Oppositinines A and B: New vasorelaxant beta-carboline alkaloids from neisosperma oppositifolia

A phytochemical study on the bark of Neisosperma oppositifolia (Apocynaceae) yielded two new beta-carboline indole alkaloids, oppositinines A (1) and B (2), together with five known alkaloids, isoreserpiline, isocarapanaubine, vobasine, 10-methoxydihydrocorynantheol-N-oxide, and ochropposinine oxind...

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Bibliographic Details
Main Authors: Ahmad, K., Thomas, N.F., Hadi, A.H.A., Mukhtar, M.R., Mohamad, K., Nafiah, M.A., Takeya, K., Morita, H., Litaudon, M., Arai, H., Awang, Khalijah
Format: Article
Published: Pharmaceutical Soc Japan 2010
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Online Access:http://eprints.um.edu.my/12608/
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Institution: Universiti Malaya