Complexes of platinum(II), platinum(IV), rhodium(III) and iridium(III) containing orthometallated triphenylphosphine
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Bennett, Martin; Bhargava, Suresh; Ke, Mingzhe; Willis, Anthony
Description
Treatment of [PtCl2(SEt2)2] or [RhCl3(SEt2)3] with 2-LiC6H4PPh2 gives four-membered ring chelate arylplatinum(n) or arylrhodium(m) complexes [Pt{C6H4(PPh2)-2}3 and [Rh {C6H4(PPh2)-2}3], respectively, whereas the corresponding reaction of [IrCl3(SEt2)3] gives JrCl{C6H4(PPh2)-2}2(PPh 3)] arising from cleavage of an Ir-C6H4(PPh2) bond. The chemistry of [Pt{C6H4(PPh2)-2}2] is dominated by the lability of the Pt-P bonds, which are displaced sequentially by ligands at room temperature to give...[Show more]
dc.contributor.author | Bennett, Martin | |
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dc.contributor.author | Bhargava, Suresh | |
dc.contributor.author | Ke, Mingzhe | |
dc.contributor.author | Willis, Anthony | |
dc.date.accessioned | 2015-12-13T23:18:26Z | |
dc.date.available | 2015-12-13T23:18:26Z | |
dc.identifier.issn | 1477-9226 | |
dc.identifier.uri | http://hdl.handle.net/1885/90178 | |
dc.description.abstract | Treatment of [PtCl2(SEt2)2] or [RhCl3(SEt2)3] with 2-LiC6H4PPh2 gives four-membered ring chelate arylplatinum(n) or arylrhodium(m) complexes [Pt{C6H4(PPh2)-2}3 and [Rh {C6H4(PPh2)-2}3], respectively, whereas the corresponding reaction of [IrCl3(SEt2)3] gives JrCl{C6H4(PPh2)-2}2(PPh 3)] arising from cleavage of an Ir-C6H4(PPh2) bond. The chemistry of [Pt{C6H4(PPh2)-2}2] is dominated by the lability of the Pt-P bonds, which are displaced sequentially by ligands at room temperature to give complexes containing monodentate C6H4(PPh2), i.e. [Pt{C6H4(PPh2)-2} {n-C6-H4(PPh2)-2}(L)] [L = PPh2, P(OPh)3, P(OMe)3 or Bu'NC] and [Pt{n'-C6H4(PPh2)-2}2(R 2PCH2CH2PR2)] (R = Ph, Me or Cy). In the cases of Me2PCH2CH2PMe2 and Cy2PCH2CH2PCy2, binuclear intermediates can be detected in which these ligands bridge two platinum atoms. Oxidative addition of methyl iodide or iodine to [Pt{C6H4(PPh2)-2}2] gives initially platinum(iv) complexes [PtI(R){C6H4(PPh2)-2}2] (R = Me or I) in which the added groups are mutually trans; in the final, stable products the added groups and the phosphorus atoms are, separately, mutually cis. Oxidative addition of bromine to [Pt{C6H4(PPh2)-2}2] gives initially trans-[PtBr2{C6H4(PPh2)-2} 2] but subsequent oxidation and hydrolysis at the phosphorus atoms gives chelate tertiary phosphine oxide complexes of platinum(iv). The molecular structures of [Rh{C6H4(PPh2)-2}3] and rö-[PtI(Me){C6H4(PPh2)-2}2] have been determined by X-ray crystallography. | |
dc.publisher | Royal Society of Chemistry | |
dc.source | Dalton Transactions | |
dc.title | Complexes of platinum(II), platinum(IV), rhodium(III) and iridium(III) containing orthometallated triphenylphosphine | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.description.refereed | Yes | |
dc.date.issued | 2000 | |
local.identifier.absfor | 039904 - Organometallic Chemistry | |
local.identifier.ariespublication | MigratedxPub20471 | |
local.type.status | Published Version | |
local.contributor.affiliation | Bennett, Martin, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Bhargava, Suresh, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Ke, Mingzhe, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Willis, Anthony, College of Physical and Mathematical Sciences, ANU | |
local.bibliographicCitation.startpage | 3537 | |
local.bibliographicCitation.lastpage | 3545 | |
local.identifier.doi | 10.1039/b004908p | |
dc.date.updated | 2015-12-12T08:56:46Z | |
local.identifier.scopusID | 2-s2.0-0001872124 | |
Collections | ANU Research Publications |
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