Hydrate of 5-[4-[2- (n-methyl-n- (2-pyridil)amino)...

Details Hydrate of 5-[4-[2- (n-methyl-n- (2-pyridil)amino)... Hydrate of 5-[4-[2- (n-methyl-n- (2-pyridil)amino)...

C - Chemistry, Metallurgy

07

D

C07D 417/12 (2006.01) A61K 31/425 (2006.01)

Patent

CA 2314965

A hydrate of 5-[4-[2- (N-methyl-N- (2-pyridyl)amino) ethoxy]benzyl] thiazolidine-2, 4-dione, maleic acid salt, characterised in that it: (i) comprises water in the range of from 0.2 to 1.1 % w/w; and (ii) provides an infrared spectrum containing peaks at 764 and 579 cm-1; and/or (iii) provides an X-ray powder diffraction (XRPD) pattern substantially as set out in Figure II; a process for the preparation of such a compound, a pharmaceutical composition containing such a compound and the use of such a compound or composition in medicine.

L'invention porte sur un hydrate, sel de l'acide maléïque, de formule 5-[4-[2- (N-méthyl-N- (2-pyridyl)amino) éthoxy]benzyl] thiazolidine-2, 4-dione, caractérisé en ce qu'il: (i) comporte de l'eau à raison de 0,2 à 1,1 % P/P; (ii) présente un spectre IR comportant des pics à 764 et 579 cm?-1¿; (iii) et/ou présente un motif de diffraction des rayons X par sa poudre (XRPD) (cf fig II). L'invention porte également sur le procédé de préparation dudit sel, sur une préparation pharmaceutique le contenant et sur son utilisation et celle de ladite préparation en médecine.

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