Process for protecting keratin-containing materials from attack by keratin-eating insects and 5-phenylcarbamoylbarbituric acid compounds

摘要

The materials are treated with compounds of the formula <IMAGE> where X is oxygen or sulphur, R1 and R2 are each alkyl of 1-4 carbon atoms, alkenyl of 3 or 4 carbon atoms, benzyl or optionally substituted phenyl, R3 is halogen, nitro or C(halogen)3, R4 is hydrogen, halogen or C(halogen)3 and R5 is hydrogen, halogen, methyl or methoxy. The compounds of the formula (1) in which at least one of the two substituents R1 and R2 is phenyl or substituted phenyl and X is oxygen are new.