Synthetic and Mechanistic Studies in Metal Cluster Chemistry
金属簇化学的合成与机理研究
基本信息
- 批准号:8711549
- 负责人:
- 金额:$ 18.25万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1987
- 资助国家:美国
- 起止时间:1987-09-15 至 1991-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Previous participants in this research project at a primarily undergraduate institution have included a number of students currently enrolled in PhD programs in major chemistry departments. The project is expected to provide much-needed information about the mechanisms of structural transformations of metal cluster compounds. Such compounds are an important class of catalysts and are also important as precursors for the preparation of new solid materials. The photochemical synthesis of mixed transition metal clusters from mercury bridged mixed transition metal clusters (containing M = Ru, Os and M'= group VI thru group VIII, first, second or third row transition metal moiety) will be investigated. Crossover experiments using suitably labelled complexes will be conducted in order to evaluate the molecularity of the photo-induced reductive elimination of mercury which leads to formation of M2M'clusters and also to investigate the thermal exchange reactions between the starting clusters. The electron transfer chemistry of these mercury bridged metal clusters will be examined with a view towards promoting reductive elimination of mercury electro- chemically. The mechanisms of hydrogen transfer between coordinated ligands and the metal core (and the reverse reaction), in polynuclear metal clusters will be studied utilizing the observed kinetic deuterium isotope effects on these processes. The mechanisms of hydrogen transfer between metal atoms in polynuclear transition metal clusters and the relationship of this process to other ligand migrations will be studied utilizing the kinetic deuterium isotope effects previously documented for hydrogen migrations in several hydrido-metal clusters.
这项研究项目之前的参与者包括一些目前在主要化学系攻读博士学位的学生,这些学生主要是本科生。预计该项目将提供关于金属簇合物结构转变机制的急需信息。这类化合物是一类重要的催化剂,也是制备新固体材料的重要前体。研究了由汞桥的混合过渡金属簇合物(含M=Ru,Os和M‘=第VI族至族,第一、第二或第三排过渡金属部分)光化学合成混合过渡金属团簇的方法。将使用适当标记的络合物进行交叉实验,以评估导致M2M‘簇形成的光诱导还原消除汞的分子性,并研究起始簇之间的热交换反应。将审查这些汞桥金属簇的电子转移化学,以期通过电化学促进汞的还原消除。多核金属团簇中配位配体与金属核之间的氢转移(以及反向反应)的机制将利用观察到的动态氢同位素效应来研究这些过程。多核过渡金属团簇中金属原子之间的氢转移机制以及这一过程与其他配体迁移的关系将利用以前记录的氢在几个氢-金属簇中迁移的动力学氚同位素效应来研究。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Edward Rosenberg其他文献
Relative rates of reaction of Pt(en)Cl (NH<sub>2</sub>R)<sup>+</sup> with guanosine monophosphate as a function of amino group substituent: Toward efficient labeling of DNA for TEM imaging
- DOI:
10.1016/j.jorganchem.2012.11.003 - 发表时间:
2013-06-15 - 期刊:
- 影响因子:
- 作者:
Rakesh Kumar;Edward Rosenberg;Miriam Inbar Feske;Antonio G. DiPasquale - 通讯作者:
Antonio G. DiPasquale
Photophysical Studies of Novel Ruthenium Metal-Ligand Complexes Incorporated in Model Lipid-Membrane Bilayers
- DOI:
10.1016/j.bpj.2009.12.2619 - 发表时间:
2010-01-01 - 期刊:
- 影响因子:
- 作者:
Ayesha Sharmin;Laurie Franklin;Joshua C. Cochran;Reuben C. Darlington;J.B. Alexander Ross;Edward Rosenberg - 通讯作者:
Edward Rosenberg
Cluster-mediated alkenyl isomerism and carbon–carbon bond formation: The reaction of the unsaturated benzothiazole cluster [Os<sub>3</sub>(CO)<sub>9</sub>(μ<sub>3</sub>-C<sub>7</sub>H<sub>4</sub>NS)(μ-H)] with dimethyl acetylenedicarboxylate
- DOI:
10.1016/j.jorganchem.2010.02.024 - 发表时间:
2010-05-15 - 期刊:
- 影响因子:
- 作者:
Kh. Mahid Uddin;Shishir Ghosh;Arun K. Raha;Graeme Hogarth;Edward Rosenberg;Ayesha Sharmin;Kenneth I. Hardcastle;Shariff E. Kabir - 通讯作者:
Shariff E. Kabir
Synthesis, structure, photophysical and electrochemical behavior of 2-amino-anthracene triosmium clusters
- DOI:
10.1016/j.ica.2007.03.059 - 发表时间:
2008-05-05 - 期刊:
- 影响因子:
- 作者:
Ayesha Sharmin;Agnese Minazzo;Luca Salassa;Edward Rosenberg;J.B. Alexander Ross;Shariff E. Kabir;Kenneth I. Hardcastle - 通讯作者:
Kenneth I. Hardcastle
Reactions of the face-capped benzothiazolate-substituted clusters Os<sub>3</sub>(CO)<sub>9</sub>(μ<sub>3</sub>,η<sup>2</sup>-C<sub>7</sub>H<sub>3</sub>NSR)(μ-H) (R = H, Me) with PPh<sub>3</sub>: Kinetic formation of Os<sub>3</sub>(CO)<sub>9</sub>(PPh<sub>3</sub>)(μ,η<sup>2</sup>-C<sub>7</sub>H<sub>3</sub>NSR)(μ-H) and thermally induced ligand isomerization
- DOI:
10.1016/j.jorganchem.2016.10.024 - 发表时间:
2017-11-01 - 期刊:
- 影响因子:
- 作者:
Shahin A. Begum;Md. Arshad H. Chowdhury;Shishir Ghosh;Derek A. Tocher;Michael G. Richmond;Edward Rosenberg;Shariff E. Kabir - 通讯作者:
Shariff E. Kabir
Edward Rosenberg的其他文献
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{{ truncateString('Edward Rosenberg', 18)}}的其他基金
GOALI-Silica Polyamine Composites: Hybrid Materials for Nanotechnology and Catalysis
GOALI-二氧化硅聚胺复合材料:用于纳米技术和催化的混合材料
- 批准号:
1049569 - 财政年份:2011
- 资助金额:
$ 18.25万 - 项目类别:
Continuing Grant
GOALI: Structural Design at the Polymer -Surface Interface with Nanoporous Silica-Polyamine Composites
GOALI:纳米多孔二氧化硅-聚胺复合材料聚合物表面界面的结构设计
- 批准号:
0709738 - 财政年份:2007
- 资助金额:
$ 18.25万 - 项目类别:
Standard Grant
Development of an Upper Division SENCER Based Course, "Industrial Processes and Their Impact on Society"
开发基于高级 SENCER 的课程“工业流程及其对社会的影响”
- 批准号:
0310616 - 财政年份:2003
- 资助金额:
$ 18.25万 - 项目类别:
Standard Grant
Acquisition of a 500 MHz NMR spectrometer
购置 500 MHz NMR 波谱仪
- 批准号:
0321002 - 财政年份:2003
- 资助金额:
$ 18.25万 - 项目类别:
Standard Grant
Synthesis and Characterization of Novel Cross-Conjugated Carbon Structures
新型交叉共轭碳结构的合成与表征
- 批准号:
9700745 - 财政年份:1997
- 资助金额:
$ 18.25万 - 项目类别:
Standard Grant
Bond Making and Bond Breaking Processes at Transition Metal Centers
过渡金属中心的成键和断键过程
- 批准号:
9625367 - 财政年份:1996
- 资助金额:
$ 18.25万 - 项目类别:
Standard Grant
Fundamental Studies in Metal Cluster Chemistry
金属簇化学基础研究
- 批准号:
9319062 - 财政年份:1994
- 资助金额:
$ 18.25万 - 项目类别:
Standard Grant
U.S.-Italy Cooperative Research: Workshop on Organic Chemistry on Metal Clusters and Surfaces, Castello, Santa Vittoria d'Alba, Italy, July 1992
美国-意大利合作研究:金属簇和表面有机化学研讨会,Castello,圣维多利亚达尔巴,意大利,1992 年 7 月
- 批准号:
9123173 - 财政年份:1992
- 资助金额:
$ 18.25万 - 项目类别:
Standard Grant
Fundamental Processes in Metal Cluster Chemistry
金属簇化学的基本过程
- 批准号:
9016495 - 财政年份:1990
- 资助金额:
$ 18.25万 - 项目类别:
Continuing Grant
RUI-Synthetic and Mechanistic Studies in Metal Cluster Chemistry
RUI-金属簇化学的合成和机理研究
- 批准号:
8412047 - 财政年份:1984
- 资助金额:
$ 18.25万 - 项目类别:
Continuing Grant
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