作者:Jian Xie、Christopher T. Seto
DOI:10.1016/j.bmc.2006.09.036
日期:2007.1.1
4-azidobenzoylformate was reacted with 56 mono- and diynes. After hydrolysis of the methyl esters, the resulting alpha-ketocarboxylic acids were assayed in crude form against the Yersinia PTP and PTP1B. Four compounds were selected for further evaluation, and one compound was chosen as the lead for generation of the second round library. This lead compound was modified by conversion of an alcohol into an azide group
蛋白质酪氨酸磷酸酶(PTP)是信号转导途径的重要调节剂。高效和选择性的PTP抑制剂可用于探测这些途径,也可以用作治疗多种疾病的药物,包括2型糖尿病和鼠疫耶尔森氏菌感染。在该报告中,使用了叠氮化物和炔烃之间的Cu(I)催化的“ click”环加成反应来生成PTP抑制剂的两个连续库。在第一轮文库中,使4-叠氮基苯甲酰基甲酸甲酯与56个单炔和二炔反应。甲酯水解后,针对耶尔森菌PTP和PTP1B以粗制形式测定所得的α-酮基羧酸。选择了四种化合物进行进一步评估,并选择了一种化合物作为生成第二轮文库的先导。通过将醇转化为叠氮化物基团来修饰该先导化合物,并使生成的叠氮化物与第一代文库中使用的相同的56个单炔和二炔反应。在筛选出针对耶尔森氏菌PTP和PTP1B的粗抑制剂后,选择了四种化合物并以纯净形式针对耶尔森氏菌PTP,PTP1B,TCPTP,LAR和CD45进行了评估。最好的双(α-酮羧酸)抑制剂34