Cyclohexenone derivatives, their preparation and their use...

Details Cyclohexenone derivatives, their preparation and their use... Cyclohexenone derivatives, their preparation and their use...

C - Chemistry, Metallurgy

07

D

260/330, 260/369

C07D 303/36 (2006.01) A01N 43/20 (2006.01) C07D 331/02 (2006.01) C07D 493/04 (2006.01)

Patent

CA 1239410

ABSTRACT OF THE DISCLOSURE: The invention relates to new cyclohexenone derivatives of the formula: Image where A is a cycloalkyl radical of 5 to 12 ring members which is fused with one or two oxirane or thiirane rings, is unsubstituted or substituted by not more than four methyl groups and is bridged with an alkylene chain of not more than 3 carbon atoms, R1 is hydrogen, methoxycarbonyl or cyano, preferably hydrogen, R2 is alkyl of 1 to 4 carbon atoms and R3 is alkyl of 1 to 3 carbon atoms, alkenyl of 3 or 4 carbon atoms, haloalkenyl of 3 or 4 carbon atoms which has 1, 2 or 3 halogen substituents, of propargyl. The invention also relates to a process for manufacturing these derivatives which are useful as herbicides for controlling undesirable plant growth.

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