Reacción #465941

Ecuación de reacción

triphenylamine

DMF

phosphorus oxychloride

→

4-(N,N-diphenylamino)benzaldehyde

Rendimiento 81.0%

Disolventes

water

Condiciones de reacción

Tratamiento posterior

1. 1
   Otroreaction for 5 hours
2. 2
   OtroThe reaction solution obtained
3. 3
   workup.STIRRINGby stirring for 1 hour
4. 4
   OtroThereafter, the precipitate formed
5. 5
   Filtraciónwas collected by filtration
6. 6
   Lavadowashed with a mixture of ethanol/water (1:1)

Procedimiento

Into a three-necked flask, 101.4 g of triphenylamine and 35.5 ml of DMF (dimethylformamide) were placed, and 84.4 ml of phosphorus oxychloride was added dropwise thereto with stirring while cooling with ice water, and then the temperature was raised to 95° C. to carry out reaction for 5 hours. The reaction solution obtained was poured into 4 liters of warm water, followed by stirring for 1 hour. Thereafter, the precipitate formed was collected by filtration, and washed with a mixture of ethanol/water (1:1) to obtain 4-(N,N-diphenylamino)benzaldehyde in an amount of 91.5 g (yield: 81.0%).

Fuente