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Photochemical Rearrangement of a Steroidal α,β‐Epoxylactone . Photochemical reactions, XI [1]
Author(s) -
Caus María Jesús,
Cánovas Antonio,
Bonet JuanJulio
Publication year - 1980
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19800630218
Subject(s) - chemistry , photochemistry , yield (engineering) , irradiation , physics , materials science , metallurgy , nuclear physics
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.