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Asymmetric alkynylation of imines by cooperative hydrogen bonding and metal catalysis

AuthorsArmas, Pedro de ; Tejedor, David ; García-Tellado, Fernando
KeywordsAsymmetric catalysis
Brønsted acids
Cooperative catalysis
Transition metals
Issue Date1-Feb-2010
PublisherJohn Wiley & Sons
CitationAngewandte Chemie - International Edition 49(6): 1013-1016 (2010)
AbstractSimple and practical: The asymmetric alkynylation of imines has been revolutionized with two nice examples of a novel model of H-bonding asymmetric metal catalysis with Brønsted acids. The catalytic model comprises two well-differenti-ated and parallel catalytic cycles: one involving metallic alkynylydes (metal catalysis) and the other one using a chiral Brønsted acid (organocatalysis; see scheme; PG = protecting group).
Publisher version (URL)https://doi.org/10.1002/anie.200906018
Identifiersdoi: 10.1002/anie.200906018
issn: 1433-7851
e-issn: 1521-3773
Appears in Collections:(IPNA) Artículos
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