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Unlikeliness of Pd-free Gold(I)-catalyzed Sonogashira Coupling Reactions

Overview
Journal Org Lett
Specialties Biochemistry
Chemistry
Date 2010 Jun 3
PMID 20515017
Citations 26
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Abstract

The Sonogashira coupling reaction is not catalyzed by AuI/dppe in the absence of Pd complexes. However, addition of 0.1 mol % of Pd(0) led to efficient cross-coupling reactions. The most plausible catalytic cycles for the Au-catalyzed cross-coupling reactions have been examined and are unlikely in the absence of Pd contamination.

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