The present invention describes compounds of formula (I):
1
and pharmaceutically acceptable salts thereof, wherein R
1
, R
2
, R
3
, R
4
and n are as defined above. Compounds of formula (I) are protein kinase inhibitors and are useful in the treatment of proliferative diseases, for example, cancer, inflammation and arthritis. They may also be useful in the treatment of Alzheimer's disease and cardiovascular disease.
本发明描述了式(I)的化合物及其药学可接受的盐,其中R1、R2、R3、R4和n如上所定义。式(I)的化合物是蛋白激酶
抑制剂,可用于治疗增殖性疾病,例如癌症、炎症和关节炎。它们也可能对治疗阿尔茨海默病和心血管疾病有用。