBSTITUTED ISOTHYAZOL-1,1-DIOXIDE OF GENERAL FORMULA I
    X or ethoxy’nil, or a group! —C == NHb of which In I
    —N — B lower alkyl or lower alkenyl;
    X is halogen or lower alkoxy or phenoxy or lower alkyl, wherein the compound of general formula II
    CN
    SO 2 C1 where X - has the indicated meanings, is reacted with an amine · of general formula III
    B from c = A, where the group is C „'' means · —Q —— '
    And II
    -Ν —-- in -K in which D is an unsubstituted amino group or substituted with lower alkyl or a cyclohexylcarbamoyl group or a carbamoyl group substituted with lower alkyl
    R is NH 2 , where R is hydrogen or lower alkyl, or B lower alkenyl, C * · * in an organic solvent medium to obtain the corresponding 3-amino * C © substituted benzo (ci) -isothiazole-1,1-. ] -dioxide, which, if necessary, · Ί is reacted with lower n-alkylamine, in which the alkyl group can be substituted with hydroxyl or chlorine, or cyclohexyl isocyanate if R is hydrogen, or with lower alkyl isocyanate in an aqueous medium or in a polar organic solvent with temperature from 0 ° С to the boiling point of the solvent, if necessary spine, vprisutstvii organic base.
    >
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NL8000414|1980-01-23|
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