1,7- and 2,7-naphthyridine derivatives as potent and highly specific PDE5 inhibitors
作者:Tatsuzo Ukita、Yoshinori Nakamura、Akira Kubo、Yasuo Yamamoto、Yasunori Moritani、Kunio Saruta、Takanori Higashijima、Jun Kotera、Kotomi Fujishige、Michino Takagi、Kohei Kikkawa、Kenji Omori
DOI:10.1016/s0960-894x(03)00440-2
日期:2003.7
Novel 1,7- and 2,7-naphthyridine derivatives, designed by the introduction of nitrogen atom into the phenyl ring of previously reported 4-aryl-1-isoquinolinone derivatives, were disclosed as a new structural class of potent and specific PDE5 inhibitors. Among them, 2,7-naphthyridine 4c showed potent PDE5 inhibition (IC(50)=0.23 nM) and one of the best PDE5 specificities against PDEs1-4,6 (>100,000-fold
通过将氮原子引入先前报道的4-芳基-1-异喹啉酮衍生物的苯环中而设计的新颖的1,7-和2,7-萘啶衍生物被公开为有效的和特异性的PDE5抑制剂的新的结构类别。其中,2,7-萘啶4c显示出有效的PDE5抑制作用(IC(50)= 0.23 nM)和对PDEs1-4,6的最佳PDE5特异性之一(相对PDE1-4选择性> 100,000倍,选择性240倍)与PDE6)。该化合物对离体兔海绵体(EC(30)= 5.0 nM)比西地那非(EC(30)= 8.7 nM)表现出更强的松弛作用。选择化合物4c(T-0156)进行勃起功能障碍的进一步生物学和药理学评估。