[Cl:1][C:2]1[CH:3]=[C:4]([OH:8])[CH:5]=[CH:6][CH:7]=1.Br[CH2:10][C:11]([NH2:13])=[O:12].C([O-])([O-])=O.[K+].[K+]>CC(C)=O>[Cl:1][C:2]1[CH:3]=[C:4]([CH:5]=[CH:6][CH:7]=1)[O:8][CH2:10][C:11]([NH2:13])=[O:12]A mixture of 3-chlorophenol (2.57 g, 20.0 mmol), 2-bromoacetamide (2.76 g, 20.0 mmol) and K2CO3 (5.53 g, 40.0 mmol) in acetone (40 mL) was stirred at 70° C. overnight. The mixture was then cooled to rt and filtered and the filtrate was concentrated in vacuo. The residue was purified by a silica gel column chromatography (PE/EtOAc (V/V)=1:1) to give the title compound as a white solid (3.22 g, 87%).
Wird geladen…