Ethyl 4-hydroxypyrimidine-5-carboxylate

7-Chloroisoquinolin-1(2H)-one acts as a reagent for the preparation, SAR of methoxyisoquinoline derivative and discovery of asunaprevir (BMS-650032), an orally efficacious NS3 protease inhibitor for the treatment of hepatitis C virus infection. Synthesis and pharmacological evaluation of a series of 1,2-dihydro-1-[(5-methyl-1-imidazol-4-yl)methyl]-2-oxopyridine 5-HT3 antagonists.