在
盐酸 作用下,
以
乙醚 、
二氯甲烷 为溶剂,
生成
(2R,3S,11bS)-methyl 2-(3,4-dichlorophenyl)-2,3,4,6,7,11b-hexahydro-9,10-dimethoxy-4-oxo-1H-pyrido[2,1-a]isoquinoline-3-carboxylate 、 (2R,3S,11bR)-methyl 2-(3,4-dichlorophenyl)-2,3,4,6,7,11b-hexahydro-9,10-dimethoxy-4-oxo-1H-pyrido[2,1-a]isoquinoline-3-carboxylate