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Development of Well-Regulated Complexation of Metal Ions beyond Steric Effects -Using Ionic Liquids as Unique Reaction Media-

Research Project

Project/Area Number 24750074
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Analytical chemistry
Research InstitutionTokyo Institute of Technology

Principal Investigator

TAKAO Koichiro  東京工業大学, 原子炉工学研究所, 助教 (00431990)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywordsイオン液体 / 錯体構造 / 脱水和
Outline of Final Research Achievements

The goals of this work are 1) to clarify the extremely desolvated state of metal ions in ionic liquids, and 2) to find a novel and well-regulated complexation not depending on steric effect. As one of the main findings in the first aim, the utmost deslovated state of Co(II) ion was clarified to be [Co(OH2)4]2+. In the second aim, the coordination interaction between the extremely "hard" acid (e.g. uranyl ion) and "soft" base (e.g. sulfur donor ligand like tetramethylthiourea) was actually demonstrated for the first time.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (5 results)

All 2015 2014 2013 2012

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Acknowledgement Compliant: 1 results) Presentation (2 results)

  • [Journal Article] Efficient and Versatile Anion Metathesis Reaction for Ionic Liquid Preparation by Using Conjugate Acid and Ortho Ester2014

    • Author(s)
      Koichiro Takao, Shinobu Takao
    • Journal Title

      Bulletin of Chemical Society of Japan

      Volume: 87 Issue: 9 Pages: 974-981

    • DOI

      10.1246/bcsj.20140150

    • NAID

      130004059137

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Uranyl-halide complexation in N,N-dimethylformamide: halide coordination trend manifests hardness of [UO2]2+2013

    • Author(s)
      Koichiro Takao, Shinobu Takao, Yasuhisa Ikeda, Gert Bernhard, Christoph Hennig
    • Journal Title

      Dalton Transactions

      Volume: 42 Issue: 36 Pages: 13101-13111

    • DOI

      10.1039/c3dt51191j

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Weakly-Basic Anion Exchange Resin Scavenges Impurities in Ionic Liquid Synthesized from Trialkyloxonium Salt2012

    • Author(s)
      Koichiro Takao, Taro Tsubomura
    • Journal Title

      Journal of Chemical & Engineering Data

      Volume: 57 Pages: 2497-2502

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] Studies on Extraction Behaviour of U(VI) to [bmim][NfO] Ionic Liquid and Its Recovery Using Hydrogen Peroxide2015

    • Author(s)
      Koichiro Takao
    • Organizer
      First SACSESS International Workshop Towards Safe and Optimized Separation Processes, A Challenge for Nuclear Scientists
    • Place of Presentation
      Warsaw, Poland
    • Year and Date
      2015-04-22 – 2015-04-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] Uranyl-Halide Complexation in N,N-Dimethylformamide: Halide Coordination Trend Manifests Hardness of [UO2]2+2013

    • Author(s)
      Koichiro Takao, Shinobu Takao, Yasuhisa Ikeda, Gert Bernhard, Christoph Hennig
    • Organizer
      33rd International Conference on Solution Chemistry
    • Place of Presentation
      京都テルサ(日本)
    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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