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Gold(I)-catalyzed cascade cycloadditions between allenamides and carbonyl-tethered alkenes: An enantioselective approach to oxa-bridged medium-sized carbocycles

AuthorsFaustino, Helio; Alonso, Isaac; Mascareñas, José L. ; López, Fernando
Cascade reactions
Homogeneous catalysis
Issue Date2013
PublisherJohn Wiley & Sons
CitationAngewandte Chemie - International Edition 52: 6526- 6530 (2013)
AbstractGold standard: Allenamides react with aldehydes or ketones having γ, δ, or ε alkenyl groups, upon activation with suitable gold catalysts, to provide oxa-bridged systems containing seven- to nine-membered carbocycles, in a formal cascade cycloaddition. By using chiral phosphoramidite/gold or bisphosphine/gold catalysts it is possible to obtain the oxa-bridged seven- and eight-membered rings with good to high enantioselectivity. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Identifiersdoi: 10.1002/anie.201302713
issn: 1433-7851
e-issn: 1521-3773
Appears in Collections:(IQOG) Artículos
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