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- W2073514458 abstract "In order to explore possible ways for modulating the unusually rich chemistry shown by complexes of formula [L2Pt(μ-S)2PtL2] we have studied the influence of the nature of the terminal ligand L on the chemical properties of the {Pt2(μ-S)2} core. The systematic study we now report allows comparison of the behaviour of [Pt2(dpae)2(μ-S)2] (dpae = Ph2As(CH2)2AsPh2) (1) with the already reported analogue [Pt2(dppe)2(μ-S)2] (dppe = Ph2P(CH2)2PPh2). Complex 1 as well as the corresponding multimetallic derivatives [Pt(dpae){Pt2(dpae)2(μ-S)2}](BPh4)22, [M{Pt2(dpae)2(μ-S)2}2]X2 (M = CuII, X = BF43; M = ZnII, X = BPh44; M = CdII, X = ClO45; M = HgII, X = Cl 6 or X2 = Cl1.5[HCl2]0.56′) have been characterized in the solid phase and in solution. Comparison of structural parameters of 1 and 3–6′ with those of the corresponding phosphine analogues, together with the results of the electrochemical study for 1, allow us to conclude that replacement of dppe by dpae causes a decrease in basicity of the {Pt2(μ-S)2} core. The study of the reactivity of 1 towards CH2Cl2 and protic acids has led to the structural characterization of [Pt(dpae)(S2CH2)] 9 and [PtCl2(dpae)] 10. Moreover, comparison with the reactivity of [Pt2(dppe)2(μ-S)2] indicates that the stability of the intermediate species as well as the nature of the final products in both multistep reactions are sensitive to the nature of the terminal ligand." @default.
- W2073514458 created "2016-06-24" @default.
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- W2073514458 date "2005-01-01" @default.
- W2073514458 modified "2023-10-18" @default.
- W2073514458 title "Influence of the terminal ligands on the redox properties of the {Pt2(µ-S)2} core in [Pt2(Ph2X(CH2)2XPh2)2(µ-S)2](X = P or As) complexes and on their reactivity towards metal centres, protic acids and organic electrophiles" @default.
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- W2073514458 doi "https://doi.org/10.1039/b502196k" @default.
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