Trifluoroacetic acid → HCID 11129421, compound

Participants

Reaction Steps

To a solution of 4-(4-methoxycarbonyl-phenoxy)-piperidine-1-carboxylic acid t-butyl ester (6 g, 17.89 mmol) in DCM (50 mL) was added TFA (25 mL) and stirring was continued for 1.5 hrs at room temperature. The volatiles were removed in vacuo and the residues was crystallised from diethyl ether affording after filtration and drying 5.92 g (95%) of 4-(piperidin-4-yloxy)-benzoic acid methyl ester as a solid TFA salt.

Provenance & Evidence