Brüllingen E, Neudörfl JM, Goldfuss B. Ligand's electronegativity controls the sense of enantioselectivity in BIFOP-X palladium-catalyzed allylic alkylations.
NEW J CHEM 2019. [DOI:
10.1039/c9nj02798j]
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Abstract
Palladium-catalyzed allylic alkylations of Na(CH(CO2Me)2 with 1,3-diphenylallyl acetate, employing BIFOP-X (X = H, D, Cl, CN, N3) ligands, yield the C–C coupling product (up to 91% yield, 70% ee). A NBO effect reveals a change of stereochemistry.
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