反应详情

A stirred solution of 2-cyano-4-methyl-5-nitropyridine (2.48 g, 15.2 mmol) in DMF (10 mL) and DMF-dimethylacetal (2.7 mL, 20 mmol) was heated to 90° C. for two h. The solution was cooled and evaporated in vacuo to give the title compound as a deep red solid:

1. temperatureThe solution was cooled
2. customevaporated in vacuo