1993
DOI: 10.1002/cite.330650515
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Selektive Hydrierung ungesättigter Modellverbindungen mit solvensstabilisierten Palladium‐Kolloidkatalysatoren

Abstract: Die katalytische Hydrierung ungesattigter Verbindungen ist eine der altesten und am besten untersuchten Katalysereaktionen. Industriell werden uberwiegend heterogene Katalysatoren wie z. B. Tragerkatalysatoren (Palladium auf Aktivkohle), Skelettkatalysatoren (Raney-Nickel) oder Metalloxidkatalysatoren (Kupferchromoxid) verwendet. Seit 1938 ist durch Arbeiten von M. Calvin auch die homogenkatalysierte Hydrierung bekannt . Wahrend die vollstandige Hydrierung einer oder mehrerer C-C-Mehrfachbindungen in der Regel… Show more

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Cited by 19 publications
(8 citation statements)
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“…Furthermore, dienes, alkynes, and diolefinic fatty acids have been selectively hydrogenated in propylene carbonate with a Pd−colloid catalyst. The selective hydrogenation has been accomplished at room temperature and ambient hydrogen pressure . The Pd catalyst is stabilized by propylene carbonate.…”
Section: Catalysis In Organic Carbonatesmentioning
confidence: 99%
See 1 more Smart Citation
“…Furthermore, dienes, alkynes, and diolefinic fatty acids have been selectively hydrogenated in propylene carbonate with a Pd−colloid catalyst. The selective hydrogenation has been accomplished at room temperature and ambient hydrogen pressure . The Pd catalyst is stabilized by propylene carbonate.…”
Section: Catalysis In Organic Carbonatesmentioning
confidence: 99%
“…The selective hydrogenation has been accomplished at room temperature and ambient hydrogen pressure. 320 The Pd catalyst is stabilized by propylene carbonate. This stabilizing effect is illustrated in Figure 61.…”
Section: Colloids Heterogeneous and Biocatalysismentioning
confidence: 99%
“…Metal clusters attract considerable interest for basic research due to their potential regarding new technologies for advanced materials and applications such as in catalysis. Single nanoclusters may survive in high vacuum for some time, but macroscopic visible amounts of nanoclusters need to be stabilized by protective colloids: polymers, surfactants, or solvents. , Clearly, the protectiveness is closely related to the generation, stability, quality, and application of the clusters.…”
Section: Introductionmentioning
confidence: 99%
“…[28][29][30] Reports on metal nanoparticles in organic carbonates are rare and appear to be of accidental coincidence for Pd-NPs. [31][32][33][34] Here we demonstrate that PC can generally stabilize small M-NPs (<5 nm).…”
Section: Introductionmentioning
confidence: 51%
“…25c-e Hydrogenation of cyclohexene and 1-hexyne Organic carbonates have recently been used as solvents in catalysis, e.g., for platinum-catalyzed hydrosilylation of unsaturated fatty acid esters 35 in Pd-catalyzed substitution reactions, 36 regioselective rhodium-catalyzed hydroformylation 37 and in the asymmetric iridium-catalyzed hydrogenation of olefins. 2,38 Palladium colloids in PC were used to hydrogenate dienes and alkynes 31,32 and for Heck-reactions. 33 The weak interactions between a nanoparticle and organic carbonates could be of interest to develop more efficient catalyst processes.…”
Section: M-np Synthesis and Characterizationmentioning
confidence: 99%