Polycyclization Enabled by Relay Catalysis: One-Pot Manganese-Catalyzed C−H Allylation and Silver-Catalyzed Povarov Reaction
作者:Shi-Yong Chen、Qingjiang Li、Xu-Ge Liu、Jia-Qiang Wu、Shang-Shi Zhang、Honggen Wang
DOI:10.1002/cssc.201700452
日期:2017.6.9
is described for the one‐pot synthesis of polycyclic products by a formal [3+2] and [4+2] cycloaddition reaction cascade. A manganese(I) complex catalyzed the first example of directed C−H allylation with allenes, setting the stage for an in situ Povarov cyclization catalyzed by silver(I). The reaction proceeds with high bond‐forming efficiency (three C−C bonds), broad substrate scope, high regio‐ and
在这项研究中,描述了一种基于Mn I / Ag I的中继催化过程,用于通过正式的[3 + 2]和[4 + 2]环加成反应级联来单锅合成多环产物。锰(I)配合物催化了与丙二烯直接进行CH烯丙基化的第一个例子,为银(I)催化原位Povarov环化奠定了基础。该反应以高键形成效率(三个C键),广泛的底物范围,高的区域和立体选择性以及100%的原子经济性进行。