((1S,4aS)-7-Methoxy-4a-methyl-2-oxo-1,2,3,4,4a,9,10,10a-octahydro-phenanthren-1-yl)-acetic acid methyl ester                                                                                                                                                              在
                                                                                                                                                                                 lithium aluminium tetrahydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                                                        以0.9 g的产率得到2β-hydroxy-1α-(2-hydroxyethyl)-4aβ-methyl-7-methoxy-1,2,3,4,4a,9,10,10aα-octahydrophenanthrene