Quantitative structure-activity relationships of N2-phenylguanines as inhibitors of Herpes simplex virus thymidine kinases
作者:Joseph Gambino、Federico Focher、Catherine Hildebrand、Giovanni Maga、Timothy Noonan、Silvio Spadari、George Wright
DOI:10.1021/jm00094a007
日期:1992.8
(HSV2) were used to develop equations using hydrophobic (pi), electronic (sigma, R), and group size (MR) parameters. Equations 1 and 2 with correlation coefficients of 0.797 and 0.805, respectively, were obtained for inhibitors of the types 1 and 2 enzymes. Potencies were correlated positively with pi values of meta substituents but negatively with pi values of para substituents in the phenyl ring. Positive
已开发出Hansch型的定量构效关系,以解释N2-苯基鸟嘌呤对1型和2型单纯疱疹病毒(HSV1,2)的胸苷激酶的抑制作用。在苯环上具有间和/或对位取代基的衍生物作为酶抑制剂表现出很大范围的重叠,但不完全相同。使用36种(HSV1)和35种抑制剂(HSV2)的IC50值来开发使用疏水(pi),电子(sigma,R)和组大小(MR)参数的方程式。对于1型和2型酶的抑制剂,分别获得了相关系数为0.797和0.805的方程式1和2。电位与间取代基的pi值正相关,而与苯环中对位取代基的pi值负相关。通过对位取代基的共振参数R和间位取代基的σ常数也获得正相关。两种酶中最有效的抑制剂是N2- [间-(三氟甲基)苯基]鸟嘌呤,尽管HSV2胸苷激酶比HSV1酶对某些化合物更敏感。