Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles
© 2016 Elsevier Ltd A sonochemical method for the synthesis of 2-aminobenzimidazoles and 2-aminobenzoxazoles, as well as chiral aminooxazolines and a chiral substituted quinazolin-5-one is reported. Using the Ph 3 P–I 2 system in the presence of triethylamine as a desulfurization agent, monothiourea...
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th-cmuir.6653943832-422332017-09-28T04:25:58Z Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles Phakhodee W. Duangkamol C. Wiriya N. Pattarawarapan M. © 2016 Elsevier Ltd A sonochemical method for the synthesis of 2-aminobenzimidazoles and 2-aminobenzoxazoles, as well as chiral aminooxazolines and a chiral substituted quinazolin-5-one is reported. Using the Ph 3 P–I 2 system in the presence of triethylamine as a desulfurization agent, monothioureas prepared in situ from the reaction of bis-nucleophiles with isothiocyanates underwent rapid cyclization to afford a variety of N-heterocyclic compounds in good to excellent yields under mild conditions. 2017-09-28T04:25:58Z 2017-09-28T04:25:58Z 2016-01-01 Journal 00404039 2-s2.0-84994322327 10.1016/j.tetlet.2016.10.060 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84994322327&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/42233 |
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© 2016 Elsevier Ltd A sonochemical method for the synthesis of 2-aminobenzimidazoles and 2-aminobenzoxazoles, as well as chiral aminooxazolines and a chiral substituted quinazolin-5-one is reported. Using the Ph 3 P–I 2 system in the presence of triethylamine as a desulfurization agent, monothioureas prepared in situ from the reaction of bis-nucleophiles with isothiocyanates underwent rapid cyclization to afford a variety of N-heterocyclic compounds in good to excellent yields under mild conditions. |
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author |
Phakhodee W. Duangkamol C. Wiriya N. Pattarawarapan M. |
spellingShingle |
Phakhodee W. Duangkamol C. Wiriya N. Pattarawarapan M. Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles |
author_facet |
Phakhodee W. Duangkamol C. Wiriya N. Pattarawarapan M. |
author_sort |
Phakhodee W. |
title |
Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles |
title_short |
Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles |
title_full |
Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles |
title_fullStr |
Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles |
title_full_unstemmed |
Ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles |
title_sort |
ultrasound-assisted synthesis of substituted 2-aminobenzimidazoles, 2-aminobenzoxazoles, and related heterocycles |
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2017 |
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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84994322327&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/42233 |
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