On the Design and Study of Robust Catalysts for Alkane Conversion
烷烃转化鲁棒催化剂的设计与研究
基本信息
- 批准号:8805155
- 负责人:
- 金额:$ 28.15万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1988
- 资助国家:美国
- 起止时间:1988-05-01 至 1991-10-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award from the Inorganic, Bioinorganic and Organometallic Chemistry Program is the area of organometallic chemistry. The goal of the project is to develop more robust catalysts for conversion of alkanes to other organic compounds. Alkanes are the principal constituents of petroleum, and efficient catalysts for alkane conversion are therefore important in the industrial synthesis of plastics and other materials from petroleum. Replacement of these catalysts as they degrade is very expensive, and the development of catalysts which resist degradation is thus of great economic significance. The focus of the project is the development of homogeneous alkane conversion catalysts which are not subject to deactivation by P-C bond cleavage. Particular emphasis will be placed on transition metal polyhydrides which are stabilized purely by N-donor ligands and which contain dihydrogen ligands. A variety of N- and S-donor ligands will be explored, and the structures of the polyhydride derivatives will be studied by a variety of physical methods, notably by Raman spectroscopy and variable temperature NMR spectroscopy. In addition to studying catalysts of new types, attempts will be made to extend the range of possible alkane conversions. Among the types of reactions to be explored are hydroalkylation of unsaturated species, alkylation of arenes and of CO, and dehydrocylisation. Such reactions are either not currently known at all for alkanes or are only known to occur over heterogeneous catalysts.
这个奖项来自无机、生物无机和有机金属化学项目,是有机金属化学领域的奖项。该项目的目标是开发更强大的催化剂,将烷烃转化为其他有机化合物。烷烃是石油的主要成分,因此,烷烃转化的有效催化剂在从石油合成塑料和其他材料的工业中是重要的。在这些催化剂降解时更换它们是非常昂贵的,因此开发抗降解催化剂具有重要的经济意义。该项目的重点是开发不受P-C键裂解失活影响的均相烷烃转化催化剂。特别强调的是过渡金属多氢化物,它完全由n给体配体稳定,并且含有二氢配体。将探索多种N-和s -给体配体,并通过各种物理方法,特别是拉曼光谱和变温核磁共振光谱研究多氢化物衍生物的结构。除了研究新型催化剂外,还将尝试扩大可能的烷烃转化范围。有待探索的反应类型包括不饱和物质的烷基化反应、芳烃和一氧化碳的烷基化反应以及脱氢烷基化反应。对于烷烃,这种反应目前还不知道,或者只知道在非均相催化剂上发生。
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)
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Robert Crabtree其他文献
Robert Crabtree的其他文献
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