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Title: Aminocatalyzed reactions of aldehydes with chiral nitroalkenes
Author: Cascales Jiménez, Victor
Carneros García, Héctor
Castro Álvarez, Alejandro
Costa i Arnau, Anna M.
Vilarrasa i Llorens, Jaume
Keywords: Reaccions d'addició
Addition reactions
Issue Date: 11-Jan-2021
Publisher: American Chemical Society
Abstract: Chiral nitroalkenes are used for the first time in Michael additions of aldehydes, catalyzed by pyrrolidine derivatives. They yield the same major stereoisomer with either (S)-proline or (R)-proline, but this asymmetric induction does not overcome the effect of sterically more congested catalysts. Nitrocyclobutane intermediates are often formed, which are more stable than those from (E)-1-nitro-2-phenylethene. The cyclobutanes and final products were characterized by 2D NMR and chemical correlations
Note: Versió postprint del document publicat a:
It is part of: Organic Letters, 2021, vol. 23, num. 3, p. 651-655
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ISSN: 1523-7060
Appears in Collections:Articles publicats en revistes (Química Inorgànica i Orgànica)

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