Highly diastereo- and enantioselective Michael addition of 3-substituted benzofuran-2(3H)-ones to 4-oxo-enoates catalyzed by lanthanide(III) complexes.

Highly diastereo- and enantioselective Michael addition of 3-substituted benzofuran-2(3H)-ones to 4-oxo-enoates catalyzed by lanthanide(III) complexes.