A convenient route towards novel H8-1,1′-bis-(dibenzofuran-2-ol) derivatives and evaluation of their use as chiral auxiliaries
作者:Hans Kelgtermans、Liliana Dobrzańska、Luc Van Meervelt、Wim Dehaen
DOI:10.1016/j.tet.2011.03.077
日期:2011.5
A novel bidentate ligand, H-8-BIFOL, was successfully prepared and resolved starting from readily available reagents. The reactivity and selectivity was evaluated in the alkynylation of benzaldehyde. resulting in ee's up to 56%. (C) 2011 Elsevier Ltd. All rights reserved.