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A novel photochemical 1,4-acyl migration in enol esters. The photolysis of enol acetates of 3-phenylpropiophenones

✍ Scribed by M Alvaro; V Baldoví; H García; M.A Miranda; J Primoa

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

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✍ José Alberto Vallet; José Boix; Juan-Julio Bonet; Marie Claire Briansó; Carlos M 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 German ⚖ 364 KB 👁 1 views

## Abstract The irradiation of 17β‐acetoxy‐4‐oxa‐1,5‐androstadien‐3‐one (**12**) yielded the two stereoisomeric spiro‐lactones **13** and **14**, which result from a di‐π‐methane photorearrangement. A third product, the oxa‐anthrasteroid **15**, was also isolated (__Scheme 3__).