6,7-dimethoxy-1-(4-(trifluoromethyl)phenethyl)-1,2,3,4-tetrahydroisoquinoline 、
(2R.3R)-2'-Chlor-tartranilsaeure 以
乙醇 为溶剂,
以86%的产率得到(R)-6,7-dimethoxy-1-[2-(4-trifluoromethyl-phenyl)-ethyl]-1,2,3,4-tetrahydro-isoquinoline (2R,3R)-N-(2-chloro-phenyl)-2,3-dihydroxy-succinamic salt