Fluorinated Organometallic Complexes
氟化有机金属配合物
基本信息
- 批准号:9905750
- 负责人:
- 金额:$ 37万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1999
- 资助国家:美国
- 起止时间:1999-07-01 至 2002-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Dr. Russell P. Hughes, Department of Chemistry, Dartmouth College, is supported by the Inorganic, Bioinorganic, and Organometallic Program of the Chemistry Division to investigate processes in which a transition metal activates carbon-fluorine bonds. The principal objectives of the study are to develop the syntheses of transition-metal fluoroalkyl complexes and use these complexes as reagents to functionalize fluorocarbon chains. Reactions will be developed for the destruction of fluorocarbons to CO and HF using common reagents such as hydrogen and water. Another process that converts C-F to C-H bonds at room temperature using hydrogen gas will be investigated as route to the mild conversion of hydrofluorocarbons. The details of how the metal center is capable of activating these normally unreactive C-F bonds will be probed and the extent of pi-backbonding from the metal to antibonding C-F group orbitals will be measured.Fluorinated organic molecules play important roles in our lives and the long term quality of our environment. Chlorofluorocarbons (CFC's) and perfluorocarbons (PFC's) are thought to be responsible for ozone depletion and global warming. Replacements for these substances are the environmentally friendly hydrofluorocarbons (HFC's). Thus, there is a need to devise efficient ways to recycle and destroy CFC's and PFC's, and to prepare HFC's. This study aims toward developing transition metal centers that can make and break bonds between carbon and fluorine. It will permit metal catalysts to be developed that perform efficient and precisely controlled chemical reactions on fluorocarbons.
达特茅斯学院化学系的罗素·P·休斯博士是 由化学部无机,生物无机和有机物计划支持,研究过渡金属激活碳氟键的过程。本研究的主要目的是发展过渡金属氟烷基配合物的合成,并利用这些配合物作为试剂对氟碳链进行功能化。将开发使用氢和水等常用试剂将碳氟化合物破坏为CO和HF的反应。另一种在室温下使用氢气将C-F键转化为C-H键的方法将作为氢氟烃温和转化的途径进行研究。金属中心如何能够激活这些通常不反应的C-F键的细节将被探测,并将测量从金属到反键C-F基团轨道的π-背键的程度。氟化有机分子在我们的生活和我们的环境的长期质量中起着重要的作用。氯氟烃(CFC's)和全氟化碳(PFC's)被认为是造成臭氧消耗和全球变暖的原因。这些物质的替代品是对环境友好的氢氟碳化物(HFC)。因此,需要设计有效的方法来回收和销毁氟氯化碳和全氟化碳,并制备氢氟碳化合物。本研究的目的是开发过渡金属中心,可以建立和打破碳和氟之间的键。它将允许开发金属催化剂,对碳氟化合物进行高效且精确控制的化学反应。
项目成果
期刊论文数量(0)
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Russell Hughes其他文献
Use of magnetic resonance targeting to steer ov-loaded cell-based therapies to tumor sites in vivo
- DOI:
10.1186/2051-1426-3-s2-p339 - 发表时间:
2015-11-04 - 期刊:
- 影响因子:10.600
- 作者:
Munitta Muthana;Aneurin Kennerley;Emer Murphy;Russell Hughes;Joe Conner;Fiona Wright;Mark Lythgoe;Jon Dobson;Jim Wild;Claire Lewis - 通讯作者:
Claire Lewis
Russell Hughes的其他文献
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{{ truncateString('Russell Hughes', 18)}}的其他基金
Reactions of Transition Metal Perfluoroalkyl and Perfluoroalkylidene Complexes
过渡金属全氟烷基和全氟亚烷基配合物的反应
- 批准号:
0848354 - 财政年份:2009
- 资助金额:
$ 37万 - 项目类别:
Standard Grant
Selective Activation of Carbon-Fluorine Bonds Using Transition Metal Complexes
使用过渡金属配合物选择性活化碳氟键
- 批准号:
0518170 - 财政年份:2005
- 资助金额:
$ 37万 - 项目类别:
Standard Grant
Making and Breaking Carbon-Carbon Bonds at Transition Metal Centers
过渡金属中心碳-碳键的形成和断裂
- 批准号:
9627882 - 财政年份:1996
- 资助金额:
$ 37万 - 项目类别:
Continuing Grant
Purchase of a 300 MHz Nuclear Magnetic Resonance Spectrometer
购买300 MHz核磁共振波谱仪
- 批准号:
9213480 - 财政年份:1993
- 资助金额:
$ 37万 - 项目类别:
Standard Grant
Synthetic, Structural, and Mechanistic Studies of Organo- metallic Compounds Derived from Three-Membered Organic Rings
三元有机环衍生的有机金属化合物的合成、结构和机理研究
- 批准号:
9224467 - 财政年份:1993
- 资助金额:
$ 37万 - 项目类别:
Continuing Grant
Cleavage and Formation of Carbon-Carbon Bonds by Transition Metal Complexes
过渡金属配合物对碳-碳键的断裂和形成
- 批准号:
8907397 - 财政年份:1989
- 资助金额:
$ 37万 - 项目类别:
Continuing Grant
An Annual National Organometallic Chemistry Workshop (Chemistry)
年度国家有机金属化学研讨会(化学)
- 批准号:
8420959 - 财政年份:1985
- 资助金额:
$ 37万 - 项目类别:
Continuing Grant
Organometallic Complexes Derived from Three Membered OrganicRings (Chemistry)
三元有机环衍生的有机金属配合物(化学)
- 批准号:
8218042 - 财政年份:1983
- 资助金额:
$ 37万 - 项目类别:
Continuing Grant
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