(R)-6-((1aS,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-Methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-3-oxo-heptanoic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
咪唑   、                                                                                                  lithium aluminium tetrahydride   、                                                                                                  
potassium tert-butylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 28.5h,
                                                                                                                生成                                                 
(R)-1-(tert-Butyl-dimethyl-silanyloxy)-6-((1aS,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-methyl-heptan-3-ol