Browsing QO-Artigos by Author "d14d8352-7532-491f-b473-49192ed91cbd"
Now showing items 1-2 of 2
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Axially Chiral Triazoloisoquinolin-3-ylidene Ligands in Gold(I)-Catalyzed Asymmetric Intermolecular (4 + 2) Cycloadditions of Allenamides and Dienes
Francos Arias, Javier; Grande-Carmona, Francisca; Faustino, Hélio; Iglesias Sigüenza, Francisco Javier; Díez Martín, Elena; Alonso García, Isaac; Fernández Fernández, Rosario Fátima; Lassaletta, José M.; López García, Fernando; Mascareñas Cid, José Luis (American Chemical Society, 2012)The first highly enantioselective intermolecular (4 + 2) cycloaddition between allenes and dienes is reported. The reaction provides good yields of optically active cyclohexenes featuring diverse substitution patterns and ... -
Gold(I)‐Catalyzed Cascade Cycloadditions between Allenamides and Carbonyl‐Tethered Alkenes: An Enantioselective Approach to Oxa‐Bridged Medium‐Sized Carbocycles
Faustino, Hélio; Alonso García, Isaac; Mascareñas Cid, José Luis; López García, Fernando (Wiley, 2013)Gold 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 ...