The effect of steric bulk in Sonogashira coupling reactions

Literature Information

Publication Date 2006-12-11
DOI 10.1039/B616608C
Impact Factor 6.222
Authors

Markus an der Heiden, Herbert Plenio


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Abstract

The rates of Sonogashira coupling reactions using [Pd–PR3] complexes depend on a combination of the steric bulk of phosphines and substrates; however, below a critical cone angle of ca. 170° the catalytic activity drops drastically.

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