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Electrophilic Metalation of Alkenes Using Dissociation Equilibrium Property of Strong Lewis Acid and Weak Base

Research Project

Project/Area Number 17K14443
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Organic chemistry
Research InstitutionTohoku University

Principal Investigator

Tanaka Shinya  東北大学, 環境保全センター, 講師 (80570142)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
KeywordsLewis酸 / 塩基 / アルケン / 求電子置換反応 / ルイス酸 / 解離平衡 / アシル化 / アルキル化 / ホルミル化 / Friedel-Crafts反応 / ボリル化 / カルボキシル化 / 二酸化炭素 / アルミニウム化
Outline of Final Research Achievements

We investigated the development of substitution reaction of vinyl C-H bond of alkenes by utilizing the property that strong Lewis acid and weak base having suitable bulkiness are in dissociation equilibrium. As a result, we achieved electrophilic borylation and Friedel-Crafts acylation of alkenes. We also expanded the applicability of the carboxylation to substrates having coordinating functional groups by the choice of the combination of Lewis acid/base and substrate designing. Furthermore, we could obtain the promising knowledge about Friedel-Crafts alkylation and catalytic Friedel-Crafts acylation.

Academic Significance and Societal Importance of the Research Achievements

アルケンの求電子置換反応は,プロトン脱離がとくに容易な場合を除いて進行しない.これに対して本研究は,適度なかさ高さの弱塩基を用いることでアルケン類の求電子的アルミニウム化やホウ素化を実現し,また,系内で発生させた求電子活性種をも塩基により失活させることなく求電子置換反応に利用できることも示した.これは,“アルケン類の求電子置換反応”を広く一般的化する方法論となるものであり,基礎化学的な意義が大きい.

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (15 results)

All 2020 2019 2018 2017 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (12 results) Remarks (1 results)

  • [Journal Article] Acylation of Alkenes with the Aid of AlCl3 and 2,6-Dibromopyridine2019

    • Author(s)
      Shinya Tanaka, Tsukasa Kunisawa, Yuji Yoshii, and Tetsutaro Hattori
    • Journal Title

      Organic Letters

      Volume: 21 Issue: 21 Pages: 8509-8513

    • DOI

      10.1021/acs.orglett.9b02688

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electrophilic Borylation of Terminal Alkenes with BBr3/2,6-Disubstituted Pyridines2018

    • Author(s)
      Shinya Tanaka, Yuki Saito, Takaya Yamamoto, and Tetsutaro Hattori
    • Journal Title

      Organic Letters

      Volume: 20 Issue: 7 Pages: 1828-1831

    • DOI

      10.1021/acs.orglett.8b00335

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] Lewis酸と塩基を用いたアルケンの求電子的アルキル化2020

    • Author(s)
      都賀亮人・國澤 主・田中信也・服部徹太郎
    • Organizer
      日本化学会第100春季年会
    • Related Report
      2019 Annual Research Report
  • [Presentation] アルケンのFriedel-Craftsアルキル化2019

    • Author(s)
      田中信也・國澤 主・都賀亮人・服部徹太郎
    • Organizer
      第66回有機金属化学討論会
    • Related Report
      2019 Annual Research Report
  • [Presentation] アルミニウムLewis酸とピリジン類を用いたアルケンの求電子的アシル化およびアルキル化2019

    • Author(s)
      田中信也・國澤 主・吉居雄司・服部徹太郎
    • Organizer
      第115回有機合成シンポジウム
    • Related Report
      2019 Annual Research Report
  • [Presentation] EtAlCl2/2,6-Disubstituted Pyridine-Mediated Carboxylation of Alkenes2018

    • Author(s)
      S. Tanaka, K. Watanabe, Y. Tanaka, Y. Saito, T. Yamamoto, T. Hattori
    • Organizer
      43rd International Conference on Coordination Chemistry (ICCC 2018)
    • Related Report
      2018 Research-status Report
  • [Presentation] Aluminum-Based Lewis Acid/2,6-Disubstituted Pyridine-Mediated Tandem Cyclization-Carboxylation of Allenylbenzenes and 2-Alkynylbiaryls2018

    • Author(s)
      S. Tanaka, M. Chiba, Y. Saito, T. Yamamoto, K. Koizumi, T. Hattori
    • Organizer
      43rd International Conference on Coordination Chemistry (ICCC 2018)
    • Related Report
      2018 Research-status Report
  • [Presentation] AlCl3と2,6-ジブロモピリジンを用いた酸クロリドによるアルケンのアシル化2018

    • Author(s)
      田中信也・國澤 主・吉居雄司・服部徹太郎
    • Organizer
      第65回有機金属化学討論会
    • Related Report
      2018 Research-status Report
  • [Presentation] アルミニウムLewis酸と2,6-ジブロモピリジンを用いたカルボン酸クロリドによるアルケンのアシル化2018

    • Author(s)
      國澤 主,吉居雄司,田中信也,服部徹太郎
    • Organizer
      第29回仙台万有シンポジウム
    • Related Report
      2018 Research-status Report
  • [Presentation] Acylation of Alkenes with Acid Chlorides Using Alminum-Based Lewis Acid and 2,6-Dibromopyridine2018

    • Author(s)
      吉居雄司・國澤 主・田中信也・服部徹太郎
    • Organizer
      平成30年度化学系学協会東北大会
    • Related Report
      2018 Research-status Report
  • [Presentation] EtAlCl2と2,6-ジブロモピリジンを用いた酸クロリドによるアルケン類のアシル化2018

    • Author(s)
      國澤主・吉居雄司・田中信也・服部徹太郎
    • Organizer
      日本化学会第98春季年会
    • Related Report
      2017 Research-status Report
  • [Presentation] ホウ素Lewis酸とピリジン類を用いるアルケンのボリル化2017

    • Author(s)
      田中信也・齋藤裕樹・服部徹太郎
    • Organizer
      第28回万有仙台シンポジウム
    • Related Report
      2017 Research-status Report
  • [Presentation] BBr3/2,6-二置換ピリジンを用いたアルケン類のボリル化2017

    • Author(s)
      田中信也・齋藤裕樹・服部徹太郎
    • Organizer
      第64回有機金属化学討論会
    • Related Report
      2017 Research-status Report
  • [Presentation] EtAlCl2/2,6-Dibromopyridine-Mediated Esterification of Alkenes with Chloroformate Ester2017

    • Author(s)
      國澤主・田中信也・服部徹太郎
    • Organizer
      平成29年度化学系学協会東北大会
    • Related Report
      2017 Research-status Report
  • [Remarks]

    • URL

      http://www.che.tohoku.ac.jp/~orgsynth/publications.htm

    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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