A novel type of catalysts for asymmetric oxidative coupling of 2-naphthol |
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| Authors: | V A Larionov S M Peregudova V I Maleev Yu N Belokon |
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| Institution: | 1.A. N. Nesmeyanov Institute of Organoelement Compounds,Russian Academy of Sciences,Moscow,Russian Federation |
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| Abstract: | Stereochemically inert, positively charged chiral octahedral complexes of CoIII and CrIII were used as catalysts for asymmetric oxidative coupling of 2-naphthol. The reaction product 1,1´-bi-2-naphthol was produced with a yield of up to 74% and enantiomeric excess of up to 22%. The reduction and oxidation potentials of a series of CoIII and CrIII cationic complexes were measured. |
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