1-(2,4-dichlorophenyl)-5-(4-hydroxyphenyl)-4-methyl-1H-pyrazole-3-carboxylic acid (5-trifluoromethyl-pyridin-2-yl)-amide 、
二氯二甲基硅烷 在
咪唑 作用下,
以
二氯甲烷 为溶剂,
以92%的产率得到5-[4-(tert-butyldimethylsilanyloxy)phenyl]-l-(2,4-dichlorophenyl)-4-methyl-1H-pyrazole-3-carboxylic acid (5-trifluoromethylpyridin-2-yl)amide