Diisopropylethylamine → N-({4-chloro-3-[(3-chloro-5-cyanophenyl)oxy]phenyl}methyl)-6-(methyloxy)-1H-indole-3-carboxamide

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N-({4-Chloro-3-[(3-chloro-5-cyanophenyl)oxy]phenyl}methyl)-6-(methyloxy)-1H-indole-3-carboxamide was prepared in a similar manner as described herein from 3-{[5-(aminomethyl)-2-chlorophenyl]oxy}-5-chlorobenzonitrile (0.05 g, 0.17 mmol), 6-(methyloxy)-1H-indole-3-carboxylic acid, (0.035 g, 0.18 mmol), HATU (0.1 g, 0.25 mmol), DIPEA (0.05 mL, 0.25 mmol), acetonitrile (3 mL) and DMF (1 mL). The crude material was purified by Reverse-Phase HPLC (water/acetonitrile with 0.1% TFA). The desired fractions were neutralized and extracted with EtOAc. The organic extracts were combined, dried over Na2SO4, filtered and evaporated to afford the title compound (0.06 g, 75%) as a white solid. 1H NMR (400 MHz, DMSO-d6): δ ppm 11.33 (br. s., 1H), 8.39 (s, 1H), 7.93 (d, 1H), 7.86 (d, 1H), 7.77 (d, 1H), 7.58 (d, 1H), 7.43 (dd, 1H), 7.34 (t, 1H), 7.27 (dd, 1H), 7.22 (d, 1H), 6.88 (d, 1H), 6.71 (dd, 1H), 4.43 (d, 2H), 3.74 (s, 3H). MS: m/z 466.0 (M+1).

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