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• W2023253995 endingPage "4353" @default.
• W2023253995 startingPage "4344" @default.
• W2023253995 abstract "The course of the reactions of Q2[cis-Pt(C6F5)2(C⋮CR)2] (Q = PPh3Me, R = Ph 1a; Q = NBu4, R = tBu 1b, SiMe3 1c) with [M(μ-Cl)(COD)]2 (M = Rh, Ir) is strongly influenced by the metal and the substituents, as well as the stoichiometry. Thus, whereas treatment of 1a with either 0.5 or 1 equiv of [Rh(μ-Cl)(COD)]2 gives the chelating-type binuclear highly polar compound (PPh3Me)[cis-Pt(C6F5)2(μ-1κCα:η2-C⋮CPh)2Rh(COD)], 2a, analogous reactions using 1b as the precursor afford only the trinuclear complex (NBu4)[{cis-Pt(C6F5)2(μ-1κCα:η2-C⋮CtBu)2}{Rh2(μ-Cl)(COD)2}], 4b. On the other hand, related bi- and trinuclear SiMe3 derivatives (NBu4)[cis-Pt(C6F5)2(μ-1κCα:η2-C⋮CSiMe3)2Rh(COD)], 2c, and (NBu4)[{cis-Pt(C6F5)2(μ-1κCα:η2-C⋮CSiMe3)2}{Rh2(μ-Cl)(COD)2}], 4c, are easily obtained by treating 1c with the binuclear rhodium substrate in the adequate molar ratio [1:0.5 for 2c; 1:1 for 4c]. Complex 2b and, alternatively, 2a,c derivatives can be produced by reacting 1 with the cationic solvento species [Rh(COD)(Et2O)x]+ (prepared in situ). The molecular structures of 2a and 4b have been confirmed by X-ray diffraction. By contrast, whereas the reactions of 1a,b with [Ir(μ-Cl)(COD)]2 lead to the formation of undefined products, the heterobinuclear σ,π double-alkynyl-bridged complex (NBu4)[cis-Pt(C6F5)2(μ-1κCα:η2-C⋮CSiMe3)(μ-η2:2κCα-C⋮CSiMe3)Ir(COD)], 3c, (X-ray) is isolated from reaction of 1c with the dimer iridium complex regardless of the molar ratio used (1:0.5 or 1:1)." @default.
• W2023253995 created "2016-06-24" @default.
• W2023253995 creator A5004647039 @default.
• W2023253995 creator A5007481292 @default.
• W2023253995 creator A5032946809 @default.
• W2023253995 creator A5041817693 @default.
• W2023253995 creator A5059638890 @default.
• W2023253995 creator A5061450850 @default.
• W2023253995 date "1999-09-23" @default.
• W2023253995 modified "2023-10-16" @default.
• W2023253995 title "Synthesis of Bi- and Trinuclear Bis(alkynyl) Complexes [PtM (M = Rh, Ir), PtRh₂] Starting from [<i>cis</i>-Pt(C₆F₅)₂(C⋮CR)₂]²^-" @default.
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• W2023253995 doi "https://doi.org/10.1021/om990314z" @default.
• W2023253995 hasPublicationYear "1999" @default.
• W2023253995 type Work @default.
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