4-TRIFLUOROMETHYLPYRIDINE DERIVATIVE AND PROCESS FOR PRODUCTING THE SAME

摘要

A 4-trifluoromethylpyridine derivative represented by general formula (I) and useful as a herbicide wherein X represents halogen, hydrogen, hydrogen or lower alkoxy; R<1> represents hydrogen or lower alkoxycarbonyl; and R<2> represents lower alkanesulfonyl, benzenesulfonyl or -CO-R<3>, wherein R<3> represents alkyl, haloalkyl, lower-alkoxy-substituted lower alkyl, lower-alkoxycarbonyl-substituted lower alkyl, carboxyl-substituted lower alkyl, cycloalkyl, phenyl (which may be substituted by one to five lower alkyl, halogen, trifluoromethyl, nitro, cyano or lower alkoxy groups), pyridyl, furyl, thienyl, amino or di(lower alkyl)amino.