Cysteine protease inhibitors

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 407/12 (2006.01) A01N 43/16 (2006.01) C07D 307/22 (2006.01) C07D 307/32 (2006.01) C07D 307/68 (2006.01) C07D 307/85 (2006.01) C07D 309/14 (2006.01) C07D 309/28 (2006.01) C07D 309/30 (2006.01) C07D 405/12 (2006.01) C07D 405/14 (2006.01) C07D 409/12 (2006.01)

Patent

CA 2428863

Compound s of the formula A compound of the formula IV where R1 is R'-C(=O)- or R'-S(=O)2-R' is X, = O, S, NH, W, Y, Z = CH, N;R'' = single or multiple ring substitution combinations taken from: H, C1-7-alkyl, C3-6-cycloalkyl, OH, SH, amine, halogen; R3 = C1-7-alkyl, C2-C7 alkenyl, C3-7-cycloalkyl, Ar, Ar-C1- 7-alkyl C3-6cycloalkyl; R4 = H, C1-7-alkyl, C3-7-cycloalkyl; C2-7alkenyl, Ar, Ar-C1-C7-alkyl; R5 = C1-7-alkyl, hydroxy- or halo-substituted C1- C7alkylhalogen, Ar-C1-7-alkyl, C0-3-alkyl-CONR3R4 or a bulky amine function; R6 = H, C1-7-alkyl, Ar-C1-7-alkyl, C1-3-alkyl-SO2-Rix, C1-3-alkyl-C(O)-NHRix or CH2XAr; and pharmaceutically acceptable salts thereof have utility as inhibitors of cysteine proteases such as cathepsin S and falcipain.

L'invention concerne un composé représenté par la formule IV, dans laquelle R1 est représenté par R'-C(=O)- ou R'-S(=O)2-, R' étant représenté par les formules I, II, III et V, dans lesquelles X représente O, S, NH ; W, Y, Z représentent CH, N ; R'' représente des combinaisons de substitution à un ou plusieurs cycles sélectionnées dans le groupe comprenant : H, C1-7-alkyle, C3-6-cycloalkyle, OH, SH, amine, halogène ; R3 représente C1-7-alkyle, C2-C7 alcényle, C3-7-cycloalkyle, Ar, Ar-C1-7-alkyle ; R4 représente H, C1-7-alkyle, C3-7-cycloalkyle, C2-7 alcényle, Ar, Ar-C1-C7-alkyle ; R5 représente C1-7-alkyle, C1-C7 alkylhalogène à substitution hydroxy ou halo, Ar-C1-7-alkyle, C0-3-alkyl-CONR3R4 ou une fonction amine volumineuse ; R6 représente H, C1-7-alkyle, Ar-C1-7-alkyle, C1-3-alkyl-SO2-R?ix¿, C1-3-alkyl-C(O)-NHR?ix¿ ou CH¿2?XAr ; ainsi que des sels pharmaceutiquement acceptables de ce composé, qui sont utiles comme inhibiteurs de cystéine protéases telles que la cathepsine S et la falcipaïne.

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