Reaktion #2275677
ord-dcaee025a52d4eec942964c83baccecf
Reaktionsgleichung
Reagenzien
Lösungsmittel
Reaktionsbedingungen
Aufarbeitung
- 1TemperaturThe mixture is heated
- 2Temperaturat reflux for 4 hours
- 3workup.ADDITIONThe mixture is poured onto ice-cold water
- 4Extraktionextraction
- 5Sonstigethe extract is dried
- 6Sonstigethe solvent is evaporated
- 7SonstigeThe beige precipitate obtained
- 8Sonstigeis recrystallized from a mixture of isopropyl ether and ethanol (ratio 10:1)
Vorschrift
tert-Octylamine (51.7 g, 0.4 mol) and triethyamine (61.2 ml, 0.44 mol) are introduced into 260 ml of dichloroethane in a reactor. The mixture is heated to 70° C. and then 4-nitrobenzoyl chloride (77.9 g, 0.42 mol) is added in small portions over 50 minutes. The mixture is heated at reflux for 4 hours. The mixture is poured onto ice-cold water; extraction is carried out with dichloromethane, the extract is dried and the solvent is evaporated. The beige precipitate obtained is recrystallized from a mixture of isopropyl ether and ethanol (ratio 10:1). After drying under vacuum, 84.6 g (Yield 76%) of 4-nitro-N-(tert-octyl)benzamide are obtained in the form of an off-white powder which is used as is in the following stage.