5-碘吲哚醌 、
肌氨酸 、
穿心莲内酯 以
甲醇 为溶剂,
反应 0.25h,
以80%的产率得到(2'R,3R,4S)-4-hydroxy-4'-(((1R,4aS,5R,6R,8aS)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylenedecahydronaphthalen-1-yl)methyl)-5''-iodo-1'-methyl-4,5-dihydro-2H-dispiro[furan-3,3'-pyrrolidine-2',3''-indoline]-2,2''-dione