Cooperative Transition-Metal and Chiral Brønsted Acid Catalysis: Enantioselective Hydrogenation of Imines To Form Amines

Control with an iron hand: A broad range of ketimines underwent enantioselective hydrogenation in the presence of a chiral Brønsted catalyst and a well‐defined nonchiral iron catalyst (see scheme). This procedure constitutes an attractive and environmentally favorable alternative to well‐established...

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Veröffentlicht in:Angewandte Chemie International Edition Jg. 50; H. 22; S. 5120 - 5124
Hauptverfasser: Zhou, Shaolin, Fleischer, Steffen, Junge, Kathrin, Beller, Matthias
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Weinheim WILEY-VCH Verlag 23.05.2011
WILEY‐VCH Verlag
Wiley Subscription Services, Inc
Ausgabe:International ed. in English
Schlagworte:
Acids - chemistry
Amines
Amines - chemistry
asymmetric catalysis
Catalysis
Hydrogenation
imines
Imines - chemistry
iron
Iron - chemistry
organocatalysis
Oxidation-Reduction
Stereoisomerism
Transition Elements - chemistry
ISSN:1433-7851, 1521-3773, 1521-3773
Online-Zugang:Volltext
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Zusammenfassung:Control with an iron hand: A broad range of ketimines underwent enantioselective hydrogenation in the presence of a chiral Brønsted catalyst and a well‐defined nonchiral iron catalyst (see scheme). This procedure constitutes an attractive and environmentally favorable alternative to well‐established asymmetric hydrogenation reactions with precious‐metal catalysts.
Bibliographie:BMBF
istex:7358E1BCC3F6A79570E28B1AC23053FD1814E8DC
ark:/67375/WNG-4TNL95F1-V
State of Mecklenburg-Western Pomerania
DFG
This research has been funded by the State of Mecklenburg-Western Pomerania, the BMBF, and the DFG (Leibniz Prize). We thank Dr. W. Baumann, Dr. C. Fischer, S. Buchholz, S. Schareina, A. Kammer, A. Koch, and S. Rossmeisl (all at the LIKAT) for their excellent technical and analytical support.
ArticleID:ANIE201100878
This research has been funded by the State of Mecklenburg‐Western Pomerania, the BMBF, and the DFG (Leibniz Prize). We thank Dr. W. Baumann, Dr. C. Fischer, S. Buchholz, S. Schareina, A. Kammer, A. Koch, and S. Rossmeisl (all at the LIKAT) for their excellent technical and analytical support.
These authors contributed equally to this work.
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ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.201100878