Polymorphs of n-(2-acetyl-4,6-dimethylphenyl)-3-{[(3,4...

Details Polymorphs of n-(2-acetyl-4,6-dimethylphenyl)-3-{[(3,4... Polymorphs of n-(2-acetyl-4,6-dimethylphenyl)-3-{[(3,4...

C - Chemistry, Metallurgy

07

D

C07D 413/12 (2006.01)

Patent

CA 2659811

N-(2-acetyl-4,6-dimethylphenyl)-3-([(3,4 dimethyl-5-isoxazolyl)aminosulfonyl}- 2-thiophenecarboxamide, is provided here in the form of three polymorphs (Forms A, C and E). Forms A, C and E are specified by their peaks in their X-ray powder diffraction patterns, their absorption peaks in their infrared absorption spectra in potassium bromide, their peaks in their Raman absorption spectra and their melting points.

La présente invention concerne trois formes polymorphes du N-(2-acétyl-4,6-diméthylphényl)-3-([(3,4-diméthyl-5-isoxazolyl)aminosulfonyl}-2-thiophènecarboxamide, respectivement appelées formes A, C et E. Lesdites formes A, C et E sont définies par leurs pics dans des spectres de diffraction X sur poudre, leurs pics d'absorption dans des spectres d'absorption infrarouge dans le bromure de potassium, leurs pics dans leurs spectres d'absorption Raman et leurs points de fusion.

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