Add time:09/28/2019 Source:infona.pl
A series of novel 2,4-Diaminopyrimidine (cas 156-81-0)s containing piperidine and piperazine moieties were synthesized via an efficient one-pot methodology. The bioassay tests demonstrated that compounds 27 and 28 displayed much stronger antitumor activities against four human cancer cell lines (HepG2, A549, MDA-MB-231 and MCF-7) than positive control fluorouracil. Particularly, compound 28 showed a two-fold improvement compared to fluorouracil in inhibiting MDA-MB-231 and A549 cell proliferation with IC 50 values of 7.46 and 12.78 μM, respectively. Further flow-activated cell sorting analysis revealed that the most promising compound 28 displayed a significant effect on G 2 /M cell-cycle arrest in a dose-dependent manner in MDA-MB-231 cells.
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