Hydrogen chloride-ethyl acetate → HCID 59526948, compound

Participants

Reaction Steps

To an ice-cold solution of 4-[(3-{[4-(benzyloxy)-3-methylquinolin-2-yl]methoxy}phenoxy)methyl]piperidine-1-carbamic acid tert-butyl ester (735 mg) in ethyl acetate-ethanol (3:1, 20 mL) was added a 4M hydrogen chloride-ethyl acetate solution (15 mL), and the mixture was stirred at room temperature for 1.5 hours. The reaction mixture was concentrated under reduced pressure, and then a 5% aqueous sodium hydrogen carbonate solution was added to the residue, followed by extraction with ethyl acetate (80 mL). The organic layer was washed with saturated brine and then dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: chloroform/methanol=20/1) to obtain 4-(benzyloxy)-3-methyl-2-{[3-(piperidin-4-ylmethoxy)phenoxy]methyl}quinoline (545 mg).

Provenance & Evidence