反应详情

7.3 g 1,4-difluoro-2-nitrobenzene are slowly added to a 30 ml 40% aqueous methylamine solution while cooling with ice and the reaction mixture is stirred for 1 hour at ambient temperature. The precipitated product is suction filtered and recrystallised aus water and ethanol umkristallisiert. 6.3 g product are obtained in the form of a solid. M.p.=74-76° C.

1. temperaturewhile cooling with ice
2. filtrationfiltered
3. customrecrystallised aus water and ethanol umkristallisiert