Abstract
A series of novel dihydropyrazole derivatives linked with 2H-chromen were designed and synthesized. All of the compounds have been screened for their antiproliferative activity against MGC-803, Bcap-37, SGC-7901 and HepG2 cell lines in vitro. The results revealed that compounds 4a and 10a exhibited strong inhibitory activity against HepG2 cell and manifested obvious un-toxic effect on GES-1 and L-02 cell lines. Some title compounds were tested against telomerase, compound 10a showed the most potent inhibitory activity with IC50 value at 0.98 ± 0.11 μM, it could fit well into the active site of TERT. The further molecular mechanism of antiproliferation was explored, the data suggested that compound 10a could inhibit hTERT expression and Wnt/β-catenin signaling.
Published Version
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