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Rate enhancement in palladium catalyzed Heck reactions by Lewis acid promoters

Paper ID Volume ID Publish Year Pages File Format Full-Text
52304 46868 2007 4 PDF Available
Title
Rate enhancement in palladium catalyzed Heck reactions by Lewis acid promoters
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.

Keywords
Palladium; Lewis acid; Heck reaction; Promoters
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Rate enhancement in palladium catalyzed Heck reactions by Lewis acid promoters
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 2, February 2007, Pages 183–186
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us