1-(2-Ethoxyethyl)-1H-pyrazolo[4,3-d]pyrimidines as potent phosphodiesterase 5 (PDE5) inhibitors
摘要:
1H-Pyrazolo[4,3-d] pyrimidines are a class of potent and selective second generation phosphodiesterase 5 (PDE5) inhibitors. This work explores the potency, selectivity and efficacy of 1-(2-ethoxyethyl)-1H-pyrazolo[4,5-d] pyrimidines as PDE5 inhibitors resulting in the advancement of a clinical candidate. (C) 2010 Elsevier Ltd. All rights reserved.
1-(2-Ethoxyethyl)-1H-pyrazolo[4,3-d]pyrimidines as potent phosphodiesterase 5 (PDE5) inhibitors
摘要:
1H-Pyrazolo[4,3-d] pyrimidines are a class of potent and selective second generation phosphodiesterase 5 (PDE5) inhibitors. This work explores the potency, selectivity and efficacy of 1-(2-ethoxyethyl)-1H-pyrazolo[4,5-d] pyrimidines as PDE5 inhibitors resulting in the advancement of a clinical candidate. (C) 2010 Elsevier Ltd. All rights reserved.
[EN] This invention relates to compounds of formula (I) wherein R1, R2, R3, R4, R5 and R5 and R6 are as described herein. [FR] L'invention concerne des composés de formule (I). Dans cette formule, R1, R2, R3, R4, R5 et R6 sont décrits dans la description.