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Issue 6, 2010
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Percent buried volume for phosphine and N-heterocyclic carbeneligands: steric properties in organometallic chemistry

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Abstract

Electronic and steric ligand effects both play major roles in organometallic chemistry and consequently in metal-mediated catalysis. Quantifying such parameters is of interest to better understand not only the parameters governing catalyst performance but also reaction mechanisms. Nowadays, ligand molecular architectures are becoming significantly more elaborate and existing models describing ligand sterics prove lacking. This review presents the development of a more general method to determine the steric parameter of organometallic ligands. Two case studies are presented: the tertiary phosphines and the N-heterocyclic carbenes.

Graphical abstract: Percent buried volume for phosphine and N-heterocyclic carbene ligands: steric properties in organometallic chemistry

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Submitted
03 Nov 2009
Accepted
02 Dec 2009
First published
05 Jan 2010

Chem. Commun., 2010,46, 841-861
Article type
Feature Article

Percent buried volume for phosphine and N-heterocyclic carbene ligands: steric properties in organometallic chemistry

H. Clavier and S. P. Nolan, Chem. Commun., 2010, 46, 841
DOI: 10.1039/B922984A

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