and purities via traceless sulfone linker has been developed. Key steps involved in this synthetic procedure include (i) sulfone alkylation of sulfinate resin with (2-azido-1-iodoethyl)benzene, (ii) [3 + 2] cycloaddition with terminal alkynes in the presence of CuI, and (iii) traceless product release by base-mediated elimination process. GRAPHICAL ABSTRACT
                                    摘要 已开发出一种新型、简便、固相有机合成 1-(E)-styyl-4-取代-
1,2,3-三唑,通过无痕砜连接体以良好的收率和纯度进行。该合成过程中涉及的关键步骤包括 (i) 亚
磺酸酯
树脂与 (2-
叠氮基-1-
碘乙基) 苯的砜烷基化,(ii) 在 CuI 存在下与末端
炔烃的 [3 + 2] 环加成,以及 (iii)通过碱介导的消除过程实现无痕产品释放。图形概要