| 摘要 |
The present invention relates to previously unknown compounds of the formula I <IMAGE> where R1 and R2 are identical or different and selected from hydrogen and halogen; R3 and R4 are identical or different and selected from hydrogen or lower alkyl; n is the number 2 or 3; A is selected from the pyrimidyl or pyridyl groups (a), (b), (c) and (d), <IMAGE> where R5 is selected from hydrogen, lower alkyl and halogen, R6 and R7 are identical or different and selected from hydrogen, halogen, lower alkyl, electron donor groups such as lower alkoxy or hydroxyl, or electron acceptor groups such as cyano, nitro, trifluoromethyl, COOR8, CONR9R10 or CO-B; where R8 denotes hydrogen or lower alkyl; R9 and R10 are identical or different and selected from hydrogen, lower alkyl and cycloalkyl; B is selected from (e) and (f), <IMAGE> where m denotes the number 1, 2, 3 or 4, R1 is selected from hydrogen or lower alkyl, and the pharmacologically active salts thereof. The novel compounds can be used for treating mental illnesses.
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