HCID 68617790, compound → HCID 59512561, compound

Participants

Reaction Steps

The title compound is prepared according to Scheme 6 as follows: The solution of (3R,4R)-3-({isopropyl-[4-methoxy-3-(3-methoxy-propoxy)-benzoyl]-amino}-methyl)-4-[(2-methyl-2-phenyl-propionylamino)-methyl]-pyrrolidine-1-carboxylic acid tert-butyl ester (227 mg, 0.319 mmol) in 4N HCl in dioxane (2 mL) is stirred for 6 hrs at room temperature. The volatiles are removed by freeze-drying to give the title compound as white solid. MS [M+H]+=540.2. tR (HPLC, Nucleosil C18HD column, 20-100% CH3CN/H2O/6 min, 100% CH3CN/2 min, CH3CN and H2O containing 0.1% TFA, flow: 1 mL/min): 3.91 min.

Provenance & Evidence