(4S,5S,6S,7S,8S,E)-ethyl-9-(benzyloxy)-5-(tert-butyldimethylsilyloxy)-7-(4-methoxybenzyloxy)-4,6,8-trimethylnon-2-enoate                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate   、                                                                                                  nickel(II) chloride hexahydrate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以88%的产率得到(4S,5S,6S,7S,8S)-ethyl 9-(benzyloxy)-5-(tert-butyldimethylsilyloxy)-7-(4-methoxybenzyloxy)-4,6,8-trimethylnonanoate