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  • Title: Preparation and characterization of (24R and 24S)-5beta-cholestane-3alpha,7alpha,24,25-tetrols and (24R and 24S)-5beta-cholestane-3alpha,24,25-triols.
    Author: Batta AK, Dayal B, Tint GS, Shefer S, Toome V, Salen G, Mosbach EH.
    Journal: Steroids; 1978 Jan; 31(1):99-111. PubMed ID: 663960.
    Abstract:
    (24R and 24S)-5beta-cholestane-3alpha,7alpha,24,25-tetrols were prepared by osmium tetroxide oxidation of 5beta-cholest-24-ene-3alpha,7alpha-diol. The resulting diastereomeric tetrols were separated by thin-layer chromatography, their purity ascertained by melting point, gas-liquid chromatography and mass spectra and their structural configurations were assigned by molecular rotation measurement and circular dichroism studies. In a similar fashion, the (24R and 24S)-5beta-cholestane-3alpha,24,25-triols were prepared and their structures identified.
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