首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Structure determination of three furan-substituted benzimidazoles and calculation of pai-pai and C-H...pai interaction energies
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Structure determination of three furan-substituted benzimidazoles and calculation of pai-pai and C-H...pai interaction energies

机译:三种呋喃取代的苯并咪唑的结构测定以及pai-pai和C-H ... pai相互作用能的计算

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Benzimidazole derivatives have a myriad of pharmacological uses, including as inhibitors of serotonin-activated neuro-transmission (Lopez-Rodriguez et al., 1999) and as antiviral agents (Varala et al., 2007). They are also used in anti-arrhythmic, antihistamine, antiulcer, anticancer, fungicidal, and anthelmintical drugs (Horton et al., 2003). The benzimidazole rings and/or their substitutents have a propensity to intercalate in DNA (Perin et al., 2014) and to form pai-aromatic interactions with protein residues. For example, interactions with a phenylalanine residue accompany binding of benzimi-dazolone inhibitors in the active site of the BRPF1 bromo-domain (Demont et al., 2014). pai-pai and C-H...pai interactions play a role in the binding of benzimidazole-based hepatitus C virus inhibitors (Patel et al., 2008); antianxiety drugs (Hayashi et al., 2009); multi-target EGFR, VEGFR-2 and PDGFR kinase inhibitors (Li et al., 2011); and serotonin receptor antagonists (de la Fuente et al., 2010). Furan-substituted benzimidazole derivatives are of particular interest. The 2-furan substituent binds in a deep hydrophobic pocket of hepatitis C virus NS5B polymerase, leading to greater activity than the corresponding pyridyl derivative (Patel et al., 2008). 2-(Furan-2-yl)-1H-benzimidazole (trade name fuberidazole) is a potent fungicide (Matolcsy et al., 1989; MacBean, 2013). Furan and thiophene also exhibit DNA-intercalating abilities (Trent et al., 1996; Chai et al., 2014; Mallena et al., 2004; Laughton et al., 1996).
机译:苯并咪唑衍生物具有多种药理用途,包括作为5-羟色胺激活的神经传递抑制剂(Lopez-Rodriguez等,1999)和抗病毒剂(Varala等,2007)。它们还用于抗心律失常药,抗组胺药,抗溃疡药,抗癌药,杀真菌药和驱虫药(Horton等,2003)。苯并咪唑环和/或其取代基倾向于插入DNA中(Perin等人,2014),并与蛋白质残基形成拜-芳香相互作用。例如,与苯丙氨酸残基的相互作用伴随着苯并咪唑酮抑制剂在BRPF1溴结构域的活性位点的结合(Demont等,2014)。 pai-pai和C-H ... pai相互作用在结合苯并咪唑的丙型肝炎病毒抑制剂中发挥作用(Patel等人,2008);抗焦虑药(Hayashi等,2009);多靶点EGFR,VEGFR-2和PDGFR激酶抑制剂(Li等,2011);和5-羟色胺受体拮抗剂(de la Fuente等,2010)。呋喃取代的苯并咪唑衍生物是特别令人感兴趣的。 2-呋喃取代基结合在丙型肝炎病毒NS5B聚合酶的一个深疏水口袋中,导致其活性高于相应的吡啶基衍生物(Patel等人,2008)。 2-(呋喃-2-基)-1H-苯并咪唑(商品名fuberidazole)是有效的杀菌剂(Matolcsy等,1989; MacBean,2013)。呋喃和噻吩还具有DNA插入能力(Trent等人,1996; Chai等人,2014; Mallena等人,2004; Laughton等人,1996)。

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