Abstract

The palladium-catalyzed asymmetric sulfonylation of allylic substrates rac- 7a,b and rac- 8a,b in the presence of the chiral phosphino-oxazoline ligand 3a gave the allylic sulfones 9a and 9b with ee-values of 59% and 88%, respectively, in high yield. In the presence of ligand ent- 3b the enantiomeric allylic sulfones ent- 9a and ent- 9b were obtained with ee-values of 57% and 93% in high yield.

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