Abstract: The embodiments relate to derivatives of 9-alkyl-?-carboline, their production and pharmaceutical compositions containing these 9-alkyl-?-carboline derivatives. Further, the use of 9-alkyl-?-carboline derivatives and pharmaceutical compositions for the treatment and prevention of movement disorders, neurodegenerative diseases, Alzheimer's disease and Parkinson's disease is described. Additionally, these effects can be utilized for the cultivation of cells such as dopaminergic cells or stem cells which shall be engrafted for the treatment of Parkinson's disease.