Glycosidase inhibitors

A compound of formula (I)

• wherein
• R is straight chain or branched alkyl having 1 to 6 carbon atoms, wherein 1 to 5 hydrogen atoms may be replaced by Hal or OH;
• W is CH or N;
• A denotes one of the following groups:
• X is N or CR′″;
• X1, X2 is N or CR′″;
• X3 is N or CR′″″;
• X4 is N or CR9;
• R9 denotes Hal, NR3R4, CHR3R4, OR3, CN, straight chain or branched alkyl having 1 to 12 carbon atoms, wherein 1 to 3 CH2-groups may be replaced by a group selected from O, NR3, S, SO, SO2, S(O)(NH), CO, COO, OCO, CONR3, NR3CO and wherein 1 to 5 hydrogen atoms may be replaced by Hal, NR3R4 or NO2;
• Y is O, S, SO or SO2;
• R′, R″ denote each independently H, Hal or straight chain or branched alkyl having 1 to 12 carbon atoms;
• R′″, R″″ independently denote H, Hal, NR3R4, CHR3R4, OR3, CN, straight chain or branched alkyl having 1 to 12 carbon atoms, wherein 1 to 3 CH2-groups may be replaced by a group selected from O, NR3, S, SO, SO2, S(O)(NH), CO, COO, OCO, CONR3, NR3CO and wherein 1 to 5 hydrogen atoms may be replaced by Hal, NR3R4 or NO2;
• R′″″ denotes H, Hal, NR3R4, CHR3R4, CN, straight chain or branched alkyl having 1 to 12 carbon atoms, wherein 1 to 3 CH2-groups may be replaced by a group selected from O, NR3, S, SO, SO2, S(O)(NH), CO, COO, OCO, CONR3, NR3CO and wherein 1 to 5 hydrogen atoms may be replaced by Hal, NR3R4 or NO2;
• R3, R4 denote each independently H or a straight chain or branched alkyl group having 1 to 12 carbon atoms;
• Q denotes one of the following groups:
• Z1 is S, O, NR3;
• Z2, Z3 independently denote CR5, CR6 or N;
• Z2′ is CR5′ or N;
• Z4 is N, CH, CON, COCH;
• Z5 is S, O, NR8, SO2, CHR5;
• Z5′ is S, O, NR8, SO2;
• Z6 is CH2, CO;
• s denotes 0 or 1;
• T is N, CH or CR7;
• R3′ denotes H or a straight chain or branched alkyl group having 1 to 12 carbon atoms, wherein 1 to 3 CH2-groups may be replaced by a group selected from SO2, CO, O and wherein 1 to 5 hydrogen atoms may be replaced by Hal;
• R3″ denotes a straight chain or branched alkyl group having 1 to 12 carbon atoms, wherein 1 to 3 CH2-groups are replaced by a group selected from SO2, CO, O and wherein 1 to 5 hydrogen atoms may be replaced by Hal;
• R5, R5′, R6, R7 independently denote H, Hal, NR3R4, NO2, straight chain or branched alkyl having 1 to 12 carbon atoms, wherein 1 to 3 CH2-groups may be replaced by a group selected from O, NR3, S, SO, SO2, S(O)(NH), CO, COO, OCO, CONR3, NR3CO and wherein 1 to 5 hydrogen atoms may be replaced by Hal, NR3R4, NO2, OR3, Het, Ar, Cyc, or denote Ar, Het or Cyc;
• R8 denotes H, methyl or straight chain or branched alkyl having 2 to 12 carbon atoms, wherein 1 to 3 CH2-groups may be replaced by a group selected from O, NR3, S, SO, SO2, S(O)(NH), CO, COO, OCO, CONR3, NR3CO and wherein 1 to 5 hydrogen atoms may be replaced by Hal, NR3R4 or NO2;
• Hal denotes F, Cl, Br or I;
• Het denotes a saturated, unsaturated or aromatic ring, being monocyclic or bicyclic or fused-bicyclic and having 3- to 8-members and containing 1 to 4 heteroatoms selected from N, O and S, which may be substituted by 1 to 3 substituents selected from R5, Hal and OR3;
• Ar denotes a 6-membered carbocyclic aromatic ring or a fused or non fused bicylic aromatic ring system, which is optionally substituted by 1 to 3 substituents independently selected from R5, OR3 and Hal;
• Cyc denotes a saturated or an unsaturated carbocyclic ring having from 3 to 8 carbon atoms which is optionally substituted by 1 to 3 substituents independently selected from R5 or Hal or OH;
• m and n denote independently from one another 0, 1, 2 or 3
• and pharmaceutically usable derivatives, solvates, salts, tautomers, enantiomers, racemates and stereoisomers thereof, including mixtures thereof in all ratios and compounds of formula I, wherein one or more H atoms are replaced by D (deuterium).