Ammonia → 3-Anilino-7-(1h-indol-5-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-2-carboxamide

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A mixture of Example 37 (200 mg) and liquid ammonia (5 mL) in ethoxyethanol (10 mL) was heated in a sealed vessel at 80° C. at 400 p.s.i. for 48 h. The solvent was removed in vacuo and purification by column chromatography (silica, 10% to 40% EtOAc in DCM) gave the title compound (42 mg). δH (CDCl3) 9.00 (1H, br s), 8.65 (1H, br s), 7.57 (1H, s), 7.37 (1H, d, J 8.5 Hz), 7.30-7.24 (2H, m), 7.20-7.18 (2H, m), 7.16 (1H, d, J 9.7 Hz), 7.18-6.98 (3H, m), 6.52 (1H, br s), 6.33 (1H, d, J 9.7 Hz), 5.20 (2H, br s). LCMS (ES+) RT 3.77 minutes, 430 (M+H)+. LCMS (ES+) RT 2.93 minutes, 401 (M+H)+.

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