| | 1 | Author
| Werner Kohl, Barbara Witte, Gerhard Höfle | Requires cookie* | | | Title
| Alkaloide aus Catharanthus roseus-Zellkulturen, II [1] Alkaloids from Catharanthus roseus Tissue Cultures, II [1]  | | | | Abstract
| From the extract of Catharanthus roseus tissue cultures 16 different indole alkaloids have been isolated belonging to heteroyohimbane, aspidosperma and iboga types. The structures were deduced by UV, NMR and mass spectrometry. Ajmalicine (1) and catharanthine (16) were found to be the major constituents, tetra-hydroalstonine (2), akuammigine (3), 3-isoajmalicine (4), pleiocarpamine (6), akuammiline (6), tabersonine (7), 20-hydroxytabersonine (8), lochnericine (9), horhammericine (10), minovincinine (11), vindolinine (12), 20-epivindolinine (18), vindolinine -Nt -oxide (14) and 20-epivindolinine-Nb-oxide (16) could be determined as minor or trace alkaloids. | | | |
Reference
| Z. Naturforsch. 36b, 1153—1162 (1981); eingegangen am 20. Mai 1981 | | | |
Published
| 1981 | | | |
Keywords
| Indole Alkaloids, Catharanthus roseus, Cell Cultures | | | |
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| | | | | TEI-XML for
| default:Reihe_B/36/ZNB-1981-36b-1153.pdf | | | | Identifier
| ZNB-1981-36b-1153 | | | | Volume
| 36 | |
| 2 | Author
| Werner Kohl, Barbara Witte, Gerhard Höfle | Requires cookie* | | | Title
| Alkaloide aus Catharanthus roseus-Zellkulturen, III [1] Alkaloids from Catharanthus roseus Tissue Cultures, III [1] | | | | Abstract
| From the methanol extract of Catharanthus roseus tissue cultures sitsirikine (2), isositsirikine (3), dihydrositsirikine (4), yohimbine (5), 3-iso-19-epiajmalicine (6), pleio-carpamine (7), antirhin (8) and two up to now unknown alkaloids have been isolated in addition to the compounds previously found in the hexane extract. The structures belonging to lieteroyohimbane, vallesiachotamine, corynanthe and related types were deduced by UV, NMR and mass spectroscopy. | | | |
Reference
| Z. Naturforsch. 37b, 1346—1351 (1982); eingegangen am 17. Mai 1982 | | | |
Published
| 1982 | | | |
Keywords
| Indole Alkaloids, Catharanthus roseus, Cell Cultures | | | |
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| default:Reihe_B/37/ZNB-1982-37b-1346.pdf | | | | Identifier
| ZNB-1982-37b-1346 | | | | Volume
| 37 | |
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