二乙氨基乙醇 、
5-(2-ethoxycarbonyl-ethyl)-1,3,4,5-tetrahydro-thiopyrano[4,3-b]indole-8-carboxylic acid ethyl ester 在
sodium 作用下,
以
甲苯 为溶剂,
生成 5-(2-ethoxycarbonyl-ethyl)-1,3,4,5-tetrahydro-thiopyrano[4,3-
b]indole-8-carboxylic acid 2-diethylamino-ethyl ester