Synthesis and Study of Non-Kekule Molecules
非凯库勒分子的合成与研究
基本信息
- 批准号:9321241
- 负责人:
- 金额:$ 30.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1994
- 资助国家:美国
- 起止时间:1994-01-01 至 1997-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This proposal requests funds to examine a series of disjoint biradicals by chemical and spectroscopic methods. Molecular orbital calculations have predicted that disjoint biradicals will possess a singlet ground state. Previous work from this laboratory has resulted in finding a triplet ground state disjoint biradical. This contradiction of theory will be pursued further with new examples which have rigidly defined structures for comparison to theoretical calculations. Non-alternant biradicals will be explored, which contain in some fashion, cyclopentadiene rings. The interplay between structure and multiplicity of these biradicals will be explored, where lower membered systems are expected to be singlets and higher membered systems triplets. This grant from the Organic Dynamics Program supports the continuing work of Professor Paul Dowd at the University of Pittsburgh. The chemical and spectroscopic properties of a novel series of reactive intermediates known as biradicals will be examined. Biradicals are molecules where there are an odd number of electron at two sites. For example, in a hydrocarbon biradical, two carbon atoms will each be bonded to three other carbon atoms and have one unbonded electron. The two odd electrons may have spins paired (a singlet) or unpaired (a triplet). The lowest energy states (singlet or triplet) of the biradicals will be determined experimentally as a function of structure. These results will be compared to theoretical calculations.
该提案要求基金通过化学和光谱学方法检查一系列不接合的双基。分子轨道计算预测,不接合的双基将具有单线态基态。该实验室以前的工作已经发现了三态基态不接合的双基。这个理论的矛盾将用新的例子来进一步探讨,这些例子具有严格定义的结构,以便与理论计算进行比较。我们将探讨以某种方式含有环戊二烯环的非交替双基化合物。这些双基的结构和多样性之间的相互作用将被探索,其中较低的成员系统预计是单线和较高的成员系统三重。这项来自有机动力学计划的拨款支持了匹兹堡大学保罗·多德教授的继续工作。化学和光谱性质的一个新的系列反应中间体称为双自由基将被检查。双基是指两个位置都有奇数个电子的分子。例如,在碳氢化合物的双基中,两个碳原子将分别与另外三个碳原子成键,并有一个未成键的电子。两个奇数电子的自旋可以是成对的(单线态),也可以是非成对的(三重态)。双基的最低能态(单重态或三重态)将被实验确定为结构的函数。这些结果将与理论计算进行比较。
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)
数据更新时间:{{ journalArticles.updateTime }}
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
Joseph Grabowski其他文献
Effect of the Normal Microflora on Survival of <em>Salmonella typhimurium</em> Inoculated into a Hydroponic Nutrient Solution
- DOI:
10.4315/0362-028x-48.10.879 - 发表时间:
1985-10-01 - 期刊:
- 影响因子:
- 作者:
Eve C. Riser;Joseph Grabowski;Edward P. Glen - 通讯作者:
Edward P. Glen
Microbiology of Hydroponically-Grown Lettuce
- DOI:
10.4315/0362-028x-47.10.765 - 发表时间:
1984-10-01 - 期刊:
- 影响因子:
- 作者:
Eve C. Riser;Joseph Grabowski;Edward P. Glenn - 通讯作者:
Edward P. Glenn
Joseph Grabowski的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
{{ truncateString('Joseph Grabowski', 18)}}的其他基金
Targeted Interventions for Enhanced Retention of Chemistry Graduate Students
提高化学研究生保留率的有针对性的干预措施
- 批准号:
1458071 - 财政年份:2015
- 资助金额:
$ 30.5万 - 项目类别:
Standard Grant
GK-12: The Pittsburgh Partnership for ENERGIZing Science in Urban Schools
GK-12:匹兹堡城市学校科学活力合作伙伴关系
- 批准号:
0338135 - 财政年份:2004
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Making, Modeling, or Measuring Molecules: A Research Experience for Undergraduates
制造、建模或测量分子:本科生的研究经历
- 批准号:
0353856 - 财政年份:2004
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Research Experiences for Undergraduates in Chemistry at the University of Pittsburgh
匹兹堡大学化学专业本科生的研究经历
- 批准号:
0097486 - 财政年份:2001
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Mechanistic Investigations into Fundamental Organic Reactions
基本有机反应的机理研究
- 批准号:
9407080 - 财政年份:1994
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Presidential Young Investigator Award/Organic Ion-Molecule Chemistry
总统青年研究员奖/有机离子分子化学
- 批准号:
9196163 - 财政年份:1991
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Intrinsic Reactivity from Competitive Ion-Molecule Reactions in the Gas-Phase
气相竞争性离子-分子反应的固有反应性
- 批准号:
9196164 - 财政年份:1991
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Intrinsic Reactivity from Competitive Ion-Molecule Reactions in the Gas-Phase
气相竞争性离子-分子反应的固有反应性
- 批准号:
9001697 - 财政年份:1990
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Presidential Young Investigator Award/Organic Ion-Molecule Chemistry
总统青年研究员奖/有机离子分子化学
- 批准号:
8552742 - 财政年份:1986
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
相似国自然基金
Incentive and governance schenism study of corporate green washing behavior in China: Based on an integiated view of econfiguration of environmental authority and decoupling logic
- 批准号:
- 批准年份:2024
- 资助金额:万元
- 项目类别:外国学者研究基金项目
A study on prototype flexible multifunctional graphene foam-based sensing grid (柔性多功能石墨烯泡沫传感网格原型研究)
- 批准号:
- 批准年份:2020
- 资助金额:20 万元
- 项目类别:
相似海外基金
Study on seslective synthesis of alternative chemical materials originated from biomass by using non-equilibrium plasma
非平衡等离子体选择性合成生物质替代化学材料的研究
- 批准号:
23603001 - 财政年份:2011
- 资助金额:
$ 30.5万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study of Ultra-rapid Synthesis of Hydrogen from Methane by the Control of Non-linear Catalytic Reactions
非线性催化反应控制甲烷超快速合成氢气的研究
- 批准号:
07405037 - 财政年份:1995
- 资助金额:
$ 30.5万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Synthesis and Study of Non-Keukule Molecules
非Keukule分子的合成与研究
- 批准号:
9019814 - 财政年份:1991
- 资助金额:
$ 30.5万 - 项目类别:
Continuing Grant
Synthesis and Study of Natural and Non-natural Antiproliferative Agents
天然和非天然抗增殖剂的合成与研究
- 批准号:
8322894 - 财政年份:1988
- 资助金额:
$ 30.5万 - 项目类别:
Synthesis and Study of Natural and Non-natural Antiproliferative Agents
天然和非天然抗增殖剂的合成与研究
- 批准号:
8227972 - 财政年份:1988
- 资助金额:
$ 30.5万 - 项目类别:
Synthesis and Study of Natural and Non-natural Antiproliferative Agents
天然和非天然抗增殖剂的合成与研究
- 批准号:
9028591 - 财政年份:1988
- 资助金额:
$ 30.5万 - 项目类别:
Synthesis and Study of Natural and Non-natural Antiproliferative Agents
天然和非天然抗增殖剂的合成与研究
- 批准号:
7195097 - 财政年份:1988
- 资助金额:
$ 30.5万 - 项目类别:
Synthesis and Study of Natural and Non-natural Antiproliferative Agents
天然和非天然抗增殖剂的合成与研究
- 批准号:
8040197 - 财政年份:1988
- 资助金额:
$ 30.5万 - 项目类别:
Synthesis and Study of Natural and Non-natural Antiproliferative Agents
天然和非天然抗增殖剂的合成与研究
- 批准号:
7811820 - 财政年份:1988
- 资助金额:
$ 30.5万 - 项目类别:
Synthesis and Study of Natural and Non-natural Antiproliferative Agents
天然和非天然抗增殖剂的合成与研究
- 批准号:
8606286 - 财政年份:1988
- 资助金额:
$ 30.5万 - 项目类别: