作者:Qiong Su、Zi-Jian Zhao、Feng Xu、Peng-Cai Lou、Kai Zhang、De-Xun Xie、Lei Shi、Qing-Yun Cai、Zhi-Hong Peng、De-Lie An
DOI:10.1002/ejoc.201201422
日期:2013.3
An efficient preparation for arylethynyl sulfides 1 and bis(arylethynyl) sulfides 2 has been accomplished through a one-pot, three-step strategy that starts from arylethanonyl sulfides and bis(arylethanonyl) sulfides, respectively, without the use of various terminal arylacetylenes as substrates. When lithium hexamethyldisilazane (LHMDS), ClP(O)(OEt)2, and LHMDS were sequentially added to a tetrahydrofuran
芳基乙炔基硫化物 1 和双(芳基乙炔基)硫化物 2 的有效制备已通过一锅三步策略完成,该策略分别从芳基乙炔基硫化物和双(芳基乙炔基)硫化物开始,无需使用各种末端芳基乙炔作为底物. 当将六甲基二硅氮烷锂 (LHMDS)、ClP(O)(OEt)2 和 LHMDS 依次加入不同底物 [芳基乙酮硫化物或双(芳基乙炔基)硫化物] 的四氢呋喃溶液中时,以中等至良好的收率获得 1 或 2。反应过程包括烯醇磷酸酯的形成和随后的碱诱导消除。