Compounds of the formula in which R 1 denotes H, (CH 2) n Ar or (CH 2) n Het, R 1' denotes H or A, R 2 denotes H, A, Hal, (CH 2) n Het 1, (CH 2) n Het 3, -C≡C-Ar, (CH 2) n Ar 2, NHCONHAr, COA, COOH, COOA, COHet 1, COAr 2, CONH 2, CONHA, CONA 2, SO 2 NH 2, SO 2 NHA, S m A, NHCOA, SO 2 NHA, SO 2 NA 2, SO 2 NHHet 1, SO 2 NHAr 2 or R 7 denotes H, A, Ar or Het 1, Ar denotes phenyl which is unsubstituted or mono-, di- or trisubstituted by Hal, A, OH, OA, CN, NO 2, SO 2 A, COOH, COOA, NH 2, NHA, NA 2, NHCH 2 Ar 1, CHO, COA, CHO, CONH 2, CONHA, CONA 2, Het, SO 2 NH 2, SO 2 NHA S m A and/or NHCOA, Het denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, A, NH 2, NHA, NA 2, COOH, COOA, CONH 2, CONHA, CONA 2, CONHAr, CONHHet 4, S m A and/or NHCH 2 Ar 1, Ar 1 denotes phenyl which is unsubstituted or mono-, di- or trisubstituted by Hal, A, OH and/or OA, Ar 2 denotes phenyl which is monosubstituted by NHCONHHet 4, Het 1 denotes a mono- or bicyclic aromatic, unsaturated or saturated heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, A, COOA, NH 2, NHR 8 and/or (CH 2) n Het 2, R 8 denotes H, A, Ar 1 or Het 4, R 9, R 10 each, independently of one another, denote H or Hal, R 11 denotes H or A', Het 2 denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by A, COOA and/or NH 2, Het 3 denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by NH 2, Het 4 denotes a mono- or bicyclic aromatic, unsaturated or saturated heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, A, Ar 1, NH 2, NHCH 2 Ar 1 and/or =O, A denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by F and/or in which one or two non-adjacent CH and/or CH 2 groups may be replaced by O, NH, NA', S, SO, SO 2 and/or by CH=CH groups, or cyclic alkyl having 3-7 C atoms, A' denotes unbranched or branched alkyl having 1-4 C atoms, Hal denotes F, Cl, Br or I, m denotes 0, 1 or 2, n denotes 0, 1, 2, 3 or 4, and pharmaceutically usable salts, tautomers and stereoisomers thereof, including mixtures thereof in all ratios, where 4H-pyrrolo[2,3-d]thiazole, 2,5-dimethyl-4H-pyrrolo[2,3-d]thiazole, 6-methyl-4H-pyrrolo[2,3-d]thiazole, 2-methyl-4H-Pyrrolo[2,3-d]thiazole, 5-methyl-4H-pyrrolo[2,3-d]thiazole, 4-methyl-4H-pyrrolo[2,3-d]thiazole, 2,4,5-trimethyl-4H-pyrrolo[2,3-d]thiazole, 2,4-dimethyl-4H-pyrrolo[2,3-d]-thiazole, 4,5-dimethyl-4H-pyrrolo[2,3-d]thiazole, 4,6-dimethyl-4H-pyrrolo-[2,3-d]thiazole are excluded. R 1 denotes H, (CH 2) n Ar or (CH 2) n Het, R 1' denotes H or A, R 2 denotes H, A, Hal, (CH 2) n Het 1, (CH 2) n Het 3, -C≡C-Ar, (CH 2) n Ar 2, NHCONHAr, COA, COOH, COOA, COHet 1, COAr 2, CONH 2, CONHA, CONA 2, SO 2 NH 2, SO 2 NHA, S m A, NHCOA, SO 2 NHA, SO 2 NA 2, SO 2 NHHet 1, SO 2 NHAr 2 or R 7 denotes H, A, Ar or Het 1, Ar denotes phenyl which is unsubstituted or mono-, di- or trisubstituted by Hal, A, OH, OA, CN, NO 2, SO 2 A, COOH, COOA, NH 2, NHA, NA 2, NHCH 2 Ar 1, CHO, COA, CHO, CONH 2, CONHA, CONA 2, Het, SO 2 NH 2, SO 2 NHA S m A and/or NHCOA, Het denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, A, NH 2, NHA, NA 2, COOH, COOA, CONH 2, CONHA, CONA 2, CONHAr, CONHHet 4, S m A and/or NHCH 2 Ar 1, Ar 1 denotes phenyl which is unsubstituted or mono-, di- or trisubstituted by Hal, A, OH and/or OA, Ar 2 denotes phenyl which is monosubstituted by NHCONHHet 4, Het 1 denotes a mono- or bicyclic aromatic, unsaturated or saturated heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, A, COOA, NH 2, NHR 8 and/or (CH 2) n Het 2, R 8 denotes H, A, Ar 1 or Het 4, R 9, R 10 each, independently of one another, denote H or Hal, R 11 denotes H or A', Het 2 denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by A, COOA and/or NH 2, Het 3 denotes a mono- or bicyclic aromatic heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by NH 2, Het 4 denotes a mono- or bicyclic aromatic, unsaturated or saturated heterocycle having 1 to 4 N, O and/or S atoms, which may be unsubstituted or mono-, di- or trisubstituted by Hal, A, Ar 1, NH 2, NHCH 2 Ar 1 and/or =O, A denotes unbranched or branched alkyl having 1-10 C atoms, in which 1-7 H atoms may be replaced by F and/or in which one or two non-adjacent CH and/or CH 2 groups may be replaced by O, NH, NA', S, SO, SO 2 and/or by CH=CH groups, or cyclic alkyl having 3-7 C atoms, A' denotes unbranched or branched alkyl having 1-4 C atoms, Hal denotes F, Cl, Br or I, m denotes 0, 1 or 2, n denotes 0, 1, 2, 3 or 4,