2-Amino-4-chlorobenzonitrile may be used in the preparation of the following:6-chloro-4-(1-diethylamino-4-pentylamino)-2-(p-methoxyphenyl)-quinazoline dihydrochloride7-chloro-4-(1-diethylamino-4-pentylamino)-2-(p-methoxyphenyl)-quinazoline dihydrochloride4,7-dichloro-2-(2-methylprop-1-enyl)-6-nitroquinazoline6-chlorotacrineN-(2-chloro-5-cyanophenyl)-4,4,4-trifluorobutanamide
