Sud, Abhishek ; Deshpande, Raj Madhukar ; Chaudhari, Raghunath Vitthal (2007) Rate enhancement in palladium catalyzed heck reactions by lewis acid promoters Catalysis Communications, 8 (2). pp. 183-186. ISSN 1566-7367
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S15667...
Related URL: http://dx.doi.org/10.1016/j.catcom.2006.05.043
Abstract
Significant enhancement in the rate of Heck reactions has been achieved when catalytic amounts of Lewis acid (like FeCl3) promoters in the presence of trace amounts of water (>2000 ppm) are used along with Pd complex catalysts. Experiments with different aryl halides, bases as well as olefins have been carried out to demonstrate the role of Lewis acid promoters. The increase in the reaction rates is due to the weakening of Ar-X bond by the Lewis acid in the manner similar to Friedel-Crafts reaction.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Palladium; Lewis Acid; Heck Reaction; Promoters |
| ID Code: | 7546 |
| Deposited On: | 25 Oct 2010 11:11 |
| Last Modified: | 01 Feb 2011 02:52 |
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