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Development of external stimuli responsive chiral reaction chemistry

Research Project

Project/Area Number 21K14647
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 34010:Inorganic/coordination chemistry-related
Research InstitutionYokohama City University

Principal Investigator

Hattori Shingo  横浜市立大学, 理学部, 助教 (90846726)

Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2023: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2022: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2021: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywordsキラリティ / 白金(II)錯体 / 外部刺激 / 準安定状態 / 発光 / 超分子キラリティ / タンパク質 / 二酸化炭素 / 一重項酸素 / 光毒性 / ベイポクロミズム / 酒石酸 / 金属錯体 / 高調波光散乱
Outline of Research at the Start

外部刺激を用いたキラリティ制御は、生命のホモキラリティ起源の解明、不斉合成法開発の両観点から興味深い。しかし、外部刺激を用いたキラリティ制御に関する研究例は限られており、現状では、どの分子で、どのようにキラリティが形成され、他の分子へキラル転写可能かは未だ不明な点が多い。
本研究では、①どのようにキラリティが形成され、②どの分子でキラル合成が可能であり、③キラル転写可能かを明らかとし、外部刺激を用いたキラル反応化学を開拓することを目的とし、①外部刺激によるキラル誘起機構の解明、②外部刺激によるキラル合成の新規系の開拓、③外部刺激により生成されるキラル場を用いたキラル転写法の開発を行う。

Outline of Final Research Achievements

In this study, we focused on [Pt(L)(solv)]+ (HL = 1,3-(2-dipyridyl)benzene) and aimed to form and control its aggregate structure and chiral aggregate structure. We clarified that [Pt(L)(solv)]+ can form p-p type aggregates (thermodynamic products) and Pt-Pt type aggregates (kinetic products). We also clarified that large aggregates with Metal-Metal-to-Charge-Transfer (MMLCT) transitions are formed in aqueous solution, and that chiral aggregates can be formed by adding chiral tartaric acid. We also clarified that [Pt(L)(solv)]+ forms chiral complexes with protein (HSA) and generates photoproducts (singlet oxygen) in response to external stimuli (light irradiation). We also discovered new metal complexes that undergo color and structural changes in response to external stimuli.

Academic Significance and Societal Importance of the Research Achievements

本研究成果は、マクロな外部刺激とナノスケールの分子構造に結びつけている点から、新しい科学分野となりえる。外部刺激によって分光学的性質が変化する金属錯体結晶は、外部環境や揮発性有機化合物を可視化できる化学センサーといったデバイスへと発展することが期待できる。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (18 results)

All 2024 2023 2022 2021 Other

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (10 results) (of which Int'l Joint Research: 4 results,  Invited: 2 results) Remarks (1 results)

  • [Journal Article] Circularly polarized phosphorescence with a large dissymmetry factor from a helical platinum(<scp>ii</scp>) complex2024

    • Author(s)
      Ikeshita Masahiro、Watanabe Shinya、Suzuki Seika、Tanaka Shota、Hattori Shingo、Shinozaki Kazuteru、Imai Yoshitane、Tsuno Takashi
    • Journal Title

      Chemical Communications

      Volume: 60 Issue: 17 Pages: 2413-2416

    • DOI

      10.1039/d3cc06293g

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Kinetic Formation of Pt-Pt Dimers of Cationic and Neutral Platinum(II) Complexes under Rapid Freeze Conditions in Solution2023

    • Author(s)
      Shingo Hattori、Shusei Kawajiri、Akiko Sekine、Keisuke Sumi、Hitomi Narumiya、Kyouhei Sato、Kazuteru Shinozaki
    • Journal Title

      Inorganic Chemistry

      Volume: 62 Issue: 24 Pages: 9491-9500

    • DOI

      10.1021/acs.inorgchem.3c00820

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Assembling of a Water‐Soluble N^C^N‐Coordinated Pt(II) Complex Aggregate Assisted by Carbon Dioxide in Basic Aqueous Solution2023

    • Author(s)
      Hiroyuki Mita、Shingo Hattori、Toshiyuki Sasaki、Satoshi Takamizawa、Kazuteru Shinozaki
    • Journal Title

      ChemSusChem

      Volume: 17 Issue: 2

    • DOI

      10.1002/cssc.202301174

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Luminescence color change of [3,4-difluoro-2,6-bis(5-methyl-2-pyridyl)phenyl-κ3N,C1,μ′]cyanidoplatinum(II) by aggregation2022

    • Author(s)
      Shingo Hattori, Takumi Nakano, Nanako Kobayashi, Yuri Konno, Eiji Nishibori, Tomasz Galica, Kazuteru Shinozaki
    • Journal Title

      Dalton Transactions

      Volume: 51 Issue: 41 Pages: 15830-15841

    • DOI

      10.1039/d2dt02360a

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Reversible colour/luminescence colour changes of tetracyanoruthenium(II) complexes by sorption/desorption of water molecules in crystal2022

    • Author(s)
      S. Hattori, T. Nagai, A. Sekine, T. Otsuka, K. Shinozaki
    • Journal Title

      Dalton Trans.

      Volume: 51 Issue: 4 Pages: 1474-1480

    • DOI

      10.1039/d1dt03666a

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Vapochromism of iridium(III) bis-terpyridine complex based on modulation of halide-to-ligand charge transfer transition2022

    • Author(s)
      Shingo Hattori, Mio Kondo, Akiko Sekine, Kazuteru Shinozaki
    • Journal Title

      Dalton Transactions

      Volume: 51 Issue: 18 Pages: 7068-7075

    • DOI

      10.1039/d2dt00368f

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Emission Intensity Enhancement for Iridium(III) Complex in Dimethyl Sulfoxide under Photoirradiation2021

    • Author(s)
      S. Hattori, S. Hirata, K. Shinozaki
    • Journal Title

      J. Phys. Chem. B

      Volume: 125 Issue: 32 Pages: 9260-9267

    • DOI

      10.1021/acs.jpcb.1c03753

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Presentation] 塩基性水溶液中で二酸化炭素によって誘起されるN^C^N型白金(II)錯体の自己集合2024

    • Author(s)
      服部伸吾, 三田博之, 篠﨑一英
    • Organizer
      日本化学会第104春季年会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Luminescence of N^C^N-coordinated platinum(II) complex aggregates2023

    • Author(s)
      Shingo Hattori
    • Organizer
      International Congress of Pure and Applied Chemistry Bali 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Vapochromism of metal complexes based on charge transfer transitions2023

    • Author(s)
      Shingo Hattori, Kazuteru Shinozaki
    • Organizer
      31st International Conference on Photochemistry
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] N^C^N型白金(II)錯体の自己集合2023

    • Author(s)
      服部伸吾, 三田博之, 川尻柊星, 篠﨑一英
    • Organizer
      第2回ソフトクリスタル研究会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 水溶性N^C^N型白金(II)錯体の光化学的性質と光細胞毒性2023

    • Author(s)
      服部伸吾, 荻島瑞希, 北澤茉歩, 中島忠章, 佐藤友美, 篠﨑一英
    • Organizer
      第34回配位化合物の光化学討論会
    • Related Report
      2023 Annual Research Report
  • [Presentation] イリジウム(III)錯体のXLCT遷移に基づくベイポクロミズム2022

    • Author(s)
      服部伸吾、近藤美緒、関根あき子、篠﨑一英
    • Organizer
      第33回配位化合物の光化学討論会
    • Related Report
      2022 Research-status Report
  • [Presentation] Reversible color/luminescence color changes of tetracyanoruthenium(II) complexes by sorption/desorption of water molecules in crystal2022

    • Author(s)
      服部伸吾、永井智也、関根あき子、大塚拓洋、篠﨑一英
    • Organizer
      錯体化学会第72回討論会
    • Related Report
      2022 Research-status Report
  • [Presentation] Vapochromism of metal complexes based on intermolecular interactions2022

    • Author(s)
      Shingo Hattori
    • Organizer
      International Congress of Pure and Applied Chemistry Kota Kinabalu 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 準安定状態を有するキラル白金(II)錯体の光物性2021

    • Author(s)
      服部伸吾、篠﨑一英
    • Organizer
      第32回 配位化合物の光化学討論会
    • Related Report
      2021 Research-status Report
  • [Presentation] External Stimuli-Based Selection of Supramolecular Chirality2021

    • Author(s)
      Shingo Hattori, Kazuyuki Ishii, Kazuteru Shinozaki
    • Organizer
      Pacifichem 2021
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Remarks] Youtubeで研究成果が紹介

    • URL

      https://youtu.be/1eOmNQyCzPY

    • Related Report
      2022 Research-status Report

URL: 

Published: 2021-04-28   Modified: 2025-01-30  

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