Pyrido[2,3-d]pyrimidines as anticancer agents
The pyrido[2,3-d]pyrimidine derivatives as anticancer agents include 5-(substituted-phenyl)-2-(3-methyl-5-oxo-2H-pyrazol-1(5H)-yl)-7-(pyridin-3-yl)pyrido[2,3-d]pyrimidin-4(3H)-one derivatives having the formula: where R is hydrogen; 2-halo, 3-halo, or 4-halo (Cl, Br, or F); 2-methoxy, 3-methoxy, or 4-methoxy (OCH3); 2-nitro, 3-nitro, or 4-nitro (NO2); 4-isopropyl, 4-methyl, or 4-cyano (CN); 2-hydroxy or 3-hydroxy (OH), 3-chloro and 5-chloro; 2-methoxy and 5-methoxy, 3-methoxy and 5-methoxy, or 3-methoxy and 4-methoxy; 3,4,5-trimethoxy; or 2-hydroxy and 4-hydroxy; or a pharmaceutically acceptable salt thereof. The derivatives may be useful in treating various cancers, including hepatic, colon, prostate, breast, and lung cancer.
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