Acetic Acid → (R)-5-(1-amino-1-oxobutan-2-ylamino)-3-(3-phenylisothiazol-5-ylamino)pyrazine-2-carboxamide

Participants

Reaction Steps

The compound (R)-2-(5-cyano-6-(3-phenylisothiazol-5-ylamino)pyrazin-2-ylamino)butanamide (8 mg, 0.021 mmol) was dissolved in EtOH (1 mL) and DMSO (0.5 mL), aq. 1N NaOH (0.5 mL) and aq. H2O2 (30%, 0.5 mL) were added. The mixture was stirred at room temperature for 20 min. HOAc (0.1 mL) was added. The mixture was then concentrated in vacuo. The residue was purified by HPLC to give the titled compound (5 mg). MS found for C18H19N7O2S as (M+H)+ MS 398.2. UV: λ=UV 201.1, 267.7, 321.9 nm.

Provenance & Evidence