Collect. Czech. Chem. Commun. 1990, 55, 2095-2099
https://doi.org/10.1135/cccc19902095

Protoberberine alkaloids from the bark of Enantia chlorantha

Lars Jalandera, Rainer Sjöholma and Pauli Virtanenb

a Department of Organic Chemistry, Åbo Akademi, 20500 Åbo, Finland
b Medical Cyclotron Laboratory, University of Turku, 20500 Åbo, Finland

Abstract

Four protoberberine alkaloids, palmatine (Ia), jatrorrhizine (Ib), columbamine (Ic) and pseudocolumbamine (Id), were isolated from the bark of Enantia chlorantha and characterized. The corresponding acetylated tetrahydro derivatives (IIa-IId) were also identified.