Asymmetric transfer hydrogenation of electron-deficient olefins is realized with nickel catalysts supported by strongly σ-donating bisphosphines. Deuterium labeling experiments point to a reaction sequence of formate decarboxylation, asymmetric hydride insertion and non-stereoselective protonation of resulting nickel enolates.
S. Guo, P. Yang and J. (. Zhou, Chem. Commun., 2015, 51, 12115 DOI: 10.1039/C5CC01632K
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