反应详情

温度

110 °C

After adding 6.25 ml of the mixture of formic acid and triethylamine prepared as described in Example 1 to 15 ml of dimethylformamide, 3.60 g (0.025 mol) of Meldrum's acid and 4.15 g (0.025 mol) of veratraldehyde were added to the above mixture, which was then heated to 110° C. during 1 hour and reacted at the same temperature for 3 hours. The product was separated from the reaction mixture by the method as described in Example 1.

1. customprepared
2. additionwere added to the above mixture, which
3. customreacted at the same temperature for 3 hours
4. customThe product was separated from the reaction mixture by the method