Asymmetric Organocatalytic Synthesis of <i>cis</i>-Substituted Dihydrobenzofuranols via Intramolecular Aldol Reactions
作者:Dieter Enders、Oliver Niemeier、Leo Straver
DOI:10.1055/s-2006-956454
日期:2006.12
The diastereo- and enantioselective synthesis of 3-hydroxy 2,3-dihydrobenzofurans via an intramolecular cis-selective aldol reaction employing proline-type organocatalysts is described enabling a new entry to coumarine natural products.