Design, synthesis and biological evaluation of thrombin inhibitors based on a pyridine scaffold
作者:David Blomberg、Tomas Fex、Yafeng Xue、Kay Brickmann、Jan Kihlberg
DOI:10.1039/b705344d
日期:——
A series of 2,4-disubstituted pyridine derivatives has been designed, synthesised and evaluated as thrombin inhibitors. A Grignard exchange reaction was used to introduce various benzoyl substituents in position 4 of the pyridine ring, where they serve as P3 residues in binding to thrombin. In position 2 of the pyridine ring, a para-amidinobenzylamine moiety was incorporated as P1 residue by an SNAr
已经设计,合成和评估了一系列2,4-二取代的吡啶衍生物作为凝血酶抑制剂。格氏交换反应用于在吡啶环的4位引入各种苯甲酰基取代基,它们在与凝血酶结合时充当P3残基。在吡啶环的2位上,通过使用氨作为亲核试剂的SNAr反应,将对-基苄胺部分作为P1残基并入,然后进行还原胺化。在凝血酶的活性位点中为一种化合物获得的晶体结构表明,抑制剂的碱性am基锚定在S1口袋底部的Asp 189上。与结合在凝血酶活性位点上的美拉加群的比较,