Tetramethylguanidine-[bmim][BF4]. An Efficient and Recyclable Catalytic System for One-Pot Synthesis of 4H-Pyrans

Tetramethylguanidine-[bmim][BF4]. An Efficient and Recyclable Catalytic System for One-Pot Synthesis of 4H-Pyrans

A clean and efficient method for the synthesis of 4H-pyran derivatives through the one-pot condensation of aromatic aldehydes, malononitriles, and β-dicarbonyl compounds, using guanidine base tetramethylguanidine in [bmim][BF4] ionic liquid as a recyclable catalytic system, was described.

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Bibliographische Detailangaben
Veröffentlicht in:Monatshefte für Chemie 2005-05, Vol.136 (5), p.727-731
Hauptverfasser: Peng, Yanqing, Song, Gonghua, Huang, Feifei
Format: Artikel
Sprache:eng
Schlagworte:
Aldehydes
Carbonyl compounds
Chemical synthesis
Ionic liquids
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Beschreibung
Zusammenfassung:A clean and efficient method for the synthesis of 4H-pyran derivatives through the one-pot condensation of aromatic aldehydes, malononitriles, and β-dicarbonyl compounds, using guanidine base tetramethylguanidine in [bmim][BF4] ionic liquid as a recyclable catalytic system, was described.
ISSN:0026-9247
1434-4475
DOI:10.1007/s00706-004-0270-y