The invention relates to novel dihydrothienopyrimidines of formula (1) as wellas pharmaceutically acceptable salts, diastereomers, enantiomers, racemates,hydrates, or solvates thereof, which are suitable for the treatment of ailmentsor diseases of the respiratory tract, gastrointestinal ailments or diseases,inflammatory diseases of the joints, skin, or eyes, diseases of the peripheralor central nervous system, or cancer diseases. Also disclosed are pharmaceuticalcompositions containing the inventive compounds.