Borane Clusters: Synthetic and Mechanistic Investigations

在无机、生物无机和 有机化学博士唐纳德F。盖恩斯会 研究了含硼硼化合物的反应机理， 聚集分子并合成新的分子 类型.除了提供对这一点的更深入理解之外， 化学的重要领域，结果有潜力 在能量存储和固态材料中的应用。 该项目结合了探索性的综合研究， 硼氢化物簇分子及其衍生物， 对其形成机制的研究， 重排和反应反应机理和 硼烷和碳硼烷的选定衍生物的重排 团簇将使用立体定向硼 同位素标记作为诊断探针和B-10和B-11 NMR 光谱分析新的途径和机制途径 硼烷的单烷基化和多烷基化将使用 基于最近的新催化剂的各种方法， 烷基化剂长寿命的中间体形成于 三烷基锡对硼-卤键的还原反应 将对这些数据进行表征。V族的新类别- 含有杂原子的硼簇将使用 替代策略，例如同时插入硼 和氮，最近使用的策略的扩展， 制备新型含氮、含磷硼烷 集群

With support from the Inorganic, Bioinorganic and Organometallic Chemistry Program Dr. Donald F. Gaines will investigate the mechanisms of reactions of boron-containing cluster molecules and also synthesize new molecules of this type. In addition to providing a deeper understanding of this important area of chemistry, the results have potential applications in energy storage and solid state materials. This project combines exploratory synthetic investigations of boron hydride cluster molecules and their derivatives with investigations of the mechanisms of their formation, rearrangement and reactions. The mechanisms of reactions and rearrangements of selected derivatives of borane and carborane clusters will be investigated using stereospecific boron isotopic labeling as the diagnostic probe and B-10 and B-11 NMR spectroscopic analysis. New routes and mechanistic pathways for the mono- and polyalkylation of boranes will be developed using a variety of approaches based on recent new catalysts and alkylating agents. The long-lived intermediate formed during the hydridic reduction of boron-halogen bonds by trialkyltin hydrides will be characterized. Novel classes of group-V- containing heteroatom boron clusters will be prepared using alternative strategies such as simultaneous insertion of boron and nitrogen, extensions of the strategies used recently to prepare new types of nitrogen- and phosphorus-containing borane clusters.