C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 471/04 (2006.01) A61K 31/437 (2006.01) A61K 31/444 (2006.01) A61P 7/02 (2006.01) A61P 9/04 (2006.01) A61P 9/12 (2006.01) A61P 11/00 (2006.01) A61P 11/06 (2006.01) A61P 15/10 (2006.01) A61P 25/00 (2006.01) A61P 25/14 (2006.01) A61P 25/16 (2006.01) A61P 25/28 (2006.01) A61P 27/16 (2006.01) A61P 29/00 (2006.01) A61P 37/08 (2006.01) A61P 43/00 (2006.01)
Patent
CA 2661850
[PROBLEMS] To provide a novel pyrazolopyridine carboxamide derivative which is useful as a pharmaceutical agent having an inhibitory activity on phosphodiesterase. [MEANS FOR SOLVING PROBLEMS] A pyridazinone derivative represented by the general formula (1) (e.g., 2-ethyl-7-methoxypyrazolo[1,5-a]pyridine-4-carboxylic acid (3,5-dichloropyridin-4-yl)amide).
L'invention concerne un nouveau dérivé de pyrazolopyridine carboxamide utile en tant qu'agent pharmaceutique ayant une activité d'inhibition sur la phosphodiestérase. Le dérivé de pyridazinone selon l'invention est représenté par la formule générale (1) (p. ex. l'acide 2-éthyl-7-méthoxypyrazolo[1,5-a]pyridine-4-carboxylique (3,5-dichloropyridin-4-yl)amide).
Kohno Yasushi
Kojima Akihiko
Ochiai Koji
Kyorin Pharmaceutical Co. Ltd.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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