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Short Paper | Regular issue | Vol 92, No. 12, 2016, pp.2213-2224
Published online, 7th November, 2016
DOI: 10.3987/COM-16-13564
Synthesis of Quinoline Derivatives by an Improved Döebner-von Miller Reaction Using a Recyclable Ag(I)-Exchanged Montmorillonite K10 Catalyst

Janeeka Jayram and Vineet Jeena*

*School of Chemistry and Physics, University of KwaZulu-Natal, Cnr Golf and Ridge Roads 3209, South Africa

Abstract

The Döebner-von Miller synthesis of quinolines under solvent-free conditions is described, catalyzed by recyclable Ag(I)-exchanged Montmorillonite K10. The desired products are obtained in good to excellent yields and the reaction accommodates both aromatic and aliphatic α,β-unsaturated aldehydes making this process an attractive method for the synthesis of substituted quinolines. In addition, the Ag(I)-exchanged Montmorillonite K10 catalyst can be recovered and reused up to 5 times with excellent activity.