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Steroids and Walden inversion. Part LXVIII. A re-examination of the substitution reactions of the 5?-cholestan-3-ols

✍ Scribed by Shoppee, C. W.; Coll, J. C.

Book ID: 120609914
Publisher: The Royal Society of Chemistry
Year: 1970
Tongue: English
Weight: 307 KB
Volume: 0
Category: Article
ISSN: 0022-4952
DOI: 10.1039/J39700001124

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## Abstract Diastereomeric [(3__S__)‐5α]‐ and [(3__R__)‐5α]‐2′,2′‐dichlorospiro‐[cholestane‐3,1′‐cyclobutan]‐3′‐ones (1 and 2), prepared by cycloaddition reaction of dichloroketene with 3‐methylene‐5α‐cholestane, served as starting material for the synthesis of the related spirane derivatives. Thus