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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 8
BKCSDE 31(8)
August 20, 2010 

Palladium Nanoparticles Suspended in an Ionic Liquid as Reusable Catalyst for Alkyne Semihydrogenation
Jin Kyu Lee, Dae Won Kim, Minserk Cheong, Hyunjoo Lee, Byung Won Cho, Hoon Sik Kim*, DebKumar Mukherjee*
Palladium, Nanoparticles, Semihydrogenation, Ionic liquid, Lindlar catalyst
The reaction of PdCl2 dispersed in tetra-n-butylammonium bromide with tributyl amine at 120 oC under argon leads to stable isolable nanometric particles. X-ray diffraction analysis of the material indicated that it is constituted of Pd(0). Transmission electron microscopy analysis of the particles dispersed in acetone shows the mean particle size distribution (4 ± 1 nm). The isolated palladium nanoparticles can be dispersed in an ionic liquid or in methanol or used in solventless condition for selective hydrogenation of 2-hexyne under mild reaction conditions(0.2 MPa and 20 oC). The commercial variety of the Lindlar catalyst was also studied for comparative investigations.
2195 - 2200
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