Intermolecular and Intramolecular Electron Transfer Reactions

分子间和分子内电子转移反应

• 批准号: 0240197
• 负责人: Stephen Nelsen
• 金额: $ 40.5万
• 依托单位: University of Wisconsin-Madison
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2003
• 资助国家: 美国
• 起止时间: 2003-05-01 至 2006-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0240197&HistoricalAwards=false
• 关键词: Intermolecular; Intramolecular; Electron; Transfer; Reactions

With this renewal proposal the Organic and Macromolecular Chemistry Program supports the on- going work of Professor Stephen Nelsen in the Department of Chemistry at the University of Wisconsin- Madison. This work by Professor Nelsen outlines several mechanistic studies of electron transfer in various bridged donor-acceptor compounds, primarily bis-hydrazines. Professor Nelsen seeks to continue his work on the mechanistic and energetic aspects of intramolecular electronic transfer using a synthetic, measurement, and modeling approach to focus on six well-defined questions. In this proposal he has identified the most important technical and conceptual problems in the electron transfer field, and success with this proposal will go a long way toward solving these problems. Investigation of chemical reactivity in physical organic chemistry has long been the realm of electron pair transfer reactions. However, single electron transfer has attracted increasing attention where the interest has been concerned with outer- sphere reactions and with more complex processes where electron transfer is coupled with bond breaking or bond formation. There is much to be discovered in this field in terms of mechanisms and reactivity and Professor Nelson's work will go a long way toward making these discoveries. Electron transfer reactions are very important in both chemistry and biology, and are found, for example, in photosynthesis and respiration, two very important life processes. In general, science as a whole and society will naturally benefit from the training that Professor Nelsen will provide younger scientists in this important area of chemical research.With this Award, the Organic and Macromolecular Chemistry Program of the Division of Chemistry supports the research activities of Professor Stephen Nelsen in the Department of Chemistry at the University of Wisconsin- Madison. Professor Nelsen continues to be a world leader in understanding electron transfer reactions. In addition to answering some fundamental questions in physical organic chemistry, post-doctoral and graduate students will receive unique training in synthesis, measurement, and modeling of important chemical reactions.

通过这一更新提案，有机和高分子化学项目支持威斯康星大学麦迪逊分校化学系 Stephen Nelsen 教授正在进行的工作。尼尔森教授的这项工作概述了各种桥联供体-受体化合物（主要是双肼）中电子转移的几项机制研究。 Nelsen 教授寻求利用合成、测量和建模方法继续其在分子内电子转移的机械和能量方面的工作，重点关注六个明确的问题。在该提案中，他确定了电子转移领域中最重要的技术和概念问题，该提案的成功将对解决这些问题大有帮助。物理有机化学中化学反应性的研究长期以来一直是电子对转移反应的领域。然而，单电子转移引起了越来越多的关注，其中的兴趣涉及外层反应以及电子转移与键断裂或键形成相结合的更复杂的过程。该领域在机制和反应性方面还有很多有待发现，尼尔森教授的工作将为这些发现大有帮助。电子转移反应在化学和生物学中都非常重要，并且在例如光合作用和呼吸这两个非常重要的生命过程中被发现。总的来说，整个科学界和社会自然会受益于尼尔森教授在化学研究这一重要领域为年轻科学家提供的培训。通过该奖项，化学系的有机和高分子化学项目支持威斯康星大学麦迪逊分校化学系斯蒂芬·尼尔森教授的研究活动。 尼尔森教授在理解电子转移反应方面仍然处于世界领先地位。除了回答物理有机化学的一些基本问题外，博士后和研究生还将接受重要化学反应的合成、测量和建模方面的独特培训。