252233-59-3Relevant articles and documents
Optimization of substituted N-3-benzylimidazoquinazolinone sulfonamides as potent and selective PDE5 inhibitors
Rotella,Sun,Zhu,Krupinski,Pongrac,Seliger,Normandin,Macor
, p. 5037 - 5043 (2007/10/03)
A previous report from these laboratories identified the N-3-benzylimidazoquinazolinone nucleus as a more selective PDE5 inhibitor template compared to the pyrazolopyrimidine of sildenafil. This paper describes in detail the structure-activity relationshi