作者:Urs Hengartner、Antoinette Chougnet、Kegang Liu、Wolf-D. Woggon
DOI:10.1002/chem.200902754
日期:2010.1.25
Abstractα‐Tocopherol was synthesized from a chiral intermediate α‐hydroxy ester by means of two ring‐closing methods to yield the chromanol in 94 % diastereomeric excess.