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Ir(H)2Cl(P(t)Bu2Ph)2 | 61663-64-7

中文名称
——
中文别名
——
英文名称
Ir(H)2Cl(P(t)Bu2Ph)2
英文别名
chloro(dihydrido)iridium;ditert-butyl(phenyl)phosphane
Ir(H)2Cl(P(t)Bu2Ph)2化学式
CAS
61663-64-7
化学式
C28H48ClIrP2
mdl
——
分子量
674.31
InChiKey
AXSNDIMSGVRVHH-UHFFFAOYSA-M
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    8.93
  • 重原子数:
    32.0
  • 可旋转键数:
    4.0
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.57
  • 拓扑面积:
    0.0
  • 氢给体数:
    0.0
  • 氢受体数:
    0.0

反应信息

  • 作为反应物:
    描述:
    Ir(H)2Cl(P(t)Bu2Ph)2氢气 作用下, 以 异丙醇 为溶剂, 以67%的产率得到pentahydridobis(phenyldi-t-butylphosphine)iridium(V)
    参考文献:
    名称:
    氢化铱和四氢硼酸盐与大叔膦配体的配合物
    摘要:
    三氯化铱与丙-2-醇中的PBu t 2 Ph或PBu t 3(L)反应生成五坐标二氢化物[IrClH 2 L 2 ]。配合物[IrClH 2(PBu t 2 Ph)2 ]与碘化钠反应生成[IrH 2 I(PBu t 2 Ph)2 ]或与一氧化碳反应生成[Ir(CO)ClH 2(PBu t 2)Ph )2 ]。与二氢和丙-2-酸钠一起,[IrClH 2 L 2 ]得到相应的五氢化物[IrH 5 L 2]。的类型的氢化物[的IrCl 3- X ħ X(PRBu吨2)2 ](一)X = 1,R = Me或(b)X = 2,R =卜吨与钠反应四氢得到配合物的[Ir (BH 4)H 2(PRBu t 2)2 ]。这些是非fluxionbl,并已通过1 H,31 P和11 B nmr光谱表征。络合物[Ir(BD 4)H 2(PBu t 3)2]和[Ir(BD 4)DH(PMeBu t 2)2 ]也通过Li
    DOI:
    10.1039/dt9760002069
  • 作为产物:
    描述:
    pentahydridobis(phenyldi-t-butylphosphine)iridium(V)盐酸 作用下, 以 乙醚 为溶剂, 以40%的产率得到Ir(H)2Cl(P(t)Bu2Ph)2
    参考文献:
    名称:
    氢化铱和四氢硼酸盐与大叔膦配体的配合物
    摘要:
    三氯化铱与丙-2-醇中的PBu t 2 Ph或PBu t 3(L)反应生成五坐标二氢化物[IrClH 2 L 2 ]。配合物[IrClH 2(PBu t 2 Ph)2 ]与碘化钠反应生成[IrH 2 I(PBu t 2 Ph)2 ]或与一氧化碳反应生成[Ir(CO)ClH 2(PBu t 2)Ph )2 ]。与二氢和丙-2-酸钠一起,[IrClH 2 L 2 ]得到相应的五氢化物[IrH 5 L 2]。的类型的氢化物[的IrCl 3- X ħ X(PRBu吨2)2 ](一)X = 1,R = Me或(b)X = 2,R =卜吨与钠反应四氢得到配合物的[Ir (BH 4)H 2(PRBu t 2)2 ]。这些是非fluxionbl,并已通过1 H,31 P和11 B nmr光谱表征。络合物[Ir(BD 4)H 2(PBu t 3)2]和[Ir(BD 4)DH(PMeBu t 2)2 ]也通过Li
    DOI:
    10.1039/dt9760002069
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文献信息

  • Ethylene hydrogenation by the hydride alkoxide species Ir(H)2(OCH2CF3)(PtBu2Ph)2. Ethylene-induced reductive elimination of alcohol from IrIII
    作者:Bryan Hauger、Kenneth G. Caulton
    DOI:10.1016/0022-328x(93)80164-7
    日期:1993.5
    and Ir(P ∼ C)H(ORf)P (3) (P ∼ C  η2-C6H4PtBu2). It is shown that 2 and 1 are in equilibrium by P and C2H4 addition/dissociation. Compound 3 is a product “late” in the reaction sequence, and results from HORf oxidative addition to 2. Since 3 reacts with ethylene to give 2, 2 and 3 are in thermal equilibrium. Compound 3 reacts readily with H2 to give IrH5P2 and RfOH. The reason why ORf and ethylene
    IR(H)2(OR ˚F)p 2(PP吨卜2博士,R ˚F CH 2 CF 3)反应用乙烯在25℃下生成R ˚F OH,乙烷和Ir(P〜C ^)p (C 2 H ^ 4)(2)然后(P〜C)(C 2 H ^ 4)2(1)和Ir(P〜C)H(OR ˚F)P(3)(P〜c ^η 2 - C 6 H 4 P t Bu 2)。结果表明2和通过P和C 2 H 4的添加/离解,使1处于平衡状态。化合物3是反应顺序中的“晚期”产物,由H = OR f氧化成2所形成。由于3种发生反应与乙烯,得到2,2和3是在热平衡。化合物3容易与H 2反应,得到IrH 5 P 2和R f OH。讨论了OR f和乙烯配体似乎互不相容的原因。
  • HX elimination from Ir(H)2X(PBu2tPh)2 promoted by CO coordination: assessment of X ligand influence
    作者:Alan C. Cooper、John C. Bollinger、John C. Huffman、Kenneth G. Caulton
    DOI:10.1039/a800525g
    日期:——
    crystalline [Ir(H)2(CO)2(PBu2tPh)2][SiF5] and [Ir(CO)2(PBu2tPh)2][SiF5]·C6D6, both characterized by X-ray diffraction. The latter, although approximately square planar, has a C–Ir–C angle of only 162.7°. Crystallographic data (Pc at -165 °C) for [Ir(H)2(CO)2(PBu2tPh)2][SiF5], a=8.293(2), b=12.462(5), c=16.333(7) Å, β=98.21(2)° with Z=2. Crystallographic data (P21/n at -172 °C) for [Ir(CO)2(PBu2tPh)2][SiF5]·C6D6
    配位不饱和配合物Ir(H)2 X(PBu 2 t Ph)2 [X = Cl,Br,I,N 3,N C NSiMe 3,NHC(O)CH 3,OC(O)CF 3,OSO 2 CF 3,OC(O)CH 3,SPh,OPh,F]均在混合时间内在芳烃溶剂中反应以结合一氧化碳。这些CO加合物随后还原性消除HX的反应性取决于配体pπ轨道和属dπ轨道之间的填充-排斥反应所引起的固有不稳定程度。这种不稳定不是当X = Cl,Br,I,N 3,N C NSiMe 3,NHC(O)CH 3或OC(O)CF 3时,足以促进HX的损失。当X = OC(O)CH 3或SPh时,形成亚稳的CO加合物,最终失去HX。含有OPh或F的配合物在与CO反应后迅速失去HX。不寻常的(I)配合物IrH(CO)2(PBu 2 t Ph)和IrH(CO)(PBu 2 t Ph)2已通过多核NMR进行了表征和红外光谱。Ir(H)2(F)(PBu
  • Poulton, Jason T.; Hauger, Bryan E.; Kuhlman, Roger L., Inorganic Chemistry, 1994, vol. 33, # 15, p. 3325 - 3330
    作者:Poulton, Jason T.、Hauger, Bryan E.、Kuhlman, Roger L.、Caulton, Kenneth G.
    DOI:——
    日期:——
  • Identification of an elusive catalyst: IrH(η2-C6H4PtBu2) (Cl)(PtBu2Ph) as a precursor for C=C bond migration
    作者:Alan C. Cooper、Kenneth G. Caulton
    DOI:10.1016/s0020-1693(96)05249-8
    日期:1996.10
    The catalytic isomerization of allylbenzene to cis/trans-beta-Me styrene in solutions containing Ir(III) hydride halide, hydride hydroxide and hydride alkoxide Ir(H)(2)X(P(t)Bu(2)Ph)(2)(X=F, Cl, Br, I, OH, OCH2CF3) is described. Large variations in isomerization rate (k(obs)) are found to correlate with the electron donating ability (pi + sigma) of the X ligand: the rate is enhanced by more effective donation by the X Ligands. A number of kinetic studies and phosphine exchange experiments utilizing a deuterium labeled phosphine, P(t)Bu(2)(d(5))Ph, indicate that the active isomerization catalyst is a 14-valence-electron Ir(III) species derived from the ortha-metallated complex, IrH(eta(2)-C(6)H(4)P(t)Bu(2))(X) (P(t)Bu(2)Ph), by phosphine dissociation. Using IrH(eta(2)-C(6)H(4)P(t)Bu(2)) (Cl)(P(t)Bu(2)Ph) as a catalyst precursor, the catalytic isomerization of alpha,alpha-d(2)-allylbenzene in the presence of an excess of 4-allyl anisole has yielded primarily d(1)-cis/trans-beta-Me styrene, which confirms that the isomerization proceeds via an insertion-elimination mechanism of a metal hydride bond.
  • Silyl reagents (Me3Si-X) efficiently transfer X to Ir(H)2F(PtBuP2Ph)2
    作者:Alan C. Cooper、John C. Huffman、Kenneth G. Caulton
    DOI:10.1016/s0020-1693(97)05851-9
    日期:1998.4
    Me3Si-X reagents react to completion at 25 degrees C in a short time to convert Ir(H)(2)FL2 (L = (PBu2Ph)-Bu-t) to Ir(H)(2)XL2. This involves formation of Ir-O, Ir-N, Ir-I, Ir-S and Ir-C(sp) bonds. Products include some pi(2)-X ligands such as carboxylate and acetamide, NHC(O)CH3. The acetamide is shown to be pi(2) in the solid state and in solution, but readily rearranges, by a transition state with Ir-O bond cleavage, to effect site exchange of the two inequivalent hydrides. The same synthetic approach succeeds for the more crowded metallated species and these reactions are shown to fail when F is replaced by Cl in the iridium reagent. Unsaturation at Ir is suggested to be central to the mechanism of these F/X transposition reactions. (C) 1998 Elsevier Science S.A.
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