反应详情

Using an analogous procedure to that described in Example 1 except that the reaction mixture was heated to reflux for 16 hours, 4-amino-2-chlorophenyl phenyl ether was reacted with 4-chloro-6,7-dimethoxyquinazoline hydrochloride to give 4-(3-chloro-4-phenoxyanilino)-6,7-dimethoxyquinazoline hydrochloride salt in 56% Yield, m.p. 260°-265° C.;

1. temperaturewas heated
2. temperatureto reflux for 16 hours