反应详情

温度

5 °C

To a solution of 2-hydroxy-4-phenyl-3-(2-(2-phenylthiazol-4-yl)nicotinamido)butanoic acid (230 mg, 0.501 mmol) and cyclopropylamine (40 μL, 0.570 mmol) in dichloromethane (30 ml) 2-(1H-7-azabenzotriazol-1-yl)-1,1,3,3-tetramethyl uronium hexafluorophosphate (HATU) (230 mg, 0.605 mmol) and DIPEA (100 μL, 0.605 mmol) were added at 5° C. The mixture was stirred for 1 hour at 5° C. and then for 5 hours at room temperature. The mixture was concentrated under reduced pressure, 40 ml of water added, the precipitate formed filtered off with suction, washed with water and dried in vacuo to give 227 mg of a white amorphous solid;

1. waitfor 5 hours at room temperature
2. concentrationThe mixture was concentrated under reduced pressure, 40 ml of water
3. additionadded
4. customthe precipitate formed
5. filtrationfiltered off with suction
6. washwashed with water
7. customdried in vacuo