Substituerede piperidindihydrothienopyrimidiner

摘要

Substituted piperidino-dihydrothienopyrimidine compounds (I) and their salts, are new. Substituted piperidino-dihydrothienopyrimidine compounds of formula (I) and their salts, are new. Either R 1>H or 1-6C alkyl; and R 2>H, 1-10C alkyl or 2-6C alkenyl; or NR 1>R 2>heterocyclic four to seven membered ring; either R 3>e.g. 6-10C-aryl; and R 4>e.g. H, CN, OH or CF 3; or R 3>R 4>a mono- or bicyclic, unsaturated or or partially saturated heterocycle; and X : SO or SO 2. Full Definitions are given in the DEFINITIONS (Full Definitions) Field. [Image] - ACTIVITY : Respiratory-Gen.; Gastrointestinal-Gen.; Antiinflammatory; Ophthalmological; Dermatological; Cytostatic; CNS-Gen.; Antiasthmatic; Antiulcer; Gastrointestinal-Gen.; Antidepressant; Neuroleptic; Tranquilizer; Neuroprotective; Nootropic; Antiparkinsonian; Analgesic; Vulnerary; Cerebroprotective. - MECHANISM OF ACTION : Phosphodiesterase-4 inhibitor. The ability of (I) to inhibit phosphodiesterase-4 was tested by using scintillation proximity assays (GE healthcare, number TRKQ7090). The result showed that (R)-2-{2-[4-(4-chloro-phenyl)-piperidin-1-yl]-5-oxo-6,7-dihydro-5H-5- thieno[3,2-d]pyrimidin-4-ylamino}-3-methyl-butan-1-ol (I) at a concentration of 1 mu m exhibited a percentage inhibition of 93.