The present invention relates to compounds of formula (I), or a pharmaceutically acceptable salt thereof, wherein: W and X are each independently oxygen or sulfur; A is nitrogen, CH, C-CN, or (C- (CN1-3aliphatic) ; and R1and R2 are taken together to form a ring. These compounds are useful as inhibitors or JAK kinases, particularly for the treatment of an autoimmune disease, a neurodegenerative disorder, of a hematologic malignancy.
本发明涉及式(I)化合物或其药学上可接受的盐,其中:W和X各自独立地为
氧或
硫;A为
氮、CH、C-CN或(C-(CN1-3
脂肪族);R1和R2共同形成一个环。这些化合物可用作 JAK 激酶的
抑制剂,特别是用于治疗自身免疫性疾病、神经退行性疾病和血液恶性肿瘤。