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Highly efficient carbazolyl-derived phosphine ligands: application to sterically hindered biaryl couplings?

Chemical Communications Pub Date: 2011-03-29 DOI: 10.1039/C1CC10708A

Abstract

A new family of phosphine ligands bearing a bulky carbazolyl scaffold is described. With the combination of ligand 2a and Pd(OAc)₂, difficult tri-ortho-substituted biaryl couplings are accomplished smoothly. In particular, the catalyst loading as low as 0.02 mol% of Pd for non-activated 2,6-disubstituted aryl chloride coupling can be achieved.

Graphical abstract: Highly efficient carbazolyl-derived phosphine ligands: application to sterically hindered biaryl couplings

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Chemical Communications

Journal Name：Chemical Communications

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