摩熵化学
数据库官网
小程序
打开微信扫一扫
首页 分子通 化学资讯 化学百科 反应查询 关于我们
请输入关键词

(Me5C5)2YbI(THF) | 401817-90-1

中文名称
——
中文别名
——
英文名称
(Me5C5)2YbI(THF)
英文别名
(C5Me5)2YbI*thf;Cp*2Yb(III)(THF)I
(Me<sub>5</sub>C<sub>5</sub>)<sub>2</sub>YbI(THF)化学式
CAS
401817-90-1
化学式
C24H38IOYb
mdl
——
分子量
642.51
InChiKey
XCXZCEUDPXGDKP-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):
    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:
    4,4'-二甲氧基-2,2'-联吡啶(Me5C5)2YbI(THF)甲苯 为溶剂, 以68%的产率得到[(pentamethylcyclopentadienyl)2Yb(4,4'-dimethoxy-2,2'-bipyridine)][(pentamethylcyclopentadienyl)2YbI2]
    参考文献:
    名称:
    十甲基蝶茂与4,4'-双取代联吡啶的配位配合物:镧系元素配合物自旋耦合的实验研究
    摘要:
    (C 5 Me 5)2 Yb与一系列4,4'-双取代的联吡啶Bipy-X的顺磁性1:1配位络合物,其中X为Me,t- Bu,OMe,Ph,CO 2 Me和已准备好CO 2 Et。所有的配合物都是顺磁性的,并且磁化率的值随温度的变化表明,这些值小于阳离子的预期值[[C 5 Me 5)2 Yb(III)(bipy-X)] +,已被分离为阳离子-阴离子对[(C 5 Me 5)2 Yb(III)(bipy-X)] + [(C5 Me 5)2 YbI 2 ] -,其中X是CO 2 Et,OMe和Me。的1点定位在联吡啶-X环6,6'位点的次甲基共振1 H NMR化学位移(293 K)示出了具有χ的值的线性关系Ť(300K)的中性配合物,其示出了分子行为不依赖于相,只有一个例外,即(C 5 Me 5)2 Yb(bipy-Me)。4,4'-二甲基联吡啶复合物的单晶在228 K处发生不可逆的突然一阶相变,
    DOI:
    10.1021/om051051d
  • 作为产物:
    描述:
    四氢呋喃 、 (Me5C5)2YbI 以38%的产率得到(Me5C5)2YbI(THF)
    参考文献:
    名称:
    [Cp * 2 Yb] 2(μ-Me)和[Cp * 2 Yb] 2(μ-Me)(Me)以及相关的Yb 2(II,III)和Yb 2(III,III)化合物的合成和反应
    摘要:
    针对[Cp * 2 Yb] 2(μ-X)和[Cp * 2 Yb] 2(μ-X)(X),开发了一种新型的称为氧化甲基化的合成方法,其中X = Me,使用MeCu或Cp * 2 VMe作为甲基转移试剂,而Cp * 2 Yb。合成方法扩展到其他X衍生物,例如卤化物和BH 4。[Cp * 2 Yb] 2(μ-Me)(Me)与H 2反应生成混合价氢化物[Cp * 2 Yb] 2(μ-H),在缓慢加热下消除H 2,形成Cp * 2岁 当Cp * 2时用Cp * 2 TiX代替VX ,分离出基于Ti(III,d 1)的1:1加合物。[Cp * 2 Yb](μ-Me)[TiCp * 2 ]的X射线晶体结构表明,甲基以接近线性的方式桥接两个不同的十甲基金属茂片段,这种几何形状很可能类似于过渡单电子转移前体复合物的状态。对混合氢化物[Cp * 2 Yb] 2(μ-H)的CASSCF计算研究表明,基态是自旋双峰
    DOI:
    10.1021/acs.organomet.7b00384
点击查看最新优质反应信息

文献信息

  • Coordination of 2,2‘-Bipyridyl and 1,10-Phenanthroline to Substituted Ytterbocenes:  An Experimental Investigation of Spin Coupling in Lanthanide Complexes
    作者:Madeleine Schultz、James M. Boncella、David J. Berg、T. Don Tilley、Richard A. Andersen
    DOI:10.1021/om010661k
    日期:2002.2.1
    coupling is changed by the nature of the substituents on the cyclopentadienide rings; electron-withdrawing SiMe3 groups favor Yb(II), while electron-donating alkyl groups stabilize the Yb(III) species. The molecular structures of many of the compounds have been determined in the solid state, and the bond distances and angles are consistent with the interpretation of the magnetism. The ring substituents, and
    将2,2′-联吡啶基添加到抗磁性(Me 5 C 5)2 Yb(OEt 2)中,得到褐色加合物(Me 5 C 5)2 Yb(bipy)。溶液的1 H NMR和电子吸收光谱表明,联吡啶配合物是顺磁性的,含有联吡啶基阴离子,也可以在固态红外光谱和单晶X射线晶体学分析中检测到。然而,所测得磁矩,其从低于1个μ变化乙以5K至2.5μ乙在300 K,高于预期用于(ME 5 Ç 5)2的YbII(联吡啶0)和小于预期(ME 5 Ç 5)2III(联吡啶- )。为(III)之间的自旋耦合的电子交换模式,与电子组态4F 13,而在联吡啶自由基阴离子单不成对电子被呈现,基于与所述化物盐[(ME对比5 Ç 5)2III( bipy 0)] + [I] -。比较(Me 5 C 5)2的磁化率Yb(phen)及其盐与咯啉作为配体表现出相似的行为。顺磁性的程度以及因此的交换耦合因环戊二烯环上取代基的性质而改变;吸电子的SiMe
  • Ligand Substituent Effect Observed for Ytterbocene 4‘-Cyano-2,2‘:6‘,2‘ ‘-terpyridine
    作者:Jacqueline M. Veauthier、Eric J. Schelter、Christopher J. Kuehl、Aurora E. Clark、Brian L. Scott、David E. Morris、Richard L. Martin、J. D. Thompson、Jaqueline L. Kiplinger、Kevin D. John
    DOI:10.1021/ic050148p
    日期:2005.8.1
    A new N-heterocyclic complex of ytterbocene (Cp*Yb-2(II), CP* = C5Me5) has been prepared by the addition of 4'-cyano-2,2':6',2"-terpyridine (tpyCN) to CP*Yb-2(II)(OEt2) in toluene to give a dark blue species designated as CP*Yb-2(tpyCN). The effect of the electron-withdrawing group (-C equivalent to N) on the redox potentials of the charge-transfer form of this complex [in which an electron is transferred from the f(14) metal center to the lowest unoccupied (pi*) molecular orbital of the tpyCN ligand to give a 4f(13)-pi*(1) electronic configuration] has been quantified by cyclic voltammetry. The tpyCN ligand stabilizes this configuration by 60 mV more than that in the unsubstituted tpy ligand complex and by 110 mV more than that in the unsubstituted bpy ligand complex. Magnetic susceptibility measurements corroborate the enhanced stabilization of the 4f(13)-pi*(1) configuration by the substituted terpyridyl ligand complex. Furthermore, the temperature dependence of the magnetic data is most consistent with a thermally induced valence tautomeric equilibrium between this paramagnetic 4f(13)-pi*(1) form that dominates near room temperature and the diamagnetic 4f(14)-pi*(0) form that dominates at low temperature. Differing coordination modes for the tpyCN ligand to the ytterbocene center have also been confirmed by isolation and X-ray crystallographic characterization of complexes binding through either the cyano nitrogen of tpyCN or the three terpyridyl nitrogen atoms of tpyCN.
查看更多