Trifluoroacetic acid → HCID 68226607, compound

Participants

Reaction Steps

To a solution of (S)-3-tert-Butoxycarbonylamino-2-{[5-(3-hydroxy-benzylcarbamoyl)-3-phenyl-thiophene-2-carbonyl]-amino}-propionic acid methyl ester (0.148 g, 0.27 mmol) in DCM (5 mL) was added TFA (2.0 mL). The mixture was stirred at room temperature 1 h and evaporated. Isolate 0.23 g of crude product which was used without further purification.

Provenance & Evidence