Photochemical reactions of 2-pyrone and thermal reactions of the 2-pyrone photoproducts

WH Pirkle, LH McKendry

Index: Pirkle,W.H.; McKendry,L.H. Journal of the American Chemical Society, 1969 , vol. 91, p. 1179 - 1186

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Citation Number: 42

Abstract

Abstract: Direct irradiation of ethereal 2-pyrone leads to bicyclo [2.2. 0] pyran-2-one (4) or, in the presence of 10 added methanol, methyl trans-4-formyl-3-butenoate (5). Lactone 4 reacts thermally with methanol to yield 5-methoxy-2-cis-4-trans-pentadienoic acid (7), ...