(5-tert-Butoxycarbonylamino-2-propyl-benzoimidazol-1-yl)-acetic acid tert-butyl ester → (5-Amino-2-propyl-benzoimidazol-1-yl)-acetic acid tert-butyl ester

Participants

Reaction Steps

The product of example 25, step d.) (140 mg, 0.359 mmol) was stirred in 4 M HCl in dioxane (1 mL) at ambient temperature for an hour. The reaction was concentrated to give the sub-title compound that was used in crude form without purification. MS: ESI (positive): 290 (M+H).

Provenance & Evidence