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

A 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-(ben...

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Main Authors: Kumar Surender, Sharma Dinesh Kumar
Format: Article
Language:English
Published: De Gruyter 2017-02-01
Series:Green Processing and Synthesis
Subjects:
Online Access:https://doi.org/10.1515/gps-2016-0099
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author Kumar Surender
Sharma Dinesh Kumar
author_facet Kumar Surender
Sharma Dinesh Kumar
author_sort Kumar Surender
collection DOAJ
description A 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.
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spelling doaj.art-dae8d7994c324276be960e2b14b3fb572022-12-21T18:34:02ZengDe GruyterGreen Processing and Synthesis2191-95422191-95502017-02-0161737710.1515/gps-2016-0099Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazolesKumar Surender0Sharma Dinesh Kumar1Department of Chemistry, Technological Institute of Textile and Sciences, Bhiwani, 127021, IndiaDepartment of Chemistry, Kishanlal Public College, Rewari, 123401, IndiaA 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.https://doi.org/10.1515/gps-2016-00995-(benzofuran-2-yl)-2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazoles5-(benzofuran-2-yl)-acylthio-3-(4-chlorophenyl)-1,2,4triazoles5-mercapto-3-(4-chlorophenyl)-1,2,4triazolemicrowave conditionsultrasonic conditions
spellingShingle Kumar Surender
Sharma Dinesh Kumar
Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles
Green Processing and Synthesis
5-(benzofuran-2-yl)-2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazoles
5-(benzofuran-2-yl)-acylthio-3-(4-chlorophenyl)-1,2,4triazoles
5-mercapto-3-(4-chlorophenyl)-1,2,4triazole
microwave conditions
ultrasonic conditions
title Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles
title_full Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles
title_fullStr Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles
title_full_unstemmed Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles
title_short Ultrasound promoted green synthesis of benzofuran substituted thiazolo[3,2-b][1,2,4]triazoles
title_sort ultrasound promoted green synthesis of benzofuran substituted thiazolo 3 2 b 1 2 4 triazoles
topic 5-(benzofuran-2-yl)-2-(4-chlorophenyl)thiazolo[3,2-b][1,2,4]triazoles
5-(benzofuran-2-yl)-acylthio-3-(4-chlorophenyl)-1,2,4triazoles
5-mercapto-3-(4-chlorophenyl)-1,2,4triazole
microwave conditions
ultrasonic conditions
url https://doi.org/10.1515/gps-2016-0099
work_keys_str_mv AT kumarsurender ultrasoundpromotedgreensynthesisofbenzofuransubstitutedthiazolo32b124triazoles
AT sharmadineshkumar ultrasoundpromotedgreensynthesisofbenzofuransubstitutedthiazolo32b124triazoles