Article ID Journal Published Year Pages File Type
5222476 Tetrahedron 2009 6 Pages PDF
Abstract

The syntheses of various substituted phenols from pyranone precursors, namely 4H-pyran-4-one, 3-(benzyloxy)-2-methyl-4H-pyran-4-one (benzyl-maltol), 2,6-dimethyl-4H-pyran-4-one and diethyl 4-oxo-4H-pyran-2,6-dicarboxylate (diethyl chelidonate) are presented. A variety of pronucleophiles were used in combination with tert-butanol as solvent and potassium tert-butoxide as base, using conventional heating methods and microwave conditions.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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