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Control of the reactive intermediates depending on the coordination number of a boron substituent and its application to the novel reaction

Research Project

Project/Area Number 16H06862
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Organic chemistry
Research InstitutionNagoya University

Principal Investigator

Aramaki Yoshitaka  名古屋大学, 工学研究科, 助教 (70779678)

Project Period (FY) 2016-08-26 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsラジカル / ホウ素 / 一電子移動 / ルイス酸 / ルイス塩基 / 光触媒 / 有機化学 / ラジカル触媒 / 触媒活性制御 / チイルラジカル / 置換基効果 / ルイス酸・塩基複合体
Outline of Final Research Achievements

In order to verify the transformation of radical reactivity depending on the coordination number of a boron center, some radical compounds with a boryl group were synthesized.In this process, we found the generation of Lewis radical-ion pairs via the single electron transfer between a Lewis acid and a base under photoirradiation. Although an additional condition, photoirradiation, is essential, the result indicates that the generation of boron-centered radical can be controlled by the presence and absence of a Lewis base. The finding will remove the barrier of structural limitation of Lewis pairs inducing single electron transfer and have a potential to accelerate the application to organic transformation and catalysis. In fact, we revealed the photocatalytic ability of electron-deficient borane, which could be a mile stone for catalysis of Lewis radical-ion pairs.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • Research Products

    (1 results)

All 2017

All Presentation (1 results)

  • [Presentation] 光照射下でのラジカルイオンペアの形成と触媒的結合形成反応への展開2017

    • Author(s)
      今泉 直樹、荒巻 吉孝、大井 貴史
    • Organizer
      日本化学会第98春季年会
    • Related Report
      2017 Annual Research Report

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Published: 2016-09-02   Modified: 2019-03-29  

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