申请人:Pfizer inc.
公开号:US20040058922A1
公开(公告)日:2004-03-25
A compound of the formula
1
wherein R
1
, R
2
and R
3
are as defined above, which are inhibitors of the enzyme protein tyrosine kinases such as Janus Kinase 3 and as such are useful therapy as immunosuppressive agents for organ transplants, lupus, multiple sclerosis, rheumatoid arthritis, psoriasis, Type I diabetes and complications from diabetes, cancer, asthma, atopic dermatitis, autoimmune thyroid disorders, ulcerative colitis, Crohn's disease, Alzheimer's disease, Leukemia and other autoimmune diseases.
该化合物的化学式为1,其中R1、R2和R3如上所定义,是蛋白酪氨酸激酶的抑制剂,例如Janus Kinase 3,因此可作为免疫抑制剂用于器官移植、狼疮、多发性硬化症、类风湿性关节炎、银屑病、1型糖尿病及糖尿病并发症、癌症、哮喘、特应性皮炎、自身免疫性甲状腺疾病、溃疡性结肠炎、克罗恩病、阿尔茨海默病、白血病和其他自身免疫性疾病的治疗。