The deracemisation of fourfold stereogenic cobalt(III) diketonates with a chiral photocatalyst is described. With only 0.5 mol% menthyl Ru(bpy) photocatalyst, an enantiomeric enrichment of up to 88 : 12 e.r. was obtained for the major meridional diastereomers. Moreover, a distribution of configurationally stable diastereomers distinct from the thermodynamic ratio was observed upon reaching the photostationary state.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9623447 | PMC |
| http://dx.doi.org/10.1039/d2cc05196f | DOI Listing |
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Photocatalytic deracemisation of cobalt(III) complexes with fourfold stereogenicity.
Chem Commun (Camb)
November 2022
Department of Chemistry, University of Basel, St. Johanns-Ring 19, Basel CH-4056, Switzerland.
The deracemisation of fourfold stereogenic cobalt(III) diketonates with a chiral photocatalyst is described. With only 0.5 mol% menthyl Ru(bpy) photocatalyst, an enantiomeric enrichment of up to 88 : 12 e.
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