Megastigmane, Benzyl and Phenethyl Alcohol Glycosides, and 4,4'-Dimethoxy-β-truxinic Acid Catalpol Diester from the Leaves of Premna subscandens MERR.

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概要

• 論文の詳細を見る

• Extensive isolation work on the n-BuOH-soluble fraction obtained from the leaves of Premna subscandens, collected on Ishigaki island, Okinawa, afforded six compounds. Two were identified as megastigmane glucosides, 7-(3,5-dihydroxy-1,1,5-trimethylcyclohexylidene)-9-methylprop-8-enyl 9-O-β-ionol 9-O-β-D-glucopyranoside and 3-hydroxy-5,6-epoxy-β-D-glucopyranoside. The structures of the remaining four new compounds were elucidated to be a 2'-O-β-D-apiofuranosyl derivative of 3-hydroxy-5,6-epoxy-β-ionol 9-O-β-D-glucopyranoside, named premnaionoside, benzyl alcohol β-D-(2'-O-β-D-xylopyranosyl)glucopyranoside, phenethyl alcohol β-D-(2'-O-β-D-glucopyranosyl)glucopyranoside, and 4,4'-dimethoxy-β-truxinic acid catalpol diester by spectroscopic analyses.

• 公益社団法人日本薬学会の論文
• 2000-04-01

著者

• 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

• OTSUKA Hideaki

  Institute of Pharmaceutical Sciences, Hiroshima University School of Medicine

• Sudo Hirokazu

  Institute Of Pharmaceutical Sciences Hiroshima University School Of Medicine

• HIRATA Eiji

  Faculty of Agriculture, University of the Ryukyus

• Takeda Yoshio

  Faculty Of General Arts And Sciences The Tokushima University

• Otsuka Hideaki

  Institute Of Pharmaceutical Sciences Hiroshima University Faculty Of Medicine

• Hirata Eiji

  Faculty Of Agriculture University Of The Ryukyus

• Ide Toshinori

  Institute Of Pharmaceutical Sciences Hiroshima University School Of Medicine

• Otsuka H

  Hiroshima Univ. Hiroshima Jpn

• SHINZATO Takakazu

  University Forest, Faculty of Agriculture, University of the Ryukyus

• SHIMIDZU Hideko

  Faculty of Integrated Arts and Sciences, The University of Tokushima

• Shimidzu Hideko

  Faculty Of Integrated Arts And Sciences The University Of Tokushima

• Takushi A

  Yona Field Subtropical Field Science Center Faculty Of Agriculture University Of The Ryukyus

• Shinzato Takakazu

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

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