4-(3-bromo-5-methoxy-9H-thioxanthen-9-yl)-piperidine 、
二碳酸二叔丁酯 、
sodium hydroxide 在
4-(3-bromo-5-methoxy-9H-thioxanthen-9-yl)-piperidine-1-carboxylic acid tert-butyl ester 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
以yielding 1.4 g (37.2%) of title compound 4-(3-bromo-5-methoxy-9H-thioxanthen-9-yl)-piperidine-1-carboxylic acid tert-butyl ester, 7q的产率得到4-(3-bromo-5-methoxy-9H-thioxanthen-9-yl)-piperidine-1-carboxylic acid tert-butyl ester