Home > Articles > Published articles > Rhodium nanoflowers stabilized by a nitrogen-rich PEG-tagged substrate as recyclable catalyst for the stereoselective hydrosilylation of internal alkynes |
Date: | 2015 |
Abstract: | Morphology and size controllable rhodium nanoparticles stabilized by a nitrogen-rich polyoxyethylenated derivative have been prepared by reduction of RhCl3 with NaBH4 in water at room temperature and fully characterized. The flower-like Rh NPs are effective and recyclable catalysts for the stereoselective hydrosilylation of challenging internal alkynes and diynes, affording the (E)-vinylsilanes in quantitative yields for a wide range of substrates. The insolubility of the nanocatalyst in diethyl ether allows its easy separation and recycling. |
Grants: | Ministerio de Ciencia e Innovación CTQ2009-07881 Ministerio de Ciencia e Innovación CTQ2011-22649 Ministerio de Ciencia e Innovación CTQ2012-32436 Ministerio de Economía y Competitividad CSD2007-00006 Ministerio de Economía y Competitividad CTQ2013-46705-R Agència de Gestió d'Ajuts Universitaris i de Recerca 2009-SGR-1441 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014-SGR-1105 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014-SGR-1192 Ministerio de Educación y Ciencia RYC-2006-001425 |
Rights: | Tots els drets reservats. |
Language: | Anglès |
Document: | Article ; recerca ; Versió acceptada per publicar |
Subject: | Alkynes ; Hydrosilylation ; Polyoxyethylenated compound ; Recyclable catalyst ; Rhodium nanoparticles |
Published in: | Advanced synthesis and catalysis, Vol. 357, Issue 1 (Jan. 2015) , p. 89-99, ISSN 1615-4150 |
Post-print 6 p, 2.2 MB |