Asymmetric Construction of an Aryl‐Alkene Axis by Palladium‐Catalyzed Suzuki–Miyaura Coupling Reaction
作者:Sheng‐Qi Qiu、Yu Chen、Xiang‐Jun Peng、Shi‐Jiang He、Jun Kee Cheng、Yong‐Bin Wang、Shao‐Hua Xiang、Jun Song、Peiyuan Yu、Junmin Zhang、Bin Tan
DOI:10.1002/anie.202211211
日期:2022.11.7
The construction of axially chiral acyclic aryl-alkene skeletons via classic Suzuki–Miyaura reaction has been challenging compared to the biaryls. Rational optimization established an enabling 3,3′-triphenylsilyl-substituted phosphite ligand for asymmetric coupling of hindered aryl halides and vinyl boronates under mild conditions, affording the acyclic aryl-alkenes in good yield, atroposelectivity
与联芳基相比,通过经典的 Suzuki-Miyaura 反应构建轴向手性无环芳基烯烃骨架一直具有挑战性。合理的优化建立了一个 3,3'-三苯基甲硅烷基取代的亚磷酸酯配体,用于在温和条件下受阻芳基卤化物和硼酸乙烯酯的不对称偶联,以良好的收率、阻转选择性和E / Z选择性提供无环芳基烯烃。