第99回講演会 Prof. Daniel J. Mindiola University of Pennsylvania, USA
| イベント名 | 第99回講演会 Prof. Daniel J. Mindiola University of Pennsylvania, USA |
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| 期日 | 2023.09.01 |
| 詳細 |
産総研触媒化学融合研究センターでは、様々な分野で活躍している大学、公的研究機関、企業等の方々をお招きして、講演会を開催することで分野の垣根を越えた連携の実現を目指しています。 多くの方々のご参加をお待ちしております。 日時：2023年9月1日（金）16：00～17：00 講演概要： ＜講師＞ ＜講演タイトル＞ New Developments in Low-Valent and Early Transition Metal Ions, Metal-Ligand Multiple Bonds, and Catalytic Reactions Involving Methane We have uncovered a new cycle for a titanium catalyzed dehydrogenation of linear alkanes to a-olefin and how most of the intermediates have inspired us to pursue, trap and isolate such species involved in such transformation. We will begin by discussing the chemistry of titanium alkylidynes and extension of this work to vanadium alkylidynes and their ability to form polymers with cyclic topology. C-H bond activation, including the activation of methane and the formation of methylidenes, and dehydrocoupling will be also addressed. Likewise, I will describe the role of TiII species including a tetrahedral and high-spin [(TptBu,Me)TiCl] (TptBu,Me = hydrotris(3-tert-butyl-5-methylpyrazol-1-yl)borate) including its detailed spectroscopic and magnetic characterization. This TiII system has yielded a wealth of 2e- reactivity. Likewise, masked forms of TiII have also offered us insight on how to prepare terminal chalcogenido and bis-chalcogenido systems of group 5 and 4 transition metals. In the last component, I will introduce the use of organometallic Ir catalysts for the monoborylation of methane and how one can improve catalytic turnover by immobilizing the homogeneous IrI fragment [(dmpe)Ir(cod)]+ onto amorphous silica. If time permits, I will also introduce the concept of super basic nitrides in the context of nucleophilic metal nitrides.
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| 備考 | 【問い合わせ先】触媒化学融合研究センター担当：白川 TEL:029-861-2763 |
