Transition Metal Complexes with Multiple Ligand Bonds as the Lewis Base Component of Frustrated Lewis Pairs

设计和发现新的催化剂以及新的催化转化对于有效利用我们的自然资源至关重要。 凭借NSF化学部化学催化计划的这一奖项，Ison教授正在开发含有氧原子和过渡金属（特别是金属）之间键的催化剂。 金属离子-氧键具有独特的反应活性，被用于开发全新的催化反应。 例如，正在研究将二氧化碳转化为有用化学品的新方法。 Ison博士参与了各种旨在招募高中和本科生从事STEM领域职业的外联工作。 此外，Ison博士还致力于培训高中教师，将他的研究纳入高中科学课程。化学部化学催化项目的这一奖项支持了Elon Ison博士的研究，他正在设计含有铕-配体多重键的新型催化剂。在这种方法中，利用具有在顶端位置中的杂原子的末端多重键的五配位四方锥络合物，使得这种几何排列的电子后果可用于开发用于活化小分子的催化剂。Ison博士正在开发一种新型的受抑刘易斯对（FLP）催化剂，其中过渡金属氧代作为刘易斯基础组分。这些新的FLP作为氢化催化剂是有效的，并且涉及通过过渡金属络合物活化底物的新机制，其中金属不直接参与，而是起辅助作用。基础机理研究以及高水平密度泛函理论（DFT）计算被用于理解这些FLP的结构和反应性，并设计新的催化体系在该项目中，Ison博士正在开发用于不对称氢化和二氧化碳活化的FLP催化剂。Ison博士参与了各种旨在招募高中和本科生从事STEM领域职业的外联工作。此外，Ison博士还从事高中教师的培训，将他的研究纳入高中科学课程。

The design and discovery of new catalysts, and new catalytic transformations, is critical for the efficient utilization of our natural resources. With this award from the Chemical Catalysis Program of the NSF Division of Chemistry, Professor Ison is developing catalysts that contain a bond between an oxygen atom and a transition metal, specifically rhenium. The rhenium-oxygen bond has unique reactivity that is being used to develop fundamentally new catalytic reactions. For example, new ways to convert carbon dioxide into useful chemicals are being investigated. Dr. Ison is involved in a variety of outreach efforts aimed at recruiting high school and undergraduate students to pursue careers in STEM fields. In addition, Dr. Ison is engaged in the training of high school teachers to incorporate aspects of his research into the high school science curriculum.This award from the Chemical Catalysis Program of the Chemistry Division supports research by Dr. Elon Ison who is designing new catalysts that contain a rhenium-ligand multiple bond. In this approach, five-coordinate square pyramidal complexes with a terminal multiple bond to a heteroatom in the apical position are utilized so that the electronic consequences of this geometric arrangement can be used to develop catalysts for the activation of small molecules. Dr. Ison is developing a new type of frustrated Lewis pair (FLP) catalyst, where a transition metal oxo acts as the Lewis base component. These new FLPs are effective as catalysts for hydrogenation, and involve a new mechanism for substrate activation by a transition metal complex where the metal does not directly participate, but instead plays an ancillary role. Fundamental mechanistic studies as well as high-level density functional theory(DFT) calculations are being used to understand the structure and reactivity of these FLPs and to design new catalytic systems In this project, Dr. Ison is developing FLP catalyst for asymmetric hydrogenations and the activation of carbon dioxide. Dr. Ison is involved in a variety of outreach efforts aimed at recruiting high school and undergraduate students to pursue careers in STEM fields. In addition, Dr. Ison is engaged in the training of high school teachers to incorporate aspects of his research into the high school science curriculum.