Chemical Reviews

Isocoumarins. Developments since 1950

RD Barry

Index: Kitagawa; Iwaki Yakugaku Zasshi, 1958 , vol. 78, p. 491 Chem.Abstr., 1958 , p. 18874

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Citation Number: 193

Abstract

... Diisochromanyl ether (XXI) can be converted to 3,P dihydroisocoumarin in 41% yield by treatment with aqueous sulfuric acid, 9.5% yield with hydrobromic acid, and 12.7% yield with hydrochloric acid (150). ... P\ CH3 CH3 XXVI XWII Q ++O product. ...