Photocycloadditions to Fullerenes

富勒烯的光环加成

• 批准号: 9400666
• 负责人: David Schuster
• 金额: $ 33万
• 依托单位: New York University
• 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: 1994-05-15 至 1997-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9400666&HistoricalAwards=false
• 关键词: Photocycloadditions; Fullerenes

9400666 This grant from the Organic Dynamics Program supports the work of Professors Schuster, Wilson, and Courtney at New York University to study the scope and mechanism of photocycloadditions of fullerenes by enones. The studies focus on an analysis for steric and electronic influences of the fullerene functionalizations, sensitizing and quenching experiments to address the reaction mechanism, and analysis of the interaction between the reactants by photophysical probes. Characterization of fullerene excited states and triplet 1,4-biradicals is sought by photosensitized electron transfer reactions and time-resolved photoacoustic calorimetry. In this project Drs. Schuster, Wilson, and Courtney will conduct photocycloadditions of fullerenes by a variety of enones. Their research provides a novel route to functionalize fullerenes and addresses in detail all parameters that influence the photochemical reaction pathway. The significance of their studies on fullerenes is a profound expansion of the important photocycloadditions of olefins. This research will also provide much valued information on the photochemical and photophysical properties of fullerenes.

9400666这项来自有机动力学项目的资助支持了纽约大学的Schuster、Wilson和Courtney教授对烯酮光环加成富勒烯的范围和机理的研究。研究的重点是分析富勒烯功能化的空间和电子影响，敏化和猝灭实验以解决反应机理，并利用光物理探针分析反应物之间的相互作用。利用光敏电子转移反应和时间分辨光声量热法对富勒烯激发态和1,4-双自由基的三重态进行了表征。在这个项目中，dr。Schuster， Wilson和Courtney将通过各种烯酮进行富勒烯的光环加成。他们的研究为富勒烯功能化提供了一条新的途径，并详细阐述了影响光化学反应途径的所有参数。他们对富勒烯研究的意义是对烯烃重要光环加成的深刻扩展。该研究还将为富勒烯的光化学和光物理性质提供有价值的信息。