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The Choice of Rhodium Catalysts in [2+2+2] Cycloaddition Reaction: A Personal Account Pla i Quintana, Anna Roglans i Ribas, Anna Agencia Estatal de Investigación Reaccions d'addició Ciclització (Química) Addition reactions Ring formation (Chemistry) Catalitzadors metàl·lics de transició Transition metal catalysts [2+2+2] Cycloaddition reaction is a captivating process that assembles six-membered rings from three unsaturations with complete atom economy. Of the multiple transition metals that can be used to catalyze this reaction, rhodium offers many advantages. These include high activity and versatility, but especially the ability to easily tune the reactivity and selectivity by the modification of the ligands around the metal. In this personal account, we summarize our endeavours in the development of efficient and sustainable [2+2+2] cycloaddition reactions to prepare products of interest, develop conditions in which the catalyst can be recovered and reused, and understand the mechanistic details that govern the selectivity of the processes This research was funded by the Ministerio de Ciencia e Innovación (projects CTQ2017-85341-P, PID2020-113711GB-I00 MCIN/AEI/10.13039/501100011033) and the Generalitat de Catalunya (Project 2017-SGR-39) 2022-02-16 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion peer-reviewed http://hdl.handle.net/10256/21122 http://hdl.handle.net/10256/21122 eng info:eu-repo/semantics/altIdentifier/doi/10.3390/molecules27041332 info:eu-repo/semantics/altIdentifier/eissn/1420-3049 info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTQ2017-85341-P/ES/AVANCES EN LA REACTIVIDAD DE FULLERENOS Y NANOTUBOS: ESTUDIOS TEORICO-EXPERIMENTALES DE CICLACIONES CATALIZADAS POR METALES DE TRANSICION/ info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-113711GB-I00/ES/DISEÑO Y SINTESIS DE FULLERENOS PARA LA CONSTRUCCION DE CELDAS SOLARES HIBRIDAS DE PEROVSKITA Y FULERENOS D ALTO RENDIMIENTO. UN ENFOQUE EXPERIMENTAL Y COMPUTACIONAL SINERGICO/ Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess application/pdf MDPI (Multidisciplinary Digital Publishing Institute) Molecules, 2022, vol. 27, núm. 4, p. 1332 Articles publicats (D-Q) Pla i Quintana, Anna Roglans i Ribas, Anna 2022 The Choice of Rhodium Catalysts in [2+2+2] Cycloaddition Reaction: A Personal Account Molecules 27 4 1332