反应详情

温度

70 °C

To a 1 liter, 3 necked round bottomed flask equipped with a paddle stirrer, condenser, thermometer and heating source, were added 150 g (0.81 mole) of the 2,6-dimethylol-4-methoxyphenol, followed by 9 g (0.1 moles) of oxalic acid and 180 g (1.63 moles) of catechol. To this were added 400 g of water. The reaction mixture was stirred and heated to 70° C. Solution occurred when the temperature reached approximately 60° C. Then, the reaction mixture was heated to reflux and held at reflux for 4 hours. After 1 hour at reflux, the product began to separate.

1. customTo a 1 liter, 3 necked round bottomed flask equipped with a paddle stirrer, condenser
2. temperaturethermometer and heating source
3. customreached approximately 60° C
4. temperatureThen, the reaction mixture was heated
5. temperatureto reflux
6. temperatureat reflux for 4 hours
7. temperatureAfter 1 hour at reflux
8. customto separate