Copper Catalyzed Asymmetric Synthesis of Chiral Allylic Esters
作者:Koen Geurts、Stephen P. Fletcher、Ben L. Feringa
DOI:10.1021/ja065780b
日期:2006.12.1
reagents to 3-bromopropenyl esters 1 to provide allylic esters 2 in high yields and high chemio-, regio-, and enantioselectivities. The work demonstrates that allylic asymmetric alkylation (AAA) can be done on substrates bearing a heteroatom at the gamma-position. The method is a practical route to chiral, nonracemic allylicalcohols. The use of functionalized substrates 1 or Grignard reagents leads to