Hydrogenation without H2 Using a Palladium Membrane Flow Cell

Continuous flow hydrogenation using polysilane-supported palladium/alumina hybrid catalysts

Continuous flow systems for hydrogenation using polysilane-supported palladium/alumina (Pd/(PSi-Al(2)O(3))) hybrid catalysts were developed. Our original Pd/(PSi-Al(2)O(3)) catalysts were used successfully in these systems and the hydrogenation of unsaturated C-C bonds and a nitro group, deprotection of a carbobenzyloxy (Cbz) group, and a dehalogenation reaction proceeded smoothly. The catalyst...

Palladium-catalyzed asymmetric hydrogenation of functionalized ketones.

[reaction: see text]. A novel catalytic system for asymmetric hydrogenation of functionalized ketones has been developed using a Pd/bisphosphine complex as the catalyst in 2,2,2-trifluoroethanol. The reaction exhibits high enantioselectivity, and up to 92.2% ee was obtained.

Catalytic membrane reactor for the selective hydrogenation of edible oil: Platinum versus Palladium catalyst

Discontinuous Palladium Nanostructures for H2 Sensing

Resistive based hydrogen sensing, for safety applications for example, usually involves the reversible conversion of palladium (Pd) into palladium hydride (PdH0,7). This chemical conversion induces a resistivity change while the sensitive material changes from metal to semi-metal state in presence of hydrogen. H2 sensing relies on the measurement of the resistivity changes in the palladium base...

Heterogeneous hydrogenation reactions using a continuous flow high pressure device.

Several hydrogenation reactions involving O-debenzylations, aromatic nitro group reductions and reductive dethionations were investigated under continuous flow conditions in a novel, laboratory scale hydrogenation device that combines endogeneous hydrogen generation and heterogeneous Pd/C or Raney-Ni catalyst cartridges. The hydrogenation of organic compounds through addition and/or hydrogenoly...