Patent ID: 7205309

Claim:
A compound of formula I wherein R 1 is —O—R 4 or —N(R 5 )(R 6 ); R 2 is alkyl or amino; R 3 is hydrogen, alkyl or halogen; R 4 is hydrogen, aralkyl, substituted aralkyl, heterocyclylalkyl, substituted heterocyclylalkyl or cycloalkylalkyl; R 5 and R 6 are independently selected from hydrogen, alkyl, cycloalkylalkyl, aryl, substituted aryl, aralkyl, substituted aralkyl, heterocyclyl, substituted heterocyclyl, heterocyclylcarbonyl or substituted heterocyclylcarbonyl; A is a 5 to 7-membered saturated unsubstituted or substituted heterocyclic ring comprising the nitrogen atom which is attached to the quinazoline ring and optionally a second heteroatom which is selected from oxygen, sulfur or nitrogen and, wherein the ring A substituted heterocyclic ring has one or more substituents independently selected from halogen, alkyl, alkoxy, haloalkoxy, cycloalkylalkoxy, hydroxy, amino, acetylamino, cyano, hydroxyalkyl, alkoxyalkyl, haloalkoxyalkyl and cycloalkylalkoxyalkyl; and pharmaceutically acceptable salts and esters thereof.