Abstract: Described are pyridinylamines and pharmaceutically acceptable salts thereof, the use of these pyridinylamines for the prophylaxis and/or treatment of various diseases such as infectious diseases, including opportunistic infections, prion diseases immunological diseases, autoimmune diseases, bipolar and clinical disorders, cardiovascular diseases, cell proliferative diseases, diabetes, inflammation, transplant rejections, erectile dysfunction, neurodegenerative diseases and stroke, as well as pharmaceutical compositions containing at least one pyridinylamine and/or pharmaceutically acceptable salts thereof. Furthermore, reaction procedures for the synthesis of the pyridinylamines are disclosed.