Enantioselective Synthesis of 2,3-Dihydro-1H-benzo[b]azepines: Iridium-Catalyzed Tandem Allylic Vinylation/Amination Reaction
作者:Hu He、Wen-Bo Liu、Li-Xin Dai、Shu-Li You
DOI:10.1002/anie.200906638
日期:2010.2.15
Making azacycles: The [Ir(cod)Cl}2]/L complex efficiently catalyzes the tandem allylic vinylation and asymmetric allylic amination of (E)‐2 with ortho‐amino styrene derivatives 1 to afford the title compounds 3 with excellent enantioselectivity. cod=1,5‐cyclooctadiene, DABCO=1,4‐diazabicyclo[2.2.2]octane.
制备氮杂环化合物:[Ir(cod)Cl} 2 ] / L络合物可有效催化(E)-2的串联烯丙基乙烯基化和不对称烯丙基胺化,并带有邻氨基苯乙烯衍生物1,从而提供具有出色对映选择性的标题化合物3。cod = 1,5-环辛二烯,DABCO = 1,4-二氮杂双环[2.2.2]辛烷。