Patent ID: 6075051
Filing Date: 2000-06-13
Classification: A01N

Abstract:
A compound of formula (I) ##STR9## wherein: (a) R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-8 alkyl phenyl, and phenyl C.sub.1-4 alkyl;(b) R.sub.3 is C.sub.1-23 straight or branched alkyl, carboxy C.sub.1-4 alkyl, phenyl C.sub.1-4 alkyl, wherein the phenyl moiety is unsubstituted or monosubstituted by halogen, C.sub.2-23 alkoxycarbonyl C.sub.1-4 alkyl;(c) R.sub.4 is methyl or C.sub.1-8 substituted methyl;(d) R.sub.5 is hydrogen or C.sub.1-8 straight or branched alkyl,(e) R.sub.6 is hydrogen, C.sub.1-8 straight or branched alkyl C.sub.2-8 alkanoyl, phenyl C.sub.1-4, alkyl, benzoyl, wherein the phenyl moiety is unsubstituted or monosubstituted with halogen, C.sub.2-8 alkyl, phenyl, phenyl C.sub.1-4 alkyl; phenyl C.sub.2-4 alkyloxycarbonyl; R.sub.7 is benzoyl(f) X is O, S or NH, and salts thereof.