Hydrazone derivative

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 251/86 (2006.01) A61K 31/15 (2006.01) A61K 31/417 (2006.01) A61K 31/421 (2006.01) A61K 31/427 (2006.01) A61K 31/437 (2006.01) A61K 31/44 (2006.01) A61K 31/4439 (2006.01) A61K 31/444 (2006.01) A61K 31/4545 (2006.01) A61K 31/4709 (2006.01) A61K 31/495 (2006.01) A61K 31/496 (2006.01) A61K 31/5377 (2006.01) A61P 3/00 (2006.01) A61P 3/10 (2006.01) A61P 25/00 (2006.01) A61P 25/16 (2006.01) A61P 25/28 (2006.01) A61P 31/10 (2006.01) A61P 35/00 (2006.01) C07D 211/70 (2006.01) C07D 213/53 (2006.01) C07D 233/61 (

Patent

CA 2521056

A compound represented by the general formula (I), a salt thereof, or a solvate of either. (I) (In the formula, R1 means hydrogen, optionally substituted aryl, optionally substituted, (un) saturated, 5- to 7-membered, heterocyclic group, etc.; R2 means hydrogen, optionally substituted aryl, optionally substituted, (un) saturated, 5- to 7-membered, heterocyclic group, etc.; R3 means hydrogen, etc.; Ar means a divalent group derived from an aromatic hydrocarbon, etc.; X means a single bond, an optionally substituted, linear or branched, C1-3 alkylene, etc.; and G means halogeno, an (un) saturated, 5- or 6-membered, cyclic hydrocarbon group, an (un) saturated, 5- to 7-membered, heterocyclic group, etc.) Also provided is an agent for inhibiting the agglutination and/or deposition of an amyloid protein or amyloid-like protein, which contains the compound, salt, or solvate.

L'invention concerne un composé représenté par la formule générale (I), un sel correspondant ou un solvate associé. Dans la formule I, R?1¿ représente l'hydrogène, un aryle facultativement substitué, un groupe hétérocyclique de 5 à 7 éléments (in)saturé facultativement substitué etc., R?2¿ représente l'hydrogène, un aryle facultativement substitué, un groupe hétérocyclique de 5 à 7 éléments (in)saturé facultativement substitué etc., R?3¿ représente l'hydrogène etc., Ar représente un groupe divalent dérivé d'un hydrocarbure aromatique etc., X représente une liaison simple, C1-3 alkylène linéaire ou ramifié facultativement substitué etc., et G représente halogène, un groupe d'hydrocarbures cyclique de 5 à 6 éléments (in)saturé, un groupe hétérocyclique de 5 à 7 éléments (in)saturé etc. Cette invention a aussi trait à un agent servant à inhiber l'agglomération et/ou le dépôt d'une protéine amyloïde ou d'une protéine similaire à une substance amyloïde qui contient le composé, le sel ou le solvate.

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