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Vitamin D3 Metabolites I. Synthesis of 25-hydroxycholesterol

✍ Scribed by John J. Partridge; Stephanie Faber; Milan R. Uskoković

Publisher
John Wiley and Sons
Year
1974
Tongue
German
Weight
597 KB
Volume
57
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

25‐Hydroxycholesterin (4) ist in 30proz. Ausbeute in sieben Schritten aus Stigmasterin (6) hergestellt worden. Der wichtigste Schritt ist die Umsetzung des Tosylats 11 mit dem Acetylenderivat 13 zu 14 unter Bildung des vollständigen Cholesteringerüsts.

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