Abstract
An efficient method has been developed for the synthesis of 2-amino thiazole and selenazole-5-carboxylates from β-ketoesters, thiourea or seleno urea and N-bromo succinamide by using Xanthan sulfuric acid as a solid acid catalyst. The reaction work-up is very simple and the catalyst can be easily separated from the reaction mixture and reused several times in subsequent reactions.
Keywords: Bio-supported, N-bromo succinamide(NBS), recyclable, selenazoles, thiazoles, Xanthan sulfuric acid, inflammation, hypertension, bacterial, HIV infections
Letters in Organic Chemistry
Title: Xanthan Sulfuric Acid: An Efficient Bio-Supported and Recyclable Solid Acid Catalyst for the Synthesis of 2-minothiazole-5-carboxylates and 2-aminoselenazole-5-carboxylates
Volume: 8 Issue: 8
Author(s): Bowroju S. Kuarm, Janganati V. Madhav and Bhargavi Rajitha
Affiliation:
Keywords: Bio-supported, N-bromo succinamide(NBS), recyclable, selenazoles, thiazoles, Xanthan sulfuric acid, inflammation, hypertension, bacterial, HIV infections
Abstract: An efficient method has been developed for the synthesis of 2-amino thiazole and selenazole-5-carboxylates from β-ketoesters, thiourea or seleno urea and N-bromo succinamide by using Xanthan sulfuric acid as a solid acid catalyst. The reaction work-up is very simple and the catalyst can be easily separated from the reaction mixture and reused several times in subsequent reactions.
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Cite this article as:
S. Kuarm Bowroju, V. Madhav Janganati and Rajitha Bhargavi, Xanthan Sulfuric Acid: An Efficient Bio-Supported and Recyclable Solid Acid Catalyst for the Synthesis of 2-minothiazole-5-carboxylates and 2-aminoselenazole-5-carboxylates, Letters in Organic Chemistry 2011; 8 (8) . https://dx.doi.org/10.2174/157017811797249443
DOI https://dx.doi.org/10.2174/157017811797249443 |
Print ISSN 1570-1786 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6255 |
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