Regio- and Enantioselective Iridium-Catalyzed Amination of Racemic Branched Alkyl-Substituted Allylic Acetates with Primary and Secondary Aromatic and Heteroaromatic Amines
作者:Seung Wook Kim、Leyah A. Schwartz、Jason R. Zbieg、Craig E. Stivala、Michael J. Krische
DOI:10.1021/jacs.8b12152
日期:2019.1.9
enantioselective Tsuji-Trost-type aminations of racemic branched alkyl-substituted allylic acetates using primary or secondary (hetero)aromatic amines. Specifically, in the presence of ( S)-Ir-II (5 mol%) in DME solvent at 60-70 °C, α-methyl allyl acetate 1a (100 mol%) reacts with primary (hetero)aromatic amines 2a-2l (200 mol%) or secondary (hetero)aromatic amines 3a-3l (200 mol%) to form the branched products
Madrahimov, Sherzod T.; Markovic, Dean; Hartwig, John F., Journal of the American Chemical Society, 2009, vol. 131, p. 7228 - 7229
作者:Madrahimov, Sherzod T.、Markovic, Dean、Hartwig, John F.
DOI:——
日期:——
Cooperative Catalysis by Palladium and a Chiral Phosphoric Acid: Enantioselective Amination of Racemic Allylic Alcohols
作者:Debasis Banerjee、Kathrin Junge、Matthias Beller
DOI:10.1002/anie.201405511
日期:2014.11.24
Cooperativecatalysis by [Pd(dba)2] and the chiralphosphoricacid BA1 in combination with the phosphoramidite ligand L8 enabled the efficient enantioselectiveamination of racemicallylicalcohols with a variety of functionalized amines. This catalytic protocol is highly regio‐ and stereoselective (up to e.r. 96:4) and furnishes valuable chiral amines in almost quantitative yield.