Hydrochloric Acid → HCID 22478250, Verbindung

Beteiligte Stoffe

Reaktionsschritte

A mixture of 4,7-dichloro-6-nitroquinazoline (24.4 g, 0.1 mol), 4-chloro-2-fluoroaniline and ethereal hydrogen chloride (100 ml of a 1M solution) in 2-propanol (600 ml) was heated at reflux for 1.5 hours. The mixture was allowed to cool and diluted with acetone. The solid product was collected by filtration, washed with acetone and dried to give 7-chloro-4-(4-chloro-2-fluoroanilino)-6nitroquinazoline hydrochloride (35.0 g, 90%) as a yellow powder.

Herkunft & Nachweise