Summary
Very efficient procedures for separation by TLC in mild conditions of fifteen alkaloids of the Rauwolfia, Corynanthe, Pseudocinchona group are described. Questions relating to the appaent selectivity of separation systems and separation factors in polar or very polar neutral or acidic mobile phases are discussed.
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Proportions in solvents mixtures are v/v except where otherwise indicated. Abbreviations: TLC=thin-layer chromatography, RCP=Rauwolfia, Corynanthe and Pseudocinchona; other abbreviations: see formulaes and Fig. 1.
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Le Xuan, P., Munier, R.L. & Meunier, S. Two-dimensional separations and behaviour of Rauwolfia, Corynanthe and Pseudocinchona alkaloids on unmodified silica gel. Chromatographia 13, 693–697 (1980). https://doi.org/10.1007/BF02303439
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DOI: https://doi.org/10.1007/BF02303439