Ambivalent Role of Rotamers in Cyclic(alkyl)(amino)carbene Ruthenium Complexes for Enantioselective Ring-Opening Cross- Metathesis - Aix-Marseille Université Accéder directement au contenu
Article Dans Une Revue Organometallics Année : 2023

Ambivalent Role of Rotamers in Cyclic(alkyl)(amino)carbene Ruthenium Complexes for Enantioselective Ring-Opening Cross- Metathesis

Thomas Vives

Résumé

The development of highly efficient enantioselective olefin metathesis catalysts is a significant challenge. Using optically pure chiral cyclic (alkyl)(amino)carbene (ChiCAAC) ligands combined with preliminary mechanistic insights and density functional theory (DFT) computations, we show that catalytic performances in this field can be impaired by the formation of rotamers before the enantio-determining step. Using DFT, we also demonstrate that these results can help accelerate the process of ligand discovery by providing faster methods to discriminate potential candidates.

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Chimie
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Dates et versions

hal-04087525 , version 1 (30-01-2024)

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Jennifer Morvan, François Vermersch, Ziyun Zhang, Thomas Vives, Thierry Roisnel, et al.. Ambivalent Role of Rotamers in Cyclic(alkyl)(amino)carbene Ruthenium Complexes for Enantioselective Ring-Opening Cross- Metathesis. Organometallics, 2023, 42 (6), pp.495-504. ⟨10.1021/acs.organomet.3c00054⟩. ⟨hal-04087525⟩
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