Chiral bis(oxazolinylphenyl)amines proved to be efficient auxiliary ligands for iron and cobalt catalysts with high activity for asymmetric hydrosilylation of ketones and asymmetric conjugate hydrosilylation of enones.

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Asymmetric Iron-Catalyzed Hydrosilane Reduction of Ketones: Effect of Zinc Metal upon the Absolute Configuration. -The (S,S)-BOPA/FeCl2 complex (II) is activated in the presence of Zn and affords the (S)-configurated alcohol. In contrast, the mixed-catalyst system of BOPA (I) and Fe(OAc)2 provides the (R)-enantiomer. -(INAGAKI, T.; ITO, A.; ITO, J.-I.; NISHIYAMA*, H.; Angew. Chem., Int. Ed. 49 (2010) 49, 9384-9387, http://dx.