作者:Chavada, Lilesh Rambhai、Mishra, Priyanka、Pandey, Ashok Kumar
DOI:10.1021/acs.joc.4c00154
日期:——
results in side reactions, decompositions, poor yields, etc. Herein, we developed a simple and effective method for making bench-stable enamines using a very low amount of nickel catalyst loading. The deuterium exchange, competitive reaction, and radical clock experiment have all been found to favor the ionic mechanism of this alkene isomerization. Scale-up and [3 + 2] annulation reaction of enamines with
烯胺由于其不稳定性而难以在实验台上制备,这会导致副反应、分解、收率差等。在此,我们开发了一种简单有效的方法,使用极低的镍催化剂负载量来制备实验台稳定的烯胺。氘交换、竞争反应和自由基时钟实验都被发现有利于这种烯烃异构化的离子机制。烯胺与活化环丙烷的放大和[3+2]环化反应生成环戊烷衍生物已经显示了该方法在有机合成中的价值。