反应详情

5-Chloro-2-methyl-nicotinic acid (4.15 g, 24.2 mmol) was placed in a flask with DCM (100 ml) and oxalyl chloride (3.68 g, 29 mmol). DMF (200 μl) was added and the reaction mixture was stirred at RT for 1 hour (gas evolution). The mixture was filtered and the solvent was removed in vacuo to afford the title product which was used without further purification.

1. filtrationThe mixture was filtered
2. customthe solvent was removed in vacuo