反应详情

0.12 g (0.69 mmol) 4,6-dichloro-nicotinonitrile, 0.15 g (0.91 mmol) 6-hydroxy-2-benzoxazolinone and 90 mg (0.80 mmol) potassium-tert.-butoxide in 0.8 mL NMP were stirred for 2 h at 70° C. The reaction mixture was combined with ice water. The precipitate formed was suction filtered and dried.

1. customThe precipitate formed
2. filtrationfiltered
3. customdried