Issue 48, 2011
From the journal:

Chemical Communications

Efficient synthesis of biazoles by aerobic oxidative homocoupling of azoles catalyzed by a copper(i)/2-pyridonatecatalytic system†

Mingwen Zhu,a   Ken-ichi Fujita*ab  and  Ryohei Yamaguchi*a  

* Corresponding authors

a Graduate School of Human and Environmental Studies, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
E-mail: yamaguchi.ryohei.8c@kyoto-u.ac.jp

b Graduate School of Global Environmental Studies, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
E-mail: fujitak@kagaku.mbox.media.kyoto-u.ac.jp

Abstract

A highly efficient and convenient CuCl/2-pyridonate catalytic system for oxidative homocoupling of azoles affording a biazole product has been developed. With this system, a variety of biazoles have been effectively synthesized in good to excellent yields in the presence of a very small amount of copper catalyst (1.0 mol%). It was feasible to employ air as a green oxidant.

Graphical abstract: Efficient synthesis of biazoles by aerobic oxidative homocoupling of azoles catalyzed by a copper(i)/2-pyridonate catalytic system

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Article information

DOI
https://doi.org/10.1039/C1CC15363C
Article type
Communication
Submitted
29 Aug 2011
Accepted
12 Oct 2011
First published
11 Nov 2011

Chem. Commun., 2011,47, 12876-12878

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Efficient synthesis of biazoles by aerobic oxidative homocoupling of azoles catalyzed by a copper(I)/2-pyridonate catalytic system

M. Zhu, K. Fujita and R. Yamaguchi, Chem. Commun., 2011, 47, 12876 DOI: 10.1039/C1CC15363C

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