Tetrahedron letters

Synthese de trihydroxyphenacylidenetriphenylphosphoranes une nouvelle voie d'acces aux dihydroxyflavones (chrysine, acacetine…)

Y Le Floc'h, M Lefeuvre

文献索引：Le Floc'H, Yves; Lefeuvre, Martine Tetrahedron Letters, 1986 , vol. 27, # 45 p. 5503 - 5504

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被引用次数: 14

摘要

Résumé An easy and convenient synthesis of two new trihydroxyphenacylidentriphenylphosphoran... from phloroglucinal and pyrogallol is described. Some dihydroxyflavones are prepared by acylation of these ylids, intramolecular olefination and saponification of the two remaining ester groups.