[CH3:1][C:2]1[C:8]([CH3:9])=[CH:7][CH:6]=[C:5]([CH3:10])[C:3]=1[NH2:4].Cl[CH2:12][CH:13]=[O:14].C(=O)([O-])[O-].[Na+].[Na+]>>[CH3:1][C:2]1[C:8]([CH3:9])=[CH:7][CH:6]=[C:5]([CH3:10])[C:3]=1[NH:4][CH2:12][CH:13]=[O:14]2,3,6-Trimethylaniline (0.3 mole), the dimethyl acetal of 2-chloroacetaldehyde (0.3 mole) and sodium carbonate (20 grams) are charged into a glass reaction vessel equipped with a mechanical stirrer, thermometer and reflux condenser. The reaction mixture is heated at about 150°C for a period of about 8 hours. After this time the mixture is filtered and the filtrate is distilled to yield the desired product the dimethyl acetal of 2-(2,3,6-trimethylanilino)acetaldehyde.
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