The first direct transformation of 2, 2′-dihydroxychalcones into coumestans

BI Kamara, EV Brandt, D Ferreira

Index: Kamara, B. Irene; Brandt, E. Vincent; Ferreira, Daneel Tetrahedron, 1999 , vol. 55, # 3 p. 861 - 868

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Citation Number: 23

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Three coumestans, flemichapparin, medicagol and sophoracoumestan B, are synthesised by direct reaction of the analogous 2,2′-dihydroxychalcones with thallium(III) nitrate in methanol. ... The coumestans, flemichapparin, medicagol and sophoracoumestan B are ...