A series of pyrrolopyrazinone-chalcone hybrids(12a-12q) was designed,synthesized and screened for their antitumor activity against SKOV-3,A549 and HeLa cell lines in vitro.Compared with the pyrrolopyrazinone(10a) ...A series of pyrrolopyrazinone-chalcone hybrids(12a-12q) was designed,synthesized and screened for their antitumor activity against SKOV-3,A549 and HeLa cell lines in vitro.Compared with the pyrrolopyrazinone(10a) and 5-fluorouracil(5-FU),nearly all the tested compounds showed significantly-improved antitumor activities.The most promising compounds 12e and 12k(IC50=0.25 and 0.88 μmol/L) respectively show activities of 123and 35 times that of compound 10a(IC50=30.74 μmol/L) against HeLa cell line.The result reveals that the presence of chalcone moiety is beneficial to their activity and selectivity.展开更多
文摘A series of pyrrolopyrazinone-chalcone hybrids(12a-12q) was designed,synthesized and screened for their antitumor activity against SKOV-3,A549 and HeLa cell lines in vitro.Compared with the pyrrolopyrazinone(10a) and 5-fluorouracil(5-FU),nearly all the tested compounds showed significantly-improved antitumor activities.The most promising compounds 12e and 12k(IC50=0.25 and 0.88 μmol/L) respectively show activities of 123and 35 times that of compound 10a(IC50=30.74 μmol/L) against HeLa cell line.The result reveals that the presence of chalcone moiety is beneficial to their activity and selectivity.