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Δ 5, 7 -Steroids. VII. The Conversion of Δ 5, 7 - to Δ 5, 7, 9 -Steroidal Hormones

✍ Scribed by Antonucci, Rose; Bernstein, Seymour; Giancola, Dominic; Sax, Karl J.

Book ID: 118028018
Publisher: American Chemical Society
Year: 1951
Tongue: English
Weight: 493 KB
Volume: 16
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo50001a021

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## Abstract Cholesterin (Ia) geht bei der durch Hämatoporphyrin in Pyridin photosensibilisierten O~2~‐Übertragung zu 75% d. Th. in das tertiäre Δ^6^‐Cholesten‐3β‐ol‐5α‐hydroperoxyd (IIa) über. Dagegen liefert die entsprechende Photooxydation in Chloroform das neue Δ^5^‐Cholesten‐3β‐ol‐7α‐hydroperox