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Copper-catalyzed synthesis of quinoline derivatives via tandem Knoevenagel condensation, amination and cyclization†‡
Shiv Dhiman,Hitesh Kumar Saini,Nitesh Kumar Nandwana,Dalip Kumar,Anil Kumar
RSC Advances Pub Date : 02/23/2016 00:00:00 , DOI:10.1039/C6RA03798D
Abstract

A novel regioselective synthesis of 2-aminoquinolines and 2-arylquinoline-3-carbonitriles is described via copper-mediated tandem reaction. Formation of substituted quinolines involves Knoevenagel condensation of ortho-bromobenzaldehyde with active methylene nitriles followed by copper-catalyzed reductive amination and intramolecular cyclization.

Graphical abstract: Copper-catalyzed synthesis of quinoline derivatives via tandem Knoevenagel condensation, amination and cyclization
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