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Título: | A Cationic Rh(III) Complex That Efficiently Catalyzes Hydrogen Isotope Exchange in Hydrosilanes |
Autor: | Campos, Jesús CSIC ORCID CVN; Esqueda Oliva, Ana Cristina CSIC; López-Serrano, Joaquín CSIC ORCID CVN; Sánchez, Luis J. CSIC ORCID CVN; Cossío, Fernando P.; Cózar, Abel de; Álvarez, Eleuterio CSIC ORCID ; Maya, Celia CSIC ORCID; Carmona, Ernesto CSIC ORCID | Palabras clave: | Cyclometalated phosphine Catalyst Hydrosilanes Hydrogen Isotope |
Fecha de publicación: | 9-nov-2010 | Editor: | American Chemical Society | Citación: | Journal of the American Chemical Society 132(47): 16765-16767 (2010) | Resumen: | The synthesis and structural characterization of a mixed-sandwich (η5-C5Me5)Rh(III) complex of the cyclometalated phosphine PMeXyl2 (Xyl = 2,6-C6H3Me2) with unusual κ4-P,C,C′,C′′ coordination (compound 1-BArf; BArf = B(3,5-C6H3(CF3)2)4) are reported. A reversible κ4 to κ2 change in the binding of the chelating phosphine in cation 1+ induced by dihydrogen and hydrosilanes triggers a highly efficient Si−H/Si−D (or Si−T) exchange applicable to a wide range of hydrosilanes. Catalysis can be carried out in an organic solvent solution or without solvent, with catalyst loadings as low as 0.001 mol %, and the catalyst may be recycled a number of times. | Descripción: | 3 páginas, 2 figuras, 1 tabla, 3 esquemas. | Versión del editor: | http://dx.doi.org/10.1021/ja108521b | URI: | http://hdl.handle.net/10261/37494 | DOI: | 10.1021/ja108521b | ISSN: | 0002-7863 |
Aparece en las colecciones: | (IIQ) Artículos |
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