反应详情

A mixture of 3-methyl-2-oxo-1-(2-pyridinyl)-4-imidazolidinecarboxylic acid TFA salt (117 mg, 0.35 mmol), 1-hydroxybenzotriazole hydrate (80 mg, 0.525 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (101 mg, 0.525 mmol) and N-ethyl morpholine (0.224 ml, 1.75 mmol) in dichloromethane (8 ml) was stirred at room temperature for 10 minutes. A solution of {[2-chloro-3-(trifluoromethyl)phenyl]methyl}amine (73.4 mg, 0.35 mmol) in dichloromethane (2 ml) was added and the reaction stirred at room temperature for 18 hours. The mixture was partitioned between dichloromethane and saturated sodium hydrogen carbonate solution. The organic phase was separated, washed with water and brine, dried and evaporated. The residue was purified by silica gel chromatography eluting with 0-10% methanol in dichloromethane to give N-{[2-chloro-3-(trifluoromethyl)phenyl]methyl}-3-methyl-2-oxo-1-(2-pyridinyl)-4-imidazolidinecarboxamide (90 mg, 62%). LC/MS [M+H]+=413, retention time=2.55 minutes.

1. stirringthe reaction stirred at room temperature for 18 hours
2. customThe mixture was partitioned between dichloromethane and saturated sodium hydrogen carbonate solution
3. customThe organic phase was separated
4. washwashed with water and brine
5. customdried
6. customevaporated
7. customThe residue was purified by silica gel chromatography
8. washeluting with 0-10% methanol in dichloromethane