Carbohydrate derivatives

Compounds of the formula I

• 15
• in which
• R1 is CN, CON(R3)2, [C(R4)2]nN(R3)2, C(═NH)—NH2, which may also be monosubstituted by —COR3, —COOR3, OR3, OCOR2, OCOOR3or by a conventional amino-protecting group, or is
• 16
• R2 is H, Hal, A, OR3, N(R3)2, NO2, CN, COOR3, CON(R3 )2, [C(R4)2]n—Ar, [C(R4)2]n-Het or [C(R4)2]ncycloalkyl,
• R3 is H, A, [C(R4)2]n—Ar, [C(R4)2]n-Het or [C(R4)2]ncycloalkyl,
• R4 is H or A,
• W is —[C(R4)2]n—,
• T is —[C(R4)2]n— or CONR3,
• Y is Het or
• phenyl, naphthyl or biphenyl, each of which is unsubstituted or monosubstituted, disubstituted or trisubstituted by Hal, A, OR4, N(R4)2, NO2, CN, COOR4, CON(R4)2, NR4COA, NR4CON(R4)2, NR4SO2A, COR4, SO2N(R4)2, S(O)mA, R1, Het, CO-Het1, NR4COHet1 or SO2Het1,
• Ar is phenyl, naphthyl or biphenyl, each of which is unsubstituted or monosubstituted, disubstituted or trisubstituted by Hal, A, OR4, N(R4)2, NO2, CN, COOR4, CON(R4)2, NR4COA, NR4CON(R4)2, NR4SO2A, COR4, SO2N(R4)2 or S(O)mA,
• Het is a monocyclic or bicyclic saturated, unsaturated or aromatic heterocyclic radical having from 1 to 4 N, O and/or S atoms, which may be unsubstituted or monosubstituted, disubstituted or trisubstituted by carbonyl oxygen, Hal, A, [C(R4)2]n—Ar, [C(R4)2]n-Het2, [C(R4)2]ncycloalkyl, OR3, N(R3)2, NO2, CN, COOR3, CON(R3)2, NR3COA, NR3CON(R3)2, NR3SO2A, COR3, SO2NR3 and/or S(O)nA,
• Het1 is a monocyclic 3-7-membered, saturated heterocyclic radical having 1 to 2 N, O and/or S atoms,
• Het2 is a monocyclic or bicyclic saturated, unsaturated or aromatic heterocyclic radical having 1 to 2 N, O and/or S atoms, which may be unsubstituted or monosubstituted or disubstituted by carbonyl oxygen, Hal, A, OR3, N(R3 )2, NO2, CN, COOR3, CON(R3)2, NR3COA, NR3CON(R3)2, NR3SO2A, COR3, SO2NR3 and/or S(O)nA,
• A is unbranched or branched alkyl having 1-6 carbon atoms, in which one or two CH2 groups may be replaced by O or S atoms and/or by —CH═CH— groups and/or in addition 1-7 H atoms may be replaced by F,
• Hal is F, Cl, Br or I,
• n is 0, 1 or 2,
• m is 0, 1 or 2,
• and pharmaceutically usable derivatives, solvates and stereoisomers thereof, including mixtures thereof in all ratios.