4H,8H-Pyrano[2,3-f]chromene-4,8-diones as versatile precursors for the synthesis of 6-(1,2-oxazol-5-yl)-2H-chromene-2-ones

4H,8H-Pyrano[2,3-f]chromene-4,8-diones as versatile precursors for the synthesis of 6-(1,2-oxazol-5-yl)-2H-chromene-2-ones

An efficient and versatile synthesis of 3-azolyl-6-(1,2-oxazol-5-yl)-2 H -chromene-2-ones using a Knoevenagel reaction and subsequent cleavage with hydroxylamine hydrochloride is described. Graphical abstract

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Veröffentlicht in:Monatshefte für Chemie 2013-02, Vol.144 (2), p.217-222
Hauptverfasser: Lozinski, Oleg A., Shokol, Tatyana V., Khilya, Vladimir P.
Format: Artikel
Sprache:eng
Schlagworte:
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Inorganic Chemistry
Organic Chemistry
Original Paper
Physical Chemistry
Theoretical and Computational Chemistry
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Zusammenfassung:An efficient and versatile synthesis of 3-azolyl-6-(1,2-oxazol-5-yl)-2 H -chromene-2-ones using a Knoevenagel reaction and subsequent cleavage with hydroxylamine hydrochloride is described. Graphical abstract
ISSN:0026-9247
1434-4475
DOI:10.1007/s00706-012-0844-z