C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 487/04 (2006.01) A61K 31/519 (2006.01)
Patent
CA 2350538
The present invention relates to pyrazolopyrimidinone derivatives of formula 1, (see fig I)~ their preparation method and pharmaceutical compositions containing the said derivatives. The compounds have efficacy on the treatment of impotence, one of male sexual dysfunctions with the side effects reduced.
La présente invention concerne des dérivés de pyrazolopyrimidinone de formule (1), leur procédé de préparation et des compositions pharmaceutiques contenant lesdits dérivés. Ces composés sont efficaces pour traiter l'impuissance qui est une dysfonction sexuelle chez l'homme, et n'entraînent que des effets secondaires réduits.
Ahn Byoung Ok
Chang Min Sun
Doh Hyounmie
Kang Kyung Koo
Kim Dong Goo
Dong A. Pharm. Co. Ltd.
Dong-A Pharmtech Co. Ltd.
Sim & Mcburney
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