C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 403/04 (2006.01) A61K 31/517 (2006.01) A61P 29/00 (2006.01)
Patent
CA 2762307
The present invention relates to the solid state of 6-(1H-imidazol-1-yl)-2- phenylquinazoline (I) and therefore to novel crystalline forms of the base and of pharmaceutically acceptable salts and solvates thereof, and also to methods for preparing them, to the respective pharmaceutical formulations and to their therapeutic use. Compound (I) may be obtained as the free base in five different crystalline forms, three polymorphic forms and two hydrates. Some pharmaceutically acceptable salts of (I) that have physicochemical characteristics acceptable for pharmaceutical development were obtained, and the respective polymorphic forms and/or hydrates were characterized.
La présente invention concerne l'état solide de la 6-(1H-imidazol-1-yl)-2- phénylquinazoline (I) et par conséquent de nouvelles formes cristallines de la base et de ses sels et solvats pharmaceutiquement acceptables, ainsi que des procédés de préparation associés, les préparations pharmaceutiques correspondantes et leur utilisation thérapeutique. Le composé (I) peut être obtenu en tant que base libre sous cinq formes cristallines différentes, trois formes polymorphes et deux hydrates. Certains sels pharmaceutiquement acceptables de (I) qui ont des caractéristiques physicochimiques acceptables pour un développement pharmaceutique ont été obtenus, et les formes polymorphes et/ou hydrates correspondants ont été caractérisé(e)s.
Ghirri Matteo
Giordani Antonio
Mandelli Stefano
Porta Francesca
Rovati Lucio Claudio
Macrae & Co.
Rottapharm S.p.a.
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