Heterogeneous Transition-Metal Catalyst for Fine Chemical Synthesis Hydrogen Auto-transfer Reaction

Chandra, Prakash; Chakroborty, Subhendu; Pal, Kaushik

doi:10.1007/s11244-022-01694-3

Cited by 4 publications

(2 citation statements)

References 144 publications

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“…Recently, transition-metal-catalyzed acceptorless dehydrogenation and borrowing hydrogen (BH) strategies have emerged as powerful tools in chemical synthesis. 6,7 These strategies are widely employed for C–C and C–N alkylation reactions. 7 Indeed, this method uses alcohols as alkylating reagents as a benign and economical alternative to alkyl halides.…”

Section: Introductionmentioning

confidence: 99%

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Divergence in CH alkylation of indoles under Mn catalysis

Mondal,

Kumar,

Suresh

et al. 2023

Catal. Sci. Technol.

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Section: Introductionmentioning

confidence: 99%

“…6,7 These strategies are widely employed for C–C and C–N alkylation reactions. 7 Indeed, this method uses alcohols as alkylating reagents as a benign and economical alternative to alkyl halides. Notably, the total number of available commercial alcohols is much higher than the number of alkyl halides.…”

Section: Introductionmentioning

confidence: 99%

Divergence in CH alkylation of indoles under Mn catalysis

Mondal,

Kumar,

Suresh

et al. 2023

Catal. Sci. Technol.

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Supported Ruthenium Phosphide as a Promising Catalyst for Selective Hydrogenation of Sugars

Popp,

Kampe,

Fritsch

et al. 2024

Eur J Inorg Chem

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This work demonstrates that ruthenium phosphides (RuP2) are attractive catalysts for selective production of alditols by sugar hydrogenation. In our studies, carbon supported RuP2 with a ruthenium content of 5 wt.‐% led to the highest activity in xylose hydrogenation and to nearly 100 % yield for xylitol. ICP‐OES and XRD measurements revealed the stability of this novel RuP2/C catalyst under typical hydrogenation conditions (50 barH2, 120 °C) in aqueous phase. Furthermore, STEM‐EDX illustrated the close proximity of ruthenium and phosphorous on the catalyst site and the formation of nanoparticles in the size of 2‐4 nm. The novel catalyst system was successfully applied for the selective hydrogenation of further sugar substrates, including glucose, fructose, and disaccharides, such as cellobiose and sucrose. Here, the RuP2/C revealed its bifunctional acidic/metallic character, enabling in a tandem reaction the hydrolysis of disaccharides, directly followed by a selective hydrogenation to form sugar alcohols in high yield.

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