反应详情

The compound was prepared as described in Example 3 by adding 3,5-dimethoxy-4-hydroxycinnamaldehyde (0.15 g, 0.72 mmol) to cyanoacetic acid (0.061 g, 0.72 mmol). After refluxing for 1 h and recrystallization from ethanol a yellow solid was obtained (0.15 g, 75%). The product gave the following analytical data:

1. customThe compound was prepared
2. temperatureAfter refluxing for 1 h
3. customrecrystallization from ethanol a yellow solid
4. customwas obtained (0.15 g, 75%)
5. customThe product gave the following analytical data