[((pyridine)Pt(μ-CH3CO2)2)2](2+) | 168069-26-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 英文名称: [((pyridine)Pt(μ-CH3CO2)2)2](2+)
• CAS: 168069-26-9
• 化学式: C₁₈H₂₂N₂O₈Pt₂
• 分子量: 784.541
• InChiKey: UZGQZGDXBFYUSM-UHFFFAOYSA-J

反应信息

• 作为产物：
  描述：

  吡啶 、 [Pt2(μ-OAc)₄(OH₂)₂](trifluoromethanesulfonate)₂ 、 N,N-二甲基甲酰胺 以 N,N-二甲基甲酰胺 为溶剂， 生成 [(pyridine)Pt(μ-CH3CO2)4Pt(N,N-dimethylformamide)](2+) 、 [((pyridine)Pt(μ-CH3CO2)2)2](2+)
  参考文献：
  名称：

  Preparation, Crystal Structures, and Properties of the Acetate-Bridged Platinum(III) Compounds [{(H2O)Pt(.mu.-CH3CO2)2}2]A2 (A- = ClO4-, CF3SO3-)

  摘要：

  Reaction of K-2[Pt(NO2)(4)] With CH3CO2H/H2O/HA, where HA = HClO4, CF3SO3H, or HNO3, gave [{(H2O)Pt(mu-CH3CO2)(2)}(2)]A(2). With nitrite highly enriched in N-15, the reactions which led to these final products were followed by Pt-195 NMR, and intermediate platinum(III) complexes were identified. Crystal structures were determined by X-ray diffraction for the perchlorate and trifluoromethanesulfonate salts: for [{(H2O)Pt(mu-CH3CO2)(2)}(2)](ClO4)(2), monoclinic crystal system, space group P2(1)/c, a = 8.113(4) Angstrom, b = 8.279(2) Angstrom, c = 14.892(7) Angstrom, beta = 101.16(2)degrees, V = 981.4(7) Angstrom(3), Z = 2, Pt-Pt = 2.3906(13) Angstrom; for [{(H2O)Pt(mu-CH3CO2)(2)}(2)](CF3SO3)(2) . 4H(2)O, monoclinic crystal system, space group P2(1)/c, a = 8.162(2) Angstrom, b = 8.982(1) Angstrom, c = 19.404(6) Angstrom, beta = 95.51(1)degrees, V = 1416.0(5) Angstrom(3), Z = 2, Pt-Pt = 2.3929(6) Angstrom. In water, there was rapid conversion to a complex with three acetate bridges. In acetic acid or dmf, there was replacement of the axial water ligands by acetate or dmf, respectively, but the tetra-acetate-bridged structure remained intact for several hours. Some axially-substituted derivatives were obtained in solution by addition of ligands to a dmf solution of the trifluoromethanesulfonate salt and were characterized by Pt-195 NMR. Solids [{XPt(mu-CH3CO2)(2)}(2)] were isolated with X = Cl, Br. The crystal structures of [{(H2O)Pt(mu-CH3CO2)(2)}(2)]A(2) showed Pt-Pt-O(acetate) angles slightly less than 90 degrees. This, together with very low shielding of the carboxylate carbon nuclei in the tetra-acetate-bridged complexes, was interpreted as indicating strain in these structures. UV spectra of the compounds were similar to those of sulfate- and hydrogen phosphate-bridged platinum(III) complexes with the same axial ligands.

  DOI：

  10.1021/ic00126a039