| abstract |
Cyclohexenone derivatives of the general formula I <IMAGE> I where the substituents have the following meanings: R1 substituted or unsubstituted C1-C6-alkyl, C3-C6-alkenyl or C3-C6-alkynyl, phenyl, benzyl or thenyl; R2 substituted or unsubstituted C1-C6-alkyl, C3-C6-alkenyl, C3-C6-alkynyl or phenyl; R3 hydrogen, C1-C6-alkyl, C1-C10-alkylcarbonyl, C1-C6-alkylsulfonyl, C1-C4-trialkylsilyl, C1-C4-dialkylphosphonyl, C1-C4-dialkylthiophosphonyl, C3-C6-alkenyl, C3-C6-alkenylcarbonyl, C3-C6-alkynyl or substituted or unsubstituted benzoyl- or phenylsulfonyl; R4 hydrogen, cyano, halogen, C1-C6-alkyl or C1-C6-alkoxycarbonyl; A a substituted or unsubstituted C1-C4-alkylene chain in which a methylene group may be replaced by an oxygen or sulfur atom; m 0 or 1; B a 5-membered mono- or diunsaturated heterocycle containing up to 2 nitrogen atoms and/or up to one oxygen or sulfur atom; substituted or unsubstituted C1-C6-alkyl, C2-C6-alkenyl or C2-C6-alkynyl; C1-C4-alkoxy, C1-C4-alkylthio, C3-C6-alkenyloxy or C3-C6-alkynyloxy; n 1, 2 or 3; Y not denoting hydrogen when m is 0, B is isoxazol-5-yl and X is 3-(C3-C6-cycloalkyl), and environmentally acceptable salts thereof, processes for their manufacture, and their use as herbicidal agents. |