2-tert-butyl 1-methyl 6,7-dimethoxy-1-phenyl-3,4-dihydroisoquinoline-1,2(1H)-dicarboxylate 在
Beckman system fitted with a Lux × 3u cellulose-1 (250 mm × 4.60 mm i.d.) 作用下,
以
正己烷 、
异丙醇 为溶剂,
生成 2-tert-butyl 1-methyl (1S)-6,7-dimethoxy-1-phenyl-3,4-dihydroisoquinoline-1,2(1H)-dicarboxylate 、 2-tert-butyl 1-methyl (1R)-6,7-dimethoxy-1-phenyl-3,4-dihydroisoquinoline-1,2(1H)-dicarboxylate