2-Bromo-1-(1,3-thiazol-2-yl)ethan-1-one → 4-((Bis(3-fluorophenyl)methoxy)carbonyl)-1-methyl-1-(2-oxo-2-(thiazol-2-yl)ethyl)piperidinium bromide

Participants

Reaction Steps

To a solution of bis(3-fluorophenyl)methyl 1-methylpiperidine-4-carboxylate (106 mg, 0.31 mmol, prepared as in example 40) in EtOAc (3 ml), 2-bromo-1-(thiazol-2-yl)ethanone (63.2 mg, 0.31 mmol) was added. The mixture was stirred at room temperature for 27 hours. The solvent was evaporated, and the crude was triturated with Et2O and collected by filtration. The compound was purified by flash chromatography (DCM/MeOH=95/5 to 9/1) to obtain 4-((bis(3-fluorophenyl)methoxy)carbonyl)-1-methyl-1-(2-oxo-2-(thiazol-2-yl)ethyl)piperidinium bromide (120 mg).

Provenance & Evidence