Herbicides

Abstract

Compounds of formula (I) are suitable for use as herbicides: wherein R is methyl, ethyl, vinyl, ethynyl or cyclopropyl, Ris hydrogen, C-Calkyl, C-Chaloalkyl, C-Ccycloalkyl, C-Calkoxy, C-Chaloalkoxy, vinyl, propenyl, ethynyl, propynyl, halogen, or optionally substituted phenyl, Ris methyl, ethyl, vinyl, ethynyl or methoxy, Rand Rare hydrogen or together form a double bond, A is C-Ccycloalkyl which is unsubstituted or substituted once or twice by C-Calkyl, C-Chaloalkyl, C-Calkoxy, C-Calkylcarbonyloxy, C-Calkenyl, ═O or ═N—R, or A is cyclohexyl substituted once, at the 4-position, by one (C-Ccycloalkyl)methoxy, C-Ccycloalkyloxy, C-Calkenyl-CH-oxy, or benzyloxy substituent, or A is decahydro-1-naphthyl or decahydro-2-naphthyl, or A is optionally substituted phenyl, and G is hydrogen or an agriculturally acceptable metal, sulfonium, ammonium or a latentiating group.