Complexes formed between lanthanide trichlorides and 2,6-bis(substituted-2-
oxazolin-2 yl)pyridine (pybox) ligands are effective catalysts for the enan
tioselective addition of trimethylsilylcyanide (TMSCN) to a range of aldehy
des. (C) 1999 Elsevier Science Ltd. All rights reserved.