Well-Defined Aryl-FeII Complexes in Cross-Coupling and C-H Activation Processes
Herein we explore the intrinsic organometallic reactivity of iron embedded in a tetradentate N3C macrocy-clic ligand scaffold that allows the stabilization of aryl-Fe species, which are key intermediates in Fe-catalyzed cross-coupling and C-H functionalization processes. This study covers C-H activa...
| Autores: | , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2021 |
| País: | España |
| Institución: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositorio: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:10256/19537 |
| Acceso en línea: | http://hdl.handle.net/10256/19537 |
| Access Level: | acceso abierto |
| Palabra clave: | Catalitzadors organometàl·lics Organometallic catalysts Reactivitat (Química) Reactivity (Chemistry) |
| Sumario: | Herein we explore the intrinsic organometallic reactivity of iron embedded in a tetradentate N3C macrocy-clic ligand scaffold that allows the stabilization of aryl-Fe species, which are key intermediates in Fe-catalyzed cross-coupling and C-H functionalization processes. This study covers C-H activation reactions using MeLH and FeCl2, biaryl C-C coupling product formation through reaction with Gri-gnard reagents, and cross-coupling reactions using MeLBr or HLBr in combination with Fe0(CO)5. Synthesis under light irradiation and moderate heating (50 ºC) affords aryl-FeII complexes [FeII(Br)(MeL)(CO)] (1Me) and [FeII(HL)(CO)2]Br (1H). Exhaustive spectroscopic characterization of these rare low spin diamagnetic species, including their crystal struc-tures, allowed the investigation of their intrinsic reactivity |
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