Heterocyclic compound

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 231/56 (2006.01) A61K 31/416 (2006.01) A61K 31/4178 (2006.01) A61K 31/4245 (2006.01) A61K 31/427 (2006.01) A61K 31/437 (2006.01) A61K 31/4439 (2006.01) A61K 31/496 (2006.01) A61K 31/4985 (2006.01) A61K 31/519 (2006.01) A61K 31/55 (2006.01) A61P 25/14 (2006.01) A61P 25/18 (2006.01) A61P 25/24 (2006.01) A61P 25/28 (2006.01) A61P 43/00 (2006.01) C07D 401/06 (2006.01) C07D 401/12 (2006.01) C07D 401/14 (2006.01) C07D 403/12 (2006.01) C07D 405/14 (2006.01) C07D 409/12 (2006.01) C07D 409/14 (2006.01) C07D 413

Patent

CA 2718727

An object of the present invention is to provide a novel AMPA receptor potentiator. A compound represented by the following formula (I) or a salt thereof: wherein in formula (I) R1 represents (1) a halogen atom, or (2) cyano group, or the like; Ra and Rb each independently represent a hydrogen atom or C1-4 alkyl; L represents a bond, or a spacer in which the number of atoms in the main chain is 1 to 8; Ring A represents (1) a non-aromatic carbon ring of 4-8 carbon atoms, or (2) a 4- to 8-membered non-aromatic heterocycle either of which is optionally substituted with 1 or more substituents selected from (a) halogen atoms, and (b) cyano group; and Ar represents a substituted phenyl group, or optionally substituted 5- or 6-membered aromatic heterocyclic group.

La présente invention concerne un nouvel agent augmentant la fonction du récepteur AMPA, qui est un composé représenté par la formule (I) ou un sel de celui-ci. Dans la formule (I), R1 représente (1) un atome d'halogène, (2) un groupe cyano ou similaire; Ra et Rb représentent chacun un atome d'hydrogène ou un alkyle en C1-4; L représente un bras de liaison ou un espaceur ayant de 1 à 8 atomes dans la chaîne principale; le cycle A représente (1) un cycle carboné non aromatique ayant de 4 à 8 atomes de carbone ou (2) un cycle hétérocyclique non aromatique de 4 à 8 chaînons, qui peut avoir un ou plusieurs substituants choisis parmi (a) un atome d'halogène et (b) un groupe cyano; et Ar représente un groupe phényle substitué ou un groupe hétérocyclique aromatique de 5 ou 6 chaînons facultativement substitué.

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