Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ica.2008.06.005
Title: Dithiolate and diselenolate complexes [Pt2(μ-ECH2CH{double bond, long}CHCH2E)(PPh3)4]2+ (E = S, Se): Synthesis, characterisation and mass spectrometric formation of the dichalcogenide species [Pt2(μ-E2)(PPh3)4]2+
Authors: Devoy, S.M.
Henderson, W.
Nicholson, B.K.
Hor, T.S.A. 
Keywords: Alkylation reactions
Electrospray mass spectrometry
Platinum complexes
Sulfide complexes
Thiolate complexes
Issue Date: 2-Mar-2009
Source: Devoy, S.M., Henderson, W., Nicholson, B.K., Hor, T.S.A. (2009-03-02). Dithiolate and diselenolate complexes [Pt2(μ-ECH2CH{double bond, long}CHCH2E)(PPh3)4]2+ (E = S, Se): Synthesis, characterisation and mass spectrometric formation of the dichalcogenide species [Pt2(μ-E2)(PPh3)4]2+. Inorganica Chimica Acta 362 (4) : 1194-1198. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ica.2008.06.005
Abstract: The reactions of [Pt2(μ-E)2(PPh3)4] (E = S, Se) with cis-1,4-dichlorobut-2-ene (cis-ClCH2CH{double bond, long}CHCH2Cl) give the dichalcogenolate complexes [Pt2(μ-ECH2CH{double bond, long}CHCH2E)(PPh3)4]2+; an X-ray structure determination on the thiolate complex was carried out. The complexes give the expected dications in ESI mass spectra recorded at very low cone voltages, but at moderate cone voltages undergo facile fragmentation via a retro-Diels-Alder reaction and loss of 1,3-butadiene, giving the dichalcogenide species [Pt2(μ-E2)(PPh3)4]2+. Analogous species containing bidentate phosphine or arsine ligands have been previously generated electrochemically, and studied theoretically. © 2008 Elsevier B.V. All rights reserved.
Source Title: Inorganica Chimica Acta
URI: http://scholarbank.nus.edu.sg/handle/10635/93624
ISSN: 00201693
DOI: 10.1016/j.ica.2008.06.005
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