(+/-)-(2R*,11bS*)-4'-imino-9,10-dimethoxy-1,3,4,6,7,11b-hexahydrospiroquinolizin-2,5'-oxazolidin>-2'-one 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以76%的产率得到(+/-)-(2R*,11bS*)-9,10-dimethoxy-1,3,4,6,7,11b-hexahydrospiro
quinolizin-2,5'-oxazolidine>-2',4'-dione hydrochloride