SYNTHESE DE TRIHYDROXYPHENACYLIDENETRIPHENYLPHOSPHORANES UNE NOUVELLE VOIE D'ACCES AUX DIHYDROXYFLAVONES (CHRYSINE, ACACETINE...)

DOI: 10.1016/S0040-4039(00)85249-1

Source and publish data:

Tetrahedron Letters p. 5503 - 5504 (1986)

Update date:2022-08-05

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Authors:

Le Floc'H, Yves

Lefeuvre, Martine

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Article abstract of DOI:10.1016/S0040-4039(00)85249-1

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

Full text of DOI:10.1016/S0040-4039(00)85249-1

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