Patents
The invention relates to Pyrazolopyrimidinone compounds as PDE5 inhibitors with better IC50 value, good in efficacy and PK profile and a process for the preparation thereof. The invention covers the pyrazolo pyrimidinone based compounds that have been designed, synthesized and screened for PDE5 inhibitory activity and its PDE5 inhibitory potential is provided in this invention. These designer compounds have shown nanomolar potency when screened for PDE5 inhibitory activity and also shown better in efficacy. These compounds can be used the treatment of male erectile dysfunction or the treatment of impotence.