Tricalysiolide G, and Tricalysiols A and B : rearranged ent-Kaurane-Type and ent-Kaurane-Type Diterpenoids from the Leaves of Tricalysia dubia (Lindl.) Ohwi

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概要

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• Three rearranged ent-kaurane diterpenes having the cafestol-type framework were isolated from the leaves of Tricalysia dubia. Two of them were found to be known diterpenoids, tricalysiolides B and C. Tricalysiolide B was isolated as colorless prisms in this experiment and its three dimensional structure was determined by X-ray crystallography. The remaining one was a new compound and named tricalysiolide G. Two new ent-kaurane-type diterpenoids, to which tricalysiols A and B were given as trivial names, were also isolated. The structures of the new compounds were elucidated from spectroscopic evidence.

• Springer Japanの論文
• 2007-02-20

著者

• Matsunami Katsuyoshi

  Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University

• Otsuka Hideaki

  Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University

• Takeda Yoshio

  Faculty of Pharmacy, Yasuda Womens University

• Takeda Yoshio

  Fac. Of Pharmacy Yasuda Women's Univ. 6-13-1 Yasuhigashi Asaminami-ku Hiroshima 731-0153 Jpn

• Takeda Y

  Okinawa Prefectural Experimental Station Of Forestry

• Takaishi Y

  Univ. Tokushima Shomachi Jpn

• Shinzato Takakazu

  Subtropical Field Science Center, Faculty of Agriculture, University of the Ryukyus

• Otsuka Hideaki

  Division Of Medicinal Chemistry Graduate School Of Biochemical Sciences Hiroshima University

• Otsuka Hideaki

  Department Of Pharmacognosy Graduate School Of Biomedical Sciences Hiroshima University

• Otsuka Hideaki

  Department Of Pharmacognosy Graduate School Biomedical Sciences Hiroshima University

• He Dong-hui

  Department Of Pharmacognosy Graduate School Of Biomedical Sciences Hiroshima University

• ARAMOTO Mitsunori

  Iriomote-Station, Tropical Biosphere Research Center, University of the Ryukyus

• BANDO Masahiko

  Medicinal Chemistry Research Institute, Otsuka Pharmaceutical Co. Ltd

• Takaishi Y

  Graduate School Of Pharmaceutical Sciences University Of Tokushima

• Matsunaga Kazuhisa

  Faculty Of Pharmaceutical Sciences Fukuoka University

• Takeda Yoshio

  Faculty Of General Arts And Sciences The Tokushima University

• Takeda Y

  Daiichi Pharmaceutical Co. Ltd. Tokyo Jpn

• Otsuka H

  Hiroshima Univ. Hiroshima Jpn

• Bando M

  Medicinal Chemistry Research Institute Otsuka Pharmaceutical Co. Ltd

• Matsunami Katsuyoshi

  Department Of Pharmacognosy Graduate School Biomedical Sciences Hiroshima University

• Aramoto Mitsunori

  Iriomote Station Tropical Biosphere Research Center University Of The Ryukyus

• Matsunami Katsuyoshi

  Dep. Of Pharmacognosy Graduate School Of Biomedical Sciences Hiroshima Univ.

• Shinzato Takakazu

  Subtropical Field Sci. Center Fac. Of Agriculture Univ. Of The Ryukyus

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