A Convenient Route to Enantiomerically Pure 2-Substituted Methyl Glycerate Derivatives
作者:Steven V. Ley、Patrick Michel、Claudio Trapella
DOI:10.1021/ol035567+
日期:2003.11.1
[reaction: see text] The lithium enolate of a butanediacetal-protected glycerate derivative undergoes efficient and diastereoselective alkylation to afford a new fully substituted stereogenic center. These compounds may be elaborated to stable 2-substituted glyceraldehyde derivatives.
Catalytic FeCl3 in acetic acid has been employed as a cost-effective, low-toxicity reagent for the removal of butane 1,2-diacetal protecting groups under mild conditions.