Herbicidal 4-acyl-5-arylisoxazoles

Details Herbicidal 4-acyl-5-arylisoxazoles Herbicidal 4-acyl-5-arylisoxazoles

C - Chemistry, Metallurgy

07

D

C07D 261/06 (2006.01) A01N 43/80 (2006.01) C07D 261/08 (2006.01) C07D 261/18 (2006.01) C07D 413/04 (2006.01)

Patent

CA 2074155

5-Aryl isoxazole derivatives of general formula (I): Image wherein: Ar represents phenyl optionally substituted substituted by one or more groups R2 or pyridyl substituted by one or more groups R2; R represents :- hydrogen, -CO2R3, -COR4, cyano, halogen, alkyl or haloalkyl; R1 represents :- alkyl, haloalkyl or cycloalkyl; R2 represents :- a halogen atom, R4, nitro, -CO2R3, -OR4, -S(O)m R4, -S(O)m R5, -O-(CH2)p-OR4 or an alkyl group substituted by -OR4; R3 and R4, which may be the same or different, each represent alkyl or haloalkyl; R5 represents optionally substituted phenyl; p represents an integer from 1 to 3; and m represents zero, 1 or 2; -the herbicidal properties of these derivatives and their application to crop protection is described.

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