(1aS,3aR,4R,7aR,7bR,9aS)-9a-Isopropyl-4,7a-dimethyl-1a,3,3a,4,5,6,7,7a,7b,8,9,9a-dodecahydro-1-oxa-cyclopropa[a]phenanthrene-4-carboxylic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以60%的产率得到(2R,4aS,4bR,8R,8aR)-8-Hydroxymethyl-2-isopropyl-4b,8-dimethyl-1,2,3,4,4a,4b,5,6,7,8,8a,9-dodecahydro-phenanthren-2-ol