反应详情

A mixture of 5.00 g (21.5 mmol) 4-chloro-6-nitro-quinoline-3-carbonitrile, 200 ml ethanol, and 2.75 ml (25.7 mmol) 3-toluidine was heated to reflux for 4½ hours. Cooled and added a saturated sodium bicarbonate until pH was basic. Stripped solvents and azeotroped with ethanol. Slurried with hexane, collected, and air dried. Washed with water and dried in vacuo. Boiled in ethyl acetate, stirred with Darco and filtered. Stripped solvent and dried in vacuo to give 4.82 g of yellow-orange solid: mass spectrum (electrospray m/e): M+H=305.2.

1. temperaturewas heated
2. temperatureto reflux for 4½ hours
3. temperatureCooled
4. customStripped solvents and azeotroped with ethanol
5. customSlurried with hexane, collected
6. customair dried
7. washWashed with water
8. customdried in vacuo
9. filtrationfiltered
10. customStripped solvent and dried in vacuo