4-benzoyl isoxazole herbicides

C - Chemistry – Metallurgy – 07 – D

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Details

C07D 261/08 (2006.01) A01N 43/80 (2006.01) C07D 261/18 (2006.01)

Patent

CA 2088840

4-Benzoyl isoxazole derivatives of general formula (I): (See formula I) wherein R represents a hydrogen atom or a group -CO2R5; R1 represents methyl, isopropyl, cyclopropyl or 1-methylcyclopropyl; R2 represents -S(O)n R51; R3 represents a chlorine, bromine or fluorine atom, a straight- or branched- chain alkyl, alkoxy, haloalkyl or haloalkoxy group, an alkenyl group or a methyl or ethyl ester group; R4 represents a chlorine, bromine or fluorine atom; an alkyl, alkoxy haloalkyl, haloalkoxy, -S(O)p R53 or cyano group; R5 represents an alkyl or haloalkyl group; R51 and R53 independently represent an alkyl group, and n and p independently represent, zero, one or two, and their use as herbicides is described.

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