Zinc-promoted, iridium catalyzed reductive alkylation of primary amines with aliphatic ketones in aqueous medium
作者:Renato A. da Silva、Lothar W. Bieber
DOI:10.1016/j.tetlet.2009.11.107
日期:2010.1
The reductive alkylation of primary aromatic and aliphaticamines with aliphatic ketones has been achieved in aqueous acidic medium using commercially available, non-activated zinc dust catalyzed by a very small quantity of iridium bromide. Anilines react well in aqueous formic acid, whereas monoalkylamines require 1,4-dioxane as a co-solvent and sulfuric acid as the proton source. A plausible mechanism