反应详情

To a stirred suspension of N-(5-cyano-1H-imidazol-4-yl)-4-pyridinecarboxamide (0.53 g, 0.0025 mole), which can be made by the procedure of Example 1 substituting isonicotinoyl chloride for the 3-fluorobenzoyl chloride, in 20 ml of ethyl acetate was added 3-chloroperbenzoic acid (0.65 g, 0.003 mole). The mixture was heated at reflux for 15 hours, cooled and the solid product collected by filtration. The solid was washed with ethyl acetate and dried under reduced pressure to give N-(5-cyano-1H-imidazol-4-yl)-4-pyridinecarboxamide N-oxide (0.52 g; mp, 290°).

1. temperatureThe mixture was heated
2. temperatureat reflux for 15 hours
3. temperaturecooled
4. filtrationthe solid product collected by filtration
5. washThe solid was washed with ethyl acetate
6. customdried under reduced pressure