3-(CYANOPHENYL)-PYRAZOLE DERIVATIVES AS HERBICIDES

摘要

Compounds of formula (I) where R<1> is alkyl, alkenyl, alkynyl, benzyl, cycloalkyl, or cycloalkenyl all of which may be optionally substituted; R<2> is haloalkoxy; R<3> is halo; X is CN; each Y is independently halo, CN, NO2, OH, NRR, SO2-halo, SO2NRR CONRR, NRSO2R or heterocyclyl; or alkyl, O-alkyl, S-alkyl, alkyl-O-alkyl, SO2-alkyl, CO2R, alkyl-CO2R, O-alkyl-CO2R or S-alkyl-CO2R, any of which may optionally be substituted; or two Y groups together form a further ring; m is 0-4; R, R and R are each independently H or optionally substituted lower alkyl; and R is optionally substituted lower alkyl; are useful as herbicides.