(η(6)-p-cymene)Os(NAcC(N=Ac)NAc)(triphenylphosphine) | 210820-27-2

• 英文名称: (η(6)-p-cymene)Os(NAcC(N=Ac)NAc)(triphenylphosphine)
• CAS: 210820-27-2
• 化学式: C₃₅H₃₈N₃O₃OsP
• 分子量: 769.879
• InChiKey: DOFWAQNFANLRMG-UHFFFAOYSA-L

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 重原子数：
  None
• 可旋转键数：
  None
• 环数：
  None
• sp3杂化的碳原子比例：
  None
• 拓扑面积：
  None
• 氢给体数：
  None
• 氢受体数：
  None

反应信息

• 作为产物：
  描述：

  Os(η(6)-p-cymene)Cl2(PPh3) 、 N,N’,N’’-triacetylguanidine 在 Ag₂O 作用下， 以 二氯甲烷 为溶剂， 生成 (η(6)-p-cymene)Os(NAcC(=O)NAc)(triphenylphosphine) 、 (η(6)-p-cymene)Os(NAcC(N=Ac)NAc)(triphenylphosphine)
  参考文献：
  名称：

  Organometallic complexes of platinum-group metals incorporating substituted guanidine dianion (triazatrimethylenemethane) ligands

  摘要：

  Reactions of the platinum-group metal halide complexes [PtCl2(COD)] (COD = 1,5-cyclo-octadiene), [Cp*RhCl2(PPh3)] (Cp* = eta(5)-C5Me5), [Cp*IrCl2(PPh3)], [(p-cymene)RuCl2(PPh3)] and [(p-cymene)OsCl2(PPh3)] with symmetrically trisubstituted (acetyl or phenyl) guanidines, mediated by silver(I) oxide, give complexes formally containing the triazatrimethylenemethane ligand. A full X-ray crystal structure determination is reported for the N,N',N "-triphenylguanidine dianion complex [Pt{NPhC(=NPh)NPh}(COD)] 4a which shows the presence of a planar Pt-NR-C(=NR)-NR four-membered platinacycle. At room temperature (r.t.), the H-1- and C-13{H-1}-NMR spectra of 4a yield a single set of COD CH and CH2 resonances. At 240 K however, two sets of resonances are observed, interpreted in terms of fluxionality of the C=N-Ph moiety. Attempted synthesis of the analogous platinum triacetylguanidine complex yields the new ureylene complex [Pt{NAcC(=O)NAc}(COD)], via a hydrolysis reaction. Starting with the osmium compound, both the guanidine complex [(p-cymene)Os{NAcC(=NAc)NAc}(PPh3)] 9 and the ureylene complex [(p-cymene)Os{NAcC(=O)NAc}(PPh3)] 10 were formed; similar results were obtained for the iridium system. (C) 1998 Elsevier Science S.A. All rights reserved.

  DOI：

  10.1016/s0022-328x(97)00654-2