反应详情

To a solution of morpholine (9.00 g, 103 mmol) in 400 mL ethanol was added N-(3-Dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride (10.0 g, 52.2 mmol), 1-hydroxybenzotriazole (7.00 g, 51.8 mmol), and 6-aminonicotinic acid (6.00 g, 43.4 mmol). After stirring for 18 hours, the resulting solid was filtered. This was triturated with a mixture of 100 mL methanol and 100 mL dichloromethane to yield (6-Amino-pyridin-3-yl)-morpholin-4-yl-methanone (3.08 g, 14.9 mmol). MS (ESI) 208.1 (M+H)+.

1. filtrationthe resulting solid was filtered
2. customThis was triturated with a mixture of 100 mL methanol and 100 mL dichloromethane