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Develop New Reactions based on Heterocyclic C(sp3)–H Bond Activation

Research Project

Project/Area Number 18J20833
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeSingle-year Grants
Section国内
Research Field Synthetic chemistry
Research InstitutionHokkaido University

Principal Investigator

ZHANG DELIANG  北海道大学, 大学院総合化学院, 特別研究員(DC1)

Project Period (FY) 2018-04-25 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥2,200,000 (Direct Cost: ¥2,200,000)
Fiscal Year 2020: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2019: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2018: ¥800,000 (Direct Cost: ¥800,000)
Keywordsheterogeneous catalyst / dehydrogenation / heterocycles / Iridium / Transfer hydrogenation / Heterogeneous catalyst / Dehydrogenation
Outline of Annual Research Achievements

The first project: In this research work, the polystyrene-cross-linking bisphosphine ligand PS-DPPBz was effective for the Ir-catalyzed
reversible acceptorless dehydrogenation/hydrogenation of N-heterocycles. Notably, this protocol is applicable to the dehydrogenation of N-substituted indoline derivatives with various N-substituents with different electronic and steric natures. A reaction pathway involving oxidative addition of an N-adjacent C(sp3)-H bond to a bisphosphine-coordinated Ir(I) center is proposed for the dehydrogenation of N-substituted substrates. The second project: Design new material for hydrogen storage carriers.

Research Progress Status

令和2年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和2年度が最終年度であるため、記入しない。

Report

(3 results)
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (4 results)

All 2020 2019 2018

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Ir-Catalyzed Reversible Acceptorless Dehydrogenation/Hydrogenation of N-Substituted and Unsubstituted Heterocycles Enabled by a Polymer-Cross-Linking Bisphosphine2020

    • Author(s)
      Zhang Deliang、Iwai Tomohiro、Sawamura Masaya
    • Journal Title

      Organic Letters

      Volume: 22 Issue: 13 Pages: 5240-5245

    • DOI

      10.1021/acs.orglett.0c01905

    • NAID

      120007053061

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Iridium-Catalyzed Alkene-Selective Transfer Hydrogenation with 1,4-Dioxane as Hydrogen Donor2019

    • Author(s)
      Zhang Deliang、Iwai Tomohiro、Sawamura Masaya
    • Journal Title

      Organic Letters

      Volume: 21 Issue: 15 Pages: 5867-5872

    • DOI

      10.1021/acs.orglett.9b01989

    • NAID

      120006869882

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed
  • [Presentation] Acceptorless Dehydrogenation of N-Heterocycles with a Polystyrene-Cross-Linking Bisphosphine-Ir Catalyst2019

    • Author(s)
      Deliang Zhang
    • Organizer
      第4回精密制御反応場国際シンポジウム, 2019.12.3-5, 東大寺総合文化センター, 奈良県奈良市
    • Related Report
      2019 Annual Research Report
  • [Presentation] 1,4-Dioxane-Enabled Chemoselective Transfer Hydrogenation of Alkenes with Iridium-Bisphosphine Catalysts2018

    • Author(s)
      Deliang Zhang
    • Organizer
      The 6th International Symposium on AMBITIOUS LEADER’S PROGRAM Fostering Future Leaders to Open New Frontiers in Materials Science
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research

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Published: 2018-05-01   Modified: 2024-03-26  

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