反应详情

温度

25 °C

60.0 g (0.36 mol) of tetraethylammonium chloride and 20.3 g (0.2 mol) of triethylamine are added to a suspension of 42.6 g (0.18 mol) of 2,9-diacetylguanine in 450 ml of acetonitrile. 165.3 g (1.08 mol) of phosphorus oxychloride are then added at a temperature of the reaction mixture of 0° C. to 5° C. The mixture is stirred at 25° C. for 20 hours and then worked up as in Example 1. 30.9 g of 2-acetamido-6-chloropurine are obtained.