Trifluoroacetic acid → HCID 86671260, compound

Participants

Reaction Steps

To a solution of (S)-3-tert-Butoxycarbonylamino-2-{[5-(3-hydroxy-benzylcarbamoyl)-3-trifluoromethyl-thiophene-2-carbonyl]-amino}-propionic acid methyl ester (0.19 g, 0.34 mmol) in DCM (6 mL) was added TFA (3.0 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