| abstract |
The present invention relates to compounds of formula I wherein R1, R2, R3, R4 independently represent Hal, OA1, SA1, A, H, COOA1, CN or CONA1A2; R5 represents COOA1, CN or CONA1A2; A1, A2 are each independently H, A, alkenyl, cycloalkyl or alkylene cycloalkyl; A is C 1 -C 10 alkyl; Hal represents fluorine, chlorine, bromine or iodine and physiologically acceptable salts and / or solvates thereof as phosphodiesterase VII inhibitors. The invention relates to the use of the compounds for the preparation of medicaments. HE |