SCHEDULED MAINTENANCE
Several amino acid ligands were introduced into the Hoveyda–Grubbs 2nd generation complex by a facile anionic ligand exchange. The chiral pre-catalysts obtained displayed enantioselectivity in asymmetric ring-closing and ring-opening cross-metathesis reactions. Reduction of the lability of the carboxylate ligands was found to be cardinal for improving the observed enantiomeric product enrichment.
E. Ivry, A. Ben-Asuly, I. Goldberg and N. G. Lemcoff, Chem. Commun., 2015, 51, 3870 DOI: 10.1039/C5CC00052A
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