Imidazopyridine derivative functioning as phosphodiesterase VII inhibitor, its use, and pharmaceutical preparation in which the derivative is comprised

摘要

Compounds of the formula Iin whichR1 denotes CONR4R5,R2 denotes H or A,R4 and R5, independently of one another, each denote H or A1,R3 denotes Hal,Hal denotes F, Cl, Br or I,A denotes alkyl having 1-4 carbon atoms,A1 denotes alkyl having 1-10 carbon atoms,X denotes alkylene having 1-4 carbon atoms, in which an ethylene group may also be replaced by a double or triple bond,and their physiologically acceptable salts and/or solvates, as phosphodiesterase VII inhibitors, and their use for the preparation of a medicament.