Microwave Assisted One Pot Synthesis of 3,4-Dihydropyrano[c]chromene Derivatives using [Emim]OH Ionic Liquid as Novel Catalyst
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Authors
Bhahat, D.S.
Pande, S.G.
Katariya, M.V.
Pawar, R.P.
Kendrekar, P.S.
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Publisher
Asian Journal of Chemistry
Abstract
One-pot efficient protocol to the synthesis of 2-amino-5-oxo-4,5-dihydropyrano(3,2-c)chromene-3-carbonitrile derivatives via condensation
of various aryl aldehydes, dicyanomethane and 4-hydroxycoumarin in presence of Emim hydroxide as an excellent homogeneous liquid
catalyst. The key advantages of this methodology are mild reaction conditions, novel catalyst, short reaction time, eco-friendly, easy
work-up procedure and high yield of isolation of derivatives.
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Published Article