Electrophilic d-zero Metal Alkyl Complexes

亲电 d-0 金属烷基配合物

• 批准号: 9022700
• 负责人: Richard Jordan
• 金额: $ 24.62万
• 依托单位: University of Iowa
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-02-01 至 1994-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9022700&HistoricalAwards=false
• 关键词: Electrophilic; zero; Metal; Alkyl; Complexes

This award is made in the Inorganic, Bioinorganic and Organometallic Chemistry Program to the University of Iowa in support of the research of Richard F. Jordan. The main theme of the research is the synthesis, reaction mechanisms, and catalytic applications of electrophilic metal alkyl complexes. Such complexes are believed to be the active species in commercial Ziegler-Natta olefin polymerization catalysts. Four new areas of research will be probed. (1) The structures and dynamics of agostic zirconium and hafnium alkyl complexes, (2) the mechanisms of insertion and beta-H elimination reactions of cationic complexes with emphasis on ligand structure/reactivity relationships, (3) catalytically productive ligand C-H activation/C-C coupling reactions including stereoselective reactions with chiral catalysts, and (4) the synthesis and chemistry of new electrophilic metal alkyl catalysts incorporating carborane ligands. These studies will provide new insights into the mechanisms of Ziegler-Natta catalysis, new types of C-H activation chemistry and asymmetric catalysis, and new classes of electrophilic metal alkyl complexes for mechanistic studies and synthetic applications.

该奖项是在无机，生物无机和 年爱荷华州大学有机化学计划 Richard F.的研究。约旦.的主旋律 本研究主要是合成，反应机理， 亲电金属烷基络合物的催化应用。 这种络合物被认为是在生物体内的活性物质。 商业齐格勒-纳塔烯烃聚合催化剂。 将探索四个新的研究领域。(1)的结构 和无规锆和铪烷基络合物的动力学， (2)插入和β-H消除的机制 阳离子配合物反应，着重于配体 结构/反应性关系，（3）催化 生产性配体C-H活化/C-C偶联反应 包括使用手性催化剂的立体选择性反应，和 (4)新型亲电金属合成与化学 引入碳硼烷配体的烷基催化剂。这些研究 将为齐格勒-纳塔机制提供新的见解 催化，新型C-H活化化学和不对称 催化和新的亲电金属烷基 用于机理研究和合成应用的配合物。