Dibenzocycloheptane compounds and pharmaceuticals containing these compounds

A dibenzocycloheptane compound of the formula I

• in which
• one of the ring atoms X and Y is CH2 and the other is CH2, O, S, SO, SO2 or NR5;
• or —X—Y— is —CH2—CH2— or —CH═CH—;
• R1 is H or C1-C6-alkyl;
• R2 is H, halogen or C1-C4-alkyl-C≡C— which is optionally substituted by an amino group;
• R3 is selected from:
• R4 is H, halogen or C1-C6-alkyl, or R3 and R4 are bonded to adjacent C atoms of the phenyl ring and form together with these C atoms a 5- or 6-membered aromatic or nonaromatic heterocycle having a nitrogen heteroatom, where the heterocycle may be substituted by one or two C1-C6-alkyl groups or may be fused to a cyclohexyl group;
• R5 is H or C1-C6-alkyl;
• R6 is H or C1-C6-alkyl;
• R7 is selected from:
• H,
• NH2,
• mono-C1-C6-alkylamino,
• di-C1-C6-alkylamino,
• C1-C6-alkyl-CONH—,
• C1-C6-alkyl-NHCONH—,
• C1-C6-alkyl-O—CO—NH—,
• C1-C6-alkyl,
• C1-C6-alkoxy,
• NO2 or
• halogen;
• R8 is H, NH2, mono-C1-C6-alkylamino, di-C1-C6-alkylamino, C1-C6-alkoxy, or halogen;
• R9 is H or NH2;
• and the physiologically tolerated salts and the solvates of the compounds and of the salts thereof.