4-Aminopyridine → HCID 23499488, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 3-(2-benzylsulfonylhydrazino)-1-(3-bromopropyl)-6-methylpyrazinone, the product of Example 32, (0.174 g, 0.42 mmol) in dioxane (15 mL), are added 4-aminopyridine (0.048 g, 0.51 mmol) and 2,6-lutidine (0.099 mL, 0.85 mmol). The resulting mixture is stirred at 90° C. for about 15 hours and then is concentrated under reduced pressure. The crude residue is purified by RP-HPLC using acetonitrile/water/trifluoroacetic acid as eluent to afford the title compound.

Provenance & Evidence