Pyrazole derivatives as hiv reverse transcriptase inhibitors

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 401/06 (2006.01) A61K 31/415 (2006.01) A61K 31/4439 (2006.01) A61K 31/506 (2006.01) A61P 31/18 (2006.01) C07D 231/18 (2006.01) C07D 401/12 (2006.01) C07D 403/06 (2006.01) C07D 405/12 (2006.01) C07D 409/06 (2006.01)

Patent

CA 2448058

The invention is concerned with novel pyrazole derivatives of formula I, (see formula I) a process for their manufacture, pharmaceutical compositions and the use of such compounds in medicine. In particular, the compounds of formula I are inhibitors of the human immunodeficiency virus reverse transcriptase enzyme which is involved in viral replication. Consequently the compounds of this invention may be advantageously used as therapeutic agents for HIV mediated process. The invention describes novel compounds of formula I wherein R1, R2, R3 and A are as defined in the description; ethers of compounds of formula I as well as pharmaceutically acceptable salts of the foregoing.

L'invention concerne de nouveaux dérivés de pyrazole, un procédé pour leur fabrication, des compositions pharmaceutiques et l'utilisation de ces composés à des fins médicales. D'une manière plus spécifique, les composés représentés par la formule I sont des inhibiteurs de la transcriptase inverse du VIH humain, laquelle joue un rôle dans la réplication virale. Par conséquent, les composés selon l'invention peuvent être utilisés de manière avantageuse en tant qu'agents thérapeutiques dans le cas d'un processus induit par le VIH. L'invention concerne également de nouveaux composés représentés par la formule I, dans laquelle R<1>, R<2>, R<3> et A sont définis dans le descriptif ; des éthers de composés représentés par la formule I, ainsi que leurs sels pharmaceutiquement acceptables.

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