New peptide alkaloids from Hovenia dulcis and H. tomentella |
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| Authors: | Makoto Takai Yukio Ogihara Shoji Shibata |
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| Affiliation: | Faculty of Pharmaceutical Sciences, University of Tokyo, Bunkyo-ku, Tokyo, Japan |
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| Abstract: | From the root bark of Hovenia dulcis Thunb. and H. tommentella (Makino) Nakai (Rhamnaceae), three peptide alkaloids, frangulanine, hovenins-A and -B have been isolated. Hovenin-A has been shown to be des-N-methylfrangulanine (II). |
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| Keywords: | Rhamnaceae peptide alkaloids frangulanine |
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