5-chloro-3-[N-(2,2-dimethoxyethyl)-N-methyl(aminomethyl)]benzo[b]thiophene-2-carboxylic acid 、
重氮甲烷 在
氩 作用下,
以
Tetrahydrofurane dichloromethane 、
乙醚 为溶剂,
反应 2.0h,
以to give 5.0 g (96%) of methyl 5-chloro-3-[N-(2,2-dimethoxyethyl)-N-methyl(aminomethyl)]benzo[b]thiophene-2-carboxylate的产率得到methyl 5-chloro-3-[N-(2,2-dimethoxyethyl)-N-methyl(aminomethyl)]benzo[b]thiophene-2-carboxylate