Crystalline forms of a pyridinyl-sulfonamide and their use...

Details Crystalline forms of a pyridinyl-sulfonamide and their use... Crystalline forms of a pyridinyl-sulfonamide and their use...

C - Chemistry, Metallurgy

07

D

C07D 401/14 (2006.01) A61K 31/506 (2006.01) A61P 9/00 (2006.01)

Patent

CA 2566466

Crystalline forms A and B of 5-methyl-pyridine-2-sulfonic acid [6-methoxy-5-(2- methoxy-phenoxy)-2-pyridin-4-yl-pyrimidin-4-yl]-amide of formula (I) are described, whereby form B is the most stable form. 5-methyl-pyridine-2- sulfonic acid [6-methoxy-5-(2-methoxy-phenoxy)-2-pyridin-4-yl-pyrimidin-4-yl]- amide also forms solvates with, for example, ethanol, acetone, tetrahydrofuran, methanol, isopropanol, 2-butanone and dichloromethane.

Cette invention concerne des formes cristallines A et B de [6-méthoxy-5-(2-méthoxy-phénoxy)-2-pyridin-4-yl-pyrimidin-4-yl]-amide d'acide 5-méthyl-pyridine-2-sulfonique de formule (I), dans laquelle la forme B est la forme la plus stable. Le [6-méthoxy-5-(2-méthoxy-phénoxy)-2-pyridin-4-yl-pyrimidin-4-yl]-amide d'acide 5-méthyl-pyridine-2-sulfonique forme également des solvates, notamment avec l'éthanol, l'acétone, le tétrahydrofurane, le méthanol, l'isopropanol, le 2-butanone et le dichlorométhane.

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