Formal syntheses of heliannuols A and D, allelochemicals from Helianthus annus

…, DR Bhowmik, RV Venkateswaran

Index: Tuhina, Kazi; Bhowmik, Dipal R.; Venkateswaran, Ramanathapuram V. Chemical Communications, 2002 , # 6 p. 634 - 635

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Citation Number: 22

Abstract

A synthesis of heliannuol A 1 is described involving hydrogenolysis of the cyclopropane fused benzoxepane compound 23 to generate the benzoxocane ring system of 1 and a fragmentation of methyl ether 25 furnished 4-methoxycurcuphenol 29, an advanced intermediate to heliannuol D 4.