Please use this identifier to cite or link to this item: https://doi.org/10.1039/b917404d
Title: [Pt2(l-SAz)(l-S)]2+ (SAz = azolium thiolate) dication as an unusual source for quadruply bridging sulfide in [Ag2Pt 2(μ-SAz)(μ4-S)]3+
Authors: Li, J.
Li, F. 
Koh, L.L. 
Hor, T.S.A. 
Issue Date: 2010
Citation: Li, J., Li, F., Koh, L.L., Hor, T.S.A. (2010). [Pt2(l-SAz)(l-S)]2+ (SAz = azolium thiolate) dication as an unusual source for quadruply bridging sulfide in [Ag2Pt 2(μ-SAz)(μ4-S)]3+. Dalton Transactions 39 (9) : 2441-2448. ScholarBank@NUS Repository. https://doi.org/10.1039/b917404d
Abstract: Functionalisation of the {Pt2(μ-S)2} core of [Pt2(μ-S)2(PPh3)4] by imidazolium, benzimidazolium and thiazolium salts results in a series of cationic complexes with mixed-bridging ligands of azolium thiolate and sulfide. The complex [Pt2(μ-S)(μ-SCH2CH2C 3H3N2CH3)(PPh3) 4][PF6]2 reacts readily with Ag(OTf) (OTf = triflate) to give [Pt2(μ-SAg2CF3SO 4H2)(μ-SCH2CH2C3H 3N2CH3)(PPh3)4][PF 6]3. X-ray crystallographic analysis was carried out on [Pt2(μ-S)(μ-SCH2CH2C3H 3N2CH3)(PPh3)4][PF 6]2, [Pt2(μ-S)(μ-S(CH2) 3C7H5NS)(PPh3)4][PF 6]2, [Pt2(μ-S)(μ-SCH2CH 2C3H3N2CH3)(dppy) 4][PF6]2, [Pt2(μ-S)(μ-SCH 2CH2C3H3N2CH 3)(dppf)4][PF6]2, [Pt 2(μ-SAg2CF3SO4H 2)(μ-SCH2CH2C3H3N 2CH3)(PPh3)4][PF6] 3 and [Pt2(μ-SCH3)(μ-SCH 2CH2C3H3N2CH 3)(PPh3)4][PF6]3. The complex [Pt2(μ-SAg2CF3SO4H 2)(μ-SCH2CH2C3H3N 2CH3)(PPh3)4][PF6] 3 reveals an unusual quadruply bridging sulfide, whose presence demonstrates an unexpected ability for the unsubstituted sulfide in the [Pt 2(SR)(S)] core to capture silver moieties. © The Royal Society of Chemistry 2010.
Source Title: Dalton Transactions
URI: http://scholarbank.nus.edu.sg/handle/10635/92885
ISSN: 14779226
DOI: 10.1039/b917404d
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