Ie. Marko et al., REMARKABLE EFFECT OF BASIC LIGANDS IN THE LANTHANIDE-CATALYZED ENANTIOSELECTIVE CYCLOADDITIONS OF 3-CARBOMETHOXY-2-PYRONE (3-CMP), Tetrahedron letters, 38(24), 1997, pp. 4269-4272
The key-role of basic ligands in attaining high enantiomeric excess in
the lanthanide catalysed asymmetric cycloadditions of 3-CMP is report
ed, A model, rationalising all our previous observations is discussed.
(C) 1997 Elsevier Science Ltd.