Disclosed are compounds of Formula (I) or salts thereof, wherein: HET is a heteroaryl selected from imidazo[1,2-b]pyridazinyl and pyrazolo[1,5-a]pyrimidinyl, wherein said heteroaryl is attached to the pyridinyl group in the compound of Formula (I) by a carbon ring atom in the heteroaryl and wherein said heteroaryl is substituted with zero to 2 Rb; A is pyrazolyl, imidazolyl, or triazolyl, each substituted with zero or 1 Ra; and R3, Ra, and Rb are define herein. Also disclosed are methods of using such compounds as modulators of IRAK4, and pharmaceutical compositions comprising such compounds. These compounds are useful in treating, preventing, or slowing inflammatory and autoimmune diseases, or in the treatment of cancer.
公开了式(I)化合物或其盐类,其中:HET是选自
咪唑并[1,2-b]
哒嗪基和
吡唑并[1,5-a]
嘧啶基的杂芳基,其中所述杂芳基通过杂芳基中的碳环原子连接到式(I)化合物中的
吡啶基上,且所述杂芳基被0至2个Rb取代;A是
吡唑基、
咪唑基或三唑基,各自被0或1个RA取代;且R3、RA和Rb在此定义。还公开了使用此类化合物作为 IRAK4 调节剂的方法,以及包含此类化合物的药物组合物。这些化合物可用于治疗、预防或减缓炎症性和自身免疫性疾病,或治疗癌症。