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Photochemical Rearrangement and Trapping Reactions of 4-Pyrones

✍ Scribed by Frederick G. West

Publisher
John Wiley and Sons
Year
2004
Weight
48 KB
Volume
35
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

For Abstract see ChemInform Abstract in Full Text.

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## 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.