Acetic Acid → HCID 178483709, 화합물

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To a solution of 4-(2-{{4-[2-dimethylamino)ethyl]piperazine-1-yl}-6-phenylpyrido[2,3-d]pyrimidin-7-yl)benzaldehyde (6-5) (100 mg, 0.214 mmol) in DMF (5 mL) was added 4-(5-piperidin-4-yl-4H-1,2,4-triazol-3-yl)pyridine 1-oxide trifluoroacetate (B) (92 mg, 0.257 mmol) followed by Et3N (80 μL, 0.51 mmol), AcOH (91 μL, 1.5 mmol) and sodium triacetoxyborohydride (59 mg, 0.28 mmol). The reaction mixture was allowed to stir for 12 hr then diluted with EtOAc and washed with NaHCO3 (sat.), dried with MgSO4, filtered, and concentrated under reduced pressure. The oily residue was purified by reverse phase HPLC (20% MeCN/80% H2O to 47% MeCN/53% H2O) to afford the title compound. LRMS m/z (M+H) Calcd.: 696.9, found 696.1.

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