Article
Bioactive steroidal alkaloids from Solanum umbelliferum.
Journal of natural products - 1 Mar 1996
Kim Y C, Che Q M, Gunatilaka A A, Kingston D G
Abstract excerpt
Bioassay-directed fractionation of the MeOH extract of Solanum umbelliferum afforded solasodine (1), O-acetylsolasodine (2), and solasodine 3-O-beta-D- glucopyranoside (3). Alkaloids 1 and 2 exhibited significant activity toward DNA repair-deficient yeast mutants, whereas 3 and the synthetic analogues N-acetylsolasodine (4) and N,O-diacetylsolasodine (5) were found to be inactive. Compounds 2 and 3 are new...
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