4- (4-CYANOPHENYL) -1- (3-TRIFLUOROMETHYLPHENYL) -3,4, 6, 7-TETRAHYDRO-1H-PYRROLO [3, 4- D] PYRIMIDINE-2, 5-DIONE DERIVATIVES AND THEIR USE AS HUMAN NEUTROPHIL ELASTASE INHIBITORS

摘要

Thirty six specific compounds having human neutrophil elastase inhibitory activity are disclosed, one of which has the structural formula (1). The compounds are useful inter alia for the treatment of inflammatory respiratory disease, and may be administered by inhalation.