Issue 1, 2013

Well-defined NHC-rhodium hydroxide complexes as alkenehydrosilylation and dehydrogenative silylation catalysts

Abstract

Alkene hydrosilylation and dehydrogenative silylation reactions, mediated by [Rh(cod)(NHC)(OH)] complexes (cod = 1,5-cyclooctadiene; NHC = N-heterocyclic carbene) are described. The study details a comparison of the catalytic activity and steric characteristics of four rhodium complexes bearing different NHC ligands. The novel [Rh(cod)(Ii-PrMe)(OH)] complex (Ii-PrMe = 1,3-diisopropyl-4,5-dimethylimidazol-2-ylidine) was designed to improve the reactivity of Rh(I)-hydroxides and proved to be a successful promoter of hydrosilylation and dehydrogenative silylation, displaying good stereo- and regiocontrol.

Graphical abstract: Well-defined NHC-rhodium hydroxide complexes as alkene hydrosilylation and dehydrogenative silylation catalysts

Supplementary files

Article information

Article type
Paper
Submitted
28 Sep 2012
Accepted
15 Oct 2012
First published
30 Oct 2012

Dalton Trans., 2013,42, 270-276

Well-defined NHC-rhodium hydroxide complexes as alkene hydrosilylation and dehydrogenative silylation catalysts

B. J. Truscott, A. M. Z. Slawin and S. P. Nolan, Dalton Trans., 2013, 42, 270 DOI: 10.1039/C2DT31339A

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