SACCHARINE-5-CARBONYL-CYCLOHEXANE-1,3,5-TRIONE DERIVATIVES, THEIR PREPARATION AND THEIR USE AS HERBICIDES

摘要

The invention concerns saccharine-5-carbonyl-cyclohexane-1,3,5-trione derivatives of formula (I), in which the substituents have the following meanings: L is C1-C3 alkyl, C1-C3 alkoxy; Z is C1-C4 alkyl, C3-C8 cycloalkyl, C3-C6 alkenyl, C3-C5 alkinyl, benzyl or phenyl, the phenyl rings each optionally being substituted one or a plurality of times by C1-C4 alkyl, C1-C3 alkoxy or halogen; M is hydrogen, C1-C3 alkyl, C1-C3 alkoxy, fluorine, chlorine, cyano, nitro or trifluoromethyl; and R1, R2, R3, R4 are C1-C4 alkyl. The invention further concerns salts of compound (I) which can be used in agriculture.