compound, drug, antigen presenting inhibitor, immunosuppressive agent, lymphocyte proliferation, and cell growth and maturation inhibitors, therapeutic or preventative agent, immune tolerance inducer, and anti-cancer drug

摘要

"COMPOUND, MEDICINAL PRODUCT, ANTIGEN PRESENTATION INHIBITOR, IMMUNOSUPRESSOR AGENT, LYMPHOCYTE PROLIFERATION INHIBITORS, AND CELL GROWTH AND MATURATION, THERAPEUTIC OR PREVENTIVE AGENT, TOLERARY ANGOL, THERAPEUTIC ANTIGER, Unpublished ¢ 1,2,4! Triazolo ¢ 1,5-α! Pyrimidine derivative of the general formula (1): (1) prodrug thereof or a pharmaceutically acceptable salt thereof, which exhibits antigen presenting inhibitory activity and It is useful as a preventive and / or therapeutic agent for immune rejection and / or graft versus host transplantation reaction in organ / bone marrow transplantation, autoimmune disease, allergic disease and / or inflammatory disease and also useful as an anti-cancer drug or as a an immune tolerance inducer for transplanted organ / transplanted bone marrow.