Construction and application of novel chiral structures utilizing hetero-interaction between pseudo-enantiomers

2022 Fiscal Year Final Research Report

• Project/Area Number: 19K05388
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 32010:Fundamental physical chemistry-related
• Research Institution: Saga University
• Principal Investigator: Yamada Yasunori 佐賀大学, 理工学部, 教授 (20359946)
• Co-Investigator(Kenkyū-buntansha): 鯉川 雅之 佐賀大学, 理工学部, 教授 (90221952) ; 米田 宏 佐賀大学, 理工学部, 助教 (50622239)
• Project Period (FY): 2019-04-01 – 2023-03-31
• Keywords: 擬似エナンチオマー / ホモキラル相互作用 / ヘテロキラル相互作用 / 立体特異的集積化 / 発光性金属錯体 / 多環式芳香族化合物

Outline of Final Research Achievements

Novel chiral structures have been constructed by assembling two different optically active polycyclic aromatic compounds with the aid of heterochiral interactions between pseudo-enantiomers. Based on similar heterochiral interactions, other types of chiral structures containing two different luminescent metal complexes were also synthesized. Furthermore, the heterochiral interactions of optically active molecules supported on metal oxide nanoparticles were examined with a view to their application. Through these works, we have shown that the heterochiral interactions between pseudo-enantiomers can be used as a driving force for assembly to construct chiral structures with new functions and properties that are not possessed by single molecules, and have provided a prospect for the creation of new devices and functional materials.

Free Research Field

錯体化学

Academic Significance and Societal Importance of the Research Achievements

固体状態のキラリティーを対象とする分野が近年進展を遂げつつあるが，現象論ばかりが先行し，新素材や機能物質創製に繋がる展開は未だ限定的である。このため，キラル分子の集積形態に依存して，溶液状態よりも多様な形態で増幅されて現れ得る固体状態のキラリティーの核心に迫り，得られる情報に基づき応用指向の研究を展開することが急務となっている。本研究では，固体状態のキラリティーを司るキラル分子集積化の新たな一面を解明し，ヘテロキラル相互作用を駆動力として擬似エナンチオマーを自在に集積化する技術確立に向けた多くの情報や知見を得ることができた。これは新素材や機能性物質創製にも繋がるものである。