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Publicaciones > Altarejos et al
Enantioselective Copper-Catalyzed Synthesis of Trifluoromethyl-Cyclopropylboronates.
1. Universidad de Alcalá, Departamento de Química Orgánica y Química Inorgánica,, Alcalá de Henares 28805, Spain. 2. Instituto de Investigación Química Andrés Manuel del Río (IQAR), Universidad de Alcalá, Alcalá de Henares 28805, Spain. 3. Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid 28034, Spain.
Abstract
A copper-catalyzed enantioselective cyclopropanation involving trifluorodiazoethane in the presence of alkenyl boronates has been developed. This transformation enables the preparation of 2-substituted-3-(trifluoromethyl)cyclopropylboronates with high levels of stereocontrol. The products are valuable synthetic intermediates by transformation of the boronate group. This methodology can be applied to the synthesis of novel trifluoromethylated analogues of trans-2-arylcyclopropylamines, which are prevalent motifs in biologically active compounds.
