Herbicidal compositions and pyrazole derivatives

Details Herbicidal compositions and pyrazole derivatives Herbicidal compositions and pyrazole derivatives

C - Chemistry, Metallurgy

07

D

260/304, 71/8.2,

C07D 231/18 (2006.01) A01N 25/00 (2006.01) C07D 231/20 (2006.01) C07F 9/6509 (2006.01)

Patent

CA 1077944

ABSTRACT OF THE DISCLOSURE A compound having the formula Image (I) wherein R1 represents hydrogen atom or an alkyl group; R2 rep- resents an alkyl group, or an alkenyl group, X represents a halogen atom, nitro group, an alkyl group, halogenated alkyl group, an alkoxy group, an alkanesulfonyl group, a cyano group, an alkylthio group, an aliphatic acyl group or a benzoyl group, n is 1, 2, 3 or 4 and when n is 2, 3 or 4, the substituents X may be the same or different and Y represents oxygen atom or sulfur atom,provided that X is other than a 2-chloro or 4-nitro substituent when R1 and R2 are methyl, n is 1 and Y is an oxygen atom and provided that when n is 1, 2 or 3 and Y is oxygen at least one of the radicals X, R1 and R2 is other than an alkyl group or a salt thereof or an organic acid ester thereof. The compounds of formula I are new compounds having herbicidal properties and can be prepared by conventional processes.

222945

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