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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 37, 2007 - Issue 24
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Original Articles

Iodine‐Catalyzed, One‐Pot, Solid‐Phase Synthesis of Benzothiazole Derivatives

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Pages 4327-4329 | Received 08 May 2007, Published online: 14 Dec 2007
 

Abstract

Molecular iodine was utilized in a one‐pot, solid‐phase, solvent‐free reaction between 2‐aminothiophenol and benzoic acid derivatives to obtain highly economical and excellent yield of benzothiazole derivatives in comparison to polyphosphoric acid- and [pmIm]‐Br‐catalyzed microwave synthesis reactions. The results of the studies revealed that the new method reduces cost by approximately 17‐fold in comparison to polyphosphoric acid and has a significant cost reduction in comparison to [pmIm]‐Br. Moreover, it becomes even more economical because no additional chemicals and solvents are necessary for the reaction.

Acknowledgment

The authors are thankful to the Vice Chancellor, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal, for providing the laboratory facility and to All India Council for Technical Education (AICTE), New Delhi, India for providing a scholarship during this project.

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