CYCLOHEXENONIC COMPOUNDS, A PROCESS FOR THEIR PREPARATION, THEIR USE AS A HERBICIDE OR AS A PLANT GROWTH REGULATING MEANS

摘要

1. A cyclohexenone compound of the formula I see diagramm : EP0293817,P16,F3 where R**1 is hydrogen ; C1 -C6 -alkyl which is unsubstituted or substituted by C1 -C4 -alkoxy, C1 -C4 -alkylthio, C1 -C4 dialkylamino, hydroxyl or halogen ; C2 -C6 -alkenyl ; C3 -C6 -cycloalkyl ; or phenyl or benzyl which is unsubstituted or substituted by halogen, C1 -C4 -alkyl, C1 -C4 -alkoxy or nitro, R**2 is C1 -C4 -alkyl or cyclopropyl, A is oxygen ; a radical NOR**3 , where R**3 is C1 -C4 -alkyl, C3 or C4 -alkenyl, C3 - or C4 -alkynyl, C2 -C4 -haloalkyl, C3 - or C4 -haloalkenyl or C2 -C4 -alkoxyalkyl ; or a radical NR4 , where R4 is hydrogen, C1 -C6 -alkyl, C1 -C4 -hydroxyalkyl, C1 -C4 -alkoxyalkyl, benzyl or phenyl, and X is hydroxyl ; chlorine ; C1 -C6 -alkylthio which is unsubstituted or substituted by C1 -C4 -alkoxy, C1 -C4 -alkylthio, C1 -C4 dialkylamino, hydroxyl or halogen ; C2 -C6 -alkenylthio ; C3 -C6 -cycloalkylthio ; or phenylthio or benzylthio which is unsubstituted or substituted by halogen, C1 -C4 -alkoxy or nitro, or an agriculturally usable salt thereof.