Pyrazolopyridine-4-Yl Pyridazinone Derivatives and Addition Salts Thereof, and Pde Inhibitors Comprising the Same Derivatives or Salts as Active Ingredient
申请人:Kohno Yasushi
公开号:US20080207902A1
公开(公告)日:2008-08-28
Novel pyrazolopyridine-4-yl pyridazinone derivatives serve as phosphodiesterase inhibitors and are useful compounds for use in pharmaceutical products.
Specifically, the compounds of the present invention are pyrazolopyridine-4-yl pyridazinone derivatives represented by the following general formula (1):
(Example: 6-(2-ethyl-7-methoxy-pyrazolo[1,5-a]pyridine-4-yl)-5-methyl-4, 5-dihydro-3(2H)-pyridazinone).
新型吡唑吡啶-4-基吡啉酮衍生物作为磷酸二酯酶抑制剂,并且是用于制药产品的有用化合物。具体来说,本发明的化合物是由以下一般式(1)表示的吡唑吡啶-4-基吡啉酮衍生物(例如:6-(2-乙基-7-甲氧基吡唑并[1,5-a]吡啶-4-基)-5-甲基-4,5-二氢-3(2H)-吡啉酮)。