Diastereoselective, lanthanide-catalysed, inverse electron-demand diels-alder (IEDDA) reactions of 3-carbomethoxy-2-pyrone (3-CMP) derivatives
作者:István E Markó、Graham R Evans
DOI:10.1016/s0040-4039(00)77028-6
日期:1994.4
Cycloaddition reactions between the chiral 2-pyrone derivatives 3 and various dienophiles, catalysed by lanthanide shift reagents, afford bicyclic lactones 8 in high diastereomeric excesses.