AbstractA new isoquinoline-isoquinolone alkaloid was isolated from the root bark of Berberis vulgaris and named berbanine. The structure was established by spectroscopic methods (including 2D NMR, HR-EI-MS).KeywordsBerberis vulgarisBerberidaceaeAlkaloidIsoquinoline-isoquinolone dimerBerbanineReferences1. Phillipson JD , Roberts MF , Zenk MH . (1985) The chemistry and biology of isoquinoline alkaloids. Springer-Verlag, Berlin, Germany, 126–128.2. Hussain SF , Siddiqui MT , Shamma M. (1989) Berbidine: a simple isoquinoline-isoquinolone dimer. Journal of Natural Products, 52, 317–319.
