The Synthesis of 4′, 5, 7-Trihydroxy-8-methoxyisoflavone

Y Kawase, Y Fujino, Y Ichioka, K Fukui

Index: Kawase et al. Bulletin of the Chemical Society of Japan, 1957 , vol. 30, p. 689

Full Text: HTML

Citation Number: 5

Abstract

2, 5-Dimethoxyresorcinol (IX) was condensed with¿-hydroxyphenylacetonitrile by Hoesch reaction to give 2, 4-dihydroxy-3, 6-dimethoxyphenyl 4-hydroxybenzyl ketone (X), mp 98— 9.5. This ketone (X) was converted into 4', 7-dihydroxy-5, 8-dimethoxyisoflavone (XI) with ethyl for-