Ie. Marko et Gr. Evans, EFFICIENT LANTHANIDE CATALYSIS IN THE DIELS-ALDER CYCLOADDITION OF ELECTRON-DEFICIENT 2-PYRONES, Synlett, (6), 1994, pp. 431-433
Lanthanide Shift Reagents have been shown to be efficient catalysts fo
r the Inverse Electron Demand Diels-Alder (IEDDA) cycloaddition of 3-C
arbomethoxy-2-pyrone (3-CMP) with a range of dienophiles.