反应详情

To a stirred solution of 249.4 g (1 mole) of 4-(N-4-hydroxybutyl-N-butylamino)benzaldehyde in dichloromethane are added 153.1 g (1.5 moles) of acetic anhydride, 151.8 g (1.5 moles) of triethylamine, and 8.5 g (7 mole %) of 4-N,N-dimethylaminopyridine. The reaction mixture is stirred at room temperature for 16 hours. The product solution is washed with cold 2N HCl and then with filtered through cotton, and evaporated to dryness.

1. washThe product solution is washed with cold 2N HCl
2. filtrationwith filtered through cotton
3. customevaporated to dryness