Polymorphic form of 6- (4-chlorophenyl) -2,...

Details Polymorphic form of 6- (4-chlorophenyl) -2,... Polymorphic form of 6- (4-chlorophenyl) -2,...

C - Chemistry, Metallurgy

07

D

C07D 487/04 (2006.01) A61K 31/40 (2006.01) A61P 29/00 (2006.01)

Patent

CA 2602224

The present invention relates to a new crystalline modification of 6- ( 4- chlorophenyl) -2, 2-dimethyl-7- phenyl-2, S-dihydro-lH-pyrrolizin-S-ylacetic acid which is referred to as polymorph B. It has a peak in the solid state 13C- NMR spectrum (with adamantane as external reference standard; CH group d = 29.45 ppm) in the range from 179.8 to 180.2 ppm and can be processed directly to a pharmaceutical formulation.

La présente invention concerne une nouvelle forme cristalline de l'acide 6-(4-chlorophényl)-2,2-diméthyl-7-phényl-2,3-dihydro-1H-pyrrolizin-5-ylacétique désignée sous le nom de forme polymorphe B. Cette forme polymorphe présente un pic dans le spectre de RMN 13C à l'état solide (avec l'adamantane comme norme de référence externe; d du groupement CH = 29,45 ppm) entre 179,8 et 180,2 ppm et peut être directement élaborée sous forme de formule pharmaceutique.

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