Artículo
Hydroboration of carbon dioxide with catechol- and pinacolborane using an Ir–CNP* pincer complex. Water influence on the catalytic activity
Autor/es | Sánchez Mellado, Práxedes
Hernández Juárez, Martín Rendón Márquez, Nuria López Serrano, Joaquín Álvarez González, Eleuterio Paneque Sosa, Margarita Suárez Escobar, Andrés Luis |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2018 |
Fecha de depósito | 2022-10-26 |
Publicado en |
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Resumen | Iridium complexes based on deprotonated lutidine-derived CNP* pincers 2a/2b selectively catalyzed the
hydroboration of CO2 under mild conditions (1–2 bar CO2, 30 °C) to methoxyborane using HBcat (TOF
up to 56 h−1
) and ... Iridium complexes based on deprotonated lutidine-derived CNP* pincers 2a/2b selectively catalyzed the hydroboration of CO2 under mild conditions (1–2 bar CO2, 30 °C) to methoxyborane using HBcat (TOF up to 56 h−1 ) and to the formate level with HBpin (TOF up to 1245 h−1 ). Interestingly, an intriguing, positive water effect on the reaction rates has been observed. NMR spectroscopy and ESI-MS analysis of the hydroboration reactions have shown the formation of ligand-protonated [Ir(CNP)(CO)(BR2)H][B(R2)2] (R2 = catecholate, pinacolate) derivatives under catalytic conditions. Control experiments, however, have demonstrated that these derivatives are not catalytically competent species in the hydroboration of CO2. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) |
Identificador del proyecto | CTQ2016-80814-R
CTQ2016-81797-REDC |
Cita | Sánchez Mellado, P., Hernández Juárez, M., Rendón Márquez, N., López Serrano, J., Álvarez González, E., Paneque Sosa, M. y Suárez Escobar, A.L. (2018). Hydroboration of carbon dioxide with catechol- and pinacolborane using an Ir–CNP* pincer complex. Water influence on the catalytic activity. Dalton, 47, 16766-16776. https://doi.org/10.1039/C8DT03951H. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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revised_manuscript.pdf | 388.7Kb | [PDF] | Ver/ | Es versión aceptada del artículo publicado. |