Chemistry Letters

A Remarkably Efficient Photochemical Methodology for Endo to Exo Isomerization of Diels-Alder Cycloadducts.

…, AA Athawale, RS Reddy, PV Dalvi, P Kumar

Index: Pandey, Bipin; Athawale, Asawari A.; Reddy, Ravinder S.; Dalvi, Pramod V.; Kumar, Pradeep Chemistry Letters, 1991 , # 7 p. 1173 - 1176

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Citation Number: 7

Abstract

Irradiation of a solution of ethanol containing Diels–Alder cycloadducts and 10–20%(by volume) triethylamine at 300 nm furnishes quantitative yield (> 90%) of corresponding exo isomers. A probable mechanism based on photo-induced electron transfer (PET) has been described.