According to the structure-activity relationship study, the N , N -dimethylcarbamate derivative 2b (18.45 μM), the N , N -diethyl carbamate analogue 2d (13.02 μM), and the N , N -diisopropylcarbamate substitute 2g (9.09 μM) showed a trend toward more potent anticancer activity against NCI-H1299 cells with increasing lipophilicity of the carbamate residues in the molecule.
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Synthesis and antitumor activity of novel silibinin and 2,3-dehydrosilybin derivatives with carbamate groups.
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