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Synthetic study on pactamycin by means of desymmetrization

Research Project

Project/Area Number 19K05460
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 33020:Synthetic organic chemistry-related
Research InstitutionUniversity of Shizuoka

Principal Investigator

Makoto Inai  静岡県立大学, 薬学部, 講師 (20621626)

Co-Investigator(Kenkyū-buntansha) 菅 敏幸  静岡県立大学, 薬学部, 教授 (10221904)
Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordsパクタマイシン / 非対称化 / ロジウム触媒 / ヘテロDeals -Alder / ニトロソ化合物 / ニトロソDiels-Alder反応
Outline of Research at the Start

「連続する含窒素・酸素四置換炭素」の高エナンチオ・ジアステレオ選択的な構築法の開発は,現在でも非常に挑戦的な研究課題であり,それらを応用した天然物の全合成や生物活性評価にも興味が持たれる.本研究課題では,これら合成法の開発を基盤とした天然物の骨格構築法を開発し,全合成及び生物活性評価への展開を目的とする.
まず,非対称化反応を用いたパクタマイシン類のラセミ全合経路を確立する.さらに, 不斉非対称化を伴うアジリジン化反応及び [4+2] 環化付加反応を応用したパクタマイシン,パクタマイケートのエナンチオ選択的全合成を達成する.

Outline of Final Research Achievements

The aminocyclopentitol antibiotic pactamycin, isolated from fermentation broth of Streptomyces pactum var. pactum, exhibits antitumor and antiviral activities, as well as cytotoxicity toward Gram-positive and Gram-negative bacteria. The molecule contains six contiguous stereogenic centers with three consecutive tetra-substituted carbons on a heteroatom-rich cyclopentane core, and this novel structure, as well as the remarkable biological activities, makes it an attractive target for total synthesis.
Our first-generation synthetic approach, the construction of the cyclopentane core of pactamycin achieved by catalytic Rh-mediated desymmetric aziridination and ring-contraction reaction as key steps.
Our second-generation synthetic approach, A formal total synthesis of pactamycin accomplished by face-selective and regioselective nitroso Diels-Alder (NDA) reaction as key step in 11 steps and 20% yield.

Academic Significance and Societal Importance of the Research Achievements

「連続する含窒素・酸素四置換炭素」の高エナンチオ・ジアステレオ選択的な構築法の開発は,現在でも非常に挑戦的な研究課題であり,それらを応用した天然物の全合成や生物活性評価にも興味が持たれる.本研究課題では,これら合成法の開発を基盤とした天然物の骨格構築法を開発し,全合成及び生物活性評価への展開を実施し,代表的な連続含窒素天然物であるパクタマイシンの新たな主骨格構築法の開発,形式合成を達成した.
本研究課題にて確立した 2 つの含窒素連続不斉四置換炭素築法は,パクタマイシン類のみならず様々な天然物に応用可能な汎用性の高いもである.

Report

(4 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (21 results)

All 2021 2020 2019

All Journal Article (11 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 11 results,  Open Access: 2 results) Presentation (10 results)

  • [Journal Article] S-Adenosylhomocysteine Analogue of a Fairy Chemical, Imidazole-4-carboxamide, as its Metabolite in Rice and Yeast and Synthetic Investigations of Related Compounds2021

    • Author(s)
      Hitoshi Ouchi , Takuya Namiki , Kenji Iwamoto , Nobuo Matsuzaki , Makoto Inai , Mihaya Kotajima , Jing Wu , Jae-Hoon Choi , Yoko Kimura , Hirofumi Hirai , Xiaonan Xie , Hirokazu Kawagishi , Toshiyuki Kan
    • Journal Title

      J Nat Prod .

      Volume: 84 Issue: 2 Pages: 453-458

    • DOI

      10.1021/acs.jnatprod.0c01269

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Biosynthesis of the Fairy Chemicals, 2-Azahypoxanthine and Imidazole-4-carboxamide, in the Fairy Ring-Forming FungusLepista sordida2020

    • Author(s)
      Ito Akinobu、Choi Jae-Hoon、Takemura Hirohide、Kotajima Mihaya、Wu Jing、Tokuyama Shinji、Hirai Hirofumi、Asakawa Tomohiro、Ouchi Hitoshi、Inai Makoto、Kan Toshiyuki、Kawagishi Hirokazu
    • Journal Title

      Journal of Natural Products

      Volume: 83 Issue: 8 Pages: 2469-2476

    • DOI

      10.1021/acs.jnatprod.0c00394

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Total Synthesis of Sophoraflavanone H and Confirmation of Its Absolute Configuration2020

    • Author(s)
      Murakami Haruka、Asakawa Tomohiro、Muramatsu Yoshihiro、Ishikawa Ryo、Hiza Aiki、Tsukaguchi Yuta、Tokumaru Yohei、Egi Masahiro、Inai Makoto、Ouchi Hitoshi、Yoshimura Fumihiko、Taniguchi Tohru、Ishikawa Yoshinobu、Kondo Mitsuru、Kan Toshiyuki
    • Journal Title

      Organic Letters

      Volume: 22 Issue: 10 Pages: 3820-3824

    • DOI

      10.1021/acs.orglett.0c01063

    • Related Report
      2020 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
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Pactamycin and Its Derivatives: Improved Synthesis Route2020

    • Author(s)
      Kohki Ohmi, Yusuke Miura, Yuta Nakao, Atsumi Goto, Satoshi Yoshimura, Hitoshi Ouchi, Makoto Inai, Tomohiro Asakawa, Fumihiko Yoshimura, Mitsuru Kondo, Toshiyuki Kan
    • Journal Title

      European Journal of Organic Chemistry

      Volume: 2020 Issue: 4 Pages: 488-491

    • DOI

      10.1002/ejoc.201901747

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Concise Synthesis of TAN1251C2019

    • Author(s)
      Nagasaka Y, Asakawa T, Shintaku S, Masuda A, Matsumura K, Inai M, Ishikawa Y, Egi M, Hamashima Y, Kan T.
    • Journal Title

      HETEROCYCLES

      Volume: 99 Issue: 2 Pages: 1095-1116

    • DOI

      10.3987/com-18-s(f)78

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Practical Synthesis of Polymethylated Flavones: Nobiletin and Its Desmethyl Derivatives2019

    • Author(s)
      Asakawa Tomohiro、Sagara Hiroto、Kanakogi Masaki、Hiza Aiki、Tsukaguchi Yuta、Ogawa Takahiro、Nakayama Miho、Ouchi Hitoshi、Inai Makoto、Kan Toshiyuki
    • Journal Title

      Organic Process Research & Development

      Volume: 23 Issue: 4 Pages: 595-602

    • DOI

      10.1021/acs.oprd.9b00091

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] A Fairy Chemical, Imidazole-4-carboxamide, is Produced on a Novel Purine Metabolic Pathway in Rice2019

    • Author(s)
      Takemura Hirohide、Choi Jae-Hoon、Matsuzaki Nobuo、Taniguchi Yuki、Wu Jing、Hirai Hirofumi、Motohashi Reiko、Asakawa Tomohiro、Ikeuchi Kazutada、Inai Makoto、Kan Toshiyuki、Kawagishi Hirokazu
    • Journal Title

      Scientific Reports

      Volume: 9 Issue: 1 Pages: 9899-9899

    • DOI

      10.1038/s41598-019-46312-7

    • NAID

      120006733893

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ribosides and Ribotide of a Fairy Chemical, Imidazole-4-carboxamide, as Its Metabolites in Rice2019

    • Author(s)
      Choi Jae-Hoon、Matsuzaki Nobuo、Wu Jing、Kotajima Mihaya、Hirai Hirofumi、Kondo Mitsuru、Asakawa Tomohiro、Inai Makoto、Ouchi Hitoshi、Kan Toshiyuki、Kawagishi Hirokazu
    • Journal Title

      Organic Letters

      Volume: 21 Issue: 19 Pages: 7841-7845

    • DOI

      10.1021/acs.orglett.9b02833

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Diastereodivergent and Regiodivergent Total Synthesis of Princepin and Isoprincepin in Both (7″R,8″R) and (7″S,8″S) Isomers2019

    • Author(s)
      Kobayashi Manami、Ueno Hiroya、Yoshida Naoto、Ouchi Hitoshi、Asakawa Tomohiro、Yoshimura Fumihiko、Inai Makoto、Kan Toshiyuki
    • Journal Title

      The Journal of Organic Chemistry

      Volume: 84 Issue: 21 Pages: 14227-14240

    • DOI

      10.1021/acs.joc.9b01965

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Transdermal delivery of nobiletin using ionic liquids2019

    • Author(s)
      Hattori Tadashi、Tagawa Hiroki、Inai Makoto、Kan Toshiyuki、Kimura Shin-ichiro、Itai Shigeru、Mitragotri Samir、Iwao Yasunori
    • Journal Title

      Scientific Reports

      Volume: 9 Issue: 1 Pages: 20191-20191

    • DOI

      10.1038/s41598-019-56731-1

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] ピロリジラクトンの合成研究2021

    • Author(s)
      渡部央,三枝将汰,栗山大希,福田 優亮,大内 仁志,稲井誠,浅川倫宏,吉村文彦,菅敏幸
    • Organizer
      日本薬学会第 141 年会
    • Related Report
      2021 Annual Research Report
  • [Presentation] ネオスルガトキシンの合成研究2021

    • Author(s)
      平濱俊哉,上野宏弥,大内仁志,稲井誠,吉村文彦,菅敏幸
    • Organizer
      日本薬学会第 141 年会
    • Related Report
      2021 Annual Research Report
  • [Presentation] シアノエン反応 を用いる炭素環構築法の開発2021

    • Author(s)
      吹田祐介,鈴木彩香,阿部泰樹,大内仁志,稲井誠,吉村文彦,谷野圭持,菅敏幸
    • Organizer
      日本病院薬剤師会東海ブロック・日本薬学会東海支部合同学術大会 2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] ネオスルガトキシンの合成研究,2020

    • Author(s)
      平濱俊哉, 上野宏弥, 大内仁志, 稲井誠, 吉村文彦, 菅敏幸,
    • Organizer
      日本薬学会第140年会
    • Related Report
      2020 Research-status Report
  • [Presentation] Pactamycinの合成研究,2020

    • Author(s)
      三浦祐輔, 大内仁志, 稲井誠, 大澤泰生, 吉村文彦, 金澤純一朗, 内山真伸, 近藤満, 菅敏幸
    • Organizer
      第18回次世代を担う有機化学シンポジウム
    • Related Report
      2020 Research-status Report
  • [Presentation] Pactamycin の合成研究2020

    • Author(s)
      三浦祐輔, 大内仁志, 稲井誠, 大澤泰生, 吉村文彦, 金澤純一朗, 内山真伸, 近藤満, 菅敏幸
    • Organizer
      第62回天然有機化合物討論会
    • Related Report
      2020 Research-status Report
  • [Presentation] ネオスルガトキシンの合成研究2020

    • Author(s)
      平濱俊哉, 上野宏弥, 大内仁志, 稲井誠, 吉村文彦, 菅敏幸
    • Organizer
      日本病院薬剤師会東海ブロック・日本薬学会東海支部合同学術大会2020
    • Related Report
      2020 Research-status Report
  • [Presentation] パクタマイシンの合成研究2019

    • Author(s)
      北本健一郎
    • Organizer
      第65回日本薬学会東海支部総会・大会
    • Related Report
      2019 Research-status Report
  • [Presentation] パクタマイシンの合成研究2019

    • Author(s)
      稲井誠
    • Organizer
      第61回天然有機化合物討論会
    • Related Report
      2019 Research-status Report
  • [Presentation] パクタマイシンの合成研究2019

    • Author(s)
      稲井誠
    • Organizer
      第36回有機合成化学セミナー
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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