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Issue 20, 2018
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Cobalt-catalyzed carbon–sulfur/selenium bond formation: synthesis of benzo[b]thio/selenophene-fused imidazo[1,2-a]pyridines

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Abstract

An efficient cobalt-catalyzed C–S/C–Se bond formation method for the synthesis of benzo[b]thio/selenophene-fused imidazo[1,2-a]pyridines has been developed. This protocol was catalyzed by an inexpensive and commercially available cobalt catalyst without an extra reductant while using thiocyanate and selenocyanate as the sulfur and selenium sources. A wide range of benzo[b]thio/selenophene-fused imidazo[1,2-a]pyridines were obtained in good yields.

Graphical abstract: Cobalt-catalyzed carbon–sulfur/selenium bond formation: synthesis of benzo[b]thio/selenophene-fused imidazo[1,2-a]pyridines

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Article information


Submitted
29 Mar 2018
Accepted
01 May 2018
First published
02 May 2018

Org. Biomol. Chem., 2018,16, 3721-3725
Article type
Communication

Cobalt-catalyzed carbon–sulfur/selenium bond formation: synthesis of benzo[b]thio/selenophene-fused imidazo[1,2-a]pyridines

T. Wang, J. Chen, J. Wang, S. Xu, A. Lin, H. Yao, S. Jiang and J. Xu, Org. Biomol. Chem., 2018, 16, 3721
DOI: 10.1039/C8OB00743H

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