氰化钠 、
rac-methyl (3aR,3a1R,12bS)-3a-(2-ethoxy-2-oxoethyl)-7-ethyl-10,11-dimethoxy-2,3,3a,3a1,7,8,13,14-octahydro-1H,4H-indolizino[8,1-cd][1,4]oxazino[2,3,4-jk]carbazole-5-carboxylate 以
六甲基磷酰三胺 为溶剂,
反应 102.0h,
以57%的产率得到rac-ethyl 2-((3aR,3a1R,12bS)-5a-cyano-7-ethyl-10,11-dimethoxy-2,3,5,5a,7,8,13,14-octahydro-1H,4H-indolizino[8,1-cd][1,4]oxazino[2,3,4-jk]carbazol-3a(3a1H)-yl)acetate