6-Azauracil derivatives as IL-5 inhibitors

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C544S182000

Reexamination Certificate

active

06951857

ABSTRACT:
The present invention is concerned with the use of compounds of formulathe N-oxides, the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein p represents 0, 1, 2 or 3; q represents 0, 1, 2, 3 or 4; R1represents hydrogen, C1-6alkyl, mono- or di(C1-6alkyl)aminoC1-6alkyloxy, mercapto, C1-6alkylthio, C3-7cycloalkyl, aryl or C1-6alkyl substituted with mono- or di(C1-6alkyl)amino, C1-6alkyloxy, aryl or Het; R2represents cyano or a radical of formula —C(═X)—Y—R5; wherein X represents O or S; Y represents O, S, NR6or a direct bond; R5represents hydrogen; C3-7cycloalkyl; aryl or optionally substituted C1-6alkyl; and where Y is a direct bond, R5may also be halo or Het; R3and R4each independently represents halo, haloC1-6alkyl, C1-6alkyl, hydroxy, C1-6alkyloxy, C1-6alkylcarbonyloxy, mercapto, C1-6alkylthio, C1-6alkylsulfonyl, C1-6alkylsulfinyl, haloC1-6alkylsulfonyl, aryl, cyano, nitro, amino, mono- and di(C1-6alkyl)amino or (C1-6alkylcarbonyl)amino; aryl represents phenyl or substituted phenyl; and Het represents an optionally substituted heterocycle; in the manufacture of a medicament useful for treating eosinophil-dependent inflammatory diseases. The invention also relates to novel compounds, their preparation and compositions comprising them.

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