[CH3:1][N:2]([CH3:7])[CH2:3][CH2:4][CH2:5][NH2:6].Cl[C:9]1[CH:19]=[CH:18][C:12]([C:13]([N:15]([CH3:17])[CH3:16])=[O:14])=[CH:11][C:10]=1[N+:20]([O-:22])=[O:21]>C(OCC)(=O)C>[CH3:1][N:2]([CH3:7])[CH2:3][CH2:4][CH2:5][NH:6][C:9]1[CH:19]=[CH:18][C:12]([C:13]([N:15]([CH3:17])[CH3:16])=[O:14])=[CH:11][C:10]=1[N+:20]([O-:22])=[O:21]N,N-Dimethy-1,3-propanediamine (1.95 g) was added to 4-chloro-N,N-dimethyl-3-nitrobenzamide (2.18 g) and stirred for 2 hours at 90° C. The reaction mixture, with ethyl acetate added thereto, was washed with 1N sodium hydroxide aqueous solution, water and saturated brine successively, dried over sodium sulfate anhydride, and concentrated, thereby yielding the entitled compound (2.83 g) as yellowish orange oil.
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