(RS)-3-<(RS)-4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhex-1-yl>-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinoline 、
盐酸 、
乙醚 在
ether-isopropanol 作用下,
以
异丙醇 为溶剂,
反应 16.0h,
以to yield 3-[4-(3,4-dimethoxyphenyl)-4-isopropyl-4-cyanobutyl]-6,7-dimethoxy-N-methyl-1,2,3,4-tetrahydroisoquinoline·HCl (1·HCl, 13.7 g, m.p. 115°-120° C.) as a white powder的产率得到(RS)-3-<(RS)-4-cyano-4-(3,4-dimethoxyphenyl)-5-methylhex-1-yl>-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinoline hydrochloride