F[C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[CH:4][C:3]=1[CH3:11].[NH2:12][CH2:13][CH2:14][NH:15][CH2:16][CH2:17][OH:18].C([O-])([O-])=O.[K+].[K+].CN1CCCC1=O>O>[N+:8]([C:5]1[CH:6]=[CH:7][C:2]([NH:12][CH2:13][CH2:14][NH:15][CH2:16][CH2:17][OH:18])=[C:3]([CH3:11])[CH:4]=1)([O-:10])=[O:9]2 g of 4-fluoro-3-methyl nitrobenzene, 1.61 g of 2-(2-aminoethylamino)ethanol and 2.14 g of K2CO3 were added to a solution of 20 ml of N-methylpyrrolidinone. The reaction medium was heated at 60° C. for 7 hours and, after cooling to room temperature, was then poured into a water and ice mixture. The yellow precipitate formed was filtered off, reslurried in water and then dried over P2O5. 2.4 g of 2-[2-(4-nitro-2-methylphenylamino)ethylamino]ethanol (5) were obtained.
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