Cyclovibsanins, Unprecedented Seven-Membered Vibsane-Type Diterpenes from Viburnum awabuki

Yoshiyasu      Fukuyama; Mai      Morisaki; Yuka      Minoshima; Hiroyuki      Minami; Hironobu      Takahashi; Yoshinori      Asakawa

doi:10.2174/1570178043488473

Abstract

Four unprecedented vibsane-type diterpenes, named cyclovibsanin A, 15-Omethylcyclovibsanin A, 15-O-methylcyclovibsanin B, and 3-hydroxy-15-O-methylcyclovibsanin A, were isolated from the leaves of Viburnum awabuki. Their unique tricyclo[6.3.2.00,0]tridecane structures and plausible biosynthesis of cyclovibsanins are discussed here.

Keywords: vibsane-type diterpene, cyclovibsanin, seven-membered vibsane, viburnum awabuki

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Letters in Organic Chemistry

Title: Cyclovibsanins, Unprecedented Seven-Membered Vibsane-Type Diterpenes from Viburnum awabuki

Volume: 1 Issue: 2

Author(s): Yoshiyasu Fukuyama, Mai Morisaki, Yuka Minoshima, Hiroyuki Minami, Hironobu Takahashi and Yoshinori Asakawa

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Keywords: vibsane-type diterpene, cyclovibsanin, seven-membered vibsane, viburnum awabuki

Abstract: Four unprecedented vibsane-type diterpenes, named cyclovibsanin A, 15-Omethylcyclovibsanin A, 15-O-methylcyclovibsanin B, and 3-hydroxy-15-O-methylcyclovibsanin A, were isolated from the leaves of Viburnum awabuki. Their unique tricyclo[6.3.2.00,0]tridecane structures and plausible biosynthesis of cyclovibsanins are discussed here.

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Fukuyama Yoshiyasu, Morisaki Mai, Minoshima Yuka, Minami Hiroyuki, Takahashi Hironobu and Asakawa Yoshinori, Cyclovibsanins, Unprecedented Seven-Membered Vibsane-Type Diterpenes from Viburnum awabuki, Letters in Organic Chemistry 2004; 1 (2) . https://dx.doi.org/10.2174/1570178043488473