反应详情

7.7 g (35 mmol) of 2-(N-ethoxycarbonyl-N-propargyl-aminomethyl)-pyrimidine are refluxed for 40 hours in 150 ml of xylene. The mixture is concentrated, and the residue is recrystallised from ligroin.

1. concentrationThe mixture is concentrated
2. customthe residue is recrystallised from ligroin