Novel [1,2,4]triazolo[1,5-a]pyrimidine derivative of the general formula (1): (1) its prodrug or a pharmaceutically acceptable salt thereof, which exhibits an antigen presentation inhibiting activity and is useful as a preventive and/or therapeutic agent for immunological rejection and/or graft versus host reaction in organ/bone marrow transplant, autoimmune disease, allergic disease and/or inflammatory disease and also useful as an anticancer drug or as an immunological tolerance inducer for transplanted organ/transplanted bone marrow.
该通用式为(1)的新型[1,2,4]三唑并[1,5-a]
嘧啶衍
生物(1)及其前药或其药学上可接受的盐,表现出抗原呈递抑制活性,可用作器官/骨髓移植的预防和/或治疗剂,用于免疫排斥和/或移植物抗宿主反应,自身免疫性疾病,过敏性疾病和/或炎症性疾病,也可用作抗癌药物或移植器官/移植骨髓的免疫耐受诱导剂。