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Microwave-assisted copper- and palladium-catalyzed sonogashira-type coupling of aryl bromides and iodides with trimethylsilylacetylene
Tetrahedron Letters ( IF 1.5 ) Pub Date : 2016-02-13 04:48:19 Yonghua Lei, Tianhan Hu, Xingsen Wu, Yue Wu, Hua Xiang, Haopeng Sun, Qidong You, Xiaojin Zhang
Tetrahedron Letters ( IF 1.5 ) Pub Date : 2016-02-13 04:48:19 Yonghua Lei, Tianhan Hu, Xingsen Wu, Yue Wu, Hua Xiang, Haopeng Sun, Qidong You, Xiaojin Zhang
An efficient and rapid method was developed for the synthesis of 1-aryl-2-(trimethylsilyl)acetylene. Copper and palladium-catalyzed sonogashira-type coupling of trimethylsilylacetylene and aryl bromides or iodides in the presence of triethylamine as base under microwave irradiation in acetonitrile afforded the desired 1-aryl-2-(trimethylsilyl)acetylene. The use of microwave was found to significantly improve the reaction yield and shorten the reaction time.
中文翻译:
微波辅助的铜和钯催化的芳基溴化物和碘化物与三甲基甲硅烷基乙炔的Sonogashira型偶联
开发了一种高效且快速的合成1-芳基-2-(三甲基甲硅烷基)乙炔的方法。在三乙胺作为碱存在下,在乙腈中微波辐射下,铜和钯催化的三甲基甲硅烷基乙炔与芳基溴化物或碘化物的sonogashira型偶联,得到所需的1-芳基-2-(三甲基甲硅烷基)乙炔。发现使用微波显着提高了反应产率并缩短了反应时间。
更新日期:2016-02-13
中文翻译:
微波辅助的铜和钯催化的芳基溴化物和碘化物与三甲基甲硅烷基乙炔的Sonogashira型偶联
开发了一种高效且快速的合成1-芳基-2-(三甲基甲硅烷基)乙炔的方法。在三乙胺作为碱存在下,在乙腈中微波辐射下,铜和钯催化的三甲基甲硅烷基乙炔与芳基溴化物或碘化物的sonogashira型偶联,得到所需的1-芳基-2-(三甲基甲硅烷基)乙炔。发现使用微波显着提高了反应产率并缩短了反应时间。