Synergistic copper-TEMPO catalysis of intermolecular vicinal diamination of styrenes
作者:Shiue-Shien Weng、Kun-Yi Hsieh、Zih-Jian Zeng、Jia-Wei Zhang
DOI:10.1016/j.tetlet.2017.01.015
日期:2017.2
A copper-catalyzed, 2,2,6,6-tetramethyl piperidine N-oxy radical-assisted intermolecular diamination of styrenes with N-fluorobenzenesulfonimide has been developed. The current protocol proved amenable to a diverse array of styrenes via cascade radical addition to readily afford synthetically useful aromatic vicinal diamines with exclusive diastereoselectivity.
已经开发了铜催化的2,2,6,6-四甲基哌啶N-氧自由基辅助的苯乙烯与N-氟代苯磺酰亚胺的分子间胺化反应。事实证明,本方案可通过级联自由基加成反应,适用于各种苯乙烯,以易于提供合成上有用的具有非对映选择性的芳族邻二胺。