Ruthenium-on-Carbon-Catalyzed Facile Solvent-Free Oxidation of Alcohols: Efficient Progress under Solid–Solid (Liquid)–Gas Conditions

Park, Kwihwan; Jiang, Jing; Yamada, Tsuyoshi; Sajiki, Hironao

doi:10.1248/cpb.c21-00749

Cited by 4 publications

(1 citation statement)

References 47 publications

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“…Solvent‐free reactions (hydrogenation, Suzuki‐Miyaura coupling, and oxidation reaction) using heterogeneous PGMs on carbon as a catalyst has been reported [6] . For solvent‐free hydrogenation [6a] and oxidation, [6b] it was revealed that these reactions proceeded via the solid‐solid‐gas phase. The 5% Ru/C‐catalyzed solvent‐free hydrogenation also proceeded via the solid‐solid‐gas phase because the reaction temperature (80 °C) was lower than the melting points of the reactions and products ( 1 : ca.…”

Section: Resultsmentioning

confidence: 99%

Highly Selective Synthesis of cis‐2,2,4,4‐Tetramethylcyclobutane‐1,3‐diol via Solvent‐Free Hydrogenation and Isomerization

Park

Furusato²,

Furugen

et al. 2022

Asian J Org Chem

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Section: Resultsmentioning

confidence: 99%

Highly Selective Synthesis of cis‐2,2,4,4‐Tetramethylcyclobutane‐1,3‐diol via Solvent‐Free Hydrogenation and Isomerization

Park

Furusato²,

Furugen

et al. 2022

Asian J Org Chem

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Direct Synthesis of Unprotected Indolines Through Intramolecular sp³ C−H Amination Using Nitroarenes as Aryl Nitrene Precursors

Sirvinskaite,

Nardo,

Müller

et al. 2023

Chemistry A European J

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Given the prevalence of molecules containing nitro groups in organic synthesis, innovative methods to expand the reactivity of this functional group are of interest in both industrial and academic settings. In this report, a metal‐free intramolecular benzylic sp3 C–H amination is disclosed using aryl nitro compounds as aryl nitrene precursors. Organosilicon reagent N,N’‐bis(trimethylsilyl)‐4,4’‐bipyridinylidene (Si‐DHBP) served as an efficient reductant in the transformation, enabling the in situ generation of aryl nitrene species for the direct, metal‐free synthesis of unprotected 2‐arylindolines from the corresponding nitroarene compounds.

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Brønsted‐Acidic Mesoporous Beta Zeolite H‐MBeta Catalyzes the Conversion of Benzhydrol into Diphenylmethane and Diphenyl Ketone

Jia,

Geng,

Wang

et al. 2024

ChemistrySelect

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Developing a highly efficient catalytic system for the transformation of benzhydrol to simultaneously form diphenylmethane and diphenyl ketone is an attractive strategy in modern organic synthesis. In this work, acidic mesoporous Beta (H‐MBeta) zeolite successfully catalyzed the dismutation of the benzhydrol to yield equivalent amounts of diphenylmethane and diphenyl ketone under mild conditions. Combining X‐ray diffraction, N2‐adsorption, ammonia temperature programmed desorption, pyridine‐adsorbed infrared spectra, scanning electron microscopy and transmission electron microscopy, it was found that, compared to MBeta, H‐MZSM‐5 and USY zeolite catalysts, the abundant Brønsted acidic sites on the external surface of H‐MBeta are responsible for its superior catalytic performance.

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Ruthenium-on-Carbon-Catalyzed Facile Solvent-Free Oxidation of Alcohols: Efficient Progress under Solid–Solid (Liquid)–Gas Conditions

Cited by 4 publications

References 47 publications

Highly Selective Synthesis of cis‐2,2,4,4‐Tetramethylcyclobutane‐1,3‐diol via Solvent‐Free Hydrogenation and Isomerization

Highly Selective Synthesis of cis‐2,2,4,4‐Tetramethylcyclobutane‐1,3‐diol via Solvent‐Free Hydrogenation and Isomerization

Direct Synthesis of Unprotected Indolines Through Intramolecular sp³ C−H Amination Using Nitroarenes as Aryl Nitrene Precursors

Brønsted‐Acidic Mesoporous Beta Zeolite H‐MBeta Catalyzes the Conversion of Benzhydrol into Diphenylmethane and Diphenyl Ketone

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Ruthenium-on-Carbon-Catalyzed Facile Solvent-Free Oxidation of Alcohols: Efficient Progress under Solid–Solid (Liquid)–Gas Conditions

Cited by 4 publications

References 47 publications

Highly Selective Synthesis of cis‐2,2,4,4‐Tetramethylcyclobutane‐1,3‐diol via Solvent‐Free Hydrogenation and Isomerization

Highly Selective Synthesis of cis‐2,2,4,4‐Tetramethylcyclobutane‐1,3‐diol via Solvent‐Free Hydrogenation and Isomerization

Direct Synthesis of Unprotected Indolines Through Intramolecular sp3 C−H Amination Using Nitroarenes as Aryl Nitrene Precursors

Brønsted‐Acidic Mesoporous Beta Zeolite H‐MBeta Catalyzes the Conversion of Benzhydrol into Diphenylmethane and Diphenyl Ketone

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Direct Synthesis of Unprotected Indolines Through Intramolecular sp³ C−H Amination Using Nitroarenes as Aryl Nitrene Precursors