No abstract

488 J. Huskens et al. / Chiral induction in Ian thanide(II1)-alkoxide-catalysedAbstract. The reduction of acetophenone using a chiral catalyst, prepared in situ by adding a chiral dihydroxy compound to a solution of a lanthanide(II1) alkoxide, was studied. The highest enantiomeric excess (ee) (32%) was observed with La(O'Bu), as the catalyst and 1,2 : 5,6-di-O-isopropyhdene-D-mannitol as the chiral ligand. With pinacolone as the substrate, an ee of 22% was obtained.

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