Issue 79, 2016
From the journal:

Chemical Communications

Copper(i)-catalysed oxidative C–N coupling of 2-aminopyridine with terminal alkynes featuring a C[triple bond, length as m-dash]C bond cleavage promoted by visible light†

Ayyakkannu Ragupathi,a   Arunachalam Sagadevan,a   Chun-Cheng Lin,a   Jih-Ru Hwua  and  Kuo Chu Hwang*a  

* Corresponding authors

a Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan, Republic of China
E-mail: kchwang@mx.nthu.edu.tw
Fax: (+886) 35711082

Abstract

Facile visible-light promoted copper-catalyzed aerobic oxidative C–N coupling between 2-aminopyridine and terminal alkynes at room temperature via C[triple bond, length as m-dash]C triple bond cleavage is described. This reaction allows direct synthesis of biologically important pyridyl amides by utilization of commercially available starting materials without the need for bases/external oxidants.

Graphical abstract: Copper(i)-catalysed oxidative C–N coupling of 2-aminopyridine with terminal alkynes featuring a C [[triple bond, length as m-dash]] C bond cleavage promoted by visible light

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Article information

DOI
https://doi.org/10.1039/C6CC05506K
Article type
Communication
Submitted
03 Jul 2016
Accepted
13 Aug 2016
First published
15 Aug 2016

Chem. Commun., 2016,52, 11756-11759

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Copper(I)-catalysed oxidative C–N coupling of 2-aminopyridine with terminal alkynes featuring a C[triple bond, length as m-dash]C bond cleavage promoted by visible light

A. Ragupathi, A. Sagadevan, C. Lin, J. Hwu and K. C. Hwang, Chem. Commun., 2016, 52, 11756 DOI: 10.1039/C6CC05506K

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