申请人:Pfizer Inc.
公开号:US07262192B2
公开(公告)日:2007-08-28
The present invention comprises a class of 5,7-diaminopyrazolo[4,3-d]pyrimidine compounds. These compounds are useful as phosphodiesterase type 5 inhibitors. The present invention further comprises compositions containing the compounds use of the compounds and compositions to treat hypertension and other conditions, processes for the preparation of the compounds, and intermediates used in the preparation of the compounds.
本发明涉及一类5,7-二氨基吡唑并[4,3-d]嘧啶化合物。这些化合物可用作磷酸二酯酶5抑制剂。本发明还涉及含有这些化合物的组合物,使用这些化合物和组合物治疗高血压和其他疾病的方法,制备这些化合物的过程以及制备这些化合物所使用的中间体。