Sánchez Mellado, PráxedesHernández Juárez, MartínRendón Márquez, NuriaLópez Serrano, JoaquínÁlvarez González, EleuterioPaneque Sosa, MargaritaSuárez Escobar, Andrés Luis2022-10-262022-10-262018Sánchez 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.1477-92261477-9234https://hdl.handle.net/11441/138366Iridium 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.application/pdf11 p.engAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccesshttps://doi.org/10.1039/C8DT03951H