Benzimidazole derivatives

C - Chemistry – Metallurgy – 07 – D

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260/305.05, 260/

C07D 235/28 (2006.01)

Patent

CA 1105034

Abstract of the Disclosure Benzimidazole derivatives of the formula Image in which R is an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 3 to 5 carbon atoms, an alkynyl group having 3 to 5 carbon atoms or a benzyl group, which is unsub- stituted monosubstituted to disubstituted by a methyl group, halogen or a nitro group, R1 is hydrogen, an alkanoyl group having 1 to 4 carbon atoms, an alkoxycarbonyl group having 1 to 4 carbon atoms, a N,N-dialkylcarbamoyl group or N,N-dialkyl- thiocarbamoyl group, each having 1 to 4 carbon atoms in the alkyl groups, an alkylsulphonyl group having 1 to 4 carbon atoms, - 1 - a benzoyl group, a a phenylsulphonyl group, a 4-methylphenyl- sulphonyl group or the radical, Image in which Q is a carbonyl group, a thiocarbonyl group or an oxalyl group, R2 is hydrogen, halogen or a methyl group, R3 is hydrogen, halogen, a methyl group or an alkoxy group having 1 to 4 carbon atoms, R4 is hydrogen, halogen or a methyl group, X is oxygen or sulphur, Y is halogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a methylthio group, a methylsulphinyl group, a methylsulphonyl group, a trifluoromethyl group, a nitro group, a hydroxyl group, a cyano group or an alkanoyl group having 1 to 4 carbon atoms in the alkyl moiety and m is 0, 1, 2 or 3 and n is 0, 1 or 2, including, if R1 is not hydrogen, the tautomeric com- pounds of the formula I, for combating helminths in domestic and useful animals. - 1a -

300973

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