First Amidocarbonylation with Nitriles for the Synthesis of <i>N</i>-Acyl Amino Acids
作者:M. Beller
DOI:10.1055/s-1999-2524
日期:1999.1
Efficient Ligand-Free, Palladium-Catalyzed Amidocarbonylation in Ionic Liquids: Facile Synthesis of <i>N</i>-Acyl-<font>α</font>-arylglycines
作者:Qing-Lu Zhao、Min Yang、Lai-Lai Wang
DOI:10.1080/00397910802369588
日期:2008.11.13
Abstract A ligand-free, palladium-catalyzedamidocarbonylation reaction of aromatic aldehyde, acetamide, and CO in ionic liquids [C4mim]PF6, [C6mim]PF6, [C8mim]PF6, and [C6mim]BF4 as solvents is developed. The yields decreased in the order [C6mim]PF6 > [C8mim]PF6 > [C4mim]PF6 > [C6mim]BF4, and substrate concentration affected the catalytic activity of amidocarbonylation. The excellent yield with up