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Bimetallic complexes of meta-substituted phosphinobenzenes
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Judd, Lawrence (1988) Bimetallic complexes of meta-substituted phosphinobenzenes. PhD thesis, University of Warwick.
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Official URL: http://webcat.warwick.ac.uk/record=b3229867~S15
Abstract
The ligand m-bis(diphenylphosphino)benzene (m-BDPPB) has been prepared and has been found to form bimetallic complexes of various structural types. The most common of these is the trans.trans face-to-face structure as demonstrated by the complex [CI2Pt(u-m-BDPPB)2PtCL2.
Other bimetallic complexes such as [X(Me)Pt(u-m-BDPPB)2Pt(Me)X] (X = Cl or I) and [Me(sol)Pt(u-m-BDPPB)2Pt(sol)Me]2+ (sol = acetone or acetonitrile) have been prepared and have been shown by 31P-{1H) and 1H n.m.r. spectroscopy to be fluxional at room temperature. The probable processes giving rise to this fluxionality are discussed in detail.
Bimetallic complexes containing three bridging diphosphines such as [M2(u-m-BDPPB)3] (M = Pt or Pd) and [ClRh(u-m-BDPPB)3RhCl] have also been prepared and some of their chemistry investigated.
The ability of the bimetallic complexes [CL2Pt(u-m-BDPPB)2PtCL2], [ClRh(u-m-BDPPB)3RhCl], [(OC)(H)Rh(u-m-BDPPB)3Rh(H)(CO)] and [(l,5-cod)M(u-m-BDPPB)2M(l,5-cod)]2+ (M = Rh or Ir) to act as a catalyst for the activation of substrates such as hex-l-ene, buta- 1,3-diene and o-, m- and p- diiodobenzene has been investigated.
The new phosphine m-hydroxy(diphenylphosphino)benzene has been prepared and some of its complexes with platinum(II) and palladium(II) are described.
| Item Type: | Thesis (PhD) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry | ||||
| Library of Congress Subject Headings (LCSH): | Transition metals, Phosphine, Ligands (Biochemistry) | ||||
| Official Date: | January 1988 | ||||
| Dates: |
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| Institution: | University of Warwick | ||||
| Theses Department: | Department of Chemistry | ||||
| Thesis Type: | PhD | ||||
| Publication Status: | Unpublished | ||||
| Supervisor(s)/Advisor: | Pringle, Paul G. | ||||
| Format of File: | |||||
| Extent: | [19], 343 leaves : illustrations | ||||
| Language: | eng |
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