Synthesis and solid-state structural characterisation of Pt(II,IV) bromide complexes containing bidentate organothiomethylpyridine heteroleptic ligands

R.C. Jones; Brian Skelton; V-A. Tolhurst; Allan White; A.J. Wilson; A.J. Canty

doi:10.1016/j.poly.2006.09.001

Synthesis and solid-state structural characterisation of Pt(II,IV) bromide complexes containing bidentate organothiomethylpyridine heteroleptic ligands

R.C. Jones, Brian Skelton, V-A. Tolhurst, Allan White, A.J. Wilson, A.J. Canty

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

A convenient synthetic method for the preparation of organothiomethylpyridine ligands 2-(RSCH2)C5H4N (R = Ph (L-1), Me (L-2)), 2-MeS-6-Me-C5H3N (L-3), and 2-MeS-4-Me-C5H3N (L-4) via the initial lithiation of substituted 2-picolines followed by the nucleophilic reaction with a diorgany1disulfide is described. The complexes [PtBr2L] (L = L-1-L-4) have been prepared in good to high yields as yellow solids with low solubility in organic solvents. The solid state structures of the complexes have been determined, showing the spatial arrangement of the complexes to depend significantly upon varying substituents within the ligand. The complexes undergo oxidation by bromine to form the tetravalent complexes [PtBr4(L)] (L = L-1-L-4). The solid state structures of [PtBr4(L-2)] and [PtBr4(L-4)] have been determined, and shown to be monomeric with the ligand chelating the platinum centre. (c) 2006 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	708-718
Journal	Polyhedron
Volume	26
Issue number	3
DOIs	https://doi.org/10.1016/j.poly.2006.09.001
Publication status	Published - 2007

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@article{2dfeb0d37a174dbdb5985e60a5ccb4ba,

title = "Synthesis and solid-state structural characterisation of Pt(II,IV) bromide complexes containing bidentate organothiomethylpyridine heteroleptic ligands",

abstract = "A convenient synthetic method for the preparation of organothiomethylpyridine ligands 2-(RSCH2)C5H4N (R = Ph (L-1), Me (L-2)), 2-MeS-6-Me-C5H3N (L-3), and 2-MeS-4-Me-C5H3N (L-4) via the initial lithiation of substituted 2-picolines followed by the nucleophilic reaction with a diorgany1disulfide is described. The complexes [PtBr2L] (L = L-1-L-4) have been prepared in good to high yields as yellow solids with low solubility in organic solvents. The solid state structures of the complexes have been determined, showing the spatial arrangement of the complexes to depend significantly upon varying substituents within the ligand. The complexes undergo oxidation by bromine to form the tetravalent complexes [PtBr4(L)] (L = L-1-L-4). The solid state structures of [PtBr4(L-2)] and [PtBr4(L-4)] have been determined, and shown to be monomeric with the ligand chelating the platinum centre. (c) 2006 Elsevier Ltd. All rights reserved.",

author = "R.C. Jones and Brian Skelton and V-A. Tolhurst and Allan White and A.J. Wilson and A.J. Canty",

year = "2007",

doi = "10.1016/j.poly.2006.09.001",

language = "English",

volume = "26",

pages = "708--718",

journal = "Polyhedron",

issn = "0277-5387",

publisher = "Pergamon",

number = "3",

}

TY - JOUR

T1 - Synthesis and solid-state structural characterisation of Pt(II,IV) bromide complexes containing bidentate organothiomethylpyridine heteroleptic ligands

AU - Jones, R.C.

AU - Skelton, Brian

AU - Tolhurst, V-A.

AU - White, Allan

AU - Wilson, A.J.

AU - Canty, A.J.

PY - 2007

Y1 - 2007

N2 - A convenient synthetic method for the preparation of organothiomethylpyridine ligands 2-(RSCH2)C5H4N (R = Ph (L-1), Me (L-2)), 2-MeS-6-Me-C5H3N (L-3), and 2-MeS-4-Me-C5H3N (L-4) via the initial lithiation of substituted 2-picolines followed by the nucleophilic reaction with a diorgany1disulfide is described. The complexes [PtBr2L] (L = L-1-L-4) have been prepared in good to high yields as yellow solids with low solubility in organic solvents. The solid state structures of the complexes have been determined, showing the spatial arrangement of the complexes to depend significantly upon varying substituents within the ligand. The complexes undergo oxidation by bromine to form the tetravalent complexes [PtBr4(L)] (L = L-1-L-4). The solid state structures of [PtBr4(L-2)] and [PtBr4(L-4)] have been determined, and shown to be monomeric with the ligand chelating the platinum centre. (c) 2006 Elsevier Ltd. All rights reserved.

AB - A convenient synthetic method for the preparation of organothiomethylpyridine ligands 2-(RSCH2)C5H4N (R = Ph (L-1), Me (L-2)), 2-MeS-6-Me-C5H3N (L-3), and 2-MeS-4-Me-C5H3N (L-4) via the initial lithiation of substituted 2-picolines followed by the nucleophilic reaction with a diorgany1disulfide is described. The complexes [PtBr2L] (L = L-1-L-4) have been prepared in good to high yields as yellow solids with low solubility in organic solvents. The solid state structures of the complexes have been determined, showing the spatial arrangement of the complexes to depend significantly upon varying substituents within the ligand. The complexes undergo oxidation by bromine to form the tetravalent complexes [PtBr4(L)] (L = L-1-L-4). The solid state structures of [PtBr4(L-2)] and [PtBr4(L-4)] have been determined, and shown to be monomeric with the ligand chelating the platinum centre. (c) 2006 Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.poly.2006.09.001

DO - 10.1016/j.poly.2006.09.001

M3 - Article

VL - 26

SP - 708

EP - 718

JO - Polyhedron

JF - Polyhedron

SN - 0277-5387

IS - 3

ER -