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Formation of C−X Bonds Through Stable Low-Electron Count Cationic Pt(IV) Alkyl Complexes Stabilized by N-Heterocyclic Carbenes

 

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Opened Access Formation of C−X Bonds Through Stable Low-Electron Count Cationic Pt(IV) Alkyl Complexes Stabilized by N-Heterocyclic Carbenes
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Autor: Rivada Wheelaghan, Orestes
Roselló Merino, Marta
Díez, Josefina
Maya Díaz, Celia María
López Serrano, Joaquín
Conejero, Salvador
Departamento: Universidad de Sevilla. Departamento de Química Inorgánica
Fecha: 2014
Publicado en: Organometallics, 33 (21), 5944-5947.
Tipo de documento: Artículo
Resumen: Cationic five-coordinate Pt(IV) alkyl complexes stabilized by bulky N-heterocyclic carbenes have been isolated and fully characterized. Related species have been postulated as key intermediates in carbon–heteroatom coupling reactions and most particularly in Shilov-type chemistry. The alkyl groups exhibit a pronounced electrophilic character and can undergo nucleophilic addition of pyridine, bromide, or iodide to form new carbon–heteroatom bonds. Nevertheless, direct reductive coupling to form C–X bonds can be operative in the absence of an external nucleophile source.
Cita: Rivada Wheelaghan, O., Roselló Merino, M., Díez, J., Maya Díaz, C.M., López Serrano, J. y Conejero, S. (2014). Formation of C−X Bonds Through Stable Low-Electron Count Cationic Pt(IV) Alkyl Complexes Stabilized by N-Heterocyclic Carbenes. Organometallics, 33 (21), 5944-5947.
Tamaño: 254.8Kb
Formato: PDF

URI: https://hdl.handle.net/11441/78704

DOI: 10.1021/om500881k

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