An efficient and straightforward route to terminal vinyl sulfones via palladium-catalyzed Suzuki reactions of α-bromo ethenylsulfones
作者:Yewen Fang、Meijuan Yuan、Juncong Zhang、Li Zhang、Xiaoping Jin、Ruifeng Li、Jinjian Li
DOI:10.1016/j.tetlet.2016.02.065
日期:2016.3
A general and simple protocol for the synthesis of α-substituted alkenylsulfones has been developed firstly via palladium-catalyzed Suzuki reactions between α-bromo ethenylsulfones and organoborons. Using a catalyst composed of Pd(OAc)2 and SPhos, a variety of aryl, heteroaryl, and alkylboron reagents could efficiently couple with α-bromo ethenylsulfones under mild conditions. Moreover, it has been
首先通过α-溴乙烯基砜与有机硼之间的钯催化的Suzuki反应,开发了一种合成α-取代的链烯基砜的通用且简单的方法。使用由Pd(OAc)2和SPhos组成的催化剂,各种芳基,杂芳基和烷基硼试剂可以在温和的条件下有效地与α-溴乙烯砜偶联。此外,首次证明了乙烯基砜被2-硝基苯磺酰肼的二酰亚胺平滑还原。