Patent ID: 6838461

Claim:
A compound of the formula I in which R 1 is Het 1 , or is a phenyl or naphthyl radical, each of which is unsubstituted or substituted by R 2 and/or R 3 , R 2 and R 3 are each, independently of one another, Hal, A, OA, OH or CN, R 4 is H, CN, acyl having 1-6 C atoms, Hal, A, OA, OH, CONH 2 , CONHA or CONA 2 , R 5 is H, R 4 and R 5 together are alternatively alkylene having 3-5 carbon atoms, Het 1 is a monocyclic unsaturated heterocyclic ring system which is unsubstituted or monosubstituted or disubstituted by Hal, A, OA or OH and which contains one, two or three identical or different heteroatoms selected from nitrogen, oxygen or sulfur, A is alkyl having 1-6 carbon atoms, Hal is F, Cl, Br or I, wherein the R 1 —CH 2 —CH 2 -piperazinecarbonyl radical is attached to the 4-, 5-, 6- or 7-position of the indole structure and the R 4 group is attached to the 5-membered ring of the indole structure, and where the indole ring may be replaced by an isatin unit; or a physiologically acceptable salt or solvate thereof; with the proviso that said compound is not (1H-indol-5-yl)-(4-phenethylpiperazin-1-yl)methanone.