参考标题:Rapid Asymmetric Synthesis Of Disubstituted Allenes By Coupling Of Flow-Generated Diazo Compounds And Propargylated Amines 作者:Jian-Siang Poh,Szabolcs Makai,Timo Von Keutz,Duc N. Tran,Claudio Battilocchio,Patrick Pasau,Steven V. Ley |发布日期:2017.2.6 摘要:We Report Herein The Asymmetric Coupling Of Flow‐generated Unstabilized Diazo Compounds And Propargylated Amine Derivatives, Using A New Pyridinebis(Imidazoline) Ligand, A Copper Catalyst And Base. The Reaction Proceeds Rapidly, Generating Chiral Allenes In 10-20 Minutes With High Enantioselectivity (89-98 % De/ee), Moderate Yields And A Wide Functional Group Tolerance.