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Cyclopeptide alkaloids from Zizyphus nummularia |
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| Authors: | V.B. Pandey J.P. Singh K.K. Seth A.H. Shah G. Eckhardt |
| Affiliation: | 3. Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India;1. Department of Chemistry, Gomal University, D.I. Khan, Pakistan;2. Institut für Organische Chemie und Biochemie der Universität Bonn, Gerhard Domagk Str.-1, W. Germany |
| Abstract: | In addition to the known alkaloid nummularine-B, two new peptide alkaloids nummularine-M and nummularine-N have been isolated from Zizyphus nummularia and their structures elucidated. Nummularine-M is a 14-membered cyclopeptide and belongs to the integerrinine type, whereas nummularine-N is a 13-membered cyclopeptide like nummularine-B. |
| Keywords: | Rhamnaceae peptide alkaloids nummularine-M nummularine-N nummularine-B. |
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