PMID: 490036Jul 1, 1979Paper

Chemical synthesis of three 14 alpha-hydroxymethyl cholestenols.

Journal of Lipid Research
R A PascalG J Schroepfer

Abstract

Reported herein are chemical syntheses of 14 alpha-hydroxymethyl-5 alpha-cholest-8-en-3 beta-ol, 14 alpha-hydroxymethyl-5 alph-cholest-7-en-3 beta-ol, and 14 alpha-hydroxymethyl-5 alpha-cholest-6-en 3 beta-ol. These compounds were obtained in pure form after repeated medium-pressure column chromatography of the mixture obtained by treatment of 3 beta-acetoxy-7 alpha,32-epoxy-14 alpha-methyl-5 alpha-cholestane with pyridine hydrochloride in refluxing acetic anhydride followed by reduction with lithium aluminum hydride. The compounds were characterized by their chromatographic properties and by the results of infrared, optical rotation, nuclear magnetic resonance, and low and high resolution mass spectral studies.

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