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Oxidative access to flexible {Pt2(μ-SAr)2} square motifs from platinum thiolato complexes with chelating diphosphine

Abstract : Platinum(II) aryl thiolate complexes formulated as (P2)Pt(SAr)2 are prepared from the chelating bis(diphenylphosphino)dimethyltetrathiafulvalene (P2), with aryl thiolate ligands (SAr), such as benzenethiolate (BT) and 3,5-dimethylbenzenethiolate (DMBT). The structurally characterized neutral (P2)Pt(SAr)2 complexes afford, upon oxidation with TCNQF4, dicationic bimetallic Pt(II) complexes formulated as [(P2)Pt(μ-SAr)2Pt(P2)]2+, characterized by a flexible {Pt2(μ-SAr)2} square motif. The magnetic properties of the TCNQF4radical dot− salts of these bimetallic Pt(II) complexes are determined from susceptibility measurements and a tentative rationale for the formation of such {Pt2(μ-SAr)2} square complexes are provided, based on an original oxidative dimerization process.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-00843761
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Submitted on : Friday, July 12, 2013 - 10:02:07 AM
Last modification on : Friday, July 10, 2020 - 4:15:56 PM

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Su-Kyung Lee, Olivier Jeannin, Marc Fourmigué, Wooyoung Suh, Dong-Youn Noh. Oxidative access to flexible {Pt2(μ-SAr)2} square motifs from platinum thiolato complexes with chelating diphosphine. Journal of Organometallic Chemistry, Elsevier, 2012, 716, pp.237-244. ⟨10.1016/j.jorganchem.2012.07.001⟩. ⟨hal-00843761⟩

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