Caspase inhibitors and uses thereof

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 211/60 (2006.01) A61K 31/4545 (2006.01) A61P 37/06 (2006.01) C07D 215/48 (2006.01) C07D 401/12 (2006.01) C07D 409/12 (2006.01)

Patent

CA 2380935

This invention provides caspase inhibitors having the formula: (I) wherein Ring A is an optionally substituted piperidine, tetrahydroquinoline or tetrahydroisoquinoline ring; R1 is hydrogen, CHN2, R, or -CH2Y; R is an optionally substituted group selected from an aliphatic group, an aryl group, an aralkyl group, a heterocyclic group, or an heterocyclylalkyl group; Y is an electronegative leaving group; R2 is CO2H, CH2CO2H, or esters, amides or isosteres thereof; Ar is an optionally substituted aryl group; and R3 is hydrogen, an optionally substituted C1-6 alkyl, F2, CN, aryl or R3 is attached to Ar to form an unsaturated or partially saturated five or six membered fused ring having 0-2 heteroatoms. The compounds are useful for treating caspase- mediated diseases in mammals.

L'invention porte sur un procédé des caspase inhibiteurs de la caspase de formule (I) dans laquelle: le cycle A est un cycle pipéridine, tétrahydroisoquinoline ou tétrahydroisoquinoline facultativement substitué; R?1¿ est hydrogène, CHN¿2?, R, ou -CH¿2?Y; R est un groupe facultativement substitué sélectionné parmi un groupe aliphatique, un groupe aryle, un groupe aralkyle, un groupe hétérocyclique ou un groupe hétérocyclylalkyle; Y est un groupe partant électronégatif; R?2¿ est CO¿2?H, CH¿2?CO¿2?H, ou leurs esters, amides ou isostères; Ar est un groupe aryle facultativement substitué; et R?3¿ est hydrogène, un C¿1-6? alkyle facultativement substitué, F¿2?, CN, aryle, ou bien R?3¿ est attaché à Ar pour former un cycle fusionné non ou partiellement saturé à 5 ou 6 éléments présentant 0-2 hétéroatomes. Ces composés sont utilisés pour traiter chez les mammifères les troubles médiés par la caspase.

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