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Download Bridging Heterogeneous and Homogeneous Catalysis: Concepts, by Can Li, Yan Liu PDF

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By Can Li, Yan Liu

There are major disciplines in catalysis study -- homogeneous and heterogeneous catalysis. this is often on account that the catalyst is both within the similar part (homogeneous catalysis) because the response being catalyzed or in a special section (heterogeneous catalysis). over the last decade, a number of methods were carried out to mix the benefits of homogeneous catalysis (efficiency, selectivity) with these of heterogeneous catalysis (stability, restoration) via the heterogenization of homogeneous catalysts or through accomplishing homogeneous reactions less than heterogeneous stipulations.
This specific guide fills the distance out there for an up to date paintings that hyperlinks either homogeneous catalysis utilized to natural reactions and catalytic reactions on surfaces of heterogeneous catalysts. As such, it highlights structural analogies and exhibits mechanistic parallels among the 2, whereas also featuring kinetic research tools and types that both paintings for either homogeneous and heterogeneous catalysis.
Chapters conceal uneven, emulsion, phase-transfer, supported homogeneous, and organocatalysis, in addition to in nanoreactors and for particular functions, catalytic reactions in ionic beverages, fluorous and supercritical solvents and in water. eventually, the textual content comprises computational equipment for investigating structure-reactivity kin.
With its wealth of knowledge, this priceless reference offers educational and commercial chemists with novel strategies for cutting edge catalysis research.

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Extra resources for Bridging Heterogeneous and Homogeneous Catalysis: Concepts, Strategies, and Applications

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No deactivation was observed after 10 runs, and the total TON (turnover numbers) exceeded 5000 mol mol –1 . However, in the absence of the Phen ligand, the IL-supported Pd NPs showed very poor reusable performance; for example, only 35% conversion was maintained at the second run. The deactivation was possibly caused by the aggregation of Pd NPs in the absence of Phen. Pd NPs prepared in CN-functionalized ILs were active for the selective hydrogenation of alkynes [28]. In the presence of 1 bar H2 , 3-hexyne was partially hydrogenated to the cis-alkene with 92% selectivity at full conversion.

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Based on nitroethane used. Other byproducts were not detected except for mono-alkylated product in the case of supported catalysts. c Initial formation rate of the addition products. d 24 h. 08 g of SA was used. f A byproduct was formed by cyclization reaction. 17 18 1 Acid–Base Cooperative Catalysis for Organic Reactions SA(500)-NEt2 was found to be remarkably active to afford the double alkylated product in 93% yield (entry 1). Decreasing the pretreatment temperature of silica–alumina reduced the catalytic activity of SA(T)-NEt2 (entries 1–4).

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