The preparation of several triazolo acyclic nucleosides and triazolo acyclic nucleoside phosphonates is described. The synthetic methodology has been developed as an efficient one-pot Cu(I)-catalyzed azide alkyne Huisgen “click” cycloaddition. A novel Cu(I)-catalyzed decarboxylation reaction of 1-substituted 1H-1,2,3-triazole-4-carboxylic acids at room temperature was observed and used for the preparation of 1-substituted 1H-1,2,3-triazoles. As congeners of TPI (Taiho pharmaceutical inhibitor), the prepared compounds were screened as potential inhibitors of human thymidine phosphorylase, but no inhibitory activity was observed.
描述了几种三唑烷基无环核苷和三唑烷基无环核苷磷酸酯的制备。合成方法已经发展成一种高效的一锅式Cu(I)催化的叠氮炔Huisgen“点击”环加成反应。观察到了一种新颖的Cu(I)催化的1-取代1H-1,2,3-三唑-4-羧酸的脱羧反应,并用于制备1-取代1H-1,2,3-三唑。作为Taiho制药抑制剂的同系物,制备的化合物被筛选为人胸腺嘧啶磷酸酶的潜在抑制剂,但未观察到抑制活性。