4-benzoyl isoxazoles derivatives and their use as herbicides

Details 4-benzoyl isoxazoles derivatives and their use as herbicides 4-benzoyl isoxazoles derivatives and their use as herbicides

C - Chemistry, Metallurgy

07

D

C07D 261/06 (2006.01) A01N 43/72 (2006.01) A01N 43/80 (2006.01) A01N 51/00 (2006.01) C07D 261/08 (2006.01) C07D 261/18 (2006.01) C07D 413/02 (2006.01)

Patent

CA 2150922

4 Benzoylisoxazole derivatives of formula(I), wherein R represents hydrogen or ester; R1 , alkyl, haloalkyl or optionally substituted cycloalkyl; R2 represents halogen, optionally halogenated alkyl, alkenyl or alkynyl; alkyl substituted by one or more groups -OR5; nitro, cyano, -CO2R5,-S(O)pR6,-O(CH2)mOR5, -COR5,-NR5R6,-N(R8)SOqR7,-CONR9R10 or -OR51; optionally substituted phenyl; R3 represents -S(O)qR7; X represents -N(R8)-; n represents zero or an integer from one to four, R5, R51 and R6 independently represent hydrogen, optionally halogenate alkyl, alkenyl or alkynyl; optionally substituted phenyl; or cycloalky; R7 represents alkyl, alkenyl or alkynyl optionally substituted by halogens; cycloalkyl; optionally substituted phenyl; or amino; R8 hydrogen; alkyl, alkenyl or alkynyl optionally substituted by halogens; cycloalkyl; optionally substituted phenyl; or alkoxy; m is 1, 2 or 3; p is 0, 1 or 2; and q is zero or two; and their use as herbicides is describe.

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