To provide a novel JAK3 inhibitor that is useful as a preventive and/or therapeutic agent for rejection and graft versus host disease (GvHD) in organ transplantation, rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, Sjögren syndrome, Behcet's disease, type I diabetes mellitus, autoimmune thyroiditis, idiopathic thrombocytopenic purpura, ulcerative colitis, Crohn's disease, asthma, allergic rhinitis, atopic dermatitis, contact dermatitis, urticaria, eczema, psoriasis, allergic conjunctivitis, uveitis, cancer, leukemia and the like. The pyridine-3-carboxyamide derivative represented by the general formula (1):
or its salt or a solvate thereof.
提供一种新型的JAK3
抑制剂,可用作器官移植、类风湿性关节炎、多发性硬化症、系统性红斑狼疮、干燥综合征、Behcet病、1型糖尿病、自身免疫性甲状腺炎、原发性血小板减少性紫癜、溃疡性结肠炎、克罗恩病、哮喘、过敏性鼻炎、特应性皮炎、接触性皮炎、荨麻疹、湿疹、
银屑病、过敏性结膜炎、葡萄膜炎、癌症、白血病等预防和/或治疗抗排异和移植物抗宿主病(Gv
HD)的药物。该药物为一种以
吡啶-3-羧
酰胺衍
生物为代表的化合物,其通式为(1),或其盐或溶剂化合物。