Cl[C:2]1[C:7]([N+:8]([O-:10])=[O:9])=[CH:6][C:5]([CH3:11])=[C:4]([CH3:12])[N:3]=1.[NH2:13][C:14]1[CH:19]=[CH:18][C:17]([CH2:20][CH2:21][OH:22])=[CH:16][CH:15]=1.N1C(C)=CC=CC=1C>C1(C)C=CC=CC=1.C(OCC)(=O)C>[CH3:11][C:5]1[CH:6]=[C:7]([N+:8]([O-:10])=[O:9])[C:2]([NH:13][C:14]2[CH:19]=[CH:18][C:17]([CH2:20][CH2:21][OH:22])=[CH:16][CH:15]=2)=[N:3][C:4]=1[CH3:12]A mixture of 2-chloro-5,6-dimethyl-3-nitropyridine (Godard, A.; Rocca, P.; Pomel, V.; et al. J. Organomet. Chem., 1996, 517, 25.; Rocca, P.; Marsais, F.; Godard, A.; et al. Tetrahedron Lett., 1993, 34, 2937., 3.3 g, 17.5 mmol), 4-aminophenylethyl alcohol (3.6 g, 26.3 mmol) and 2,6-lutidine (3.7 mL) in toluene (80 mL) was stirred under reflux temperature for 19 h. The mixture was diluted with ethyl acetate (100 mL) and washed with 1N aqueous NaOH (50 mL) and brine (50 mL). The organic layer was dried (Na2SO4), and concentrated. Purification by flash column chromatography on silica gel eluting with hexane/ethyl acetate (1:1) to afford 1.8 g (37%) of the title compound as orange solids: 1H-NMR (CDCl3) δ 8.24 (1H, br.s), 7.68 (2H, d, J=8.6 Hz), 7.24 (2H, d, J=8.6 Hz), 3.88 (2H, dt, J=6.1, 7.6 Hz), 2.88 (2H, t, J=7.6 Hz), 2.49 (3H, s), 2.26 (3H, s), 1.43 (1H, t, J=6.1 Hz).
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