| abstract |
(57) Abstract: The following formula I as a phosphodiesterase VII inhibitor: (Where R 1 represents CONR 4 R 5 , R 2 represents H or A, R 4 and R 5 independently represent H or A 1 , and R 3 represents Hal. Hal represents F, Cl, Br or I, A represents alkyl having 1 to 4 carbon atoms, A 1 represents alkyl having 1 to 10 carbon atoms, and X represents Alkylene having 1 to 4 carbon atoms, wherein the ethylene group may be replaced by a double or triple bond) and their physiologically acceptable salts and / or solvates. , Their use for preparing pharmaceuticals. |