Summary
The enantiomers of eightO,O-dialkyl-2-benzyloxycarbonylaminoarylmethyl phosphonates have been directly separated on a tris(3,5-dimethylphenylcarbamate) cellulose column. The results are very different from those obtained by separation on anN-(3,5-dinitrobenzoyl)leucine (DNBleu) column. The effect of mobile phase composition and column temperature on retention and enantioselectivity were investigated. The effect on chiral separation of the length of, and steric hindrance by, alkoxyl groups of the phosphonate ester and of the nature of the substitutentsp-Cl andp-H on the benzene ring attached to the chiral carbon atom are also discussed.
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Yang, GS., Zhou, L., Wei, D. et al. Effect of the structure of organic phosphonate compounds on chiral separations on derivatized cellulose chiral stationary phase. Chromatographia 56, 143–145 (2002). https://doi.org/10.1007/BF02493202
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DOI: https://doi.org/10.1007/BF02493202