Hydrochloric Acid → 5-{4-[4-({[(2-fluoro-5-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-N-[3-(2H-tetrazol-5-yl)propyl]-1H-pyrrole-3-carboxamide

Participants

Reaction Steps

To a stirred solution of 5-{4-[4-({[(2-fluoro-5-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrole-3-carboxylic acid (100 mg, 0.22 mmol) in 10 ml of anhydrous DMF were added HATU (91 mg, 0.24 mmol) and N,N-diisopropylethylamine (85 mg, 0.66 mmol). The mixture was stirred at room temperature for 10 minutes, followed by addition of 3-(1H-tetrazol-5-yl)propan-1-amine hydrochloride (54 mg, 0.33 mmol). The mixture was stirred at room temperature for another 60 minutes and poured into 100 ml of water with vigorous stirring. 1M HCl was added dropwise until pH=5. The precipitates were filtered, washed with water and dried in vacuo to give 5-{4-[4-({[(2-fluoro-5-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-N-[3-(2H-tetrazol-5-yl)propyl]-1H-pyrrole-3-carboxamide as light brown solid. Yield: 105 mg, 85%.

Provenance & Evidence