N-hydroxy-2-(alkyl, aryl, or heteroaryl sulfanyl, sulfinyl...

C - Chemistry – Metallurgy – 07 – C

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C07C 239/14 (2006.01) A61K 31/16 (2006.01) C07D 211/20 (2006.01) C07D 211/54 (2006.01) C07D 211/62 (2006.01) C07D 241/04 (2006.01) C07D 295/092 (2006.01)

Patent

CA 2320469

Matrix metalloproteinases (MMPs) are a group of enzymes that have been implicated in the pathological destruction of connective tissue and basement membranes. These zinc containing endopeptidases consist of several subsets of enzymes including collagenases, stromelysins and gelatinases. TNF-.alpha. converting enzyme (TACE), a pro-inflammatory cytokine, catalyzes the formation of TNF-.alpha. from membrane bound TNF-.alpha. precursor protein. It is expected that small molecule inhibitors of MMPs and TACE therefore have the potential for treating a variety of disease states. The present invention provides low molecular weight, non-peptide inhibitors of matrix metalloproteinases (MMPs) and TNF-.alpha. converting enzyme (TACE) for the treatment of arthritis, tumor metastasis, tissue ulceration, abnormal wound healing, periodontal disease, bone disease, diabetes (insulin resistance) and HIV infection having formula (I), wherein R2 and R3 form a heterocyclic ring and A is S, S(O), or S(O)2 and R1 and R4 are defined herein.

L'invention concerne les métalloprotéinases matricielles (MMP) qui sont un groupe d'enzymes impliquées dans la destruction pathologique d'un tissu conjonctif et d'une membrane basale. Ces endopeptidases contenant du zinc sont formée de différents sous-ensembles d'enzymes comprenant des collagénases, des stomélysines et des gélatinases. L'enzyme de conversion TNF-.alpha. (TACE), une cytokine pro-inflammatoire, catalyse la formation de TNF-.alpha. à partir d'une membrane liée à la protéine précurseur TNF-.alpha.. On pense que de petits inhibiteurs de molécules de MMP et TACE sont en mesure de traiter un certain nombre de pathologies. L'invention concerne en outre des inhibiteurs non peptidiques à faible poids moléculaire de métalloprotéinases matricielles (MMP) et d'une enzyme de conversion TNF-.alpha. (TACE) pour le traitement de l'arthrite, de métastases tumorales, d'ulcération tissulaire, de subérification d'une blessure anormale, de parodontopathie, de maladies osseuses, du diabète (résistance insulinique) de l'infection par VIH de formule (I), dans laquelle R?2¿ et R?3¿ désignent un noyau hétérocyclique et A désigne S, S(O) ou S(O)¿2? et R?1¿ et R?4¿ sont tels que définis.

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