(+/-)-2R*,11bS*-3'-(4"-Chlorophenyl)-4'-imino-9,10-dimethoxy-1'-(3"',4"'-dimethoxyphenylethyl)-1,3,4,6,7,11b-hexahydrospiroquinolizin-2,5'-imidazolidin>-2'-one                                                                                                                                                              在
                                                                                                                                                                                 
盐酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 9.0h,
                                                                                                                以65%的产率得到(+/-)-2R
*,11bS
*-3'-(4"-Chlorophenyl)-9,10-dimethoxy-1'-(3"',4"'-dimethoxyphenylethyl)-1,3,4,6,7,11b-hexahydrospiro
quinolizin-2,5'-imidazolidine>-2',4'-dione hydrochloride