C([NH:4][CH:5]([C:11]1[CH:16]=[CH:15][C:14]([N+:17]([O-:19])=[O:18])=[CH:13][CH:12]=1)[CH2:6][NH:7]C(=O)C)(=O)C.[ClH:20]>C(O)(=O)C>[ClH:20].[ClH:20].[N+:17]([C:14]1[CH:13]=[CH:12][C:11]([CH:5]([NH2:4])[CH2:6][NH2:7])=[CH:16][CH:15]=1)([O-:19])=[O:18]A solution of 4 g (0.015 mol) of N,N'-Diacetyl-1-(p-Nitrophenyl)-ethylenediamine in a mixture of 20 ml glacial acetic acid and 30 ml conc. HCl was heated at reflux for 24 hr and then cooled in ice. Upon filtration, 2.5 g (66%) of the crystalline 1-(p-Nitrophenyl)-ethylenediamine Dihydrochloride was collected. Anal. (C8H13N3O2Cl2) C, H, N were within 0.4% of theoretical.
Loading…