Potential application of palladium nanoparticles as selective recyclable hydrogenation catalysts |
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Authors: | DebKumar Mukherjee |
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Institution: | (1) Department of Chemistry, Ramsaday College, Amta, Howrah, Kolkata, West Bengal, 711 401, India |
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Abstract: | The search for more efficient catalytic systems that might combine the advantages of both homogeneous (catalyst modulation)
and heterogeneous (catalyst recycling) catalysis is one of the most exciting challenges of modern chemistry. More recently
with the advances of nanochemistry, it has been possible to prepare soluble analogues of heterogeneous catalysts. These nanoparticles
are generally stabilized against aggregation into larger particles by electrostatic or steric protection. Herein we demonstrate
the use of room temperature ionic liquid for the stabilization of palladium nanoparticles that are recyclable catalysts for
the hydrogenation of carbon–carbon double bonds and application of these catalysts to the selective hydrogenation of internal
or terminal C=C bonds in unsaturated primary alcohols. The particles suspended in room temperature ionic liquid show no metal
aggregation or loss of catalytic activity even on prolonged use. |
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Keywords: | Nanoparticles Hydrogenation Agglomeration Turn over frequency Ionic liquids |
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