反应详情

14 g of ethyl acrylate in 45 ml of ethanol are added dropwise to 23.8 g of the amine obtained in Stage C of Example 1 dissolved in 45 ml of ethanol. The mixture is stirred at room temperature for 3 hours, evaporated, and the residual oil is distilled in a Kugelrohr (bulb tube) at 120° C. and 0.09 mg Hg.

1. customevaporated
2. distillationthe residual oil is distilled in a Kugelrohr (bulb tube) at 120° C.