Ammonium-type Basic Ionic Liquid; 2-(2-Hydroxyethoxy)ethaneammonium Formate: Promote Green and Efficient Multicomponent Tandem Synthesis of 4H-pyrans and 4H-chromenes

Document Type : Full Paper

Authors

1 Department of Chemistry, Faculty of Sciences, University Of Kurdistan, Sanandaj, Iran

2 Department of Chemistry, College of Science, University of Kurdistan, Sanandaj 66177-15143, Iran

3 University of Kurdistan

Abstract

A facile, convenient, green and environmentally benign one-pot three-component synthesis of poly-functionalized 4H-pyrans and 4H-chromenes is described. A basic ionic liquid 2-(2-hydroxyethoxy)ethaneammonium formate was found to be an efficient catalyst or catalytically active solvent for the synthesis of those important classes of heterocyclic compounds.

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