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Development of Efficient Transformations for Three-Dimensional Structures Toward Medicinal Chemistry

Research Project

Project/Area Number 19K23621
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0501:Physical chemistry, functional solid state chemistry, organic chemistry, polymers, organic materials, biomolecular chemistry, and related fields
Research InstitutionThe University of Tokyo

Principal Investigator

Kanazawa Junichiro  東京大学, 大学院薬学系研究科(薬学部), 特任助教 (60844636)

Project Period (FY) 2019-08-30 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords創薬化学 / 三次元化合物 / 電荷シフト結合 / ビシクロ[1.1.1]ペンタン / [1.1.1]プロペラン / シリルボラン / シクロデキストリン / 光反応 / 反応開発 / 三次元多環式化合物 / 非対称二置換化反応
Outline of Research at the Start

近年の創薬化学では、sp3 炭素を多く持つ三次元構造を利用し、物性・安全性の点で優れた化合物の探索が積極的に行われている。今回の研究では、ビシクロペンタンなどの三次元多環式化合物を標的分子として、その効率的な変換法と前駆体の合成法を開発する。具体的には、幅広い誘導体化が可能な非対称二置換体の効率的な合成法、不安定で用事調製が必要であった原料の安定等価体に対する変換法を確立する。

Outline of Final Research Achievements

We developed synthetic methods for bicyclo[1.1.1]pentane (BCP), which is an important three-dimensional scaffold in medicinal chemistry.
The developed silaboration enabled to convert [1.1.1]propellane, thermally and chemically labile precursor for BCPs, into a storable and versatile synthetic intermediate for BCP derivatives. We also described various conversions of the C-B/C-Si bonds on the BCP intermediate to give a wide range of BCP derivatives.
We also developed novel methodologies which enabled the first on-demand synthesis of [1.1.1]propellane in a wide range of solvents without the need for highly active organometallic reagents.

Academic Significance and Societal Importance of the Research Achievements

本研究の学術的独自性として、電荷シフト結合の切断・生成反応の制御により多様なビシクロ[1.1.1]ペンタン (以下、BCP) を供給する反応を開発した点が挙げられる。すなわち、高度に歪んだ電荷シフト結合に対して適切な反応系を設計することで、これまで合成困難であった幅広い BCP 化合物の合成を可能にすると同時に、BCP 誘導体の最も重要な前駆体のオンデマンド合成に成功した。本研究で得られた電荷シフト結合に関する知見を、幅広い三次元化合物に拡張することで、従来法では合成が困難であった三次元化合物の合成を可能にし、創薬化学・物質科学の新たな可能性を拓くことに貢献できることが期待される。

Report

(3 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • Research Products

    (15 results)

All 2021 2020 2019

All Journal Article (11 results) (of which Peer Reviewed: 11 results,  Open Access: 1 results) Presentation (4 results)

  • [Journal Article] α‐Cyclodextrin Encapsulation of Bicyclo[1.1.1]pentane Derivatives: A Storable Feedstock for Preparation of [1.1.1]Propellane2021

    • Author(s)
      Matsunaga Tadafumi、Kanazawa Junichiro、Ichikawa Tomohiro、Harada Mei、Nishiyama Yusuke、Duong Nghia Tuan、Matsumoto Takashi、Miyamoto Kazunori、Uchiyama Masanobu
    • Journal Title

      Angewandte Chemie International Edition

      Volume: 60 Issue: 5 Pages: 2578-2582

    • DOI

      10.1002/anie.202014997

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Boron-vertex modification of carba-closo-dodecaborate for high-performance magnesium-ion battery electrolyte2021

    • Author(s)
      Watanabe Mamoru、Kanazawa Junichiro、Hamamura Tomofumi、Shimokawa Takumi、Miyamoto Kazunori、Hibino Mitsuhiro、Nakura Kensuke、Inatomi Yuu、Kitazawa Yu、Uchiyama Masanobu
    • Journal Title

      Materials Advances

      Volume: 2 Issue: 3 Pages: 937-941

    • DOI

      10.1039/d0ma00925c

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Decarboxylative Bromination of Sterically Hindered Carboxylic Acids with Hypervalent Iodine(III) Reagents2020

    • Author(s)
      Watanabe Ayumi、Koyamada Kenta、Miyamoto Kazunori、Kanazawa Junichiro、Uchiyama Masanobu
    • Journal Title

      Organic Process Research & Development

      Volume: 24 Issue: 7 Pages: 1328-1334

    • DOI

      10.1021/acs.oprd.0c00130

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Biosynthesis of Indole Diterpene Lolitrems: Radical-Induced Cyclization of an Epoxyalcohol Affording a Characteristic Lolitremane Skeleton2020

    • Author(s)
      Yulu Jiang, Taro Ozaki, Mei Harada, Tadachika Miyasaka, Hajime Sato, Kazunori Miyamoto, Junichiro Kanazawa, Chengwei Liu, Jun-ichi Maruyama, Masaatsu Adachi, Atsuo Nakazaki, Toshio Nishikawa, Masanobu Uchiyama, Atsushi Minami, Hideaki Oikawa
    • Journal Title

      Angew. Chem. Int. Ed.

      Volume: 59 Issue: 41 Pages: 17996-18002

    • DOI

      10.1002/anie.202007280

    • NAID

      120007160289

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] DFT Study of a Missing Piece in Brasilane-Type Structure Biosynthesis: An Unusual Skeletal Rearrangement2020

    • Author(s)
      Sato Hajime、Hashishin Takahiro、Kanazawa Junichiro、Miyamoto Kazunori、Uchiyama Masanobu
    • Journal Title

      Journal of the American Chemical Society

      Volume: 142 Issue: 47 Pages: 19830-19834

    • DOI

      10.1021/jacs.0c09616

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Synthetic Access to gem-Difluoropropargyl Vinyl Ethers and Their Application to Propargyl Claisen Rearrangement2020

    • Author(s)
      Okamura Toshitaka、Koyamada Kenta、Kanazawa Junichiro、Miyamoto Kazunori、Iwabuchi Yoshiharu、Uchiyama Masanobu、Kanoh Naoki
    • Journal Title

      The Journal of Organic Chemistry

      Volume: 86 Issue: 2 Pages: 1911-1924

    • DOI

      10.1021/acs.joc.0c01777

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Silaboration of [1.1.1]Propellane: A Storable Feedstock for Bicyclo[1.1.1]pentane Derivatives2020

    • Author(s)
      Kondo Masaki、Kanazawa Junichiro、Ichikawa Tomohiro、Shimokawa Takumi、Nagashima Yuki、Miyamoto Kazunori、Uchiyama Masanobu
    • Journal Title

      Angewandte Chemie International Edition

      Volume: 59 Issue: 5 Pages: 1970-1974

    • DOI

      10.1002/anie.201909655

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Shimalactone Biosynthesis Involves Spontaneous Double Bicyclo‐Ring Formation with 8π‐6π Electrocyclization2020

    • Author(s)
      I. Fujii、M. Hashimoto、K. Konishi、A. Unezawa、H. Sakuraba、K. Suzuki、H. Tsushima、M. Iwasaki、S. Yoshida、A. Kudo、R. Fujita、A. Hichiwa、K. Saito、T. Asano、J. Ishikawa、D. Wakana、Y. Goda、A. Watanabe、M. Watanabe、Y. Masumoto、J. Kanazawa、H. Sato、M. Uchiyama
    • Journal Title

      Angewandte Chemie International Edition

      Volume: 59 Issue: 22 Pages: 8464-8470

    • DOI

      10.1002/anie.202001024

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Shelf-Stable (E)- and (Z)-Vinyl-λ3-chlorane: A Stereospecific Hyper-vinylating Agent2020

    • Author(s)
      Watanabe Yuichiro、Takagi Taisei、Miyamoto Kazunori、Kanazawa Junichiro、Uchiyama Masanobu
    • Journal Title

      Organic Letters

      Volume: 22 Issue: 9 Pages: 3469-3473

    • DOI

      10.1021/acs.orglett.0c00924

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] BF3-Catalyzed Skeletal Rearrangement of 7-En-2-ynones to endo-Type Cyclic Dienes2020

    • Author(s)
      Daisuke Sato, Yuichiro Watanabe, Keiichi Noguchi, Junichiro Kanazawa, Kazunori Miyamoto, Masanobu Uchiyama
    • Journal Title

      Organic Letters

      Volume: - Issue: 11 Pages: 4063-4067

    • DOI

      10.1021/acs.orglett.0c00949

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Synthetic Studies on Pactamycin: A Synthesis of Johnson’s Intermediate2020

    • Author(s)
      Miura Yusuke、Ouchi Hitoshi、Inai Makoto、Osawa Taisei、Yoshimura Fumihiko、Kanazawa Junichiro、Uchiyama Masanobu、Kondo Mitsuru、Kan Toshiyuki
    • Journal Title

      Organic Letters

      Volume: 22 Issue: 9 Pages: 3515-3518

    • DOI

      10.1021/acs.orglett.0c00959

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] 非対称二置換ビシクロ[1.1.1]ペンタンの合成法の開発2020

    • Author(s)
      金澤純一朗、内山真伸
    • Organizer
      日本化学会 第100春季年会 (2020)
    • Related Report
      2019 Research-status Report
  • [Presentation] 非対称二置換ビシクロ[1.1.1]ペンタン: 電荷シフト結合に対するラジカル多成分反応の開発2019

    • Author(s)
      金澤純一朗、内山真伸
    • Organizer
      第116回有機合成シンポジウム
    • Related Report
      2019 Research-status Report
  • [Presentation] カルボランアニオンを基盤とした新規骨格を有する弱配位性アニオン種の合成とその性能評価2019

    • Author(s)
      渡部衛、北沢裕、宮本和範、金澤純一朗、内山真伸
    • Organizer
      第45回 反応と合成の進歩シンポジウム
    • Related Report
      2019 Research-status Report
  • [Presentation] カルボランアニオンによる新奇集合体の創製と機能創出2019

    • Author(s)
      吉井竜也、金澤純一朗、内山真伸、木村睦、北沢裕
    • Organizer
      第9回 CSJ化学フェスタ2019
    • Related Report
      2019 Research-status Report

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Published: 2019-09-03   Modified: 2022-01-27  

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