A heterodimer alkaloid from Narcissus pallidiflorus

作者: Carles Codina , Francesc Viladomat , Jaume Bastida , Mario Rubiralta , Jean-Charles Quirion

DOI: 10.1016/0031-9422(90)85214-Z

关键词: NarcissusStereochemistryDimerAlkaloidHomolycorineNarcissus pallidiflorusHaemanthamineNuclear magnetic resonance spectroscopyChemistryAmaryllidaceae

摘要: Abstract Whole plants of Narcissus pallidiflorus collected at Alava (Spain) were found to contain a new heterodimer amaryllidaceous alkaloid, pallidiflorine. Its structure was elucidated mainly by NMR spectroscopy using 1 H- H (COSY) and 13 C two-dimensional experiments. The known alkaloids 5,6-dihydrobicolorine, haemanthamine, homolycorine, 8- O -demethylhomolycorine pretazettine also isolated from the same plant.

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