Syntheses and Structures of Functionalized [n]Cycloparaphenylenes and Related Carbon Nanohoops
功能化[n]环对亚苯基及相关碳纳米环的合成和结构
基本信息
- 批准号:1464026
- 负责人:
- 金额:$ 42万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-07-01 至 2019-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
With this award, the Chemical Synthesis program is supporting fundamental research of Professor Kung K. Wang at West Virginia University. Professor Wang will use organic reactions for the construction of a group of organic molecules called cycloparaphenylenes (CPPs) and related carbon nanohoops. The structures of CPPs represent the shortest segments of the repeating hoop-like structures of armchair carbon nanotubes. The intense current interest in CPPs is due in part to the possibility of using these hoop-like molecules as templates for growing armchair single-walled carbon nanotubes. This synthetic approach offers a potential advantage over existing empirical methods in its potential to produce carbon nanotubes of a uniform diameter and structural arrangement, two factors of critical importance for applications in a variety of nanotechnology fields, including electronics, energy, and nanophotonic devices. Professor Wang will integrate the research and educational components of this project by training graduate students in the design of new synthetic strategies and by providing them with the opportunities to acquire high-level laboratory skills. The development of well-trained synthetic organic chemists during the course of their involvements in this research project will add to the human resources for chemical and pharmaceutical industries. In addition, undergraduate students who are selected to participate in the West Virginia University NSF-Research Experiences for Undergraduates program and in the WVU Summer Undergraduate Research Experience program will be invited to participate in this research project. Many of these undergraduate students are from populations that are underrepresented in higher education or are first generation college students. Providing the opportunity to involve these students in a research environment during their college years will encourage them pursue careers in STEM. In this research, new methods will be developed for the synthesis of CPPs. Specifically, the use of the Diels-Alder reactions between 1,4-bis(haloaryl)-1,3-dienes and dienophiles are expected to produce precursors of functionalized CPPs and related carbon nanohoops with diverse structural features. The high stereoselectivity of the Diels-Alder reaction will place the two haloaryl substituents on the same side of the resulting cyclohexenyl structure, which is essential for the success of the subsequent homo- or cross-coupling step to form macrocyclic CPP precursors. Oxidative aromatization of the CPP precursors, either with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone or other oxidizing agents, is expected to lead to the corresponding CPPs.
化学合成项目将以该奖项支持西弗吉尼亚大学王琨教授的基础研究。王教授将利用有机反应来构建一组被称为环对苯乙烯(CPPs)的有机分子和相关的碳纳米环。CPPs的结构代表了扶手椅碳纳米管重复环状结构的最短片段。目前对CPPs的强烈兴趣部分是由于使用这些环状分子作为生长扶手椅单壁碳纳米管的模板的可能性。这种合成方法比现有的经验方法具有潜在的优势,因为它有可能生产出直径和结构排列均匀的碳纳米管,这两个因素对各种纳米技术领域的应用至关重要,包括电子、能源和纳米光子器件。王教授将通过培训研究生设计新的合成策略,并为他们提供获得高水平实验室技能的机会,将该项目的研究和教育内容结合起来。训练有素的合成有机化学家在参与这项研究项目的过程中得到发展,将增加化学和制药工业的人力资源。此外,被选中参加西弗吉尼亚大学nsf本科生研究经历项目和西弗吉尼亚大学夏季本科生研究经历项目的本科生将被邀请参加本研究项目。这些本科生中有许多来自高等教育中代表性不足的群体,或者是第一代大学生。在大学期间为这些学生提供参与研究环境的机会,将鼓励他们从事STEM领域的职业。在本研究中,将开发新的方法来合成cps。具体来说,利用1,4-二(卤代芳基)-1,3-二烯和亲二烯试剂之间的Diels-Alder反应有望生产具有不同结构特征的功能化CPPs前体和相关碳纳米环。Diels-Alder反应的高立体选择性将使两个卤代基取代基位于生成的环己烯基结构的同侧,这对于随后形成大环CPP前体的同源或交叉偶联步骤的成功至关重要。CPP前体与2,3-二氯-5,6-二氰-1,4-苯醌或其他氧化剂发生氧化芳构化反应,有望生成相应的CPP。
项目成果
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Kung Wang其他文献
Distribution of soil organic carbon within aggregate size fraction following the conversion of cropland to black locust forest on the southern Loess Plateau, China
黄土高原南部退耕还槐后土壤有机碳聚集体尺寸分布
- DOI:
10.2489/jswc.74.1.59 - 发表时间:
2019 - 期刊:
- 影响因子:3.9
- 作者:
Baiqiao Li;Guanglu Li;Yu Fu;Kung Wang - 通讯作者:
Kung Wang
Tensile yield behavior of Fe–30Mn–3Al–3Si twining-induced plasticity steel
Fe~30Mn~3Al~3Si孪生塑性钢的拉伸屈服行为
- DOI:
10.1016/j.msea.2015.04.065 - 发表时间:
2015-06 - 期刊:
- 影响因子:0
- 作者:
Kung Wang;Zhendong Li;Yingjie Huang;Dan Wang;Fusheng Han - 通讯作者:
Fusheng Han
Kung Wang的其他文献
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{{ truncateString('Kung Wang', 18)}}的其他基金
Syntheses and Structures of [n]Cyclophenacenes and Related Carbon Nanobelts
[n]环苯并苯及相关碳纳米带的合成和结构
- 批准号:
1853456 - 财政年份:2019
- 资助金额:
$ 42万 - 项目类别:
Standard Grant
MRI: Acquisition of an In situ Infrared Spectroscopy System for Research and Teaching
MRI:采购用于研究和教学的原位红外光谱系统
- 批准号:
1427136 - 财政年份:2014
- 资助金额:
$ 42万 - 项目类别:
Standard Grant
MRI: Acquisition of an Automated Single-Crystal X-Ray Diffractometer for Research and Teaching
MRI:购买自动单晶 X 射线衍射仪用于研究和教学
- 批准号:
1336071 - 财政年份:2013
- 资助金额:
$ 42万 - 项目类别:
Standard Grant
Syntheses and Applications of Nonplanar Polycyclic Aromatic Compounds
非平面多环芳香族化合物的合成及应用
- 批准号:
0909613 - 财政年份:2009
- 资助金额:
$ 42万 - 项目类别:
Continuing Grant
New Architectures of Polycyclic Aromatic Compounds
多环芳香族化合物的新结构
- 批准号:
0414063 - 财政年份:2004
- 资助金额:
$ 42万 - 项目类别:
Continuing Grant
Development of New Cascade Sequences for the Construction of Novel Chemical Structures
开发用于构建新型化学结构的新级联序列
- 批准号:
9618676 - 财政年份:1997
- 资助金额:
$ 42万 - 项目类别:
Standard Grant
Synthesis and Reactions of Biradicals and o-Quinodimethanes
双自由基和邻醌二甲烷的合成与反应
- 批准号:
9307994 - 财政年份:1993
- 资助金额:
$ 42万 - 项目类别:
Continuing Grant
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