Journal
CHEMSUSCHEM
Volume 4, Issue 1, Pages 104-111Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201000280
Keywords
magnetic separation; nanoparticles; ruthenium; supported catalysts; synthetic methods
Funding
- Spanish MICINN [CTQ2006-08485/BQU, CTQ2009-08746/BQU, CTQ2010-14796/BQU, CSD2007-00006]
- Gobierno del Principado de Asturias (FICYT) [IB08-036]
- MICINN
- European Social Fund
- Ramon y Cajal
- King Abdullah University of Science and Technology (KAUST)
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A ruthenium-arene-PTA (RAPTA) complex has been supported for the first time on an inorganic solid, that is, silica-coated ferrite nanoparticles. The resulting magnetic material proved to be a general, very efficient and easily reusable catalyst for three synthetically useful organic transformations; selective nitrile hydration, redox isomerization of allylic alcohols, and heteroannulation of (Z)-enynols. The use of low metal concentration, environmentally friendly water as a reaction medium, with no use at all of organic solvent during or after the reactions, and microwaves as an alternative energy source renders the synthetic processes reported herein truly green and sustainable.
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