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Synthetic studies of marine natural products having anti-angiogenic activities

Research Project

Project/Area Number 19790014
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Chemical pharmacy
Research InstitutionOsaka University

Principal Investigator

KOTOKU Naoyuki  Osaka University, 大学院薬学研究科, 助教 (20362618)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,300,000)
Keywords血管新生 / 海洋天然物 / 全合成 / リード化合物 / 抗がん剤
Research Abstract

我々が海洋生物の二次代謝産物より見いだした、血管新生阻害活性を示す二種の生物活性天然物について合成研究を行った。イソキノリン側鎖を有する新規ステロイドアルカロイドcortistatin Aについては全合成の鍵となるCD 環フラグメントの立体選択的な合成に成功するとともに、構造を単純化した活性リード化合物の設計・合成を行った。また、イソマラバリカン型トリテルペンglobostellatic acid X methyl esterの合成研究の一環として、活性発現に重要な共役オレフィン側鎖を含むBC 環モデル化合物の合成に成功した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (24 results)

All 2009 2008 2007 Other

All Journal Article (10 results) (of which Peer Reviewed: 10 results) Presentation (13 results) Remarks (1 results)

  • [Journal Article] Synthesis of CD-ring structure of cortistatin A, an anti-angiogenic steroidal alkaloid from marine sponge.2008

    • Author(s)
      Kotoku, N.; Sumii, Y.; Hayashi, T.; Kobayashi, M.
    • Journal Title

      Tetrahedron Lett. 49

      Pages: 7078-7081

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Structure-activity relationship (SAR) study of bastadin 6, an anti-angiogenic brominatedtyrosine derived metabolite from marine sponge.2008

    • Author(s)
      Kotoku, N.; Hiramatsu, A.; Tsujita, H.; Hirakawa, Y.; Sanagawa, M.; Aoki, S.; Kobayashi, M.
    • Journal Title

      Arch. Pharm. 341

      Pages: 568-577

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of BC-ring model compound of globostellatic acid X methyl ester, an antiangiogenic substance from marine sponge.2008

    • Author(s)
      Kotoku, N.; Tamada, N.; Hayashi, A.; Kobayashi, M.
    • Journal Title

      Bioorg. Med. Chem. Lett. 18

      Pages: 3532-3535

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of CD-ring structure of cortistatin A, an anti-angiogenic steroidal alkaloid from marine sponge2008

    • Author(s)
      N. Kotoku
    • Journal Title

      Tetrahedron Lett 49

      Pages: 7078-7081

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of BC-ring model of globostellatic acid X methyl ester, an anti-angiogenic substance from marine sponge2008

    • Author(s)
      N. Kotoku
    • Journal Title

      Bioorg. Med. Cheni. Lett 18

      Pages: 3532-3535

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Structure-activity relationships study of bastadin 6, an anti-angiogenic bromi nated-tyrosine derived metabolite from marine sponge2008

    • Author(s)
      N. Kotoku
    • Journal Title

      Archly der Pharmazie (Weinheim) 341

      Pages: 568-577

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stereoselective total synthesis of arenastatin A, a spongean cytotoxic depsipeptide.2007

    • Author(s)
      Kotoku, N.; Narumi, F.; Kato, T.; Yamaguchi, M.; Kobayashi, M.
    • Journal Title

      Tetrahedron Lett. 48

      Pages: 7147-7150

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Concise asymmetric total synthesis of scyphostatin, a potent inhibitor of neutral sphingomyelinase.2007

    • Author(s)
      Fujioka, H.; Sawama, Y.; Kotoku, N.; Ohnaka, T.; Okitsu, T.; Murata, N.; Kubo, O.; Li, R.; Kita, Y.
    • Journal Title

      Chem. Eur. J. 13

      Pages: 10225-10238

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stereoselective total synthesis of arenastatinA, a spongean cytotoxic depsipeptide2007

    • Author(s)
      N. kotoku
    • Journal Title

      Tetrahedron Lett. 48

      Pages: 7147-7150

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Concise asymmetric total synthesis of scyphostatin, a potent inhibitor of neutral sphingomyelinase2007

    • Author(s)
      H. Fujioka
    • Journal Title

      Chem.Eur.J 13

      Pages: 10225-10238

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Anti-angiogenic marine natural products2009

    • Author(s)
      Kotoku, N.
    • Organizer
      Frontiers in Medicinal Chemistry
    • Place of Presentation
      ハイデルベルク大学
    • Year and Date
      2009-03-17
    • Related Report
      2008 Final Research Report
  • [Presentation] 海綿由来血管新生阻害物質globostellatic acid X methyl esterの構造活性相関2008

    • Author(s)
      古徳直之、玉田 尚、林亜紗実、小林資正
    • Organizer
      第17回天然薬物の開発と応用シンポジウム
    • Place of Presentation
      九州大学医学部百年講堂
    • Year and Date
      2008-11-14
    • Related Report
      2008 Final Research Report
  • [Presentation] 海綿由来血管新生阻害物質globostellatic acid X mithyl esterの構造活性相関2008

    • Author(s)
      古徳直之
    • Organizer
      第17回天然薬物の開発と応用シンポジウム
    • Place of Presentation
      九州大学医学部百年講堂
    • Year and Date
      2008-11-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] 海綿由来の血管新生阻害物質globostellatic acid X methyl esterのモデル化合物の合成と活性評価2008

    • Author(s)
      古徳直之、玉田 尚、林亜紗実、小林資正
    • Organizer
      第58回日本薬学会近畿支部大会
    • Place of Presentation
      神戸薬科大学
    • Year and Date
      2008-10-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 海綿由来の血管新生阻害物質globostenatic acid X methyl esterのモデル化合物の合成と活性評価2008

    • Author(s)
      古徳直之
    • Organizer
      第58回日本薬学会近畿支部大会
    • Place of Presentation
      神戸薬科大学
    • Year and Date
      2008-10-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] 海綿由来の血管新生阻害物質をシーズとする活性リード化合物の合成2008

    • Author(s)
      古徳直之
    • Organizer
      第12回がん分子標的治療研究会総会
    • Place of Presentation
      学術総合センター
    • Year and Date
      2008-06-27
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 海綿由来血管新生阻害物質cortistatin AのA環部分の合成2008

    • Author(s)
      古徳直之、平川陽一、林 剛史、小林資正
    • Organizer
      日本薬学会第128年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-03-26
    • Related Report
      2008 Final Research Report
  • [Presentation] 海綿由来血管新生阻害物質cortistatin A のA環部分の合成2008

    • Author(s)
      林 剛史
    • Organizer
      日本薬学会第128年会
    • Place of Presentation
      パシフイコ横浜
    • Year and Date
      2008-03-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] 血管新生阻害物質cortistatin AのA環フラグメントの構築2007

    • Author(s)
      古徳直之、平川陽一、小林資正
    • Organizer
      第57回日本薬学会近畿支部大会
    • Place of Presentation
      大阪薬科大学
    • Year and Date
      2007-10-27
    • Related Report
      2008 Final Research Report
  • [Presentation] 海綿由来の血管新生阻害物質bastadin 6の標的タンパク質の探索2007

    • Author(s)
      古徳直之、辻家崇維、荒井雅吉、小林資正
    • Organizer
      第57回日本薬学会近畿支部大会
    • Place of Presentation
      大阪薬科大学
    • Year and Date
      2007-10-27
    • Related Report
      2008 Final Research Report
  • [Presentation] 海綿由来の血管新生阻害物質bastadin 6 の標的タンパク質の探索2007

    • Author(s)
      古徳直之
    • Organizer
      第57回日本薬学会近畿支部大会
    • Place of Presentation
      大阪薬科大学
    • Year and Date
      2007-10-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] 血管新生阻害物質cortistatin A のA環フラグメントの構築2007

    • Author(s)
      平川陽一
    • Organizer
      第57回日本薬学会近畿支部大会
    • Place of Presentation
      大阪薬科大学
    • Year and Date
      2007-10-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] 海綿由来の血管新生阻害物質cortistatin類の構造活性相関と作用メカニズムの解析2007

    • Author(s)
      古徳直之、渡部康雄、青木俊二、住井裕司、田辺大樹、荒井雅吉、小林資正
    • Organizer
      第49回天然有機化合物討論会
    • Place of Presentation
      札幌コンベンションセンター
    • Year and Date
      2007-09-19
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Remarks]

    • URL

      http://www.phs.osaka-u.ac.jp/homepage/b012/

    • Related Report
      2008 Final Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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