A Facile Synthetic Route to Monodisperse Asymmetrical Oligo(phenylene‐ethynylene)s
作者:Jinling Zhao、Zhishan Bo
DOI:10.1081/scc-200057287
日期:2005.5.1
Abstract Monodisperse asymmetrical oligo(phenylene‐ethynylene)s were synthesized iteratively by combining the selective deprotection and the Sonogashira coupling. Trimethylsilylethyl ester (TSE) and trimethylsilyl (TMS) were used as protecting groups for carboxyl and acetylene, respectively. The acetylenic TMS protecting group could be removed selectively by the treatment with TBAF in methylene chloride
摘要 通过结合选择性脱保护和 Sonogashira 偶联,迭代合成了单分散不对称低聚(亚苯基-亚乙炔)。三甲基甲硅烷基乙酯 (TSE) 和三甲基甲硅烷基 (TMS) 分别用作羧基和乙炔的保护基团。通过在二氯甲烷中用 TBAF 处理可以选择性地去除炔属 TMS 保护基团,而 TSE 和 TMS 保护基团都在 THF 中裂解。