Angiogenesis inhibiting 5-substituted-1,2,4-thiadiazolyl...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C546S194000

Reexamination Certificate

active

10387703

ABSTRACT:
This invention concerns compounds of formulathe N-oxide forms, the pharmaceutically acceptable acid addition salts and stereochemically isomeric forms thereof, wherein X is CH or N; R1is hydrogen, C1-6alkyl, C1-6alkyloxy, C1-6alkylthio, amino, mono- or di(C1-6alkyl)amino, Ar1, Ar1NH—, C3-6cycloalkyl, hydroxymethyl or benzoyloxymethyl; R2is hydrogen, C1-6alkyl, amino, aminocarbonyl, mono- or di(C1-6alkyl)amino, C1-6alkyloxycarbonyl, C1-6alkylcarbonylamino, hydroxy or C1-6alkyloxy; R3, R4and R5are each independently selected from hydrogen, halo, C1-6alkyl, C1-6alkyloxy, trifluoromethyl, nitro, amino, cyano, azido, C1-6alkyloxyC1-6alkyl, C1-6alkylthio, C1-6alkyloxycarbonyl or Het1;is Ar2, Ar2CH2— or Het2; Ar1and Ar2optionally substituted phenyl; Het1and Het2are optionally substituted monocyclic heterocycles; having angiogenesis inhibiting activity; their preparation, compositions containing them and their use as a medicine.

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