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Rhodium nanoflowers stabilized by a nitrogen-rich PEG-tagged substrate as recyclable catalyst for the stereoselective hydrosilylation of internal alkynes
Guo, Wusheng (Universitat Autònoma de Barcelona. Departament de Química)
Pleixats i Rovira, Roser (Universitat Autònoma de Barcelona. Departament de Química)
Shafir, Alexandr (Universitat Autònoma de Barcelona. Departament de Química)
Parella Coll, Teodor (Universitat Autònoma de Barcelona. Departament de Química)

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

DOI: 10.1002/adsc.201400740


Post-print
6 p, 2.2 MB

The record appears in these collections:
Articles > Research articles
Articles > Published articles

 Record created 2016-06-08, last modified 2021-10-07



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