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Note | Special issue | Vol 74, No. 1, 2007, pp.969-976
Published online, 19th October, 2007
DOI: 10.3987/COM-07-S(W)35
Huncaniterine A, a New Bisindole Alkaloid from Hunteria zeylanica

Khalit Mohamad, Tomoko Suzuki, Yuki Baba, Kazumasa Zaima, Yosuke Matsuno, Yusuke Hirasawa, Mat Ropi Mukhtar, Khalijah Awang, A. Hamid A. Hadi, and Hiroshi Morita*

*Faculty of Pharmaceutical Sciences, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan

Abstract

A new bisindole alkaloid, huncaniterine A (1) consisting of corynantheine-type and aspidospermane-type skeletons, has been isolated from the bark of Hunteria zeylanica (Apocynaceae) and the structure was elucidated on the basis of spectroscopic data. Huncaniterine A (1) exhibited a vasorelaxant activity on isolated rat aorta ring.