Enantioswitchable Catalysts for the Asymmetric Transfer Hydrogenation of Aryl Alkyl Ketones
作者:Alexey B. Zaitsev、Hans Adolfsson
DOI:10.1021/ol062227q
日期:2006.10.1
ruthenium-catalyzed reduction of ketones under hydrogentransfer conditions. In addition, in most cases, a switch of the product's absolute configuration was observed on going from amides to the corresponding thioamides. Under optimized conditions, we obtained the secondary alcohol products in high yield and enantioselectivity (up to 97% ee) using only 0.25 mol % catalyst loading. [structure: see text]