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1995 Fiscal Year Final Research Report Summary

Studies on Tropical Medicinal Plants

Research Project

Project/Area Number 05671769
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Chemical pharmacy
Research InstitutionTokyo University of Pharmacy & Life Science

Principal Investigator

TAKEYA Koichi  Tokyo University of Pharmacy & Life Science, Pharm., Ass. Prof., 薬学部, 助教授 (20120149)

Co-Investigator(Kenkyū-buntansha) HITOTSUYANAGI Yukio  Tokyo University of Pharmacy & Life Science, Pharm., Lecturer, 薬学部, 講師 (80218726)
Project Period (FY) 1993 – 1995
KeywordsAntitumor substance / Cytotoxic substance / Eurycoma / Abuta / Cissampelos / Maytenus / Tropone / Quassinoid
Research Abstract

Many plants collected in the neotropical region, mainly in South America and Indonesia, were assayd for their antitumor and cytotoxic activities by using Sarcoma 180 ascites in mice and V-79, P388 and KB cells, respectively. Those plants shown to be biologicaly active by these screening tests were further investigated to identify their active principles. The isolation, structural elucidation and biological activities of active principles from those plants were studied. As the biological active compounds, quassinoids, squalene-type triterpene ethers and tirucallane-type triterpenes were isolated from Eurycoma longifolia (Simaroubaceae), aromatized triterpenes and their dimers from Maytenus plants (Celastraceae), and tropoloisoquinoline and azafluoranthene alkaloids from Cissampelos pareira and Abuta concolor (Menispermaceae).

  • Research Products

    (23 results)

All Other

All Publications (23 results)

  • [Publications] Koichi TAKEYA: "Azafluoranthene Alkaloids from Cissampelos pareira" Chem. Pharm. Bull.41. 1307-1308 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koichi TAKEYA: "Squalene Derivatives from Eurycoma longifolia" Phytochemistry. 34. 765-771 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koichi TAKEYA: "Preparation and Antileukemic Activity of Congeners of Tropoloisoquinoline Alkaloids from Abuta concolor" Heterocycles. 37. 1025-1031 (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koichi TAKEYA: "A Novel Condensed Tropone-Isoquinoline Alkaloid,Pareitropone,from Cissampelos pareira" Bioorg. Med. Chem. Lett.5. 597-598 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koichi TAKEYA: "Studies on Antitumor Substances from Tropical Plants" Nat. Med.49. 221-229 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 竹谷孝一: "熱帯圏植物からの抗腫瘍活性物質の探索研究" Natural Medicines. 49. 221-229 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] O.Shirota,H.Morita,K.Takeya and H.Itokawa: "Structures of Xuxuarines,Stereoisomeric Triterpene Dimers form Maytenus chuchuhuasca" Tetrahedron. 51. 1107-1120 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 竹谷孝一: "Natural Medicines" 熱帯圏植物からの抗腫瘍活性物質の探索研究, 221-229 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] O.Shirota,H.Morita,K.Takeya and H.Itokawa: "Tetra hedron" Structures of Xuxuarines,Stereoisomeric Triterpene Dimers from Maytenus Chuchuasca, 1107-1120 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Takeya: "Oligo-Nicotimated Sesquiterpene Polyesters from Maytenus ilicifolia" J.Nat. Prod.56. 1479-1485 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Novel Quassinoids from Eurycoma longifolia" Chem. Pharm. Bull.41. 403-405 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Azafluoranthene-Alkaloids from Cissampelos pareira" Chem. Pharm. Bull.41. 1307-1308 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Structures and Solid States Tautomeric Forms of Two Novel Antileukemic Tropoloisoquinoline Alkaloids, Pareirubrines A and B, from Cissampelos pareira" Chem. Pharm. Bull.41. 1418-1422 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Squalene Derivatives from Eurycoma longifolia" Phytochemistry. 34. 765-771 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "A Novel Tropoloisoquinoline Alkaloid, Pareirubrine, from Cissampelos pareira" Chem. Lett.339-342 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Sesquiterpene Pyridine Alkaloids from Maytenus ilicfolia" Heterocycles. 38. 383-389 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Preparation and Antileukemic Activity of Congeners of Tropoloisoquinoline Alkaloids from Abuta concolor" Heterocycles. 37. 1025-1031 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Cangorins F-J, Five Additional Oligonicotinated Sesquiterpne Polyesters from Maytenus ilicifolia" J.Nat. Prod.57. 460-470 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Sesquiterpene Pyridine Alkaloids from Maytenus chuchuhuasca" Heterocycles. 38. 2219-2229 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Cytotoxic Aromatic Triterpenes from Maytenus ilicifolia and Maytenus chuchuhuasca" J.Nat. Prod.57. 1675-1681 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "A Novel Condensed Tropone-Isoquinoline Alkaloid, Pareitropone, from Cissampelos pareira" Bioorg. Med. Chem. Lett.5. 597-598 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Structures of Xuxuarines, Stereoisomeric Tritepene Dimers from Maytenus chuchuhuasca" Tetrahedron. 51. 1107-1120 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Takeya: "Studies on Antitumor Substances from Tropical Plants" Nat. Med.49. 221-229 (1995)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1997-03-04  

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