The invention relates to amino alcohol-substituted arylthienopyrimidinones having a formula Iand their derivatives, and their physiologically tolerated salts and physiologically functional derivatives, their preparation, medicaments comprising at least one amino alcohol-substituted arylthienopyrimidinone of the invention or its derivative, and the use of the amino alcohol-substituted arylthienopyrimidinones of the invention and their derivatives as MCH antagonists.
