Palladium-catalyzed asymmetric allylic alkylation of a-aryl ketones
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Quaternary centers can be created asymmetrically in high enantiomeric excess by the proper choice of ligand and metal cation in the Pd-catalyzed asymmetric allylic alkylation of a-aryl ketones. A broad range of ketone enolates can be tolerated in the reaction, as illustrated by the synthesis of conformationally constrained ß-tetralone in 96% ee (see scheme, DBU = 1,8-diazabicyclo[5.4.0]undec-7-ene).
|Journal||Angewandte Chemie International Edition|
|Number of pages||4|
|Publication status||Published - 16 Sep 2002|