Asymmetric Transfer Hydrogenation of Prochiral Ketones in Aqueous Media with New Water-Soluble Chiral Vicinal Diamine as Ligand
作者:Yaping Ma、Hui Liu、Li Chen、Xin Cui、Jin Zhu、Jingen Deng
DOI:10.1021/ol0345125
日期:2003.6.1
text] An easily accessible water-soluble chiral o-sulfonated 1,2-diphenylethlenediamine 2 and its mono-N-tosylated derivative 3 were synthesized for the first time. The ruthenium-complex-catalyzed reduction of prochiralketones in aqueous media has been examined by using 3 as ligand and sodium formate as the source of hydrogen. The asymmetrictransferhydrogenation of omega-bromo acetophenones was achieved