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Título: | Silver-Free Gold-Catalyzed Heterocyclizations through Intermolecular H-Bonding Activation |
Autor: | Elías-Rodríguez, Pilar; Matador, Esteban; Benítez, Manuel; Tejero, Tomás CSIC ORCID; Díez, Elena; Fernández, Rosario; Merino, Pedro CSIC ORCID ; Monge, David; Lassaletta, José M. CSIC ORCID | Palabras clave: | Silver-Free Gold-Catalyzed Heterocyclizations Intermolecular H-Bonding |
Fecha de publicación: | 26-ene-2023 | Editor: | ACS Publications | Citación: | Journal of Organic Chemistry 88:2487-2492(2023) | Resumen: | Modulable monosulfonyl squaramides have been shown to exert activation of gold(I) chloride complexes through H-bonding in an intermolecular way. Combinations of (PPh3)AuCl or IPrAuCl complexes and an optimal sulfonyl squaramide cocatalyst bearing two 3,5-bis(trifluoromethyl)phenyl groups efficiently catalyzed diverse heterocyclizations and a cyclopropanation reaction, avoiding in all cases undesired side reactions. Computational studies indicate that the Au-Cl bond breaks by transligation to the triple bond in a ternary complex formed by the actual AuCl···HBD catalyst and the substrate. | Versión del editor: | https://pubs.acs.org/doi/epdf/10.1021/acs.joc.2c02932 | URI: | http://hdl.handle.net/10261/355212 | DOI: | 10.1021/acs.joc.2c02932 | ISSN: | 0022-3263 |
Aparece en las colecciones: | (IIQ) Artículos |
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