PROCESS FOR CYCLO PROPAN CARBOXYLATE ESTER

    公开(公告)号:KR800000978B1

    公开(公告)日:1980-07-17

    申请号:KR750002649

    申请日:1975-12-04

    Abstract: The title Compd. (I; R1=H, methyl, F, Cl, Br; R2=F, Cl, Br; R3 and R4 are H, C1-3 alkyl, C2-3 alkenyl, alkinyl, aryl, aralkyl), useful as insecticide and acaricide, were prepd. by esterification of arylsulfonate (II; A=hydroxyl, halogen, arylsulfoxy) and cyclopropanecarboxylic acid(III). Thus, 0.05 mole alcohol(II), 0.075 mole pyridine and 0.053 mole carboxylic chloride were esterified in anhydrous benzene to give I.

    Optically active alpha beta alcohol mfr.

    公开(公告)号:IT1177773B

    公开(公告)日:1987-08-26

    申请号:IT4830984

    申请日:1984-06-01

    Abstract: Mfr. of optically active alcohol derivs. of formula (I) (where R1:halogen atom; 3-8C cycloalkyl opt. substd. with halogen atom; 5-8C cycloalkenyl opt. substd. with halogen atom; 1-4C alkyl; 1-4C haloalkyl; cyano; or opt. phenoxy-substd. phenyl. R2: imidazole - 1 - yl or 1,2,4 - triazole - 1 - yl gp. asterisk: asymmetric C) comprises asymmetric redn., opt. in the presence of an acid, of a ketone cpd. of formula (II) with a boron hydride reduction agent modified by an optically active amino alcohol of formula (III). (R3:1-8C alkyl; 6-10C aryl; or 7-10C aralkyl; R4:H; 1-6C alkyl; or 7-16C aralkyl; R5:H; 1-10C alkyl; 7-10C aralkyl; or 6-18C aryl opt. substd. with 1-6C alkyl or 1-6C alkoxy). Boron hydride cpd. is produced by reacting the salt of an optically active amino alcohol of formula (III) and a mineral acid, carboxylic acid or organic sulphonic acid with an equivalent amount of a boron hydride metal.

    7.
    发明专利
    未知

    公开(公告)号:CH613690A5

    公开(公告)日:1979-10-15

    申请号:CH1580775

    申请日:1975-12-04

    Abstract: 1471120 Maleimidomethyl cyclopropane carboxylates SUMITOMO CHEMICAL CO Ltd 27 Nov 1975 [5 Dec 1974] 48882/75 Heading C2C Novel maleimidomethyl cyclopropanecarboxylates of general formula wherein R 1 is H, CH 3 , F, Cl or Br; R 2 is F, Cl or Br and R 3 and R 4 are each independently H, C 1-3 alkyl, C 2-3 alkenyl, C 2-3 alkynyl, optionally alkyl or halo-substituted aryl or an aralkyl group, are prepared by reacting an alcohol, halide or arylsulphonate of general formula in which A is -OH, halogen or arylsulphoxy, with an acid of general formula or a reactive derivative thereof, e.g. halide, salt or anhydride. Amongst numerous examples the compounds 2 - methyl - 3 - ethylmaleimidomethyl - 2 1 ,2 1 - dimethyl - 31 - (2 - bromovinyl)- cyclopropanecarboxylate and 2 - methyl - 3- (m-methylphenyl) - maleimido - methyl - 2 1 ,2 1 - dimethyl - 3 1 - (2,2 - difluorovinyl)cyclopropane carboxylate are prepared. Pesticidal compositions comprise a compound of Formula I as active ingredient together with an inert carrier.

    INSECTICIDES
    8.
    发明专利

    公开(公告)号:CA1058623A

    公开(公告)日:1979-07-17

    申请号:CA241028

    申请日:1975-12-04

    Abstract: A novel cyclopropanecarboxyllc acid ester of the formula (I), (I) wherein R1 is a hydrogen atom, methyl group or a fluorine, chlorine or bromine atom, R2 is a fluorine chlorine or bromine atom, and each of R3 and R4 is independently a hydrogen atom, a C1-C3 alkyl, C2-C3 alkenyl or C2-C3 alkynyl group, an alkyl- or halogensubstituted aryl, unsubstituted aryl group or an aralkyl group, which possesses various useful insecticidal and acaricidal activities and can be prepared by reacting an alcohol, halide or arylsulfonate compound of the formula (II), (II) wherein R3 and R4 have the same meanings as defined above and A is a hydroxyl group, a halogen atom or an arylsulfoxy group, with a cyclopropanecarboxyllc acid of the formula (III), (III) wherein R1 and R2 have the same meanings as defined above, or its reactive derivative.

    NOVEL INSECTICIDES
    9.
    发明专利

    公开(公告)号:ZA757391B

    公开(公告)日:1976-11-24

    申请号:ZA757391

    申请日:1975-11-25

    Abstract: 1471120 Maleimidomethyl cyclopropane carboxylates SUMITOMO CHEMICAL CO Ltd 27 Nov 1975 [5 Dec 1974] 48882/75 Heading C2C Novel maleimidomethyl cyclopropanecarboxylates of general formula wherein R 1 is H, CH 3 , F, Cl or Br; R 2 is F, Cl or Br and R 3 and R 4 are each independently H, C 1-3 alkyl, C 2-3 alkenyl, C 2-3 alkynyl, optionally alkyl or halo-substituted aryl or an aralkyl group, are prepared by reacting an alcohol, halide or arylsulphonate of general formula in which A is -OH, halogen or arylsulphoxy, with an acid of general formula or a reactive derivative thereof, e.g. halide, salt or anhydride. Amongst numerous examples the compounds 2 - methyl - 3 - ethylmaleimidomethyl - 2 1 ,2 1 - dimethyl - 31 - (2 - bromovinyl)- cyclopropanecarboxylate and 2 - methyl - 3- (m-methylphenyl) - maleimido - methyl - 2 1 ,2 1 - dimethyl - 3 1 - (2,2 - difluorovinyl)cyclopropane carboxylate are prepared. Pesticidal compositions comprise a compound of Formula I as active ingredient together with an inert carrier.

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