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PhthalaPhos: Chiral Supramolecular Ligands for Enantioselective Rhodium-Catalyzed Hydrogenation Reactions

โœ Scribed by Luca Pignataro; Stefano Carboni; Monica Civera; Raffaele Colombo; Umberto Piarulli; Cesare Gennari

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
427 KB
Volume
122
Category
Article
ISSN
0044-8249

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โœฆ Synopsis

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 of Milan University for the helpful discussions on the computational studies.

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## Abstract **H bonds make the catalysts!** A single hydrogen bond between ligands coordinated to a rhodium center is critical for the formation of pure supramolecular catalysts for asymmetric hydrogenation reactions. The ester group of the amidite ligand (see scheme) also forms a hydrogen bond wit

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## Abstract **Erst die Hโ€Brรผcke macht den Katalysator!** Eine einzige Wasserstoffbrรผcke verbindet an ein Rhodiumzentrum koordinierte Liganden und erzeugt supramolekulare Katalysatoren fรผr die asymmetrische Hydrierung. Die Estergruppe des Amiditliganden (siehe Schema) bildet eine weitere Wasserstoff