(6S,11R,11aR,E)-9-ethylidene-11-(hydroxymethyl)-6,8,9,10,11,11a-hexahydro-6,10-methanoindolo[3,2-b]quinolizin-12(5H)-one                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate   、                                                                                                  cerium(III) chloride heptahydrate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以90%的产率得到(6S,11R,11aR,12R,E)-9-ethylidene-11-(hydroxymethyl)-5,6,8,9,10,11,11a,12-octahydro-6,10-methanoindolo[3,2-b]quinolizin-12-ol