Potassium Iodide → Ammonia

Participants

Reaction Conditions

Reaction Steps

4-{4-[4-(2-aminoethyl)phenoxy]butyl}-2-[(1R)-3-(diisopropylamino)-1-phenylpropyl]phenol bis hydrochloride salt (Preparation 13, 420 mg, 0.73 mmol), N-{2-(benzyloxy)-5-[(1R)-2-bromo-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl]phenyl}methanesulfonamide (Prepared according to WO2005/080324, 375 mg, 0.73 mmol), sodium hydrogen carbonate (245 mg, 2.92 mmol) and potassium iodide (121 mg, 0.73 mmol) were added to acetonitrile (15 ml) and heated to 90° C. for 30 minutes and left at room temperature for 48 hours, water was added and extracted with ethyl acetate, dried (magnesium sulphate) and the solvent removed in vacuo, the residue was purified by column chromatography on silica gel eluting with dichloromethane:methanol:880 ammonia (971310.3 to 92/810.8 by volume) to furnish the title compound as a white foam, 207 mg.

Provenance & Evidence