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DOI: 10.1055/s-2007-969934
© Hippokrates Verlag Stuttgart
Alcaloïdes Indoliques Monomères de Kopsia officinalis
Monomeric Indole Alkaloids from Kopsia officinalisPublication History
1983
Publication Date:
26 March 2007 (online)
Abstract
Ten monomeric indole alkaloids have been identified from the roots of Kopsia officinalis. Four of them are known: (-)-kopsinine 1, (+)-5,22-dioxokopsane 2, (-)-tetrahydroalstonine 4, and (-)-quebrachamine 3; and six are new: (-)-isoeburnamine 5 (enantiomer of the known alkaloid (+)-isoeburnamine), (-)-N-methoxycarbonyl-12-methoxykopsinaline 7, (-)-N-methoxycarbonyl-11,12-methylenedioxy kopsinaline 8, (-)-N-methoxycarbonyl-11,12-dimethoxykopsinaline 9, (-)-11,12-methylenedioxykopsinaline 10, and (-)-12-methoxykopsinaline 11.
Key Word Index
Kopsia officinalis - Apocynaceae - Monomeric Indole Alkaloids