8-[3-(4-Benzhydryl-piperazin-1-yl)-propyl]-2-methoxy-7-oxo-7,8-dihydro-6H-5-oxa-9-thia-benzocycloheptene-8-carboxylic acid methyl ester; hydrochloride 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 3.0h,
以33%的产率得到(7R,8R)-8-[3-(4-Benzhydryl-piperazin-1-yl)-propyl]-7-hydroxy-2-methoxy-7,8-dihydro-6H-5-oxa-9-thia-benzocycloheptene-8-carboxylic acid methyl ester