Patent ID: 6348614
Filing Date: 2002-02-19
Classification: A01N,C07C,C07D

Abstract:
A compound having the formula (I) Wherein:a) R1 and R2 are independently hydrogen, C1-8 alkyl, phenyl, and phenyl C1-4 alkyl b) R3 is C1-23 straight or branched or a cyclic alkyl or alkenyl; alkoxyalkyl halogenated alkyl, phenyl, or benzyl; alkyl phenyl; c) R4 and R5 are hydrogen or C1-8 alkyl where at least one of R4 and R5 is C1-8 alkyl; d) R6 is hydrogen; C1-8 alkyl; C2-8 alkanoyl; phenyl C1-4 alkyl, benzoyl wherein the phenyl moiety is optionally substituted by one or more halogen atoms or alkyl groups C2-8 alkoxycarbonyl; CONHR8 wherein R8 is hydrogen, C1-8 alkyl, phenyl, phenyl C1-4 alkyl; phenyl C2-4 alkoxycarbonyl; e) R7 is benzenesulfonyl or benzoyl optionally substituted by one or more halogens, alkyl groups, amino groups or alkoxy groups; or thiophene carbonyl; f) X is O or NH; and salts thereof; with the proviso that when X is oxygen, R1 is hydrogen and R2 is ethyl, then R3 is neither methyl nor ethyl; and when X is oxygen, R2 is hydrogen and R3 is methyl, then R1 is not ethyl.