[Cl:1][C:2]1[CH:3]=[C:4]([CH:7]=[CH:8][C:9]=1[Cl:10])[CH:5]=[O:6].Cl[CH2:12][C:13]([O:15][CH3:16])=[O:14].C[O-].[Na+].CO>CO>[Cl:1][C:2]1[CH:3]=[C:4]([CH:5]2[O:6][CH:12]2[C:13]([O:15][CH3:16])=[O:14])[CH:7]=[CH:8][C:9]=1[Cl:10]To a solution of 3,4-dichlorobenzaldehyde (51.0 g) and methyl chloroacetate (51 mL) in methanol (500 mL) was added 28% sodium methoxide/methanol (68 mL) solution under ice-cooling, and the mixture was stirred at room temperature overnight. The resultant product was collected by filtration, and washed with distilled water to give the title compound (90.9 g).
Wird geladen…