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The photochemical rearrangement of a steroidal dienol triflate

✍ Scribed by Hsuan-Yin Lan-Hargest; John D. Elliott; Drake S. Eggleston; Brian W. Metcalf

Publisher
Elsevier Science
Year
1987
Tongue
French
Weight
318 KB
Volume
28
Category
Article
ISSN
0040-4039

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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.