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Paper | Special issue | Vol 77, No. 1, 2009, pp.539-546
Published online, 1st September, 2008
DOI: 10.3987/COM-08-S(F)74
Acetal — Bearing Rearranged Vibsane-Type Diterpenoids from Viburnum awabuki

Miwa Kubo, Yuka Minoshima, Daiki Arimoto, Hiroyuki Minami, Kenichi Harada, Hideaki Hioki, and Yoshiyasu Fukuyama*

*Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Nishihamabouji, Yamashiro-machi, Tokushima, 770-8514, Japan

Abstract

Neovibsanin J (1), neovibsanin K (2), and neovibsanin P (3), unique vibsane-type diterpenoids bearing an acetal moiety at the C-7 position, were isolated from the leaves of Viburnum awabuki and their structures were elucidated by NMR spectral analysis using 2D techniques.