反应详情

A mixture of 4 g of 3-amino-pyridine-4-carboxylic acid in 15 mL of formamide was heated in an oil bath to 160°-180° C. After one hour the mixture was allowed to cool. Then, the mixture was slurried in 25 mL of water and filtered. The product was recrystallized from water. Yield 3.3 g. M.P. 317° C. (with sublimation).

1. temperaturewas heated in an oil bath to 160°-180° C
2. temperatureto cool
3. filtrationfiltered
4. customThe product was recrystallized from water