Helvetica Chimica Acta

Farbstoffsensibilisierte Photoreaktionen von vinylogen Epoxycarbonylverbindungen

W Skorianetz, G Ohloff

Index: Skorianetz,W.; Ohloff,G. Helvetica Chimica Acta, 1973 , vol. 56, p. 2151 - 2166

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Citation Number: 8

Abstract

Abstract On irradiation in the presence of dye sensitizers, vinylogous epoxy carbonyl compounds undergo a novel photofragmentation reaction, to give furyl ketones in good yields. The fragmentation process is probably preceded by trans-cis isomerization of the double bond; in one case the cis-isomer could be isolated. In a side reaction epoxyenone 10 gives the cyclopentanone derivatives 13 and 14 by a [1, 2] shift of a methyl group.