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Chen C, Ikemoto S, Yokota GI, Higuchi K, Muratsugu S, Tada M. Low-temperature redox activity and alcohol ammoxidation performance on Cu- and Ru-incorporated ceria catalysts. Phys Chem Chem Phys 2024; 26:17979-17990. [PMID: 38814159 DOI: 10.1039/d4cp01432d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
Transition-metal-incorporated cerium oxides with Cu and a small amount of Ru (Cu0.18Ru0.05CeOz) were prepared, and their low-temperature redox performance (<423 K) and catalytic alcohol ammoxidation performance were investigated. Temperature-programmed reduction/oxidation under H2/O2 and in situ X-ray absorption fine structure revealed the reversible redox behavior of the three metals, Cu, Ru, and Ce, in the low-temperature redox processes. The initially reduced Ru species decreased the reduction temperature of Cu oxides and promoted the activation of Ce species. Cu0.18Ru0.05CeOz selectively catalyzed the production of benzonitrile in the ammoxidation of benzyl alcohol. H2-treated Cu0.18Ru0.05CeOz showed a slightly larger initial conversion of benzyl alcohol than O2-treated Cu0.18Ru0.05CeOz, suggesting that the reduced structure of Cu0.18Ru0.05CeOz was active for the ammoxidation. The integration of both Cu and Ru resulted in the efficient promotion of ammoxidation, in which the Ru species were involved in the conversion of benzyl alcohol and Cu species were required for selective production of benzonitrile.
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Affiliation(s)
- Chaoqi Chen
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
| | - Satoru Ikemoto
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
| | - Gen-Ichi Yokota
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
| | - Kimitaka Higuchi
- Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Satoshi Muratsugu
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
- Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Mizuki Tada
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
- Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
- Research Center for Materials Science (RCMS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8602, Japan.
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Efficient iron single-atom catalysts for selective ammoxidation of alcohols to nitriles. Nat Commun 2022; 13:1848. [PMID: 35387970 PMCID: PMC8986860 DOI: 10.1038/s41467-022-29074-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 02/18/2022] [Indexed: 11/08/2022] Open
Abstract
Zeolitic imidazolate frameworks derived Fe1-N-C catalysts with isolated single iron atoms have been synthesized and applied for selective ammoxidation reactions. For the preparation of the different Fe-based materials, benzylamine as an additive proved to be essential to tune the morphology and size of ZIFs resulting in uniform and smaller particles, which allow stable atomically dispersed Fe-N4 active sites. The optimal catalyst Fe1-N-C achieves an efficient synthesis of various aryl, heterocyclic, allylic, and aliphatic nitriles from alcohols in water under very mild conditions. With its chemoselectivity, recyclability, high efficiency under mild conditions this new system complements the toolbox of catalysts for nitrile synthesis, which are important intermediates with many applications in life sciences and industry.
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Nakarajouyphon V, Bunchuay T, Yoshinari N, Konno T, Sangtrirutnugul P. Unsymmetrical PEG-substituted tris(triazolyl)amines as bi-functional surfactants for copper-catalyzed aerobic oxidation of alcohols in water. NEW J CHEM 2022. [DOI: 10.1039/d1nj04812k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Amphiphilic tris(triazolyl)amines functionalized with poly(ethylene glycol) 1-(1-R-1H-1,2,3-triazol-4-yl)-N,N-bis((1-benzy-1H-1,2,3-triazol-4-yl)methyl)methanamine [R = PEG200 (NBBT200-OH), mPEG550 (NBBT550), mPEG2000 (NBBT2000)] were investigated as bi-functional surfactants serving as N donor ligands and surfactants for copper-catalyzed aerobic...
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Chandra P, Choudhary N, Lahiri GK, Maiti D, Mobin SM. Copper Mediated Chemo‐ and Stereoselective Cyanation Reactions. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100182] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Prakash Chandra
- School of Technology Pandit Deendayal Petroleum University Gandhinagar Gujarat 382007 India
| | - Neha Choudhary
- Department of Chemistry Indian Institute of Technology, Indore Khandwa Road Indore Simrol 453552 India
| | - Goutam K. Lahiri
- Department of Chemistry Indian Institute of Technology Bombay Mumbai Powai 400076 India
| | - Debabrata Maiti
- Department of Chemistry Indian Institute of Technology Bombay Mumbai Powai 400076 India
| | - Shaikh M. Mobin
- Department of Chemistry Indian Institute of Technology, Indore Khandwa Road Indore Simrol 453552 India
- Department of Metallurgy Engineering and Materials Science (MEMS) Indian Institute of Technology Indore Khandwa Road Indore Simrol 453552 India
- Department of Biosciences and Bio-Medical Engineering (BSBE) Indian Institute of Technology, Indore Khandwa Road Indore Simrol 453552 India
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Hazra S, Malik E, Nair A, Tiwari V, Dolui P, Elias AJ. Catalytic Oxidation of Alcohols and Amines to Value‐Added Chemicals using Water as the Solvent. Chem Asian J 2020; 15:1916-1936. [DOI: 10.1002/asia.202000299] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/20/2020] [Indexed: 01/12/2023]
Affiliation(s)
- Susanta Hazra
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Ekta Malik
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Abhishek Nair
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Vikas Tiwari
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Pritam Dolui
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Anil J. Elias
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
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Zhang G, Ma D, Zhao Y, Zhang G, Mei G, Lyu J, Ding C, Shan S. NH 3⋅H 2O: The Simplest Nitrogen-Containing Ligand for Selective Aerobic Alcohol Oxidation to Aldehydes or Nitriles in Neat Water. ChemistryOpen 2018; 7:885-889. [PMID: 30460169 PMCID: PMC6232702 DOI: 10.1002/open.201800196] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Indexed: 12/30/2022] Open
Abstract
Aqueous ammonia (NH3⋅H2O) has been shown to serve as the simplest nitrogen-containing ligand to effectively promote copper-catalyzed selective alcohol oxidation under air in water. A series of alcohols with varying electronic and steric properties were selectively oxidized to aldehydes with up to 95 % yield. Notably, by increasing the amount of aqueous ammonia in neat water, the exclusive formation of aryl nitriles was also accomplished with good-to-excellent yields. Additionally, the catalytic system exhibits a high level of functional group tolerance with -OH, -NO2, esters, and heteroaryl groups all being amenable to the reaction conditions. This one-pot and green oxidation protocol provides an important synthetic route for the selective preparation of either aldehydes or nitriles from commercially available alcohols.
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Affiliation(s)
- Guofu Zhang
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Danting Ma
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Yiyong Zhao
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Guihua Zhang
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Guangyao Mei
- Zhejiang Hongyuan Pharmaceutical Co. LtdTaizhou317016P. R. China
| | - Jinghui Lyu
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Chengrong Ding
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
| | - Shang Shan
- College of Chemical EngineeringZhejiang University of TechnologyHangzhou310014P. R. China
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