Trifluoroacetic acid → HCID 68601085, compound

Participants

Reaction Steps

To a solution of 315 mg 4-[(S)-2-tert-Butoxycarbonylamino-4-(1-methyl-1H-tetrazol-5-yl)-butyryl]-piperazine-1-carboxylic acid butyl ester in 5 ml dichloromethane were added 0.5 ml TFA. After 12 h stirring at RT the solvents were removed and the residue was codistilled twice with toluene. Yield: 0.41 g.

Provenance & Evidence