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In our preliminary result,compound 1,which contained the urea side chain and diphenylfuranopyrimidine core structure,possessed Aurora A kinase inhibition with an IC50 of 43 nM and anti-proliferation against HCT-116 with an IC50 of 400 nM.In the present work,we applied the scaffold-hopping strategy to explore the structure-activity relationship of this series of kinase inhibitors.