The enantiomers of 1-phenyl-1,2,3,4-tetrahydroisoquinoline have been directly separated on polysaccharide-based chiral stationary phases (CSPs). The normal phase separation of (S)-and (R)-1-phenyl-1,2,3,4-tetrahydroisoquinoline was accomplished by screening of the immobilized Chiralpak IC column with different eluents. The effect of mobile phase type on retention, selectivity and resolution was studied. 2-Propanol or ethanol/n-hexane/ ethanolamine mixtures were applied as mobile phases by screening of following polysaccharide-based immobilized (Chiralpak IA, Chiralpak IC) and coated (Lux Cellulose-1, Lux Cellulose-2, Lux Amylose-2) CSPs. Polar organic and reversed-phase conditions were also tested for direct enantioseparation of 1-phenyl-1,2,3,4-tetrahydroisoquinoline.
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