Chromenone derivatives and their use for leukotriene...

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 413/12 (2006.01) A61K 31/4245 (2006.01) A61P 19/02 (2006.01)

Patent

CA 2700797

This invention provides novel salt and crystalline forms thereof of (-) 4-(4- fluorophenyl)-7-[({5-[1-hydroxy-1-(tri- fluoromethyl)propyl]-1,3,4-oxadiazol-2-yl}-amino)-methyl]-2H-chromen-2-one. The compounds are 5-LO inhibitors and are useful for treatment of conditions such as asthma, allergic rhinitis, COPD, and atherosclerosis.

L'invention concerne un sel nouveau, et des formes cristallines de celui-ci, à savoir de (-)-4-(4-fluorophényl)-7-[({5-[1-hydroxy-1-(trifluorométhyl)propyl]-1,3,4-oxadiazol-2-yl}-amino)-méthyl]-2H-chromén-2-one. Les composés sont des inhibiteurs de 5-LO et sont utiles pour le traitement de maladies telles que l'asthme, la rhinite allergique, la maladie pulmonaire obstructive chronique, et l'athérosclérose.

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