Trifluoroacetic acid → HCID 68226620, compound

Participants

Reaction Steps

To a solution of (S)-3-tert-Butoxycarbonylamino-2-{[3-chloro-5-(3-hydroxy-benzylcarbamoyl)-thiophene-2-carbonyl]-amino}-propionic acid methyl ester (0.30 g, 0.59 mmol) in DCM (10 mL) was added TFA (3 mL). The mixture was stirred at room temperature 1 h and evaporated. Isolate 0.34 g of crude product which was used without further purification.

Provenance & Evidence