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Issue 38, 2016
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One-pot synthesis of various 2-amino-4H-chromene derivatives using a highly active supported ionic liquid catalyst

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Abstract

In this paper, a supported ionic liquid catalyst (SILC) was synthesized by dissolving palladium acetate in [BMIM][OH] and immobilizing it on the surface of HAP. Further, it was characterized by SEM, TEM, TGA, FTIR, AAS and EDAX. This SILC was then used to synthesize various derivatives of chromenes under solvent-free conditions in excellent yields. The products obtained were characterized by 1H NMR, 13C NMR and mass analysis. One of the products, 2-amino-4-(3-nitrophenyl)-6,6,8,8-tetrahydro-7,7-dimethyl-5-oxo-4H-chromene-3-carbonitrile, was also characterized by single crystal X-ray crystallography.

Graphical abstract: One-pot synthesis of various 2-amino-4H-chromene derivatives using a highly active supported ionic liquid catalyst

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Supplementary files

Article information


Submitted
11 Mar 2016
Accepted
14 Mar 2016
First published
30 Mar 2016

RSC Adv., 2016,6, 32052-32059
Article type
Paper

One-pot synthesis of various 2-amino-4H-chromene derivatives using a highly active supported ionic liquid catalyst

P. Sharma, M. Gupta, R. Kant and V. K. Gupta, RSC Adv., 2016, 6, 32052
DOI: 10.1039/C6RA06523F

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