C
29H
28N
4O
5 在
dirhodium(II) tetrakis[N-tetrachlorophthaloyl-(S)-tert-leucinate] bis(ethylacetate) 作用下,
以
三氟甲苯 为溶剂,
反应 1.08h,
以48%的产率得到spiro[endo-1-allyl-9,11a-epoxy-8-methyl-9-(2-phenylethoxy)carbonyl-2,3,8,8a,9,10,11,11a-octahydro-1H-pyrrolo[2,3-d]carbazole-2,10-dione-11,1'-cyclopropane]