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1982 (1)
1981 (1)
1Author    Werner Kohl, Barbara Witte, Gerhard HöfleRequires 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 
2Author    Werner Kohl, Barbara Witte, Gerhard HöfleRequires 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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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-1346.pdf 
 Identifier    ZNB-1982-37b-1346 
 Volume    37