1, 6-Dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one derivatives useful for treating impotence

1, 6-Dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one derivatives useful for treating impotence

A pyrazole-pyrimidinone derivative or a pharmaceutically acceptable salt thereof has the formula (I) wherein: R1 is an alkyl group; R2 and R3 are independently an optionally substituted alkyl group and R4 is an optionally substituted alkyl group, cycloalkyl group, benzene, pyridine, or a pyrrole. Th...

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Hauptverfasser: KIM, SOONHOE, CHANG, MINSUN, LIM, TAEKYUN, KIM, DONG GOO, YOO, MOOHI, KANG, KYUNG KOO, AHN, BYOUNG OK, KIM,HEUNGJAE, SHIM, HYUNJOO, KIM, DONG SUNG, DOH,HYOUNMIE, KIM, IK YON, LIM, JOONG IN, KIM, WONBAE, SON, MIWON, OH, TAEYOUNG
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:A pyrazole-pyrimidinone derivative or a pharmaceutically acceptable salt thereof has the formula (I) wherein: R1 is an alkyl group; R2 and R3 are independently an optionally substituted alkyl group and R4 is an optionally substituted alkyl group, cycloalkyl group, benzene, pyridine, or a pyrrole. The compounds are useful for treating impotence.