Highly asymmetric Henry reaction catalyzed by chiral copper(II) complexes
作者:Bukuo Ni、Junpeng He
DOI:10.1016/j.tetlet.2012.11.053
日期:2013.2
Two chiral pyridinylmethyl diphenylprolinolsilyl ether derivatives have been synthesized from N-alkylation of (S)-diphenylprolinolsilyl ether in a single step. They were successfully applied as ligands in the Cu(II)-catalyzed enantioselective Henryreaction between aldehydes and nitromethane in ethanol at room temperature. A variety of chiralHenry products β-nitroalcohols were obtained in good to