反应详情

0.50 g (3.2 mmol) 2-chloroisonicotinic acid, 0.63 mg (3.3 mmol) 4,5-difluoroindoline-hydrochloride, 0.91 mL (6.5 mmol) TEA and 1.1 g (3.4 mmol) TBTU in 10 mL DMF were stirred overnight at RT. Then the reaction mixture was poured onto 200 mL of 15% potassium carbonate solution, the precipitate formed was suction filtered, washed with water and dried.

1. customthe precipitate formed
2. filtrationfiltered
3. washwashed with water
4. customdried