Three Minor Novel Triterpenoids from the Leaves of Diospyros kaki

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概要

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• Two novel 18, 19-secoursane triterpenoids, kakisaponin B (1) and kakisaponin C (2), an ursane type 28-nortriterpene, kakidiol (3) and one known triterpenoid rosamultin (4), were isolated from the leaves of Diospyros kaki. The structures of compounds 1 and 2 were determined as 28-O-β-D-glucopyranosyl-3α,19,24-trihydoxy-18,19-secours-11,13(18)-dien-28-oic acid (1) and 28-O-β-D-glucopyranosyl-2α,3α,19-trihydoxy-18,19-secours-11,13(18)-dien-28-oic acid (2) by chemical methods and spectra experiments. Kakidiol (3) was characterized as a C29-triterpene with an aromatic E-ring in structure. This is the first report of 18,19-secoursane triterpenoids and 28-nortriterpene from family Ebenaceae.

• 社団法人 日本薬学会の論文

著者

• Chen Guang

  College of Basic Medical Sciences, Jamusi University

• Wang Zong-Quan

  Hebei Yiling Medicine Institute

• Jia Ji-Ming

  Hebei Yiling Medicine Institute

• Chen Guang

  College of Life Science and Technology, Beijing University of Chemical Technology

関連論文

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• Three Minor Novel Triterpenoids from the Leaves of Diospyros kaki
• Flavonoid Constituents from Spiranthes australis LINDL

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