Thin-layer chromatography of cyclodextrins and some other sugars using micro-chromatoplates

N. Wiedenhof

    Research output: Contribution to journalArticleAcademicpeer-review

    16 Citations (Scopus)

    Abstract

    The a- (I) and b-cyclodextrins (II) were sepd. on micro-chromatoplates (Peifer, CA 57, 1511g). Adsorbents were Kiesel-G \"Merck\" (A) and Alusil layers (B) (25 g. each A and Al2O3-G \"Merck\" in 2:1 CHCl3-MeOH). The best solvents were 6:3:1:2:4 BuOH-HOAc-H2O-C5H5N-HCONMe2 (C) and 6:3:1 BuOH-HOAc-H2O (D). The indicator spray was a mixt. of 10 ml. H2SO4, 20 ml. H2O, and 3 g. K2Cr2O7. The Rf values of I and II, resp., on A with C are 0.0 and 0.5; similar values are found on B with C, but the spots are less sharp. I, II, glucose, and maltose were sepd. on A by development first with solvent D, allowing D to reach the end of the adsorbent, letting stand 4 min., vaporization of D, then development with solvent C.
    Original languageEnglish
    Pages (from-to)100-102
    Number of pages3
    JournalJournal of Chromatography
    Volume15
    Issue number1
    DOIs
    Publication statusPublished - 1964

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