Ethyl 1-(4-bromophenyl)-5-[3-cyano-4-(4-methylanilino)pyridin-2-yl]oxy-2-methylindole-3-carboxylate 在
磺酰氯 作用下,
以
氯仿 、
苯 为溶剂,
反应 0.5h,
生成
Ethyl 1-(4-bromophenyl)-5-[3-cyano-4-(4-methylanilino)pyridin-2-yl]oxy-2-(diethylaminomethyl)indole-3-carboxylate