1-(2,3,4-Trimethoxybenzoyl)-3-phenyl-3-(2-methanesulfonyloxyethyl)pyrrolidine → 1-(2,3,4-trimethoxybenzoyl)-3-(2-(4-(1H-benzimidazol-2-yl-amino)piperidin-1-yl)ethyl)-3-phenylpyrrolidine

Participants

Reaction Steps

Prepare by the method of Example 4.1 using 1-(2,3,4-trimethoxybenzoyl)-3-phenyl-3-(2-methanesulfonyloxyethyl)pyrrolidine (1.1 g, 2.3 mmol) and (1H-benzimidazol-2-yl)(piperidin-4-yl)amine hydriodic acid salt (1.21 g, 2.6 mmol). Purify by chromatography on silica gel eluting 28% methanol/ethyl acetate containing 20 mL concentrated aqueous ammonia solution/3L to give the title compound: mp; 112-119° C.

Provenance & Evidence