Anionic chiral cobalt(III) complexes as catalysts of asymmetric synthesis of cyanohydrins
Chiral coordinatively saturated cobalt(III) complexes with Schiff bases of enantio-pure amino acids are formed as Λ and Δ-isomers, which are not transformed into each other under normal conditions. These complexes catalyze the formation of enantiomerically enriched cyanohydrins from aldehydes and Me3SiCN under homo-and heterogeneous catalysis.
Key wordsenantioselective phase transfer catalysis chiral cobalt(III) complexes cyanohydrins aldehydes trimethylsilyl cyanide amino acids salens
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