Synthetic Entries to Early-Transition Metal Complexes Containing Terminal and Reactive Metal-Ligand Multiple Bonds

含有末端和活性金属-配体多重键的早期过渡金属配合物的合成

基本信息

  • 批准号:
    0848248
  • 负责人:
  • 金额:
    $ 51.9万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-02-01 至 2012-01-31
  • 项目状态:
    已结题

项目摘要

This Research award in the Inorganic and Organometallic Chemistry program supports work by Professor Daniel J. Mindiola at Indiana University to understand the behavior of highly polarized and thus reactive metal-ligand multiple bonds. Kinetics and reactivity studies of transient and terminal group 4 and 5 transition metal complexes having N (nitride), P (phosphide), CR2 (alkylidene) and CR (alkylidyne) moieties with unsaturated and saturated molecules are expected to reveal the role of the metal-ligand multiple bond during the activation of chemical inert molecules such as alkanes, arenes, N-heterocycles among many other small molecules that are exceedingly resistant towards activation and functionalization. The combination of new synthetic strategies to synthesize other unknown metal-ligand multiply bonded scaffolds composed of early 3d metals by a multielectron redox approach, by combining known organometallic transformations, or by modification of the ligand framework, will also unmask unprecedented chemistry and new transformations. By preparing high-valent compounds with metal-ligand multiple bonds the research being conducted is expected to develop new systems that can mask low-valent metal centers as well as catalyze reactions such as methane activation and functionalization, benzene ring-opening and polymerization, dehydrofluorination of hydrofluorocarbons, and the functionalization of N-heterocycles. In addition to chemical research a student based chapter developed at Indiana University, Bloomington, has been founded with the purpose of recruiting underrepresented groups into the physical sciences. Students trained in these laboratories are expected to represent a new generation of chemists who can prepare molecules designed to carry a specific function while conserving energy. However, the molecules are reactive, produce less waste and improve upon current practices used in the industrial setting. Synthesis and reactivity, in an atom-economical way, represents one of the program standard goals, especially now during this uncertain era for devising alternative sources of energy. Hence, after students understand how their system operates, they are able to make their reagent more efficient in achieving the specific goal for which it was designed.
无机化学和金属有机化学项目的这一研究奖支持了印第安纳大学的丹尼尔·J·明迪奥拉教授理解高度极化并因此具有反应性的金属-配体多键行为的工作。含N(氮化物)、P(磷化物)、Cr2(亚烷基)和CR(亚烷基)部分的过渡金属过渡金属络合物与不饱和和饱和分子的动力学和反应性研究有望揭示金属-配体多重键在烷烃、芳烃、N-杂环等许多其他极不利于活化和官能化的小分子活化过程中的作用。新的合成策略的结合,通过多电子氧化还原方法,通过结合已知的有机金属转化,或通过修饰配体骨架,合成由早期3D金属组成的其他未知金属-配体多键支架,也将揭示前所未有的化学和新的转化。通过制备具有金属-配体多键的高价化合物,正在进行的研究有望开发出能够掩盖低价金属中心以及催化甲烷活化和官能化、苯环开环和聚合、氢氟烃的脱氢氟化和N-杂环的官能化等反应的新体系。除了化学研究,印第安纳大学布鲁明顿分校还成立了一个以学生为基础的分会,目的是招募代表人数不足的群体进入物理学。在这些实验室接受培训的学生预计将代表新一代化学家,他们可以在节省能源的同时,制备出具有特定功能的分子。然而,这些分子是反应性的,产生的废物更少,并且改进了目前在工业环境中使用的做法。合成和反应性,以原子经济的方式,代表了计划的标准目标之一,特别是在这个设计替代能源的不确定时代。因此,在学生了解他们的系统如何操作后,他们能够使他们的试剂更有效地实现其设计的特定目标。

项目成果

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Daniel Mindiola其他文献

Daniel Mindiola的其他文献

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{{ truncateString('Daniel Mindiola', 18)}}的其他基金

CAS: Synthetic Entries to ETM with M-Ligand Multiple Bonds and Their Role in Stoichiometric and Catalytic Carbon-Hydrogen Activation and Functionalization of Volatile Alkanes
CAS:具有 M 配体多重键的 ETM 合成条目及其在挥发性烷烃的化学计量和催化碳氢活化和官能化中的作用
  • 批准号:
    2154620
  • 财政年份:
    2022
  • 资助金额:
    $ 51.9万
  • 项目类别:
    Standard Grant
MRI: Acquisition of an X-ray Absorption Fine Structure (XAFS) source for Chemical and Spectroscopic Research and Training at the University of Pennsylvania
MRI:宾夕法尼亚大学购买 X 射线吸收精细结构 (XAFS) 源用于化学和光谱研究和培训
  • 批准号:
    2117783
  • 财政年份:
    2021
  • 资助金额:
    $ 51.9万
  • 项目类别:
    Standard Grant
Constructing Metal-Carbon Multiple Bonds for Dehydrogenation and Dehydrocoupling Reactions Involving Volatile Hydrocarbons
构建涉及挥发性碳氢化合物的脱氢和脱氢偶联反应的金属-碳多重键
  • 批准号:
    1764329
  • 财政年份:
    2018
  • 资助金额:
    $ 51.9万
  • 项目类别:
    Continuing Grant
Metal-Ligand Multiple Bonds, Dehydrogenation Chemistry and Catalytic Transformations of Small Molecules Such as Methane, Ethane, Other Hydrocarbons, and N2
甲烷、乙烷、其他碳氢化合物和氮气等小分子的金属配体多重键、脱氢化学和催化转化
  • 批准号:
    1464659
  • 财政年份:
    2015
  • 资助金额:
    $ 51.9万
  • 项目类别:
    Continuing Grant
Metal-Ligand Multiple Bonds and Their Role in Alkane Metathesis, Dehydrogenation and Group-Transfer Chemistry
金属配体多重键及其在烷烃复分解、脱氢和基团转移化学中的作用
  • 批准号:
    1413945
  • 财政年份:
    2013
  • 资助金额:
    $ 51.9万
  • 项目类别:
    Standard Grant
Metal-Ligand Multiple Bonds and Their Role in Alkane Metathesis, Dehydrogenation and Group-Transfer Chemistry
金属配体多重键及其在烷烃复分解、脱氢和基团转移化学中的作用
  • 批准号:
    1152123
  • 财政年份:
    2012
  • 资助金额:
    $ 51.9万
  • 项目类别:
    Standard Grant
CAREER: New Vistas in Early-Transition Metal Complexes Containing Metal-Ligand Multiple Bonds
职业生涯:含有金属-配体多重键的早期过渡金属配合物的新前景
  • 批准号:
    0348941
  • 财政年份:
    2004
  • 资助金额:
    $ 51.9万
  • 项目类别:
    Continuing Grant

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CAS: Synthetic Entries to ETM with M-Ligand Multiple Bonds and Their Role in Stoichiometric and Catalytic Carbon-Hydrogen Activation and Functionalization of Volatile Alkanes
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