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Synlett 1999; 1999(11): 1814-1816
DOI: 10.1055/s-1999-2939
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Chiral Bis(N-tosylamino)phosphine- and TADDOL-Phosphite-Oxazolines as Ligands in Asymmetric Catalysis

Robert Hilgraf* , Andreas Pfaltz
  • *Department of Chemistry, University of Basel, St. Johanns-Ring 19, CH-4056 Basel, Switzerland; Fax +41-61 2 67-11 03; E-mail: pfaltz@ubaclu.unibas.ch
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Publication Date:
31 December 1999 (online)

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A series of P,N-ligands containing a chiral oxazoline ring and a chiral bis(N-tosylamino)phosphine group derived from a 1,2-diamine or a chiral cyclic phosphite group derived from TADDOL has been prepared. These compounds proved to be efficient ligands for enantiocontrol of palladium-catalyzed allylic alkylations and iridium-catalyzed hydrogenations of olefins.

asymmetric catalysis - chiral P,N-ligands - allylic alkylation - Ir-catalyzed hydrogenation