ethyl (6aR,6bS,8aS,12aS,12bR)-10-(3-ethoxy-3-oxopropanamido)-6a,8a-dimethyl-4-oxo-2,4,5,6,6a,6b,7,8,8a,12,12a,12b-dodecahydro-1H-naphtho[2',1':4,5]indeno[2,1-b]thiophene-9-carboxylate 在
三乙胺 作用下,
以
乙醇 为溶剂,
反应 6.0h,
生成 (6aR,6bS,8aS,14aS,14bR)-ethyl 9-hydroxy-6a,8a-dimethyl-4,11-dioxo-2,4,5,6,6a,6b,7,8,8a,11,12,14,14a,14b-tetradecahydro-1H-naphtho[2'',1'':4',5']indeno[1',2':4,5]thieno[2,3-b]pyridine-10-carboxylate