Formic Acid → HCID 118114544, compound

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Reaction Steps

(R)-5-(4-(Piperidin-4-yl)phenylamino)-3-(3-(piperidine-1-carboxamido)piperidin-1-yl)-1,2,4-triazine-6-carboxamide hydrochloride (494) (60 mg, 0.11 mmol) was dissolved in 3 mL DMF. To it were added formic acid (25 mg, 0.55 mmol), DIEA (200 μL, 1.10 mmol) and then PyBOP (115 mg, 0.22 mmol). The mixture was stirred at RT for 1 hour, quenched with 0.3 mL TFA, and directly subjected to reverse phase prep HPLC to isolate the title compound, (R)-5-(4-(1-formylpiperidin-4-yl)phenylamino)-3-(3-(piperidine-1-carboxamido)piperidin-1-yl)-1,2,4-triazine-6-carboxamide (496), as HCl salt (37 mg). LC-MS (ESI): m/z (M+1) 536.2. UV: λ=261, 329, 337 nm.

Provenance & Evidence