First examples of the catalytic asymmetric ring-opening of meso 1,2-dioxines utilising cobalt(ii) complexes with optically active tetradentate Schiff baseligands: formation of enantio-enriched cyclopropanes
Abstract
The combination of chiral cobalt β-ketoiminato or cobalt salen complexes and meso 1,2-dioxines leads to catalytic asymmetric ring-opening affording enantio-enriched cis
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