反应详情

The compound was prepared as described in Example 3 by adding 3,4-dihydroxycinnamaldehyde (32 mg, 0.2 mmol) to N-cyanoacetylurethane (32 mg, 0.2 mmol). After refluxing for 1 h and recrystallization from ethanol-water an orange solid was obtained (54 mg, 90%). The product gave the following analytical data:

1. customThe compound was prepared
2. temperatureAfter refluxing for 1 h
3. customrecrystallization from ethanol-water an orange solid
4. customwas obtained (54 mg, 90%)
5. customThe product gave the following analytical data