Structure of the photoproduct from the cycloadduct of 2,3-diphenyl-2,3-epoxy-1-indanone and dibenzoylacetylene

Ramaiah, D. ; Pearson, W. H. ; Das, P. K. ; George, M. V. (1992) Structure of the photoproduct from the cycloadduct of 2,3-diphenyl-2,3-epoxy-1-indanone and dibenzoylacetylene Research on Chemical Intermediates, 18 (2). pp. 105-113. ISSN 0922-6168

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Official URL: http://www.springerlink.com/content/f44q8m192420h2...

Related URL: http://dx.doi.org/10.1163/156856792X00254

Abstract

A single crystal x-ray analysis of the photoproduct, from the cycloadduct (1) of 2,3-dipheny1-2,3-epoxy-1-indanone and dibenzoylacetylene, has shown that its structure is 3,3a-dibenzoyl-3a,8b-dihydro-2, 8b-diphenylindeno[l,2-b]furan-4-one (8a) and not the earlier reported benzoxocinone structure (3a). Reasonable pathways for the formation of 8a and analogous products are presented.

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