Aniline derivatives having herbicidal activity their preparation and their use

摘要

Compounds of formula (I): Äwherein: R<1> is optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy, or optionally substituted alkylthio; R<2> is hydrogen, optionally substituted alkyl, cycloalkyl, optionally substituted alkenyl, optionally substituted alkynyl or a group of formula -YR<7>; R<3> is optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy group, optionally substituted alkenyl, optionally substituted alkynyl, halogen, nitro or a group of formula -COR<8>, wherein R<8> is hydrogen, alkyl, cycloalkyl or alkoxy; R<4> and R<5> are each hydrogen atom or alkyl; R<6> is optionally substituted alkyl, cycloalkyl, optionally substituted alkoxy group, optionally substituted alkenyl, optionally substituted alkynyl, halogen, nitro,or a group of formula -COR<8>, 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-; R<7> 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 thereofÜ are useful as herbicides.