首页> 美国卫生研究院文献>Acta Pharmaceutica Sinica. B >Design synthesis molecular modeling and biological evaluation of acrylamide derivatives as potent inhibitors of human dihydroorotate dehydrogenase for the treatment of rheumatoid arthritis
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Design synthesis molecular modeling and biological evaluation of acrylamide derivatives as potent inhibitors of human dihydroorotate dehydrogenase for the treatment of rheumatoid arthritis

机译:丙烯酰胺衍生物的设计合成分子建模和生物学评价作为人二氢脱氢酶治疗类风湿性关节炎的有效抑制剂

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摘要

Human dihydroorotate dehydrogenase (DHODH) is a viable target for the development of therapeutics to treat cancer and immunological diseases, such as rheumatoid arthritis (RA), psoriasis and multiple sclerosis (MS). Herein, a series of acrylamide-based novel DHODH inhibitors as potential RA treatment agents were designed and synthesized. 2-Acrylamidobenzoic acid analog 11 was identified as the lead compound for structure–activity relationship (SAR) studies. The replacement of the phenyl group with naphthyl moieties improved inhibitory activity significantly to double-digit nanomolar range. Further structure optimization revealed that an acrylamide with small hydrophobic groups (Me, Cl or Br) at the 2-position was preferred. Moreover, adding a fluoro atom at the 5-position of the benzoic acid enhanced the potency. The optimization efforts led to potent compounds 42 and 53‒55 with IC50 values of 41, 44, 32, and 42 nmol/L, respectively. The most potent compound 54 also displayed favorable pharmacokinetic (PK) profiles and encouraging in vivo anti-arthritic effects in a dose-dependent manner.
机译:人二氢脱氢酶(Dhodh)是治疗癌症和免疫疾病的治疗方法的可行靶标,例如类风湿性关节炎(RA),牛皮癣和多发性硬化(MS)。这里,设计并合成了一系列基于丙烯酰胺的新型DHODH抑制剂作为潜在的RA处理剂。将2-丙烯酰酰苯甲酸类似物11被鉴定为用于结构 - 活性关系(SAR)研究的铅化合物。用萘基部分替换苯基,将抑制活性显着改善到两位数的纳米摩尔范围。进一步的结构优化表明,在2-位在2位具有小疏水基团(Me,Cl或Br)的丙烯酰胺是优选的。此外,在苯甲酸的5位添加氟原子增强了效力。优化努力导致有效的化合物42和53-55,分别具有41,44,32和42nmol / L的IC 50值。最有效的化合物54也显示出有利的药代动力学(PK)型材,并以剂量​​依赖性方式促进体内抗关节炎效应。

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