(1S,2R,3aR,5R,7aR,8S)-2-((S)-4-Benzyloxy-1-methyl-butyl)-7a-hydroxy-8-methoxymethoxy-octahydro-1,5-methano-inden-4-one                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                                                                                                                            以98%的产率得到(1R,2S,4S,5S,8R)-2-((R)-4-Benzyloxy-1-methyl-butyl)-8-methoxymethoxy-octahydro-1,5-methano-indene-4,7a-diol