(3R,3aS,5aR,6R,7R,8aS,8bR)-3-(2,2-Dimethoxy-ethyl)-6-ethyl-7-methyl-3,3a,5a,6,7,8,8a,8b-octahydro-as-indacene-2-carbaldehyde 在
hydrido(triphenylphosphine)copper(I) hexamer 、
水 作用下,
以
苯 为溶剂,
生成 (2S,3R,3aS,5aR,6R,7R,8aR,8bR)-3-(2,2-Dimethoxy-ethyl)-6-ethyl-7-methyl-1,2,3,3a,5a,6,7,8,8a,8b-decahydro-as-indacene-2-carbaldehyde 、
(2R,3R,3aS,5aS,6R,7R,8aR,8bR)-3-(2,2-dimethoxyethyl)-6-ethyl-7-methyl-1,2,3,3a,5a,6,7,8,8a,8b-decahydro-as-indacene-2-carbaldehyde