Quinazoline derivatives of formula (I) for use in the treatment of proliferative diseases such as cancer and in the preparation of medicaments for use in the treatment of proliferative diseases, and to processes for their preparation, as well as pharmaceutical compositions containing, them as active ingredient. X is O or NR 6 ;R 5 is aryl or heteroaryl optionally substituted by 1, 2 or 3 substituents independently selected from halo, hydroxy, cyano, nitro, amino,C 1-4 alkylamino, bis(C 1-4 alkyl)amino, C 1-4 alkyl, C 2-4 alkenyl,C 2-4 alkynyl, C 1-4 alkoxy, C(O)NHR 17 , NHC(0)R 18 and S(O) p R 19 where p is 0,1 or 2;The other substituents are as defined in claim 1.
公式(I)的
喹唑啉衍
生物用于治疗增生性疾病,如癌症,以及制备用于治疗增生性疾病的药物,并用于其制备的方法,以及含有它们作为活性成分的药物组合物。X为O或NR6;R5为芳基或杂环芳基,可选地由1、2或3个取代基独立选择的卤素、羟基、
氰基、硝基、
氨基、C1-4烷基
氨基、双(C1-4烷基)
氨基、C1-4烷基、C2-4
烯基、C2-4炔基、C1-4烷
氧基、C(O)NHR17、NHC(0)R18和S(O)pR19组成,其中p为0、1或2;其他取代基如权利要求1中所定义。