Copper(I)-Catalyzed Highly Regio- and Stereoselective Hydrosilylation of Terminal Alkynes with Boryldisiloxane
作者:Hui Zhou、Yan-Bo Wang
DOI:10.1002/cctc.201402405
日期:2014.9
By employing 1,1,3,3‐tetramethyl‐1,3‐(pinacolboryl)disiloxane as a novel silicon source, the N‐heterocyclic carbene copper complex catalyzed hydrosilylation of terminal alkynes was developed to prepare vinyldisiloxanes in a highly regio‐ and stereoselective manner. A number of functional groups, including ether, ester, cyano, nitro, halo, hydroxyl, cyclopropyl, and aryl groups, were tolerated under
通过使用1,1,3,3-四甲基-1,3-(频哪硼硼烷基)二硅氧烷作为新型硅源,开发了N-杂环卡宾铜络合物催化末端炔烃的氢化硅烷化反应,从而在高度区域和立体选择性的条件下制备乙烯基二硅氧烷方式。在最佳条件下,可以耐受许多官能团,包括醚,酯,氰基,硝基,卤素,羟基,环丙基和芳基。通过使用密度泛函理论计算进行了机械研究。这种方法允许通过Pd催化的交叉偶联反应轻松进入不对称的二取代(E)烯烃。