Hydroxamic acid derivatives as antibacterials

A - Human Necessities – 61 – K

Patent

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A61K 31/165 (2006.01) A61K 31/16 (2006.01) A61K 31/22 (2006.01) A61K 31/395 (2006.01) A61K 31/40 (2006.01) A61K 31/425 (2006.01) A61K 31/426 (2006.01) A61K 31/44 (2006.01) A61K 31/4402 (2006.01) A61K 31/445 (2006.01) A61K 31/4453 (2006.01) A61K 31/495 (2006.01) A61K 31/535 (2006.01) A61K 31/54 (2006.01) A61P 31/04 (2006.01)

Patent

CA 2332713

Compounds of formula (I) are antibacterials wherein: R1 represents hydrogen, or C1-C6 alkyl or C1-C6 alkyl substituted by one or more halogen atoms; R2 represents a group R10-(X)n-(ALK)m- wherein R10 represents hydrogen, or a C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, cycloalkyl, aryl, or heterocyclyl group, any of which may be unsubstituted or substituted by (C1-C6)alkyl, (C1-C6)alkoxy, hydroxy, mercapto, (C1-C6)alkylthio, amino, halo (including fluoro, chloro, bromo and iodo), trifluoromethyl, cyano, nitro, -COOH, -CONH2, -COOR A, -NHCOR A, -CONHR A, -NHR A, -NR A R B, or -CONR A R B wherein R A and R B are independently a(C1-C6)alkyl group, and ALK represents a straight or branched divalent C1-C6 alkylene, C2-C6 alkenylene, or C2-C6 alkynylene radical, and may be interrupted by one or more non-adjacent -NH-, -O- or -S- linkages, X represents -NH-, -O- or -S-, and m and n are independently 0 or 1; and A represents a group as defined in the specification.

L'invention se rapporte à des composés représentés par la formule (I) qui sont des agents antibactériens. Dans la formule (), R1 représente hydrogène, ou alkyle C1-C6 ou alkyle C1-C6 substitué par un ou plusieurs atomes halogènes, R2 représente un groupe R10-(X)n-(ALK)m, où R10 représente hydrogène, ou un groupe alkyle C1-C6, alcényle C2-C6, alkynyle C2-C6, cycloalkyle, aryle ou un groupe hétérocyclyle, chacun de ces groupes pouvant être non substitué ou substitué par alkyle (C1-C6), alcoxy (C1-C6), hydroxy, mercapto, alkylthio (C1-C6), amino, halo (y compris fluoro, chloro, bromo et iodo), trifluorométhyle, cyano, nitro, -COOH, -CONH2, -COOR<A>, -NHCOR<A>, -CONHR<A>, -NHR<A>, -NR<A>R<B>, ou -CONR<A>R<B>, où R<A> et R<B> sont indépendamment un groupe alkyle (C1-C6), et ALK représente un alcylène C1-C6 divalent, linéaire ou ramifié, alcénylène C2-C6, ou un radical alkynylène C2-C6, et peut être interrompu par une ou plusieurs liaisons -NH-, -O- ou -S- non adjacentes, X représente -NH-, -O- ou -S- et m et n sont indépendamment égaux à 0 ou 1; et A représente un groupe tel que défini dans la description.

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