反应详情

温度

200 °C

To 414 g (2 mol) of butyl ethyl(3-aminopropyl)phosphinate (produced as in Example 14) are added 155 g (2.5 mol) of ethylene glycol and 0.4 g of potassium titanyl oxalate and the mixture is stirred at 200° C. for 2 h. Gradual evacuation is applied to distill off volatiles, leaving 374 g (96% of theory) of 2-hydroxyethyl ethyl-(3-aminopropyl)phosphinate.

1. distillationto distill off volatiles