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López-Martín, Javier; Anam, Edet M.; Boira, Herminio; Sanz, María Jesús; Blázquez, María Amparo
Chemical & pharmaceutical bulletin, 12/2002, Letnik: 50, Številka: 12Journal Article
Dennettine, a new 2,6-dimethoxychromone and three known phenanthrene alkaloids (uvariopsine, stephenanthrine and argentinine) in addition to the phenolic and known compound vanillin were isolated from the roots of Dennettia tripetala. Their structures were determined by physical and spectroscopical one dimensional (1D) and 2D-NMR analysis, including heteronuclear multiple bond correlation and nuclear Overhauser enhancement spectroscopy.
