SELECTIVE HERBICIDE COMPRISING BENZOYLPYRAZOLE DERIVATIVES AS ACTIVE INGREDIENT AND PROCESS FOR PRODUCING THE ACTIVE INGREDIENT

摘要

A pyrazole derivative of the formula I wherein A is C1-C4 alkyl, C2-C4 alkenyl or C2-C4 alkynyl; B is hydrogen, C1-C3 alkyl, halogen, C1-C3 haloalkyl, C1-C3 alkoxy, C1-C3 alkylthio, C2-C4 alkoxyalkyl, C2-C4 alkylthioalkyl or C2-C4 alkoxycarbonyl; X is C1-C6 alkyl, C1-C6 alkoxy, halogen, nitro, cyano, etc.; Y is -OR<1> (wherein R<1> is C3-C8 cycloalkyl, etc), -O-L-O-R<1> (wherein L is C1-C6 alkylene which may be substituted by C1-C3 alkyl), -O-L-OH, -O-L-O-L-O-R<2> (wherein R<2> is hydrogen, C1-C6 alkyl group, etc.), -O-L-R<3> (wherein R<3> is phenyl which may be substituted by C1-C3 alkyl, etc.), -O-M (wherein M is a 3- to 6-membered alicyclic group), -O-L-M, -O-L-NR<4>R<5> (wherein each of R<4> and R<5> is hydrogen or C1-C6 alkyl, or R<4> and R<5> form a ring together with the adjacent nitrogen atom), -O-L-COOR<4>, -O-CH=CH-COOR<4>, -O-L-CN, -O-L-C(O)-R<2>, -O-L-S(O)n-R<4> (wherein n is an integer of from 0 to 2), -O-COOR<4>, -O-CONR<4>R<5>, -OP(O)(OR<4>)2, -S(O)nR<1>, or -S(O)n-L-O-R<1>; Z is halogen, nitro, C1-C3 alkoxy, etc.; V is hydrogen, halogen, C1-C4 alkyl or C1-C4 alkoxy; W is hydrogen, halogen, C1-C4 alkyl, etc.; Q is hydrogen, C1-C6 alkyl which may be substituted by halogen, ... -C(O)-R<7> (wherein R<7> is phenyl which may be substituted), -S(O)2R<7>, -P(O)(OR<7>)2, -L-C-(O)-R<7>, -L-C(O)-N(R<8>)(R<9>) (wherein each of R<8> and R<9> is hydrogenor C1-C6 alkyl), -L-R<1><0> (wherein R<1><0> is phenyl group may be substituted, C1-C6 alkyl, C1-C6 alkoxy, or hydroxyl), -L-N(R<8>)(R<9>), -L-OR<1><1> (wherein R<1><1> is hydrogen, C1-C6 alkyl, or C1-C6 alkenyl), -L-OC(O)R<1><2> (wherein R<1><2> is C1-C6 alkyl or C1-C6 alkoxy), -L-S(O)nR<1><1>, -L-SC(O)R<8>, (wherein each of L1 and L2 is methylene, oxygen or sulfur, R<1><2> is hydrogen or C1-C3 alkyl, and m is 2 or 3); and a salt thereof.