(+/-)-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