Aniline derivatives having herbicidal activity, their preparation and their use

摘要

Compounds of formula (I): <IMAGE> (I) (wherein: R1 is optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy, or optionally substituted alkylthio; R2 is hydrogen, optionally substituted alkyl, cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl or a group of formula -YR7; R3 is optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy group, optionally substituted alkenyl, optionally substituted alkynyl, halogen, nitro or a group of formula -COR8, wherein R8 is hydrogen, alkyl, cycloalkyl or alkoxy; R4 and R5 are each hydrogen atom or alkyl; R6 is optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy group, optionally substituted alkenyl, optionally substituted alkynyl, halogen, nitro, or a group of formula -COR8, as defined above; A, Q and X are each oxygen or sulfur; Y is a group of formula -CO-, -COO-, -CH2O-, -CH2S-, -CH2CH2O-, -CH2CH2S-, -CH2CO-, -CH2COO-, -CH(Me)COO-, -CH2CH2CO-, -CH2OCO-, CH2OCOO- and -CH2CH2OCO-; R7 is optionally substituted alkyl group, cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted aryl, optionally substituted aralkyl, or an optionally substituted heterocycle; and m and n are each an integer from 0 to 4; and herbicidally acceptable addition salts thereof) are useful as herbicides.