反应详情

18.69 g (283 mmol) of malononitrile and 41.94 g (283 mmol) of triethylorthobutyrate are heated for 4 hours at 150° C. The reaction mixture is cooled to room temperature and, after the ethanol has been removed, distilled in vacuo. B.p.: 85° C. (3mbar).

1. customafter the ethanol has been removed
2. distillationdistilled in vacuo