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Synthesis of trans-Fused Oxabicyclo[5.2.0]nonan-2-ones via [2+2] Photocycloaddition of Oxepinones to Conjugated Alkenes

✍ Scribed by Kerstin Schmidt; Paul Margaretha

Publisher
John Wiley and Sons
Year
2011
Tongue
German
Weight
150 KB
Volume
94
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

On irradiation (350 nm) in the presence of 2,3‐dimethylbuta‐1,3‐diene, benzoxepinone 2 and dioxepinone 3 were converted regio‐ and diastereoselectively to trans‐fused oxabicyclo[5.2.0]nonanones 5 and 9, respectively.

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