Trifluoroacetic acid → HCID 89443037, compound

Participants

Reaction Steps

To a solution of 4-[1-(1-tert-butoxycarbonyl-pyrrolidin-2-ylmethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-piperidine-1-carboxylic acid benzyl ester (200.00 mg; 0.32 mmol; 1.00 eq.) in methanol 5 ml added trifluoro-acetic acid (54.24 mg; 0.48 mmol; 1.50 eq.), stirred at RT for 5 min, added ammonium formate (199.96 mg; 3.17 mmol; 10.00 eq.) and 200 mg wet 10% Pd/C, stirred at RT for 1 hr, lc-ms showed clean desired. Removed off solvent, added EA 50 ml, washed with Brine and 5% NaHCO3, dried, removed off solvent, got title compound 110 mg, yield 70%.

Provenance & Evidence