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    • 33. 发明专利
    • NEW BENZIMIDAZOLES
    • ZA734114B
    • 1974-06-26
    • ZA734114
    • 1973-06-19
    • HOECHST AG
    • ROECHLING HHOERLEIN GHAERTEL K
    • C07D233/48A01N47/18C07D235/32
    • 1399414 1 - Substituted - 2 - benzimidazolecarbamic acid methylester HOECHST AG 27 June 1973 [29 June 1972] 30540/73 Heading C2C Novel compounds I in which R is a group III in which X is a single bond, or a methylene or vinylene group, R 1 is hydrogen or methyl, R 2 is chlorine, bromine, methoxy, ethoxy, phenoxy, methylthio, ethylthio, phenylthio or di-(C 1 -C 4 alkyl) amino, R 3 is hydrogen or methyl and R 4 is C 1 -C 5 alkyl or phenyl or R is the 2-dichloromethyl cyclopent-3-enyl group are prepared by reacting a methyl 2-benzimidazole carbamate with a carboxylic acid halide R-CO-Hal in the presence of a tertiary organic base, an alkali metal carbonate or bicarbonate or alkaline earth metal carbonate or bicarbonate or ammonium bicarbonate. Compounds I have fungicidal properties and form with a carrier a fungicidal composition which may be administered to plants, stored fruit and vegetables, textiles, wood, dyestuffs and coatings. Compounds I are also suitable for combating parasitic diseases and form with a carrier pharmaceutical compositions which may be administered orally or parenterally.