反应详情

温度

60 °C

To a solution of 0.18 g (1.5 mmol) of ethyl cyanoacetate in a minimum quantity of ethanol are added 0.36 g (1 mmol) of the product of Example 1 and then two drops of piperidine. The mixture is heated at 60° C. until a precipitate appears. The precipitate obtained is filtered off, washed with ethanol and dried.

1. customThe precipitate obtained
2. filtrationis filtered off
3. washwashed with ethanol
4. customdried