[1,2,4]triazolo[4,3-a]quinoxalinone derivatives, their...

C - Chemistry – Metallurgy – 07 – F

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C07F 9/547 (2006.01) A61K 31/495 (2006.01) A61K 31/535 (2006.01) A61K 31/54 (2006.01) A61K 31/675 (2006.01) C07D 487/04 (2006.01)

Patent

CA 2200055

[1,2,4]triazolo[4,3-a]quinoxalinone compounds of general formula (I) wherein R1 is POX'X" or alkyl substituted with COX' or POX'X", and X' and X" independently are hydroxy or alkoxy, and R6, R7, R8 and R9 independently are hydrogen; alkyl; halogen; NH2, NO2, CN, CF3, SO2NY'-Y", COZ' wherein Z' is NY'Y" or alkyl and Y' and Y" independently are hydrogen or alkyl; triazolyl; imidazolyl, piperidino, piperazinyl, morpholino or thiomorpholino all rings optionally being subtituted, are useful in the treatment of indications caused by hyperactivity of the excitatory neurotransmitters.

La présente invention concerne des composés de [1,2,4]triazolo[4,3-a]quinoxalinone représentés par la formule générale (I). Dans cette formule générale (I), R?1¿ représente POX'X" ou alkyle à substitution COX' ou POX'X", X' et X" représentant indépendamment hydroxy ou alcoxy, et R?6¿, R?7¿, R?8¿ et R?9¿ représentent indépendamment hydrogène, alkyle, halogène, NH¿2?, NO¿2?, CN, CF¿3?, SO¿2?NY'-Y", COZ', Z' représentant NY'Y" ou alkyle et Y' et Y" représentent indépendamment hydrogène ou alkyle; triazolyle, imidazolyle, pipéridino, pipérazinyle, morpholino ou thiomorpholino, tous ces cycles étant éventuellement substitués. Ces composés sont utiles pour le traitement des symptômes provoqués par l'hyperactivité des neurotransmetteurs d'excitation.

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