Room Temperature Metal-Free Synthesis of Aryl/Heteroaryl-Substituted Bis(6-aminouracil-5-yl)methanes Using Sulfamic Acid (NH2SO3H) as an Efficient and Eco-friendly Organo-Catalyst

Author(s): Bubun Banerjee, Goutam Brahmachari.

Journal Name: Current Organocatalysis

Volume 3 , Issue 2 , 2016

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Abstract:

A simple, straightforward and eco-friendly protocol for the synthesis of pharmaceuticallyinteresting aryl/heteroaryl-substituted bis(6-aminouracil-5-yl)methane derivatives has been developed using sulfamic acid (NH2SO3H) as a cost-effective and non-toxic organo-catalyst via pseudomulticomponent reaction of 6-amino-1,3-dimethyluracil with aromatic/heteroaromatic aldehydes in aqueous ethanol at room temperature. Mild reaction conditions, good to excellent yields, ecofriendliness, easy isolation of products and avoidance of column chromatographic separation are some of the notable features of this protocol.

Keywords: Aqueous ethanol, bis(6-aminouracil-5-yl)methanes, eco-friendly, no column chromatography, room-temperature, sulfamic acid.

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Article Details

VOLUME: 3
ISSUE: 2
Year: 2016
Page: [125 - 132]
Pages: 8
DOI: 10.2174/2213337202666150812231130
Price: $58

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