反应详情

6,6'-Dimethyl-2,2'-bipyridine-N-oxide (1.50 g, 0.00749 moles) was dissolved in concentrated sulfuric acid (8.0 ml) and fuming nitric acid (6.0 ml) and the mixture was heated at 100° C. for four hours. The solution was poured slowly into ice-water and the pH was adjusted to 5.5 with 10% sodium hydroxide. The product was filtered and dried.

1. filtrationThe product was filtered
2. customdried