Journal of the American Chemical Society

The Isolation and Identification of 3-Methyl-6-methoxy-8-hydroxy-3, 4-dihydroisocoumarin from Carrots1

E Sondheimer

Index: Sondheimer Journal of the American Chemical Society, 1957 , vol. 79, p. 5036,5038

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Citation Number: 125

Abstract

Extraction of bitter carrots with hexane yielded a colorless, optically active, crystalline substance, CIIHI~ O~,(I). The substance is a lactone with one phenolic, one methoxyl and one C-methyl group. Infrared absorption data indicated 313 8-hydroxy-3, 4- dihydroisocoumarin derivative. The methyl ether of I gives a positive iodoform test and is oxidized by alka-line permanganate to 3, 5-dimethoxyphthalic acid. Potassium hydroxide ...