Direct synthesis of rigid ligand-bridged homo- and heterodinuclear complexes via stereoselective 1,3-dipolar coupling of mononuclear ruthenium(II) and osmium(II) precursors

Schultz, Austin C., Kelso, Laurence S., Johnston, Martin R., Warrener, Ronald N., and Keene, F. Richard (1999) Direct synthesis of rigid ligand-bridged homo- and heterodinuclear complexes via stereoselective 1,3-dipolar coupling of mononuclear ruthenium(II) and osmium(II) precursors. Inorganic Chemistry, 38 (21). pp. 4906-4909.

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Abstract

[Extract] Polymetallic supramolecular assemblies have been the subject of attention because of their potential application to light-harvesting and light-activated devices. However, the electronic and spatial requirements for effective intercomponent energy transfer within these assemblies are not well understood, and ligand design becomes pivotal to any study addressing such issues.

We have recently reported the synthesis of a variety of bifunctional ligands incorporating rigid alicyclic spacers and their reaction with appropriate metal centers to provide homodinuclear complexes. The synthesis of analogous heterodinuclear complexes presents a significant challenge due to the preferential formation of homodinuclear byproducts, and examples of coupling procedures for selective formation of mixed-metal systems are limited and relatively recent.

Item ID: 22816
Item Type: Article (Refereed Research - C1)
Keywords: space-separated 1,10-phenanthroline; building-blocks; stereoisomers; construction; norbornene; dinuclear; systems; units
ISSN: 1520-510X
Date Deposited: 10 Aug 2012 04:47
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030207 Transition Metal Chemistry @ 70%
03 CHEMICAL SCIENCES > 0303 Macromolecular and Materials Chemistry > 030306 Synthesis of Materials @ 30%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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