Twenty-five novel 4-(2-fluorophenoxy)-3, 3′-bipyridine derivatives were designed and synthesized.
Six series of aza-aryl formamide/amine scaffolds as linker were designed to identify the “five-atom regulation”.
The cytotoxicity of 26c was more potent against MKN-45 and MDA-MB-231 cell lines than Foretinib.
Compound 23n displayed preferable activity for c-Met kinase (IC50 = 8.2 nM).