ChemInform Abstract: Asymmetric Cyclopropanation Catalyzed by Chiral Cobalt(II) Complexes from (1R)-3-Hydroxymethylenebornane-2-thione.
Abstract
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ChemInform Abstract
The cyclopropanation of the olefins (I) with ethyl diazoacetate (II) catalyzed by a chiral cobalt complex leads to the formation of (III) and (IV).