Trifluoroacetic acid → HCID 90402511, compound

Participants

Reaction Steps

To a solution of tert-butyl 3-bromo-8-oxo-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-carboxylate (663 mg, 2.1 mmol) in DCM (21 mL) was added TFA (4.2 mL, 55 mmol). After 30 minutes, the reaction was concentrated and the residue was diluted with EtOAc, sonicated, and filtered to provide the desired product as a white solid (393 mg, 87%). MS (ESI): mass calcd. for C5H5BrN4O, 216.0; m/z found, 217.0 [M+H]+.

Provenance & Evidence