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Photochemical Rearrangement of a Steroidal α, β-Epoxylactam. Photochemical reactions, XII [1]

✍ Scribed by Antonio Cánovas; Juan-Julio Bonet

Publisher
John Wiley and Sons
Year
1980
Tongue
German
Weight
142 KB
Volume
63
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The UV. irradiation of 17β‐hydroxy‐4α, 5α‐epoxy‐2‐azaandrostan‐3‐one (1) yields 17β‐hydroxy‐2‐aza‐10 (5 → 4‐abeo)‐4ζ (H)‐androsta‐3,5‐dione (3).

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Photochemical Rearrangement of a Steroid
Photochemical Rearrangement of a Steroidal α,β-Epoxylactone. Photochemical reactions, XI [1]
✍ María Jesús Caus; Antonio Cánovas; Juan-Julio Bonet 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 German ⚖ 284 KB

## Abstract The UV. irradiation of 17β‐acetoxy‐4α, 5α‐epoxy‐2‐oxaandrostan‐3‐one (**7**) yields 17β‐acetoxy‐2‐oxa‐10(5 → 4)__abeo__‐4ζ (H)‐androsta‐3,5‐dione (**11**). A non‐photochemical synthesis of **11**, proceeding in lower yield, is also described.

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✍ S. Domb; K. Schaffner 📂 Article 📅 1970 🏛 John Wiley and Sons 🌐 German ⚖ 461 KB

## Abstract In einer vorangehenden Arbeit [2] wurde gezeigt, dass sich das triplettangeregte α, β‐ungesättigte δ‐Diketon **1** in die beiden stereoisomeren Cyclopropyl‐diketone **2** und **3** umlagert. Neue Resultate vermitteln nun einen näheren Einblick in die mechanistischen Aspekte dieser Photo