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- Kukushkin, Vadim Yu., et al.
(författare)
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New Methods for Synthesis of Platinum(II) Dimethyl Sulfide Complexes
- 1994
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Ingår i: Inorganica Chimica Acta. - : Elsevier BV. - 0020-1693. ; 219:1-2, s. 155-160
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Tidskriftsartikel (refereegranskat)abstract
- Different methods for the synthesis of anionic dimethyl sulfide platinum complexes of the type Q[PtCl3(Me2S)] (Q = triphenylbenzylphosphonium, Ph3PBzl, or tetrabutylammonium, BU4N) and [Pt(mu-Cl)Cl(Me2S)]2 are reported. The compounds Q[PtCl3(Me2S)] were prepared by interaction of [PtCl4]2- with an excess of Me2S in non-aqueous media, reduction of [PtCl5(Me2S)]- with hydrazine sulfate, bridge-splitting reactions of (Ph3PBzl)2[Pt2(mu-Cl)2Cl4] and [Pt(mu-Cl)Cl(Me2S)]2 with two equivalents of Me2S and (Pb3PBzl)Cl, respectively, and substitution of dimethyl sulfide in trans-[PtCl2(Me2S)2]. The [Pt(mu-Cl)Cl(Me2S)]2 dimer was prepared via reaction Of cis-[PtCl2(Me2S)2] with two equivalents of silver nitrate followed by separation of AgCl(s) and addition of one equivalent of K2[PtCl4]. The structure of (Ph3PBzl)[PtCl3(Me2S)] was determined by X-ray single crystal analysis. The compound crystallizes in the space group P2(1)/n with a = 9.746(3), b = 19.511(4), c = 14.966(4) angstrom, beta = 100.43(2)-degrees, V = 2799.0(9) angstrom3 and Z = 4.
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- Kukushkin, Vadim Yu., et al.
(författare)
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Phenylation of Platinum(II) Thioether Complexes by Tetraphenylborate(III) in Solid State and Nitromethane Solution
- 1993
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Ingår i: Phosphorus, Sulfur, and Silicon and the Related Elements. - : Informa UK Limited. - 1042-6507 .- 1563-5325. ; 75:1-4, s. 253-255
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Tidskriftsartikel (refereegranskat)abstract
- Platinum(II) complexes of the type [Pt(thioether)2Cl]+(thioether = dimethyl sulfide, thioxane) are capable of abstracting a phenyl group from the BPh4 counterion with formation of trans[Pt(thioether)2ClPh] compounds. Thermal reactions proceed both in the solid phase and in nitromethane solution at elevated temperature and have preparative importance. Phenylation of the Pt(II) centre also occurs in reaction between [Pt(Me2S)2Cl2] and AgBPh4 in CH2Cl2 suspension. Brief X-ray crystallographic structural data for trans-[Pt(Me2S)2ClPh] and [Pt(thioether)3Cl]X (thioether = Me2S, tx, X = SO3CF3; thioether = Me2S, X = PF6) are reported.
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