1. For accelerating effects of see;ligands;Organometallics Org Chem,1999
2. For a recent study and detailed analysis of memory effects see;Jones;Lloyd Chem Eur J Lloyd Chem Commun,1998
3. A great deal of this problem appears to have been solved by now;Trost;Chem Rev
4. a For the most recent approach and similar results obtained with the bisoxazoline analogue of see Organic;Trost;Am Chem Soc Lett,1998
5. A practically identical procedure leading to the same ligand has appeared this year after the publication of our original paper q Pure For a recent review see;KOCÆ OVSKYÂ;Appl Chem Angew Chem Int Eds,1999