The First Transformation of Aliphatic <i>α</i><i>,</i><i>β</i>-Epoxyamides into <i>α</i>-Hydroxyamides
作者:José M. Concellón、Eva Bardales
DOI:10.1021/ol035757k
日期:2003.12.1
[GRAPHICS]A general synthesis of aliphatic alpha-hydroxyamides with total regioselectivity by a reductive cleaveage of the C-beta-O bond of aliphatic alpha,beta-epoxyamides, promoted by samarium diiodide and MeOH, is described. The treatment of enantiopure aliphatic alpha,beta-epoxyamides afforded enantiomerically enriched aliphatic alpha-hydroxyamides. A radical mechanism has been proposed to explain this reaction.