作者:Shengzu Duan、Guogang Deng、Yujin Zi、Xiaomei Wu、Xun Tian、Zhengfen Liu、Minyan Li、Hongbin Zhang、Xiaodong Yang、Patrick J. Walsh
DOI:10.1039/d1sc00972a
日期:——
nickel-catalyzed vinylation of 2-azaallyl anions is advanced for the first time. This method affords diverse vinyl aryl methyl amines with high enantioselectivities, which are frequently occurring scaffolds in natural products and medications. This C–H functionalization method can also be extended to the synthesis of enantioenriched 1,3-diamine derivatives by employing suitably elaborated vinyl bromides.
2-氮杂烯丙基阴离子独特的对映选择性镍催化的乙烯基化首次得到推进。该方法提供了具有高对映选择性的各种乙烯基芳基甲基胺,它们是天然产物和药物中经常出现的支架。通过使用适当精制的乙烯基溴,这种CH功能化方法还可以扩展到对映体富集的1,3-二胺衍生物的合成。该方法成功的关键是鉴定Ni / chiraphos催化剂体系和还原性较小的2-氮杂烯丙基阴离子,所有这些都比背景自由基反应更有利于阴离子乙烯基化途径。望远镜克级合成和产品衍生化研究证实了该方法的可扩展性和合成潜力。