PYRAZOLOPYRIDIN-4-YLPYRAZOLON DERIVATIVE, ADDITION SALT THEREOF, AND PHOSPHODIESTERASE INHIBITOR COMPRISING THE SAME AS EFFECTIVE INGREDIENT

PYRAZOLOPYRIDIN-4-YLPYRAZOLON DERIVATIVE, ADDITION SALT THEREOF, AND PHOSPHODIESTERASE INHIBITOR COMPRISING THE SAME AS EFFECTIVE INGREDIENT

PROBLEM TO BE SOLVED: To provide a novel pyrazolopyridin-4-ylpyrazolon derivative useful as a pharmaceutical exhibiting a phosphodiesterase-inhibiting action. SOLUTION: The pyrazolopyridin-4-ylpyrazolon derivative is represented by general formula (1). A concrete example thereof is 6-(2-ethyl-7-meth...

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Bibliographische Detailangaben
Hauptverfasser: KONO YASUSHI, OCHIAI KOJI, ANDOU NAOKI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a novel pyrazolopyridin-4-ylpyrazolon derivative useful as a pharmaceutical exhibiting a phosphodiesterase-inhibiting action. SOLUTION: The pyrazolopyridin-4-ylpyrazolon derivative is represented by general formula (1). A concrete example thereof is 6-(2-ethyl-7-methoxy-pyrazolo[1,5-a]pyridin-4-yl)-4,4-dimethyl-2,4-dihydro-3-pyrazolon. COPYRIGHT: (C)2007,JPO&INPIT