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Characterization of the Key Intermediates of Carbene‐Catalyzed Umpolung by NMR Spectroscopy and X‐Ray Diffraction: Breslow Intermediates,Homoenolates, and Azolium Enolates |
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| Authors: | Prof?Dr Albrecht Berkessel Veera Reddy Yatham Silvia Elfert Dr Jörg‐M Neudörfl |
| Institution: | Cologne University, Department of Chemistry, Greinstrasse 4, 50939 Cologne (Germany) http://www.berkessel.de |
| Abstract: | |
| Keywords: | carbenes NMR spectroscopy reaction mechanisms umpolung X‐ray diffraction |