(2a(1)R,6aS,8R,9aR)methyl 2a(1)-methyl-8-((S)-1-((methylsulfonyl)oxy)propan-2-yl)-6-oxo-2,2a(1),4,5,6,6a,7,8,9,9a-decahydro-1H-cyclohepta[cd]indole-1-carboxylate 在
三甲基硅咪唑 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 20.0h,
以80%的产率得到(2R,3S,11S,11aR,11bR)-3,11a-dimethyl-3,4,6,8,9,11,11a,11b-octahydro-1H-2,11-methanocyclohepta[a]indolizin-10(2H)-one