HERBICIDALLY ACTIVE DIURETHANES AND THEIR MANUFACTURE AND USE

摘要

Herbicidally active diurethanes of the general formula I (I) in which R represents an alkyl, alkenyl, alkynl, halogenoalkyl or alkoxyalkyl group, R1 represents an alkoxyalkyl, dialkoxyalkyl or cyanalkyl group, each R2 represents an alkyl or alkoxy group or a halogen atom, X represents an oxygen or sulphur atom and n represents 0, 1, 2 or 3.