13.
    发明专利
    未知

    公开(公告)号:BR7304535D0

    公开(公告)日:1974-08-15

    申请号:BR453573

    申请日:1973-06-18

    Applicant: HOECHST AG

    Abstract: 1377354 2 - Methoxycarbonylamino - benzimidazole derivatives FARBWERKE HOECHST AG 19 June 1973 [21 June 1972] 29008/73 Heading C2C Novel 2 - methoxycarbonylamino - benzimidazole derivatives having the general formula wherein each of R 1 and R 2 is a (C 1 -C 18 ) alky group, (C 3 -C 18 ) alkenyl group, (C 4 -C 8 ) cycloalkyl group, a cycloalkylalkyl or alkylcycloalkyl group having 5 or 6 ring carbon atoms and from 1 to 3 carbon atoms in the alkyl or alkylene moiety, a (C 2 -C 12 ) alkoxyalkyl or alkylthioalkyl group, a (C 3 -C 9 ) carboalkoxyalkyl group, a cyanoethyl, phenyl, benzyl or phenethyl group, or R 1 is a (C 1 -C 4 ) alkoxy group, or R 1 and R 2 together form a (C 4 -C 7 ) alkylene group optionally interrupted by O, S, or substituted by methyl or ethyl groups or bridged by a methylene group, are prepared by reacting 2-methoxycarbonylamino benzimidazole with formaldehyde and a secondary amine of the formula The reaction is preferably carried out in a solvent using a one or two molar amount of the amine and, while stirring, a one to four molar amount of gaseous formaldehyde or an aqueous formaldehyde solution at a temperature of from 0‹ to 80‹ C. The novel compounds possess fungicidal or anthelmintic properties.

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