Benzimidazole sulphides as anthelmintic agents

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...

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548305, 548328, A61K 31415, C07D23520, C07D23528

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active

042050774

ABSTRACT:
Benzimidazole derivatives of the formula ##STR1## in which R and R.sub.1 independently of one another are each hydrogen, an alkanoyl group having 1 to 4 carbon atoms, an alkoxycarbonyl group having 1 to 4 carbon atoms, an alkylsulphonyl group having 1 to 4 carbon atoms, a benzoyl group, a phenylsulphonyl group or a p-methylphenylsulphonyl group; R.sub.2 and R.sub.4 independently of one another are each hydrogen, halogen or a methyl group, R.sub.3 is hydrogen, halogen, a methyl group or a methoxy 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 acetyl group; and m is 0, 1, 2 or 3; and if one of the two radicals R or R.sub.1 is hydrogen, the position of the other of these radicals on the N atoms cannot be clearly established, including, when at least one of the two radicals R or R.sub.1 is hydrogen, the possible tautomeric compounds of the formula I; and the disulphides obtainable by oxidation of compounds of the formula I. The compounds are useful for combating helminths in domestic animals and productive animals.

REFERENCES:
patent: 3506767 (1970-04-01), Frick et al.

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