sgt-263

Reaction scheme: Synthesis: 1. A solution of 1H-pyrrolo[2, 3-b]pyridine-3-carboxylic acid (0.49 g, 3 mmol), oxalyl chloride (0.6 mL, 7.2 mmol), and DMF (1 mL) in dichloromethane (20 mL) was stirred for 20 min. 2. The mixture was evaporated and then redissolved in methanol (20 mL) and stirred...