Exploration of SAR for novel 2-benzylbenzimidazole analogs as inhibitor of transcription factor NF-κB
作者:PullaReddy Boggu、Eeda Venkateswararao、Manoj Manickam、Youngsoo Kim、Sang-Hun Jung
DOI:10.1007/s12272-017-0886-1
日期:2017.4
inhibition in RAW 264.7 cells using the SEAP assay. Among them, 4-((4-(cyclohexylmethoxy)-1H-benzo[d]imidazol-2-yl)methyl)phenol (6e, >100% inhibition at 30 μM, IC50 = 3.0 μM), 4-((5-(cyclohexylmethoxy)-1H-benzo[d]imidazol-2-yl)methyl)phenol (6j, 96% inhibition at 30 μM, IC50 = 4.0 μM) and 2-((4-(cyclohexylmethoxy)-1H-benzo[d]imidazol-2-yl)methyl)phenol (6k, 95% inhibition at 30 μM, IC50 = 5.0 μM) showed strong
设计、合成了一系列新的 2-苄基苯并咪唑类似物,并使用 SEAP 测定研究了它们在 RAW 264.7 细胞中对 LPS 诱导的 NF-κB 抑制的体外活性。其中,4-((4-(环己基甲氧基)-1H-苯并[d]咪唑-2-基)甲基)苯酚(6e,在30 μM时抑制>100%,IC50 = 3.0 μM)、4-((5 -(环己基甲氧基)-1H-苯并[d]咪唑-2-基)甲基)苯酚(6j,30 μM时抑制率为96%,IC50 = 4.0 μM)和2-((4-(环己基甲氧基)-1H-苯并[ d]imidazol-2-yl)methyl)phenol(6k,在 30 μM 时抑制率为 95%,IC50 = 5.0 μM)显示出很强的抑制活性。构效关系证实苯并咪唑环A上4或5位疏水性环己基甲氧基取代显着增强了活性。此外,苯环B上2或4位的亲水性氢键供体基团(OH)与苯并咪唑环的一个亚甲基间隔基相连,有利于抑制活性。然而,苯环