Asymmetric reduction of ketones with ruthenium-oxazoline based catalysts

New chiral oxazoline-based ruthenium(II) complexes have been synthetized and fully characterised. The corresponding grafted catalysts were prepared by anchoring the complexes onto SiO 2 or Pd/SiO 2 supports. 13C CP-MAS NMR and XPS spectroscopies showed that the organometallic complexes remained unch...

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Veröffentlicht in:	Journal of molecular catalysis. A, Chemical Chemical, 2008-05, Vol.287 (1), p.142-150
Hauptverfasser:	Debono, Nathalie, Pinel, Catherine, Jahjah, Rabih, Alaaeddine, Ali, Delichère, Pierre, Lefebvre, Frédéric, Djakovitch, Laurent
Format:	Artikel
Sprache:	eng
Schlagworte:	Bisoxazolines Catalysis Chemical Sciences Chemistry Environment and Society Environmental Sciences Exact sciences and technology General and physical chemistry Ruthenium Supported catalysts Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Transfer hydrogenation
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Beschreibung
Zusammenfassung:	New chiral oxazoline-based ruthenium(II) complexes have been synthetized and fully characterised. The corresponding grafted catalysts were prepared by anchoring the complexes onto SiO 2 or Pd/SiO 2 supports. 13C CP-MAS NMR and XPS spectroscopies showed that the organometallic complexes remained unchanged when they were deposited on the support. High activity and enantioselectivity in the reduction of acetophenone were achieved with some homogeneous complexes.
ISSN:	1381-1169 1873-314X
DOI:	10.1016/j.molcata.2008.03.012