| 121616-19-1

• CAS: 121616-19-1
• 化学式: C₅₁H₄₇IrN₄OP₂Ru
• 分子量: 1087.2
• InChiKey: SBCNLRJOXDMKSS-MDWSMISRSA-N

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

• 作为反应物：
  描述：

  在 氢气 作用下， 以 异丙醇 、 甲苯 为溶剂， 生成
  参考文献：
  名称：

  间接协同效应导致在含偶氮酸酯作为桥联配体的双金属均相催化剂中产生协同作用

  摘要：

  The binuclear compounds [H(CO)(PPh3)2Ru(mu-bim)Ir(COD)] (1) (bim = 2,2'-biimidazolate, COD = 1,5-cyclooctadiene) and [H(CO)(PPh3)2Ru(mu-pz)2Ir(TFB)] (2) (pz = pyrazolate, TFB = tetrafluorobenzobarrelene) are more active catalysts for the hydrogenation of cyclohexene than the mononuclear parent compounds [RuH(Hbim)(CO)(PPh3)2], [Ir(Hbim)(COD)], [RuH(pz)(CO)(Hpz)(PPh3)2], and [Ir(TFB)-(Hpz)2]BF4. In the presence of 1, the reaction rate is first order with respect to the concentration of 1 and cyclohexene, second order with respect to hydrogen pressure, and inversely proportional to the concentration of added phosphine. For the reaction catalyzed by 2, the experimental data are in accordance with a rate expression of the form -d[cyclohexene]/dt = k[2][cyclohexene]P(H2) [P(H2) = hydrogen pressure]. On the basis of the kinetic results and experimental evidence, the origin of the catalytic synergism is assigned to indirect cooperative effects between the metallic centers of the binuclear complexes. The kinetic investigation of the hydrogenation of cyclohexene catalyzed by [Ir(mu-pz)(TFB)]2 (3) is also reported, suggesting that the full catalytic cycle involves binuclear species.

  DOI：

  10.1021/om00047a039
• 作为产物：
  描述：

  (1,5-cyclooctadiene)(methoxy)iridium(I) dimer 、 μ-2,2'-bi-imidazolato-hydrido-carbonyl-bis(triphenylphosphine)ruthenium 以 甲醇 为溶剂， 以89%的产率得到
  参考文献：
  名称：

  Ru和Os与异双金属M–M'（M = Ru或Os； M'= Rh，Ir或Au）化合物与吡唑酸酯或咪唑酸酯类配体的单核配合物的合成。[（Ph 3 P）2（OC）HRu（µ-bim）Rh（cod）]的X射线晶体结构（bim = 2,2'-双咪唑的二价阴离子，cod =环八-1.5 -二烯）

  摘要：

  报道了几种单-和多-（二，三或四）核化合物的合成和表征。单核化合物的类型为[MH（CO）（HL）（PPh 3）2 ] [M = Ru或Os; [HL = Hbim（2,2'-联咪唑单阴离子），Hbbzim（2,2'-联苯咪唑单阴离子）]或[RuH（pz）（CO）（Hpz）（PPh 3）2 ] [Hpz（吡唑）]。它们与[{M'（µ-OMe）（二烯烃）} 2 ] [M'= Rh或Ir; 二烯烃=环-八-1,5-二烯（cod）或四氟苯并戊烯（四氟苯并-[5,6]双环[2.2.2]八-2,5,7-三烯）（tfbb）}，得到异双核配合物[ （Ph 3 P）2（OC）HMLM'（二烯烃）]。在这些化合物中的某些化合物中，二烯烃可以很容易地被一氧化碳取代，从而产生[（Ph 3 P）2（OC）HRuL 2 M'（CO）2 ] [L 2 = bbzim，M'= Rh；L 2＝（pz）2，M'＝ Rh或Ir]。[（Ph

  DOI：

  10.1039/dt9900003465

文献信息

• Hydrogen-transfer catalytic synergism in binuclear complexes containing 2,2'-biimidazolate as a bridging ligand
  作者：Miguel A. Esteruelas、Maria P. Garcia、Ana M. Lopez、Luis A. Oro

  DOI：10.1021/om00038a030

  日期：1992.2

  The binuclear compounds [H(CO)(PPh3)2Ru(mu-bim)M(COD)] (bim = 2,2'-biimidazolate, COD = 1,5-cyclooctadiene, M = Rh, Ir) are more active catalysts for the reduction of cyclohexanone, styrene, and alpha,beta-unsaturated ketones (benzylideneacetophenone or benzylideneacetone), by hydrogen-transfer reactions from 2-propanol, than the mononuclear parent compounds [RuH(Hbim)(CO)(PPh3)2] and [M(Hbim)(COD)] (M = Rh, Ir). For the reduction of benzylideneacetone catalyzed by [H(CO)(PPh3)2Ru(mu-bim)Ir(COD)], the experimental kinetic data are in accordance with an expression of the form -d[benzylideneacetone]/dt = kappa[Ru-Ir][benzylideneacetone]. On the basis of these kinetic results and other experimental evidence, a mechanism for this reaction is proposed. The full catalytic cycle involves binuclear species. The hydrogen transfer proceeds via the ruthenium atom, while the iridium center acts as the core of a metal-ligand complex of variable electron density.