3-Pyridinecarboxylic acid, 6-(difluoromethyl)-4-ethyl-5-isocyanato-2-(trifluoromethyl)-,ethyl ester 在
乙硫醇 作用下,
以
二氯甲烷 为溶剂,
以4.63 g (90%)的产率得到3-Pyridinecarboxylic acid, 6-(difluoromethyl)-4-ethyl-5-{[(ethylthio)carbonyl]amino}-2-(trifluoromethyl)-,ethyl ester