Formula I (Ia and Ib) compounds wherein (i) X1 is N and X2 is S, (ii) X1 is CR7 and X2 is S, (iii) X1 is N and X2 is NR2, (iv) X1 is CR7 and X2 is O, or (v) X1 is CR7 and X2 is NR2, including stereoisomers, tautomers, metabolites and pharmaceutically acceptable salts thereof, are useful for inhibiting the delta isoform of PI3K, and for treating disorders mediated by lipid kinases such as inflammation, immunological, and cancer. Methods of using compounds of Formula I for in vitro, in situ, and in vivo diagnosis, prevention or treatment of such disorders in mammalian cells, or associated pathological conditions, are disclosed.
公式I(Ia和Ib)化合物,其中(i)X1为N且X2为S,(ii)X1为CR7且X2为S,(iii)X1为N且X2为NR2,(iv)X1为CR7且X2为O,或(v)X1为CR7且X2为NR2,包括立体异构体,互变异构体,代谢物和药学上可接受的盐,可用于抑制
PI3K的δ亚型,并用于治疗由脂质激酶介导的疾病,例如炎症,免疫和癌症。公开了使用公式I化合物的方法,用于哺乳动物细胞中的体外,体内诊断,预防或治疗这种疾病或相关病理条件。