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.