PESTICIDAL AGENTS
    21.
    发明专利

    公开(公告)号:CA1088065A

    公开(公告)日:1980-10-21

    申请号:CA271007

    申请日:1977-02-03

    Applicant: HOECHST AG

    Abstract: of the disclosure: Compounds of the formula (I) in which R represents halogen, C1-C6-alkyl, C1-C3-haloalkyl, C1-C2 alkoxy, NO2 or S-CH3, R1 represents hydrogen or C1-C6-alkyl, R2 represents C1-C6-alklamino, C3-C8-alkenylamino, N,N-di-(C1-C6-alkylamino), C5-C6-cycloalkylamino or a saturated N-heterocycle having from 4 to 8 C-atoms altogether of which 1 or 2 may stand in the side chain and in which one CH2 group of the cycle may be replaced by oxygen or sulfur, R3 represents C1-C6-alkyl, X is oxygen or sulfur and n is zero or a whole number in the range of from 1 to 3 exhibit a good herbicidal effect on some economically important weed grasses and dicotyledonous weeds and simultaneously they have excellent insecticidal and acaricidal properties.

    PROCESS FOR THE PREPARATION OF ORTHO-SUBSTITUTED ARYLCARBOXIMIDO-ESTERS

    公开(公告)号:CA1305171C

    公开(公告)日:1992-07-14

    申请号:CA563083

    申请日:1988-03-31

    Applicant: HOECHST AG

    Abstract: of the disclosure: HOE 87/F 097 The present invention describes a process for the preparation of compounds of the formula I (I) in which R denotes fluorine, chlorine, bromine or (C1-C4)alkyl, R1 denotes (C1-C4)alkyl, R2 denotes H, methyl, methoxy, fluorine, chlorine, bromine or trifluoromethyl, and X denotes Cl or Br, by reaction of nitriles of the formula II R1-OH (II) (III) with alcohols of the formula III and hydrogen chloride or bromide, which comprises carrying out the reaction under pressure at temperatures from -10.degree.C to +50.degree.C, if appropriate in the presence of a diluent, and subsequently converting the resulting hydrochloride or hydrobromide into the free base.

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