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Issue 54, 2016
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Visible light triggered, catalyst free approach for the synthesis of thiazoles and imidazo[2,1-b]thiazoles in EtOH : H2O green medium

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Abstract

The development of a visible light promoted, mild and greener approach for the synthesis of highly functionalized thiazoles and imidazo[2,1-b]thiazoles under photochemical activation in EtOH : H2O green medium is demonstrated. The characteristic feature of the present protocol is the utilization of visible light (an omnipresent, nontoxic, environmentally benign and inexpensive reagent) to form C–S and C–N bonds and circumvent the use of catalysts or photosensitizers. The reported protocol is the first example of visible light promoted synthesis of thiazoles and imidazo[2,1-b]thiazoles with various attractive features like being catalyst free, eco-efficient and possessing cost effectiveness, short reaction time, excellent yields and sustainability to fulfill the parameters of green chemistry.

Graphical abstract: Visible light triggered, catalyst free approach for the synthesis of thiazoles and imidazo[2,1-b]thiazoles in EtOH : H2O green medium

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Supplementary files

Article information


Submitted
29 Feb 2016
Accepted
02 May 2016
First published
04 May 2016

RSC Adv., 2016,6, 49164-49172
Article type
Paper

Visible light triggered, catalyst free approach for the synthesis of thiazoles and imidazo[2,1-b]thiazoles in EtOH : H2O green medium

A. Mishra, M. Srivastava, P. Rai, S. Yadav, B. P. Tripathi, J. Singh and J. Singh, RSC Adv., 2016, 6, 49164
DOI: 10.1039/C6RA05385H

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