Piperidinyl-propanone derivatives

A compound of the formula I

• in which
• X denotes NH or O,
• Q denotes C(CH3)2 or 1,1-cyclopropylene,
• R1 denotes H, A, Cyc, Ar or Het,
• R2 denotes H or CH3,
• R3 denotes H or A′,
• Ar denotes phenyl, which is unsubstituted or mono-, di- or trisubstituted by Hal, NO2, CN, A, OR3, S(O)mR3, N(R3)2, COA, COOR3, CON(R3)2, SO2N(R3)2, NR3COR3, NR3SO2A and/or NR3CON(R3)2,
• Het denotes a mono- or bicyclic saturated, unsaturated or aromatic heterocycle having 1 to 4 N, O and/or S atoms, which is unsubstituted or mono- or disubstituted by Hal, NO2, CN, A, OR3, S(O)mR3, N(R3)2, COA, COOR3, CON(R3)2, SO2N(R3)2, NR3COR3, NR3SO2A and/or NR3CON(R3)2,
• A denotes unbranched or branched alkyl with 1-10 C-atoms, wherein one or two non-adjacent CH- and/or CH2-groups may be replaced by N-, O- and/or S-atoms and/or wherein 1-7 H-atoms may be replaced by R4,
• R4 denotes F, Cl or OH,
• A′ denotes unbranched or branched alkyl with 1-6 C-atoms, wherein 1-5 H-atoms may be replaced by F,
• Cyc denotes cyclic alkyl with 3, 4, 5, 6 or 7 C-atoms, which is unsubstituted or monosubstituted by OH,
• Hal denotes F, Cl, Br or I,
• m denotes 0, 1 or 2,
• and pharmaceutically acceptable salts, tautomers and stereoisomers thereof, including mixtures thereof in all ratios.