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Singly Hydrogen Bonded Supramolecular Ligands for Highly Selective Rhodium-Catalyzed Hydrogenation Reactions

✍ Scribed by Pierre-Alain R. Breuil; Frederic W. Patureau; Joost N. H. Reek

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
416 KB
Volume
121
Category
Article
ISSN
0044-8249

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✦ Synopsis

Abstract

Erst die H‐Brücke macht den Katalysator! Eine einzige Wasserstoffbrücke verbindet an ein Rhodiumzentrum koordinierte Liganden und erzeugt supramolekulare Katalysatoren für die asymmetrische Hydrierung. Die Estergruppe des Amiditliganden (siehe Schema) bildet eine weitere Wasserstoffbrücke zum koordinierten Substrat. Dieser Komplex ergab bei der Hydrierung einiger Estersubstrate die bislang höchsten Enantioselektivitäten.magnified image

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We thank the European Commission [RTN Network (R)Evolutionary Catalysis MRTN-CT-2006-035866] for financial support. L. Pignataro thanks Milan University for a postdoctoral fellowship ("Assegno di ricerca"). HRMS spectra were performed at CIGA (Milan University). We are grateful to Dr. Laura Belvisi

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We thank the European Commission [RTN Network (R)Evolutionary Catalysis MRTN-CT-2006-035866] for financial support. L. Pignataro thanks Milan University for a postdoctoral fellowship ("Assegno di ricerca"). HRMS spectra were performed at CIGA (Milan University). We are grateful to Dr. Laura Belvisi