HCID 54708305, compound → HCID 54710266, compound

Participants

Reaction Steps

To a stirred solution of 3-(4-chlorophenyl)-4-hydroxy-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile (0.17 g, 0.55 mmol) in AcOH (6 mL) was added pyridine hydrobromide perbromide (0.18 g, 0.6 mmol) in a single portion at room temperature. The reaction was stirred at room temperature for 1 h, diluted with water (25 mL). The resultant solid was filtered and dried to give the title compound. MS (ESI) m/e 380.79 (M−H)+; 1H NMR (300 MHz, DMSO-d6): ppm 7.45 (d, 2H), 7.33 (d, 2H).

Provenance & Evidence