Intramolecular C-C agostic complexes: C-C sigma interactions by another name

Michel Etienne; Andrew S. Weller

doi:10.1039/c3cs60295h

Intramolecular C-C agostic complexes: C-C sigma interactions by another name

Michel Etienne^*, Andrew S. Weller

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Review article › peer-review

Abstract

In this comprehensive review the developments in the synthesis, characterization and reactivity of complexes (s-, d- and f-block) in which a C-C single bond interacts with a metal centre are discussed: so called C-C⋯M agostic complexes. Such species are of significant interest with regard to structure and bonding, the activation of C-C single bonds and, thus, catalytic methods of C-C bond formation (or activation). Examples of C-C agostic complexes of early and later transition metals, actinides and group 1 metals are discussed, along with C-C agostic interactions in metallacyclobutanes. Examples of Si-Si⋯M, B-C⋯M and B-B⋯M agostic interactions are also presented. Throughout, the structural, spectroscopic and computational markers that indicate the likely presence of a C-C⋯M agostic interaction in a complex are highlighted.

Original language	English
Pages (from-to)	242-259
Number of pages	18
Journal	Chemical Society Reviews
Volume	43
Issue number	1
DOIs	https://doi.org/10.1039/c3cs60295h
Publication status	Published - 7 Jan 2014

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abstract = "In this comprehensive review the developments in the synthesis, characterization and reactivity of complexes (s-, d- and f-block) in which a C-C single bond interacts with a metal centre are discussed: so called C-C⋯M agostic complexes. Such species are of significant interest with regard to structure and bonding, the activation of C-C single bonds and, thus, catalytic methods of C-C bond formation (or activation). Examples of C-C agostic complexes of early and later transition metals, actinides and group 1 metals are discussed, along with C-C agostic interactions in metallacyclobutanes. Examples of Si-Si⋯M, B-C⋯M and B-B⋯M agostic interactions are also presented. Throughout, the structural, spectroscopic and computational markers that indicate the likely presence of a C-C⋯M agostic interaction in a complex are highlighted.",

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AU - Weller, Andrew S.

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N2 - In this comprehensive review the developments in the synthesis, characterization and reactivity of complexes (s-, d- and f-block) in which a C-C single bond interacts with a metal centre are discussed: so called C-C⋯M agostic complexes. Such species are of significant interest with regard to structure and bonding, the activation of C-C single bonds and, thus, catalytic methods of C-C bond formation (or activation). Examples of C-C agostic complexes of early and later transition metals, actinides and group 1 metals are discussed, along with C-C agostic interactions in metallacyclobutanes. Examples of Si-Si⋯M, B-C⋯M and B-B⋯M agostic interactions are also presented. Throughout, the structural, spectroscopic and computational markers that indicate the likely presence of a C-C⋯M agostic interaction in a complex are highlighted.

AB - In this comprehensive review the developments in the synthesis, characterization and reactivity of complexes (s-, d- and f-block) in which a C-C single bond interacts with a metal centre are discussed: so called C-C⋯M agostic complexes. Such species are of significant interest with regard to structure and bonding, the activation of C-C single bonds and, thus, catalytic methods of C-C bond formation (or activation). Examples of C-C agostic complexes of early and later transition metals, actinides and group 1 metals are discussed, along with C-C agostic interactions in metallacyclobutanes. Examples of Si-Si⋯M, B-C⋯M and B-B⋯M agostic interactions are also presented. Throughout, the structural, spectroscopic and computational markers that indicate the likely presence of a C-C⋯M agostic interaction in a complex are highlighted.

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Intramolecular C-C agostic complexes: C-C sigma interactions by another name

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