Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Haiyan Wu0
Peng Li0
Date of Patent
April 7, 2015
0Patent Application Number
135523810
Date Filed
July 18, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention provides novel 7,8-dihydro-imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4-one compounds and 7,8,9-trihydro-[1H or 2H]-pyrimido[1,2-a]pyrazolo[4,3-e]pyrimidin-4(5H)-one compounds, substituted at the 1 or 2 position with C2-9 alkyl, C3-9 cycloalkyl, heteroarylalkyl, or substituted arylalkyl, in free, salt or prodrug form, processes for their production, their use as pharmaceuticals, particularly as PDE1 inhibitors, and pharmaceutical compositions comprising them.
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