Multi N-Heterocyclic Carbene Complexes of Ruthenium for the Coordination and Reactivity of Small Molecules

钌多N-杂环卡宾配合物用于小分子的配位和反应性

基本信息

  • 批准号:
    EP/I001344/1
  • 负责人:
  • 金额:
    $ 29.31万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2010
  • 资助国家:
    英国
  • 起止时间:
    2010 至 无数据
  • 项目状态:
    已结题

项目摘要

The utilisation of small molecules such as O2, H2 and N2 in chemical transformations relies on them being able to first coordinate to reactive transition metal complexes. We have recently reported (J. Am. Chem. Soc. 2009, 131, 9618; Chem. Eur. J. 2009, 15, 10912) a new ruthenium complex containing four N-heterocyclic carbene (NHC) ligands that shows selectivity in binding these gases as a function of the NHC substituents. We now wish to build upon these initial observations to see whether this Ru multi-NHC 'scaffold' can be used to incorporate the bound O2, H2 and N2 molecules into catalytic reactions (oxidation, hydrogenation etc) and, on the basis or additional preliminary results, whether we can induce more exotic types of molecules such as white phosphorus (P4) and ammonia boranes (R2HNBH3) to take part in both novel stoichiometric and catalytic transformations.Efforts will be directed at preparing new Ru(NHC)4 fragments that contain abnormally coordinated NHCs, afford reactive heteroatom hydride products and precursors to long sought after naked 16e RuL4 species for intermolecular C-H activation. We will build upon more preliminary results with a Ru(NHC)3 fragment in an effort to bring about catalytic H-X addition to alkenes. It is important to establish whether the rich chemistry of these multi-NHC complexes hinted at by our published work and preliminary data can be extended on from Ru to other transition metals, both in the same group (specifically Fe) and surrounding groups (Mo, W, Re).
小分子如O2、H2和N2在化学转化中的利用依赖于它们能够首先与反应性过渡金属络合物配位。我们最近报道(J。2009,131,9618; Chem.Eur.Chem.Soc.2009,131,9618; J. 2009,15,10912),其显示出结合这些气体的选择性作为NHC取代基的函数。我们现在希望在这些初步观察的基础上,看看这种Ru多NHC“支架”是否可以用于将结合的O2,H2和N2分子纳入催化反应中(氧化、氢化等),并且,基于或附加的初步结果,我们是否可以诱导更多的外来分子类型,如白色磷(P4)和氨硼烷(R2 HNBH 3)将努力制备含有异常配位的NHC的新Ru(NHC)4片段,提供反应性杂原子氢化物产物和前体,以长期寻求用于分子间C-H活化的裸16 e RuL 4物质。我们将建立在更多的初步结果与Ru(NHC)3片段,努力使催化H-X加成烯烃。重要的是要确定我们发表的工作和初步数据所暗示的这些多NHC络合物的丰富化学是否可以从Ru扩展到其他过渡金属,无论是在同一组(特别是Fe)还是周围的组(Mo,W,Re)。

项目成果

期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
C-F Bond Activation of P(C6F5)3 by Ruthenium Dihydride Complexes: Isolation and Reactivity of the "Missing" Ru(PPh3)3H(halide) Complex, Ru(PPh3)3HF.
  • DOI:
    10.1021/acs.inorgchem.8b02286
  • 发表时间:
    2018-10
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Mateusz K. Cybulski;Caroline J. E. Davies;J. Lowe;M. Mahon;M. Whittlesey
  • 通讯作者:
    Mateusz K. Cybulski;Caroline J. E. Davies;J. Lowe;M. Mahon;M. Whittlesey
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Mike Whittlesey其他文献

Mike Whittlesey的其他文献

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{{ truncateString('Mike Whittlesey', 18)}}的其他基金

Dual Unsaturated Transition Metal-Main Group (TM-M') Heterobimetallic Complexes for Cooperative Reactivity and Catalysis
用于协同反应和催化的双不饱和过渡金属主族(TM-M)异双金属配合物
  • 批准号:
    EP/T019743/1
  • 财政年份:
    2020
  • 资助金额:
    $ 29.31万
  • 项目类别:
    Research Grant
Catalytic Functionalisation of Aromatic Fluorocarbons
芳香族氟碳化合物的催化官能化
  • 批准号:
    EP/J009962/1
  • 财政年份:
    2012
  • 资助金额:
    $ 29.31万
  • 项目类别:
    Research Grant
A Combined Experimental and Computational Study of Bond Activation Reactions in Ruthenium N-Heterocyclic Carbene Complexes
钌N-杂环卡宾配合物中键活化反应的实验与计算联合研究
  • 批准号:
    EP/F029292/1
  • 财政年份:
    2008
  • 资助金额:
    $ 29.31万
  • 项目类别:
    Research Grant
Unravelling the photochemistry of organometallic N-heterocyclic carbene complexes
揭示有机金属N-杂环卡宾配合物的光化学
  • 批准号:
    EP/F003285/1
  • 财政年份:
    2007
  • 资助金额:
    $ 29.31万
  • 项目类别:
    Research Grant
500 MHz NMR Spectrometer to Support Organic, Bio-organic and Inorganic Chemistry
支持有机、生物有机和无机化学的 500 MHz NMR 波谱仪
  • 批准号:
    EP/D04779X/1
  • 财政年份:
    2006
  • 资助金额:
    $ 29.31万
  • 项目类别:
    Research Grant

相似国自然基金

氮杂环卡宾(N-Heterocyclic Carbene, NHC)催化下联烯酸酯参与的串联环化
  • 批准号:
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