Design, synthesis and biological evaluation of novel 2,3-dihydroquinazolin- 4(1H)-one derivatives as potential fXa inhibitors
作者:Junhao Xing、Lingyun Yang、Yifei Yang、Leilei Zhao、Qiangqiang Wei、Jian Zhang、Jinpei Zhou、Huibin Zhang
DOI:10.1016/j.ejmech.2016.09.055
日期:2017.1
Coagulation factor Xa (fXa) is a particularly attractive target for the development of effective and safe anticoagulants. In this study, novel 2,3-dihydroquinazolin-4(1H)-one derivatives were designed as potential fXa inhibitors based on anthranilamide structure which has been reported in our previous research. The experimental data showed that most of the designed compounds exhibited significant in vitro
凝血因子Xa(fXa)是开发有效和安全的抗凝剂的特别有吸引力的目标。在这项研究中,新的2,3-二氢喹唑啉-4(1 H)-one衍生物被设计为基于邻氨基苯甲酰胺结构的潜在fXa抑制剂,这在我们先前的研究中已有报道。实验数据表明,大多数设计的化合物对fXa均显示出显着的体外效价。其中,化合物8e对fXa表现出最强的效力,IC 50值为21 nM,对凝血酶的选择性很高(IC 50 = 67μM),并且在体外表现出色抗血栓活性,其2×PT值为1.2μM,2×aPTT值为0.6μM。此外,8e在大鼠动静脉分流(AV-SHUNT)模型中还表现出出色的体内抗血栓形成活性。出血风险评估表明,8e具有与贝曲西班相似的安全性。所有结果表明,化合物8e可以被认为是预防和治疗血栓栓塞性疾病的潜在fXa抑制剂。