(Z)-6,7,8,9,10,12-Hexahydro-5aH-5-thia-12-aza-cycloocta[b]naphthalene-11-carboxylic acid ethyl ester 在
sodium tetrahydroborate 作用下,
以
溶剂黄146 为溶剂,
反应 0.5h,
生成
6,7,8,9,10,11,11a,12-octahydro-5aH-benzo[b]cycloocta[e][1,4]thiazine-11-carboxylic acid ethyl ester