Efficient heterogeneous catalytic system for chemoselective hydrogenation of unsaturated ketones in aqueous medium

TitleEfficient heterogeneous catalytic system for chemoselective hydrogenation of unsaturated ketones in aqueous medium
Publication TypeJournal Article
Year of Publication2010
AuthorsDeshmukh, AA, Kinage, AK, Kumar, R, Meijboom, R
JournalPolyhedron
Volume29
Issue17
Pagination3262-3268
Date PublishedNOV
ISSN0277-5387
Keywords1 10 Phenanthroline, alpha beta Unsaturated ketone, Chemoselective hydrogenation, mesoporous materials, ruthenium
Abstract

A highly chemoselective and green heterogeneous catalytic system of immobilized Ru(II)-phenanthroline complexes on amino functionalised MCM-41 material for the chemoselective hydrogenation of unsaturated ketones to unsaturated alcohols is demonstrated using water as a solvent The XRD and FTIR spectra show the highly ordered hexagonal nature of the MCM-41 even after encapsulation of the ruthenium complex The complex retains its configuration after anchoring as was confirmed by FTIR and UV-Vis analysis The detailed reaction parametric effect was studied for the hydrogenation of 3 methylpent-3-en-2-one to achieve complete conversion up to >99% chemoselectivity of 3-methylpent-3-en-2 ol The anchored heterogeneous catalysts were recycled effectively and reused five times with marginal changes in activity and selectivity The use of water as a solvent not only afforded high activity for the hydroge nation reaction compared to organic solvents but also afforded a green process Crown Copyright (C) 2010 Published by Elsevier Ltd All rights reserved

DOI10.1016/j.poly.2010.09.006
Type of Journal (Indian or Foreign)Foreign
Impact Factor (IF)2.033
Divison category: 
Catalysis and Inorganic Chemistry