Synthesis and biological assay of new 2’-deoxyuridine dimers containing a 1,2,3-triazole linker. Part I
作者:Lucyna Michalska、Dariusz Wawrzyniak、Agnieszka Szymańska-Michalak、Jan Barciszewski、Jerzy Boryski、Dagmara Baraniak
DOI:10.1080/15257770.2018.1514122
日期:2019.3.4
Abstract We describe a simple method for the synthesis of modified dinucleosides containing pyrimidine nucleoside analogues (2’-deoxyuridine, thymidine and 5-fluoro-2’-deoxyuridine). Six different dimers with a 1,2,3-triazole linkage were obtained by azide–alkyne 1,3-dipolar cycloaddition (click reaction), starting from propargylated 2’-deoxyuridine and 5’-azido-nucleoside derivatives. Their cytotoxic
摘要我们描述了一种简单的合成修饰的二核苷的方法,该修饰的二核苷含有嘧啶核苷类似物(2'-脱氧尿苷,胸苷和5-氟-2'-脱氧尿苷)。通过叠氮化物-炔烃1,3-偶极环加成反应(点击反应),从炔丙基化2'-脱氧尿苷和5'-叠氮基-核苷衍生物开始,获得了具有1,2,3-三唑键的六种不同的二聚体。在五种人类癌细胞系中测试了它们的细胞毒性活性:宫颈癌(HeLa),高级神经胶质瘤(U-118 MG,U-87 MG,T98G),肝脏(HepG2)和正常人类成纤维细胞系(MRC-5)使用磺基罗丹明B(SRB)分析。实验表明,所获得的具有1,2,3-三唑部分的二聚体是非常稳定的化合物,在生理样介质中也没有抗癌活性。