Tuning catalyst performance in asymmetric carbene transfer toward CF3-cyclopropenes
Résumé
In this issue of Chem Catalysis, Zhang, Ma, Marek, et al. report a highly enantioselective carbene-transfer reaction of 2,2,2-trifluorodiazoethane (CF3CHN2) and challenging disubstituted alkynes. Key to the success of this approach is the fine-tuning of chiral dirhodium(II) carboxylate paddlewheel complexes featuring a molecule of dioxane as achiral axial ligand.
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