4,5α-epoxy-15-hydroxyimino-7α-(1-hydroxy-1-methyl-ethyl)-3,6-dimethoxy-17-methyl-6α,14α-ethano-morphin-16-enium; chloride 在
sodium tetrahydroborate 、
氨 作用下,
以
吡啶 、
乙醇 为溶剂,
生成
4,5α-epoxy-7α-(1-hydroxy-1-methyl-ethyl)-3,6-dimethoxy-17-methyl-6α,14α-ethano-morphinan-15-one (Z)-O-acetyl-oxime