Sativanine-a and sativanine-b,two new cyclopeptide alkaloids from the bark of Zizyphus sativa |
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| Authors: | Rudolf Tschesche Arif H. Shah Gert Eckhardt |
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| Affiliation: | Institut für Organische Chemie und Biochemie der Universität, Gerhard-Domagk-Str. 1, D-5300 Bonn 1, W. Germany |
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| Abstract: | From the bark of Zizyphus sativa, in addition to already described cyclopeptide alkaloids, two new compounds of this class, sativanine-A(1) and sativanine-B(2), were isolated. Both alkaloids contain 14-membered ring systems. 1 belongs to the integerrine type, while 2 is similar to nummularine-G, with an additional ring in the side chain. |
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| Keywords: | Rhamnaceae cyclopeptide alkaloids sativanine-A and sativanine-B. |
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