反应详情

(R)-1-(4-(1-(4-(Trifluoromethoxy)phenyl)-1H-1,2,4-triazol-3-yl)phenyl)propan-2-amine (2S,3S)-2,3-dihydroxysuccinate (CB59) (0.35 g, 0.68 mmol) was slurried in methanol (20 mL) and SCX silica gel (2 g). The solution was stirred for 3 hours, filtered, and washed with methanol (20 mL). The compound was eluted from the SCX silica gel using ammonium hydroxide (5% in MeOH, 25 mL). The filtrate was concentrated providing the title compound as a white solid (0.22 g, 87%): mp 84-88° C.; 1H NMR (400 MHz, CDCl3) d 8.56 (s, 1H), 8.13 (d, J=8.2 Hz, 2H), 7.80 (d, J=9.0 Hz, 2H), 7.44 7.35 (m, 2H), 7.31 (d, J=8.1 Hz, 2H), 3.29 3.15 (m, 1H), 2.78 (dd, J=13.2, 5.4 Hz, 1H), 2.60 (dd, J=13.2, 8.0 Hz, 1H), 1.49 (s, 2H), 1.15 (d, J=6.3 Hz, 3H).

1. filtrationfiltered
2. washwashed with methanol (20 mL)
3. washThe compound was eluted from the SCX silica gel
4. concentrationThe filtrate was concentrated