Tetrahedron

Aryllead mediated synthesis of isoflavanone and isoflavone derivatives

DMX Donnelly, BM Fitzpatrick, BA O'Reilly, JP Finet

Index: Donnelly, Dervilla M. X.; Fitzpatrick, Brendan M.; O'Reilly, Bernadette A.; Finet, Jean-Pierre Tetrahedron, 1993 , vol. 49, # 36 p. 7967 - 7976

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Citation Number: 21

Abstract

The reaction of aryllead (IV) triacetates with 3-(phenylthio)-chroman-4-one and 2-p- methoxyphenyl-3-(phenylthio)-chroman-4-one derivatives was carried out in chloroform in presence of pyridine to afford moderate to quantitative yields of the corresponding hindered 3-aryl-3-phenylthiochroman-4-one derivatives. Removal of the phenylthio group by oxidation with dimethyldioxirane led to the corresponding isoflavones and 2-p- ...

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