3-[4-(8-Chloro-11H-10-oxa-1-aza-dibenzo[a,d]cyclohepten-5-ylidene)-piperidin-1-yl]-propionic acid ethyl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
以42%的产率得到3-[4-(8-Chloro-11H-10-oxa-1-aza-dibenzo[a,d]cyclohepten-5-ylidene)-piperidin-1-yl]-propionic acid