PYRAZOLE COMPOUNDS, PROCESSES FOR THEIR PRODUCTION AND HERBICIDES CONTAINING THEM

摘要

A pyrazole compound of formula (I) or its salt wherein R1 is an alkyl group, R2 is a hydrogen atom, a methyl group, -A-R3, a phenyl group which may be substituted, a pyridyl group which may be substituted, or an allyl group which is substituted by a phenyl group, A is -SO2-, -CO-, -CH(R6)- or -CH(R7)CO-, R3 is an alkyl group which may be substituted, an alkenyl group which may be substituted, an alkynyl group which may be substituted, an alkoxy group which may be substituted, a cyano group, a dialkylamino group or a phenyl group which may be substituted, each of R6 and R7 is a hydrogen atom or an alkyl group, X is a hydrogen atom, a halogen atom, an alkyl group, a haloalkyl group, an alkoxy group, an alkylthio group, an alkylsulfinyl group, an alkylsulfonyl group, a nitro group, an alkoxycarbonyl group, -SO2N(R8)R9, -N(R10)SO2R11, -CH2S(O)qR12 or -OSO2R13, each of R8, R9, R10, R11, R12 and R13 is an alkyl group, Z is an alkyl group, 1 is an integer of from 0 to 5, n is an integer of from 1 to 5, and q is an integer of from 0 to 2, provided that when 1 is at least 2, a plurality of Z may be the same or different, and when n is at least 2, a plurality of X may be the same or different.