Abstract
AbstractA series of cheap and easily accessible heteroarylidenemalonate‐derived bis(oxazoline) ligands 1 and 2 were synthesized and their copper(II) complexes were applied to the catalytic Friedel–Crafts reaction between indoles and diethyl alkylidenemalonates, Excellent asymmetric enantioselectivities were afforded for the S‐enantiomer (up to >99% ee) in isobutyl alcohol, and the R‐enantiomer (up to 96.5% ee) in dichloromethane.
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