From the roots of Thalictrum faberi, six new phenolic aporphine-benzylisoquinoline alkaloids, 3-hydroxy-6'-desmethyl-9-O-methylthalifaboramine (1), 3-hydroxythalifaboramine (2), 6'-desmethylthalifaboramine (3); 3,5'-dihydroxythalifaboramine (4), 5'-hydroxythalifaboramine (5) and 3-hydroxy-6'-desmethylthalifaboramine (6) were isolated. Their structures were established through the use of one- and two-dimensional NMR techniques. All of the tested alkaloids showed potent cytotoxic and antimalarial activities.
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| http://dx.doi.org/10.1016/s0031-9422(98)00580-9 | DOI Listing |
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