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Photoinduced reactions. LXII. Photochemical reaction of α-nitroepoxides

✍ Scribed by I. Saito; M. Takami; T. Konoike; T. Matsuura

Publisher: Elsevier Science
Year: 1972
Tongue: French
Weight: 138 KB
Volume: 13
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)84908-x

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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.