HERBICIDE COMPOSITIONS BASED ON CYCLEHEXENONE DERIVATIVES, AS AN ACTIVE COMPOUND, PROCESS FOR ITS PREPARATION AND APPLICATION TO COMBAT UNDESIRABLE VEGETATION

摘要

1. A cyclohexenone derivative of the formula I see diagramm : EP0218233,P22,F1 where R**1 is 2-fluoroethyl, 2-chloroethyl, but-2-en-yl, methoxymethyl or methoxyethyl, R2 is C1 -C4 -alkyl, R**3 is 2-isopropyl-1,3-dioxepan-5-yl, tetrahydrothiopyran-3-yl, tetrahydropyran-3-yl, tetrahydropyran-4-yl, 3-methyl-tetrahydropyran-4-yl, pyrid-3-yl, tetrahydrofuran-3-yl or 4a,7,8,8a-tetrahydro-2H, 5H-pyrano[4,3-b]pyran-3-yl, and R**4 is hydrogen, C1 -C20 -alkylcarbonyl, C2 -C20 -alkenylcarbonyl, benzoyl which is unsubstituted or substituted by C1 -C8 -alkyl, C1 -C4 -trialkylsilyl, C1 -C4 -alkylsulfonyl, phenylsulfonyl which is unsubstituted or substituted by C1 -C4 -alkyl, C1 -C4 -dialkylphosphono or C1 -C4 -dialkylthiophosphono or salts of these compounds.