Elsevier

Tetrahedron Letters

Volume 52, Issue 10, 9 March 2011, Pages 1112-1116
Tetrahedron Letters

A novel photochemical Wittig reaction for the synthesis of 2-aryl/alkylbenzofurans

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Abstract

The synthesis of 2-aryl/alkylbenzofurans has been achieved in high yields under photochemical conditions from readily accessible and suitably substituted phosphonium bromides by an intramolecular photochemical Wittig reaction onto aryloxycarbonyl groups.

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Acknowledgements

The authors wish to thank Professor D. W. Knight, Cardiff University, UK for constructive suggestions. Financial support to one of the authors (J.D.) from UGC, Govt. of India and CAS, Department of Chemistry, Jadavpur University is acknowledged.

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