4a-Ethyl-11-vinyl-3,4,4a,5-tetrahydro-2H-pyrido[2',3':3,4]pyrrolo[1,2-a]indole; compound with perchloric acid                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以71.2%的产率得到(4aS,11bR)-4a-Ethyl-11-vinyl-1,3,4,4a,5,11b-hexahydro-2H-pyrido[2',3':3,4]pyrrolo[1,2-a]indole