Complexes with sterically bulky allyl ligands: Insights into structure and bonding

Stephen Chmely, Timothy P. Hanusa

Research output: Contribution to journalReview article

20 Citations (Scopus)

Abstract

The allyl anion [C3H5]- is often found in combination with other ligands in organometallic complexes. Compounds in which allyl groups are the only or principal type of ligand, however, are often coordinatively unsaturated and prone to decomposition. It is possible to increase the thermal and sometimes oxidative stability of such complexes by adding sterically bulky substituents (e.g., -SiMe3) to the allyl group. Main group, transition metal, and f-element compounds constructed with bulky allyl ligands display a wide range of monomeric, oligomeric, and polymeric structures. Some of these complexes have no counterparts with unsubstituted allyl groups, and others are active polymerization catalysts. Research in this area has served to expand the range of structural types and bonding that can be incorporated into metal allyl chemistry.

Original languageEnglish (US)
Pages (from-to)1321-1337
Number of pages17
JournalEuropean Journal of Inorganic Chemistry
Issue number9
DOIs
StatePublished - Mar 19 2010

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Ligands
Organometallics
Chemical elements
Transition metals
Anions
Metals
Polymerization
Decomposition
Catalysts
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

Cite this

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Complexes with sterically bulky allyl ligands : Insights into structure and bonding. / Chmely, Stephen; Hanusa, Timothy P.

In: European Journal of Inorganic Chemistry, No. 9, 19.03.2010, p. 1321-1337.

Research output: Contribution to journalReview article

TY - JOUR

T1 - Complexes with sterically bulky allyl ligands

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AU - Chmely, Stephen

AU - Hanusa, Timothy P.

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N2 - The allyl anion [C3H5]- is often found in combination with other ligands in organometallic complexes. Compounds in which allyl groups are the only or principal type of ligand, however, are often coordinatively unsaturated and prone to decomposition. It is possible to increase the thermal and sometimes oxidative stability of such complexes by adding sterically bulky substituents (e.g., -SiMe3) to the allyl group. Main group, transition metal, and f-element compounds constructed with bulky allyl ligands display a wide range of monomeric, oligomeric, and polymeric structures. Some of these complexes have no counterparts with unsubstituted allyl groups, and others are active polymerization catalysts. Research in this area has served to expand the range of structural types and bonding that can be incorporated into metal allyl chemistry.

AB - The allyl anion [C3H5]- is often found in combination with other ligands in organometallic complexes. Compounds in which allyl groups are the only or principal type of ligand, however, are often coordinatively unsaturated and prone to decomposition. It is possible to increase the thermal and sometimes oxidative stability of such complexes by adding sterically bulky substituents (e.g., -SiMe3) to the allyl group. Main group, transition metal, and f-element compounds constructed with bulky allyl ligands display a wide range of monomeric, oligomeric, and polymeric structures. Some of these complexes have no counterparts with unsubstituted allyl groups, and others are active polymerization catalysts. Research in this area has served to expand the range of structural types and bonding that can be incorporated into metal allyl chemistry.

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