(-)-18-iodo-criocerine 在
tin 、
溶剂黄146 作用下,
反应 0.08h,
以83%的产率得到(-)-19'α-(18,19-dehydro-14α-carbomethoxy-14,17-epoxy-14,15-dihydroeburnamenine-(3α,14β,17β)-18-yl)-17',18'-epoxy-14'β-hydroxy-14',15'-dihydro-eburnamenine-(3'α,16'α)-14'α-carboxylic acid methyl ester