Issue 5, 2002

Palladium-catalyzed Ullmann-type coupling with zinc in the presence of H2O in liquid carbon dioxide

Abstract

Carbon dioxide was used not only as a reaction medium but also as a reagent to activate ArCl in the palladium-catalyzed Ullmann-type coupling. In liquid carbon dioxide not only various aromatic iodides and bromides but also aromatic chlorides, non-reactivated substrates in earlier reports, were coupled in moderate to good yields in the presence of Pd/C, zinc and H2O at room temperature overnight.

Graphical abstract: Palladium-catalyzed Ullmann-type coupling with zinc in the presence of H2O in liquid carbon dioxide

Article information

Article type
Communication
Submitted
19 Jul 2002
First published
02 Sep 2002

Green Chem., 2002,4, 424-425

Palladium-catalyzed Ullmann-type coupling with zinc in the presence of H2O in liquid carbon dioxide

J. Li, Y. Xie, H. Jiang and M. Chen, Green Chem., 2002, 4, 424 DOI: 10.1039/B207096K

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