Development of new functional organometallic complexes based on nucleophilic carbon(0) ligands

2022 Fiscal Year Final Research Report

• Project/Area Number: 19K05500
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 34010:Inorganic/coordination chemistry-related
• Research Institution: Hiroshima University
• Principal Investigator: Kubo Kazuyuki 広島大学, 先進理工系科学研究科(理), 助教 (90263665)
• Project Period (FY): 2019-04-01 – 2023-03-31
• Keywords: 0価炭素配位子 / カルボジホスホラン / 白金錯体 / 結合活性化 / 協働反応 / 複核錯体

Outline of Final Research Achievements

Pincer-type carbodiphosphorane(CDP)-platinum complexes were shown to undergo a variety of E－H activation reactions (E = B, C, N, Si, P), showing their cooperative reactivity at the metal-carbon(0) bond. The Si-H activation ability of the CDP complexes has been successfully applied to the catalytic silylation reactions of alkynes, alkenes, aldehydes, or carboxylic acids. The CDP complexes also react with E=C=E' (O=C=O, S=C=S, or O=C=NPh) to form EC-Pt complex, where the C=E' bond is activated.
The reactions of the CDP complexes with various metal additives were examined to explore the development of multi-metallic CDP complex, some of which exhibit remarkably high catalytic performance in the hydrosilylation reactions of alkynes.

Free Research Field

有機金属化学

Academic Significance and Societal Importance of the Research Achievements

これまで未開拓であった０価炭素化合物の反応性配位子としての機能に焦点を当て、CDP錯体による協働的基質活性化反応を様々な基質で達成した。得られた知見を基に、CDP錯体を基盤とする触媒的有機合成の進展につながる重要な知見を得ることができた。さらに、CDPに複数の遷移金属中心を導入することによるCDP錯体のさらなる高機能化、高活性化への端緒が得られた。