Issue 34, 2010
From the journal:

Dalton Transactions

On the origin of copper(i)catalysts from copper(ii) precursors in C–N and C–O cross-couplings†

Grégory Franca  and  Anny Jutand*a  

* Corresponding authors

a UMR CNRS-ENS-UPMC 8640. Ecole Normale Supérieure, Département de Chimie, 24 rue Lhomond, Paris Cedex 5, France
E-mail: Anny.Jutand@ens.fr
Fax: +33 144322402
Tel: +33 144323872

Abstract

CuII precursors ligated to phenanthrolines are reduced in situ by alcohols or amines in the presence of a base (Cs2CO3) to generate CuI species which are active catalysts in C–N and C–O cross-coupling reactions. The conversion CuII → CuI has been evidenced and monitored by UV-vis and NMR spectroscopy.

Graphical abstract: On the origin of copper(i) catalysts from copper(ii) precursors in C–N and C–O cross-couplings

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Article information

DOI
https://doi.org/10.1039/C0DT00632G
Article type
Communication
Submitted
10 Jun 2010
Accepted
09 Jul 2010
First published
02 Aug 2010

Dalton Trans., 2010,39, 7873-7875

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On the origin of copper(I) catalysts from copper(II) precursors in C–N and C–O cross-couplings

G. Franc and A. Jutand, Dalton Trans., 2010, 39, 7873 DOI: 10.1039/C0DT00632G

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