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Enantioselective N‐Heterocyclic Carbene Catalyzed Bis(enoate) Rauhut–Currier Reaction
Authors:Song Bae  Changhe Zhang  Rachel M. Gillard  David W. Lupton
Abstract:While the enantioselective Rauhut–Currier reaction is established with bis(enone) substrates, it is yet to be reported with less electrophilic bis(enoate) substrates. By exploiting high‐nucleophilicity N‐heterocyclic carbenes, it is possible to achieve Rauhut–Currier reactions with these substrates. The reaction is demonstrated with a range of intramolecular reactions (20 examples) and six esterification/RC reaction cascades, which all proceed with high enantioselectivity (most >93:7 er).
Keywords:Bis(enoate)  Cumarine  Enantioselektive Katalyse  N-Heterocyclische Carbene  Rauhut-Currier-Reaktion
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