反应详情

Stir 7.0 g of 2,4-dinitrotoluene and 9.65 g of 2,2-diethoxy-1-methylpyrrolidine for 5 hours at 40° in 50 ml of benzene. Allow the resulting reaction mixture to cool to ambient temperature. Filter off the precipitate and wash it with a little benzene and hexane to obtain 3.5 g of the title compound (m.p. 188° to 190°) in the form of black-violet crystals.

1. customthe resulting reaction mixture
2. filtrationFilter off the precipitate
3. washwash it with a little benzene and hexane