Diethyl Oxalate → Ethyl 6-chloro-4-oxo-3,4-dihydroquinazoline-2-carboxylate

Beteiligte Stoffe

Reaktionsschritte

2-Amino-5-chlorobenzamide (2.387 g) and diethyl oxalate were stirred at 175° C. for 6 hr. The mixture was allowed to cool, and the obtained crude crystals were washed with hot ethanol to give the title compound (2.051 g, 58%).

Herkunft & Nachweise