Condensed imidazole derivatives, process and intermediates for their preparation and pharmaceutical compositions containing them.
申请人:ISF SOCIETA PER AZIONI
公开号:EP0335483A3
公开(公告)日:1991-12-18
Compounds of structure (I)
in which, R¹ is hydrogen, C₁₋₄alkyl, CHR⁶CONHR⁷ or CHR⁶COOR⁷ in which R⁶ and R⁷ are each hydrogen or C₁₋₄alkyl; R² is hydrogen, C₁₋₅alkyl or a residue R² of an amino acid R² CH(NH₂)COOH; R³ is hydrogen, C₁₋₄alkyl, CONH₂ or CO₂R⁸ in which R⁸ is hydrogen or C₁₋₄alkyl; and n is 2, 3 or 4, processes for their preparation, intermediates useful in their preparation, pharmaceutical composition containing them and their use in therapy as nootropic agents.
Pharmacologically active 2,5-dioxo-octahydro-imidazo [1,2-a]pyridines
申请人:I.S.F. Societa per Azioni
公开号:US05130319A1
公开(公告)日:1992-07-14
Imidazole derivatives are described which are useful in restoring learning and treating memory difficulties. A compound of the invention is 2,5-dioxohexahydro-1H-pyrrolo[1,2-a]imidazole.