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Note | Regular issue | Vol 78, No. 8, 2009, pp.2101-2106
Published online, 16th April, 2009
DOI: 10.3987/COM-09-11702
X-Ray Structure of Two Stephacidins, Heptacyclic Alkaloids from the Marine-Derived Fungus Aspergillus ostianus

Keijiro Kito, Ryuhei Ookura, Takenori Kusumi, Michio Namikoshi, and Takashi Ooi*

*Faculty of Pharmaceutical Sciences, The University of Tokushima, Sho-machi, Tokushima 770-8505, Japan

Abstract

Two stephacidins, 21-hydroxystepahcidin and notoamide F, were isolated from the cultivation medium of the marine-derived fungus Aspergillus ostianus, and their structures were confirmed by X-ray crystallography.