A compound of formula ** Formula ** in which R1 is hydrogen, C1-7-alkyl, C1-7-alkoxy, halogen, S-C1-7-alkyl, halogen-substituted C1-7-alkoxy, di-C1-7-alkyl amino, C (O) O-C1-7-alkyl, C1-7-alkyl substituted with hydroxy or hydroxy； R2 is hydrogen, C1-7alkyl, halogen, C1-7alkoxy, S-C1-7alkyl, C1-7alkoxy substituted with halogen, O (CH2) 2-C1-7alkoxy substituted with halogen, di-C1-alkyl 7-amino, C1-7alkyl-amino, NH-C1-7alkyl substituted with halogen, N (C1-7alkyl) -benzyl, C1-7alkyl substituted with hydroxy, heterocycloalkyl optionally substituted with halogen, CH2-C1-alkoxy 7, CH2-C1-7 alkoxy substituted with halogen or hydroxy； or R1 and R2 together with the carbon atoms to which they are attached form a ring containing -OCH2CH2O-, OCH2O-, OCH2CH2CH2O- or -NHC (O) CH2O-； R3 is hydrogen or C1-7 alkoxy； R4 is hydrogen or C1-7alkyl； R5 is C1-7alkyl, cycloalkyl, C1-7alkyl substituted with hydroxy or C1-7alkyl substituted with halogen； or R4 and R5 together with the nitrogen atom to which they are attached form a ring containing - CH2CH2CHRCH2CH2-, -CH2CHRCH2CH2-, -CH2CH2OCH2CH2-, -CH2CH2NR'CH2CH2-, CH2CHR- or - CH2CH2CH2-； wherein R is hydrogen, halogen, C1-7alkyl, C1-7alkoxy or halogen-substituted C1-7alkyl； R 'is C1-7 alkyl substituted with halogen； Ra is hydrogen or 3H； Rb is hydrogen, hydroxy or 3H； R6 is hydrogen, halogen, or C1-7alkyl； HetAr is selected from the group consisting of thiophenyl, furanyl, thiozolyl, benzofuranyl, pyrazolyl, benzoimidazolyl, or pyridinyl； n is 1 or 2； or a pharmaceutically acceptable acid addition salt, a racemic mixture or its corresponding enantiomer and / or optical isomers thereof.Un compuesto de fórmula**Fórmula** en la que R1 es hidrógeno, alquilo C1-7, alcoxi C1-7, halógeno, S-alquilo C1-7, alcoxi C1-7 sustituido con halógeno, di- alquil C1-7-amino, C(O)O-alquilo C1-7, alquilo C1-7 sustituido con hidroxi o hidroxi； R2 es hidrógeno, alquilo C1-7, halógeno, alcoxi C1-7, S-alquilo C1-7, alcoxi C1-7 sustituido con halógeno, O(CH2)2
