Artículo
Catalytic cross-coupling of diazo compounds with coinage metal-based catalysts: An experimental and theoretical study
Autor/es | Rivilla, Iván
Sameera, W.M.C. Álvarez González, Eleuterio Díaz-Requejo, M. Mar Maseras, Feliu Pérez, Pedro J. |
Fecha de publicación | 2013 |
Fecha de depósito | 2018-09-28 |
Publicado en |
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Resumen | We examined the ability of TpxM (Tpx = hydrotris(pyrazolyl)borate ligand; M = Cu and Ag) and IPrMCl (IPr = 1,3-bis(diisopropylphenyl)imidazol-2-ylidene; M = Cu, Ag, Au) complexes as catalyst precursors for the cross-coupling ... We examined the ability of TpxM (Tpx = hydrotris(pyrazolyl)borate ligand; M = Cu and Ag) and IPrMCl (IPr = 1,3-bis(diisopropylphenyl)imidazol-2-ylidene; M = Cu, Ag, Au) complexes as catalyst precursors for the cross-coupling of diazo compounds. Experimental data showed that the metal centre can be tuned with the appropriate selection of the ligand to yield either the homo- or hetero-coupling (cross-coupling) products. A computational study of the reaction mechanism allowed the rationalization of the experimental reactivity patterns, and the identification of the key reaction step controlling the selectivity: the initial reaction between the metallocarbene intermediate and one of the diazo compounds. |
Identificador del proyecto | TQ2011-28942-CO2-01
CTQ2011-2703 Consolider Ingenio 2010 CSD2006-000 P10-FQM-0629 2009SGR-205 |
Cita | Rivilla, I., Sameera, W.M.C., Álvarez González, E., Díaz-Requejo, M.M., Maseras, F. y Pérez, P.J. (2013). Catalytic cross-coupling of diazo compounds with coinage metal-based catalysts: An experimental and theoretical study. Dalton Transactions, 42, 4132-4138. |
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