反应详情

温度

40 °C

5-Chloropyrimidin-2-one hydrochloride (3.8 mmol) and triethylamine (7.6 mmol) was stirred together in CH2Cl2 (30 ml) for 10 minutes before a solution of N-chloromethyl acetanilide (see Preparation 16) (3.8 mmol) in CH2Cl2 (5 ml) was added. The mixture was stirred at 40° C. for 2 hours before the solvent was distilled off and the residue washed with water and ether. Yield 0.3 g, (28%) M.p. 150°-155° C. (decomp) (CH2Cl2 / pet. ether) 1H NMR (CDCl3, δ): 1.90 (CH3), 5.60 (CH2), 6.9-7.4 (Ph), 8.18 and 8.42 (H-4, H-6, J3 Hz). IR (KBr) 1670-1680 cm-1 (CO).

1. additionwas added
2. distillationwas distilled off
3. washthe residue washed with water and ether