Regio- and Stereoselective Cyanotriflation of Alkynes Using Aryl(cyano)iodonium Triflates
作者:Xi Wang、Armido Studer
DOI:10.1021/jacs.6b00869
日期:2016.3.9
A novel, mild, and versatile approach for regioselective syn-addition of both the CN and OTf groups of aryl(cyano)iodonium triflates to alkynes is described. The reaction uses Fe-catalysis and can be conducted in gram scale. Products of the vicinal cyanotriflation can be stereospecifically readily further functionalized, rendering the method highly valuable.
描述了一种将芳基(氰基)碘三氟甲磺酸盐的 CN 和 OTf 基团区域选择性合成加成到炔烃的新型、温和且通用的方法。该反应使用铁催化并且可以以克规模进行。邻位 cyanotriflation 的产物可以立体定向地容易地进一步功能化, 使该方法非常有价值。