反応 #6505

反応方程式

ethylenediamine

isocyanate

N-methylpyrrolidone

→

ethylenediurea

反応条件

後処理

1. 1
   その他prepared
2. 2
   温度the reaction mixture was heated
3. 3
   温度to reflux for one hour
4. 4
   その他the solvent was evaporated
5. 5
   その他the residue was recrystallized from water

実験手順

1.88 g of ethylenediamine (0.031 mol) were added dropwise at room temperature with stirring to 100 ml of a solution of 10 g of triethylammonum isocyanate (0.069 mol) in 100 ml of N-methylpyrrolidone, prepared according to the procedure described in example 1. After stirring at room temperature for 24 hours, the reaction mixture was heated to reflux for one hour, the solvent was evaporated and the residue was recrystallized from water. 3.4 g, i.e. 75% of theory, of ethylenediurea were obtained in this way.

出典