Cover Picture: Asymmetric Intramolecular Crossed-Benzoin Reactions by N-Heterocyclic Carbene Catalysis (Angew. Chem. Int. Ed. 9/2006)

Enantioselective intramolecular crossed‐benzoin reactions can be effected by using chiral N‐heterocyclic carbene catalysts. The tetracyclic chiral carbene catalyst shown in the cover picture enables the reaction to proceed with formation of only one enantiomer of the α‐hydroxy‐substituted tetralones...

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Bibliographic Details
Published inAngewandte Chemie International Edition Vol. 45; no. 9; p. 1327
Main Authors Enders, Dieter, Niemeier, Oliver, Balensiefer, Tim
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 20.02.2006
WILEY‐VCH Verlag
Subjects
asymmetric synthesis
benzoin reaction
heterocycles
homogeneous catalysis
N-heterocyclic carbenes
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Summary:Enantioselective intramolecular crossed‐benzoin reactions can be effected by using chiral N‐heterocyclic carbene catalysts. The tetracyclic chiral carbene catalyst shown in the cover picture enables the reaction to proceed with formation of only one enantiomer of the α‐hydroxy‐substituted tetralones. D. Enders and co‐workers disclose the development of the quaternary stereocenters in the organocatalytic reaction in their Communication on page 1463 ff.
Bibliography:istex:1EE96E1BA74ADD378BB9292E0DA7E6DE740A6243
ark:/67375/WNG-PFR84M0H-D
ArticleID:ANIE200690029
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200690029