Synthetic experiments in the benzopyrone series

JM Sehgal, TR Seshadri

Index: Sehgal; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1955 , # 42 p. 36,38, 39

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Citation Number: 13

Abstract

Summary Using N-bromosuccinimide, a synthesis of 7∶ 7′-dihydroxychromeno-(3∶′∶ 4′∶ 2∶ 3) chromone has been effected. 7∶ 2′∶ 4′-Triacetoxy-2-methyl isoflavone is brominated to give the 2-bromomethyl isoflavone which is cyclized, after hydrolysis, to the corresponding chromenochromone.