Regio- and Chemoselective Coupling of Polyalkynes: A Convenient Access to Polyarylacetylenes and Polyenynes
作者:Ulla Halbes-Létinois、Aleksander Vasiliev、Patrick Pale
DOI:10.1002/ejoc.200500001
日期:2005.7
at each acetylenic end, silylated or not, by two and three, respectively, successive Pd/Ag-catalyzed coupling reactions. Each coupling being selective either for terminal alkyne, trimethylsilylalkyne or for trialkylsilylalkyne, the combination of these coupling methods offers a unique and rapid access to polyunsaturated compounds. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)
单或二甲硅烷基化的 α,ω-二炔和二甲硅烷基化的三炔可以在每个乙炔末端进行区域选择性同系化,无论是否甲硅烷基化,分别通过两个和三个连续的 Pd/Ag 催化偶联反应。每种偶联对末端炔烃、三甲基甲硅烷基炔烃或三烷基甲硅烷基炔烃都有选择性,这些偶联方法的组合提供了独特且快速的多不饱和化合物。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)