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Facial and meridional [N-C-N]- intramolecular coordination systems: structure of fac-PtBrMe2{2,6-(pzCH2)2C6H3}·1/2C6H6 {[2,6-(pzCH2)2C6H3]- = 2,6-(bis{(pyrazol-1-yl)methyl}phenyl)} and mer-PtBr{2,6-(3,5-Me2pzCH2)2C6H3}, and an alternative synthetic route to the platinum(II) [N-C-N]- kernel

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Canty, AJ, Patel, J, Skelton, BW and White, AH 2000 , 'Facial and meridional [N-C-N]- intramolecular coordination systems: structure of fac-PtBrMe2{2,6-(pzCH2)2C6H3}·1/2C6H6 {[2,6-(pzCH2)2C6H3]- = 2,6-(bis{(pyrazol-1-yl)methyl}phenyl)} and mer-PtBr{2,6-(3,5-Me2pzCH2)2C6H3}, and an alternative synthetic route to the platinum(II) [N-C-N]- kernel' , Journal of Organometallic Chemistry, vol. 599, no. 2 , pp. 195-199 , doi: 10.1016/S0022-328X(99)00763-9.

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Abstract

Intramolecular coordination by the six-membered monoanionic N,C,N chelating system 2,6-(pyrazol-1-ylmethyl)phenyl and substituted derivatives can give rise to facial and meridional coordination, exhibited by structural studies of facial coordination in the platinum(IV) complex PtBrMe2{2,6-(pzCH2)2C6H3}·1/2C6H6 and meridional coordination in the platinum(II) complex
PtBr{2,6-(3,5-Me2pzCH2)2C6H3} showing close to ‘ideal’ geometry for the [N-C-N]- donor sets. A platinum(IV) complex is formed by oxidative addition of 2,6-(3,5-Me2pzCH2)2C6H3Br to [PtMe2(SEt2)]2, but reaction with [Pt(p-Tol)2(SEt2)]2 gives the platinum(II) complex PtBr{2,6-(3,5-Me2pzCH2)2C6H3} and 4,4'-bitolyl. This reaction shows a new route to cyclometallated platinum complexes.

Item Type: Article
Authors/Creators:Canty, AJ and Patel, J and Skelton, BW and White, AH
Journal or Publication Title: Journal of Organometallic Chemistry
ISSN: 0022-328X
DOI / ID Number: 10.1016/S0022-328X(99)00763-9
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