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Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles

Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles AbstractA highly efficient, eco-friendly and one-pot synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles was developed involving the reaction of 2-acetyl benzofurans and 5-mercapto-3-(4-chlorophenyl)-1,2,4triazole in the presence of molecular iodine under ultrasonic conditions to give 5-(benzofuran-2-yl)-acylthio-3-(4-chlorophenyl)-1,2,4triazoles, which was further cyclised using Eaton’s reagent under microwave conditions to give 5-(benzofuran-2-yl)-2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazoles. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Green Processing and Synthesis de Gruyter

Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles

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Publisher
de Gruyter
Copyright
©2017 Walter de Gruyter GmbH, Berlin/Boston
ISSN
2191-9550
eISSN
2191-9550
DOI
10.1515/gps-2016-0099
Publisher site
See Article on Publisher Site

Abstract

AbstractA highly efficient, eco-friendly and one-pot synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles was developed involving the reaction of 2-acetyl benzofurans and 5-mercapto-3-(4-chlorophenyl)-1,2,4triazole in the presence of molecular iodine under ultrasonic conditions to give 5-(benzofuran-2-yl)-acylthio-3-(4-chlorophenyl)-1,2,4triazoles, which was further cyclised using Eaton’s reagent under microwave conditions to give 5-(benzofuran-2-yl)-2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazoles.

Journal

Green Processing and Synthesisde Gruyter

Published: Feb 1, 2017

References