1
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Bray JM, Stephens SM, Weierbach SM, Vargas K, Lambert KM. Recent advancements in the use of Bobbitt's salt and 4-acetamidoTEMPO. Chem Commun (Camb) 2023; 59:14063-14092. [PMID: 37946555 DOI: 10.1039/d3cc04709a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Recent advances in synthetic methodologies for selective, oxidative transformations using Bobbitt's salt (4-acetamido-2,2,6,6-tetramethyl-1-oxopiperidinium tetrafluoroborate, 1) and its stable organic nitroxide counterpart ACT (4-acetamidoTEMPO, 4-acetamido-2,2,6,6-tetramethylpiperidine-1-oxyl, 2) have led to increased applications across a broad array of disciplines. Current applications and mechanistic understanding of these metal-free, environmentally benign, and easily accessible organic oxidants now span well-beyond the seminal use of 1 and 2 in selective alcohol oxidations. New synthetic methodologies for the oxidation of alcohols, ethers, amines, thiols, C-H bonds and other functional groups with 1 and 2 along with the field's current mechanistic understandings of these processes are presented alongside our contributions in this area. Exciting new areas harnessing the unique properties of these oxidants include: applications to drug discovery and natural product total synthesis, the development of new electrocatalytic methods for depolymerization of lignin and modification of other biopolymers, in vitro and in vivo nucleoside modifications, applications in supramolecular catalysis, the synthesis of new polymers and materials, enhancements in the design of organic redox flow batteries, uses in organic fuel cells, applications and advancements in energy storage, the development of electrochemical sensors, and the production of renewable fuels.
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Affiliation(s)
- Jean M Bray
- Department of Chemistry and Biochemistry, Old Dominion University, 4501 Elkhorn Ave, Norfolk, VA 23529, USA.
| | - Shannon M Stephens
- Department of Chemistry and Biochemistry, Old Dominion University, 4501 Elkhorn Ave, Norfolk, VA 23529, USA.
| | - Shayne M Weierbach
- Department of Chemistry and Biochemistry, Old Dominion University, 4501 Elkhorn Ave, Norfolk, VA 23529, USA.
| | - Karen Vargas
- Department of Chemistry and Biochemistry, Old Dominion University, 4501 Elkhorn Ave, Norfolk, VA 23529, USA.
| | - Kyle M Lambert
- Department of Chemistry and Biochemistry, Old Dominion University, 4501 Elkhorn Ave, Norfolk, VA 23529, USA.
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2
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Abstract
Nitroxides, also known as nitroxyl radicals, are long-lived or stable radicals with the general structure R1R2N-O•. The spin distribution over the nitroxide N and O atoms contributes to the thermodynamic stability of these radicals. The presence of bulky N-substituents R1 and R2 prevents nitroxide radical dimerization, ensuring their kinetic stability. Despite their reactivity toward various transient C radicals, some nitroxides can be easily stored under air at room temperature. Furthermore, nitroxides can be oxidized to oxoammonium salts (R1R2N═O+) or reduced to anions (R1R2N-O-), enabling them to act as valuable oxidants or reductants depending on their oxidation state. Therefore, they exhibit interesting reactivity across all three oxidation states. Due to these fascinating properties, nitroxides find extensive applications in diverse fields such as biochemistry, medicinal chemistry, materials science, and organic synthesis. This review focuses on the versatile applications of nitroxides in organic synthesis. For their use in other important fields, we will refer to several review articles. The introductory part provides a brief overview of the history of nitroxide chemistry. Subsequently, the key methods for preparing nitroxides are discussed, followed by an examination of their structural diversity and physical properties. The main portion of this review is dedicated to oxidation reactions, wherein parent nitroxides or their corresponding oxoammonium salts serve as active species. It will be demonstrated that various functional groups (such as alcohols, amines, enolates, and alkanes among others) can be efficiently oxidized. These oxidations can be carried out using nitroxides as catalysts in combination with various stoichiometric terminal oxidants. By reducing nitroxides to their corresponding anions, they become effective reducing reagents with intriguing applications in organic synthesis. Nitroxides possess the ability to selectively react with transient radicals, making them useful for terminating radical cascade reactions by forming alkoxyamines. Depending on their structure, alkoxyamines exhibit weak C-O bonds, allowing for the thermal generation of C radicals through reversible C-O bond cleavage. Such thermally generated C radicals can participate in various radical transformations, as discussed toward the end of this review. Furthermore, the application of this strategy in natural product synthesis will be presented.
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Affiliation(s)
- Dirk Leifert
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149 Münster, Germany
| | - Armido Studer
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149 Münster, Germany
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Enhanced Catalytic Activity of TEMPO-Mediated Aerobic Oxidation of Alcohols via Redox-Active Metal-Organic Framework Nodes. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020593. [PMID: 36677651 PMCID: PMC9865133 DOI: 10.3390/molecules28020593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/26/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023]
Abstract
Metal-organic frameworks (MOFs) are outstanding platforms for heterogeneous catalysis due to their tunable pore size, huge surface area, large porosity, and potential active sites. The design and synthesis of MOF/organocatalyst co-catalytic systems have attracted considerable interest owing to their high catalytic activity, low toxicity, and mild reaction conditions. Herein, we reported the synthesis of a bifunctional TEMPO-IsoNTA organocatalyst featuring a pyridyl group as an anchoring site and a TEMPO radical as a catalytic active site. By using the topologically isomorphic structures of MIL-101(Fe) and MIL-101(Cr) as co-catalysts, these MOF/TEMPO-IsoNTA systems enable the efficient aerobic oxidation of various alcohols to their corresponding aldehydes or ketones under mild conditions. Notably, the MIL-101(Fe)/TEMPO-IsoNTA system exhibits superior catalytic activity, thanks to their redox-active FeIII-oxo nodes, which facilitate the regeneration of TEMPO-IsoNTA. Our research not only solves the problem of potential heavy metal contamination in the TEMPO-based homogeneous catalytic system, but also enriches the understanding of synergism of MOFs/organocatalysts.
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Bio-inspired lanthanum-ortho-quinone catalysis for aerobic alcohol oxidation: semi-quinone anionic radical as redox ligand. Nat Commun 2022; 13:428. [PMID: 35058479 PMCID: PMC8776754 DOI: 10.1038/s41467-022-28102-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 01/04/2022] [Indexed: 11/29/2022] Open
Abstract
Oxidation reactions are fundamental transformations in organic synthesis and chemical industry. With oxygen or air as terminal oxidant, aerobic oxidation catalysis provides the most sustainable and economic oxidation processes. Most aerobic oxidation catalysis employs redox metal as its active center. While nature provides non-redox metal strategy as in pyrroloquinoline quinone (PQQ)-dependent methanol dehydrogenases (MDH), such an effective chemical version is unknown. Inspired by the recently discovered rare earth metal-dependent enzyme Ln-MDH, here we show that an open-shell semi-quinone anionic radical species in complexing with lanthanum could serve as a very efficient aerobic oxidation catalyst under ambient conditions. In this catalyst, the lanthanum(III) ion serves only as a Lewis acid promoter and the redox process occurs exclusively on the semiquinone ligand. The catalysis is initiated by 1e--reduction of lanthanum-activated ortho-quinone to a semiquinone-lanthanum complex La(SQ-.)2, which undergoes a coupled O-H/C-H (PCHT: proton coupled hydride transfer) dehydrogenation for aerobic oxidation of alcohols with up to 330 h−1 TOF. A decade ago the first rare-earth-metal dependent enzyme was discovered, in which a non-redox lanthanide ion is central in the active site of a methanol dehydrogenase. Inspired by this discovery, here the authors show that an open-shell semi-quinone anionic radical species, complexed with lanthanum, could serve as a very efficient aerobic oxidation catalyst under ambient conditions.
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Zheng P, Liu J, Zhang X, Chen L, Ma L, Zhang Q. Facile synthesis of a nano titanium catalyst and its performance in selective oxidation of aromatic and pyridinic alcohols under visible light. REACT CHEM ENG 2022. [DOI: 10.1039/d2re00180b] [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
The oxidation of alcohols to the corresponding carbonyl compounds is of great significance in chemical synthesis and fine chemical production.
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Affiliation(s)
- Peng Zheng
- Key Laboratory of Renewable Energy, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jianguo Liu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Xinghua Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Lungang Chen
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Longlong Ma
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Qi Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
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Ying S, Huang X, Guo X, Yang S. The sequential C–H oxidation/asymmetric phosphonylation of primary alcohols to synthesize α-hydroxy phosphonates. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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7
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Nutting JE, Mao K, Stahl SS. Iron(III) Nitrate/TEMPO-Catalyzed Aerobic Alcohol Oxidation: Distinguishing between Serial versus Integrated Redox Cooperativity. J Am Chem Soc 2021; 143:10565-10570. [PMID: 34232661 DOI: 10.1021/jacs.1c05224] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Aerobic alcohol oxidations catalyzed by transition metal salts and aminoxyls are prominent examples of cooperative catalysis. Cu/aminoxyl catalysts have been studied previously and feature "integrated cooperativity", in which CuII and the aminoxyl participate together to mediate alcohol oxidation. Here we investigate a complementary Fe/aminoxyl catalyst system and provide evidence for "serial cooperativity", involving a redox cascade wherein the alcohol is oxidized by an in situ-generated oxoammonium species, which is directly detected in the catalytic reaction mixture by cyclic step chronoamperometry. The mechanistic difference between the Cu- and Fe-based catalysts arises from the use iron(III) nitrate, which initiates a NOx-based redox cycle for oxidation of aminoxyl/hydroxylamine to oxoammonium. The different mechanisms for the Cu- and Fe-based catalyst systems are manifested in different alcohol oxidation chemoselectivity and functional group compatibility.
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Affiliation(s)
- Jordan E Nutting
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Kaining Mao
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Shannon S Stahl
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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Gopalsamy Selvaraj G, Selvarasu U, Manickam D, Karthikeyan P. Selective alcohol oxidation catalysed BY FeCl3 /novel glycine functionalised IONIC liquid. J INDIAN CHEM SOC 2021. [DOI: 10.1016/j.jics.2021.100099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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9
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Lagerspets E, Valbonetti E, Eronen A, Repo T. A new catalytic approach for aerobic oxidation of primary alcohols based on a Copper(I)-thiophene carbaldimines. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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10
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Karimi B, Ghaffari B, Vali H. Synergistic catalysis within core-shell Fe 3O 4@SiO 2 functionalized with triethylene glycol (TEG)-imidazolium ionic liquid and tetramethylpiperidine N-oxyl (TEMPO) boosting selective aerobic oxidation of alcohols. J Colloid Interface Sci 2021; 589:474-485. [PMID: 33486283 DOI: 10.1016/j.jcis.2020.12.111] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 12/25/2020] [Accepted: 12/26/2020] [Indexed: 12/14/2022]
Abstract
HYPOTHESIS It is expected that incorporation of 2, 2, 6, 6-tetra-methyl piperidine-N-oxyl radical (TEMPO) and an imidazolium bromide bearing hydrophilic triethylene glycol (TEG) groups on Fe3O4@SiO2 core-shell may not only result in a novel highly water-dispersible/magnetically separable multi-functional catalyst system for metal-free aerobic oxidation of alcohols, which operates through a synergistic relay pathway, but it could potentially provide a strong platform for simultaneous separation and recycling of all components. EXPERIMENTS The catalyst was prepared by anchoring TEMPO moieties onto a magnetic core-shell Fe3O4@SiO2 functionalized with an ionic liquid bearing TEG groups. The materials was characterized using transmission electron microscopy, Fourier transform infrared spectroscopy, nitrogen adsorption-desorption isotherms, thermal gravimetric analysis, and elemental analysis. The performance of the catalyst was evaluated and quantitatively measured in the aerobic oxidation of alcohols in water. FINDINGS The catalyst exhibited excellent and stable colloidal dispersion in water and high performance in the aerobic oxidation of various types of alcohols under metal- and halogen-free reaction conditions. As hypothesized, strong synergistic effect between functionalized components was seen in the described reaction. The catalyst displayed excellent dual-adjustable-selectivity in the oxidation of primary alcohols to either the corresponding aldehydes or carboxylic acids by tuning the reaction solvent and/or reaction time and excellent recycling behavior through a "double-separation-strategy".
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Affiliation(s)
- Babak Karimi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), No. 444, Prof. Yousef Sobouti Boulevard, P.O. Box 45195-1159, Zanjan 45137-66731, Iran; Research Centre for Basic Sciences & Modern Technologies (RBST), Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran.
| | - Bahareh Ghaffari
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), No. 444, Prof. Yousef Sobouti Boulevard, P.O. Box 45195-1159, Zanjan 45137-66731, Iran
| | - Hojatollah Vali
- Department of Anatomy and Cell Biology and Facility for Electron Microscopy Research, McGill University, Montreal, Quebec H3A 2A7, Canada
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11
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Sadiq S, Sadiq M, Saeed K, Rehman NU, Ali Q. Correlation of thermal conductivity with the catalytic activity of nanoparticles: the oxidation of benzyl alcohol. REACTION KINETICS MECHANISMS AND CATALYSIS 2020. [DOI: 10.1007/s11144-020-01784-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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12
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Affiliation(s)
- Sushobhan Mukhopadhyay
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; Sector 10, Jankipuram Extension; Sitapur Road Lucknow 226031 Uttar Pradesh India
| | - Sanjay Batra
- Medicinal and Process Chemistry Division; CSIR-Central Drug Research Institute; Sector 10, Jankipuram Extension; Sitapur Road Lucknow 226031 Uttar Pradesh India
- Academy of Scientific and Innovative Research; CSIR - Human Resource Development Centre, (CSIR-HRDC) Campus, Sector 19; Kamla Nehru Nagar Ghaziabad 201002 Uttar Pradesh India
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13
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Crystal structures and magnetic properties of nitroxide radical-coordinated copper(II) and cobalt(II) complexes. TRANSIT METAL CHEM 2019. [DOI: 10.1007/s11243-018-00297-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Jiang X, Liu J, Ma S. Iron-Catalyzed Aerobic Oxidation of Alcohols: Lower Cost and Improved Selectivity. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.8b00374] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xingguo Jiang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Jinxian Liu
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 38 Zheda Road, Hangzhou 310027, P. R. China
| | - Shengming Ma
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, P. R. China
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 38 Zheda Road, Hangzhou 310027, P. R. China
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15
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Beejapur HA, Zhang Q, Hu K, Zhu L, Wang J, Ye Z. TEMPO in Chemical Transformations: From Homogeneous to Heterogeneous. ACS Catal 2019. [DOI: 10.1021/acscatal.8b05001] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Hazi Ahmad Beejapur
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Qi Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Kecheng Hu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Li Zhu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Jianli Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang Province Key Laboratory of Biofuel, Biodiesel Laboratory of China Petroleum and Chemical Industry Federation, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Zhibin Ye
- Department of Chemical and Materials Engineering, Concordia University, Montreal, Quebec H3G 1M8, Canada
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16
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Jana S, Thomas J, Sen Gupta S. Catalytic oxidation of alcohols using Fe-bTAML and NaClO: Comparing the reactivity of Fe(V)O and Fe(IV)O intermediates. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2018.10.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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17
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Kim S, Kim Y, Jin H, Park MH, Kim Y, Lee KM, Kim M. Europium‐Catalyzed Aerobic Oxidation of Alcohols to Aldehydes/Ketones and Photoluminescence Tracking. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801499] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Seongwoo Kim
- Department of Chemistry and BK21Plus Program Research TeamChungbuk National University, Cheongju Chungbuk 28644 South Korea
| | - Youngik Kim
- Department of Chemistry and BK21Plus Program Research TeamChungbuk National University, Cheongju Chungbuk 28644 South Korea
| | - Hyomin Jin
- Department of Chemistry, Institute of Molecular Science and Fusion TechnologyKangwon National University, Chuncheon Gangwon 24341 South Korea
| | - Myung Hwan Park
- Department of Chemistry EducationChungbuk National University, Cheongju Chungbuk 28644 South Korea
| | - Youngjo Kim
- Department of Chemistry and BK21Plus Program Research TeamChungbuk National University, Cheongju Chungbuk 28644 South Korea
| | - Kang Mun Lee
- Department of Chemistry, Institute of Molecular Science and Fusion TechnologyKangwon National University, Chuncheon Gangwon 24341 South Korea
| | - Min Kim
- Department of Chemistry and BK21Plus Program Research TeamChungbuk National University, Cheongju Chungbuk 28644 South Korea
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Usman M, Zhang XW, Wu D, Guan ZH, Liu WB. Application of dialkyl azodicarboxylate frameworks featuring multi-functional properties. Org Chem Front 2019. [DOI: 10.1039/c9qo00017h] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The application of dialkyl azodicarboxylates as versatile reagents in Mitsunobu, oxidation, electrophilic, amination and carbonylation reactions is reviewed.
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Affiliation(s)
- Muhammad Usman
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education
- Department of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
- Shaanxi, China
| | - Xiao-Wen Zhang
- Engineering Research Center of Organosilicon Compounds & Materials
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
| | - Di Wu
- Engineering Research Center of Organosilicon Compounds & Materials
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
| | - Zheng-Hui Guan
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education
- Department of Chemistry & Materials Science
- Northwest University
- Xi'an 710127
- Shaanxi, China
| | - Wen-Bo Liu
- Engineering Research Center of Organosilicon Compounds & Materials
- Ministry of Education
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
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19
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Direct C(sp3)-H functionalization of 2-methylazaarenes using 4-substituted-TEMPO. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Hao H, Wang Z, Shi JL, Li X, Lang X. Improving the Visible Light Photocatalytic Aerobic Oxidation of Sulfides into Sulfoxides on Dye-Sensitized TiO2. ChemCatChem 2018. [DOI: 10.1002/cctc.201801304] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Huimin Hao
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Zhan Wang
- College of Chemistry; Central China Normal University; Wuhan 430079 China
| | - Ji-Long Shi
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Xia Li
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Xianjun Lang
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
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Czepa W, Fik MA, Witomska S, Kubicki M, Consiglio G, Pawluć P, Patroniak V. Simple Schiff-Base Cu(II) Complexes as Efficient Catalysts for Benzyl Alcohol Oxidation. ChemistrySelect 2018. [DOI: 10.1002/slct.201801550] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Włodzimierz Czepa
- Faculty of Chemistry; Adam Mickiewicz University; Umultowska 89b 61614 Poznań Poland
- Center for Advanced Technologies; Adam Mickiewicz University, Umultowska 89c; 61614 Poznań Poland
| | - Marta A. Fik
- Faculty of Chemistry; Adam Mickiewicz University; Umultowska 89b 61614 Poznań Poland
| | - Samanta Witomska
- Faculty of Chemistry; Adam Mickiewicz University; Umultowska 89b 61614 Poznań Poland
- Center for Advanced Technologies; Adam Mickiewicz University, Umultowska 89c; 61614 Poznań Poland
| | - Maciej Kubicki
- Faculty of Chemistry; Adam Mickiewicz University; Umultowska 89b 61614 Poznań Poland
| | - Giuseppe Consiglio
- Department of Chemical Sciences; University of Catania, Viale Andrea Doria 6; I95125 Catania Italy
| | - Piotr Pawluć
- Faculty of Chemistry; Adam Mickiewicz University; Umultowska 89b 61614 Poznań Poland
- Center for Advanced Technologies; Adam Mickiewicz University, Umultowska 89c; 61614 Poznań Poland
| | - Violetta Patroniak
- Faculty of Chemistry; Adam Mickiewicz University; Umultowska 89b 61614 Poznań Poland
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Li Y, Xu N, Mei G, Zhao Y, Zhao Y, Lyu J, Zhang G, Ding C. Fe(NO3)3·9H2O-catalyzed aerobic oxidative deoximation of ketoximes and aldoximes under mild conditions. CAN J CHEM 2018. [DOI: 10.1139/cjc-2017-0567] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A mild, simple process for the effective aerobic oxidative deoximation of a wide range of ketoximes and aldoximes has been developed that utilizes Fe(NO3)3·9H2O as the single catalyst and molecular oxygen as the green oxidant. The environmentally benign protocol provides moderate to excellent yield and broad functional groups tolerance and is a valuable synthetic method for practical applications. According the relevant verification experiment, a plausible mechanism has been proposed.
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Affiliation(s)
- Yongshu Li
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014
| | - Nizhou Xu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014
| | - Guangyao Mei
- Zhejiang Hongyan Pharmaceutical Co., Ltd., Taizhou 317016, People’s Republic of China
| | - Yun Zhao
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014
| | - Yiyong Zhao
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014
| | - Jinghui Lyu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014
| | - Guofu Zhang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014
| | - Chengrong Ding
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014
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23
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Lagerblom K, Keskiväli J, Parviainen A, Mannisto J, Repo T. Selective Aerobic Oxidation of Alcohols with NO3
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Activated Nitroxyl Radical/Manganese Catalyst System. ChemCatChem 2018. [DOI: 10.1002/cctc.201800438] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Kalle Lagerblom
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Helsinki Finland
| | - Juha Keskiväli
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Helsinki Finland
| | - Arno Parviainen
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Helsinki Finland
| | - Jere Mannisto
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Helsinki Finland
| | - Timo Repo
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Helsinki Finland
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24
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Wang L, Bie Z, Shang S, Li G, Niu J, Gao S. Cu‐Catalyzed Aerobic Oxidation of Alcohols with a Multi‐Functional NMI‐TEMPO. ChemistrySelect 2018. [DOI: 10.1002/slct.201800398] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lianyue Wang
- Dalian National Laboratory for Clean EnergyDalian Institute of Chemical Physicsthe Chinese Academy of Sciences Dalian 116023 China
| | - Zhixing Bie
- Henan Key Laboratory of Polyoxometalate ChemistryInstitute of Molecular and Crystal EngineeringCollege of Chemistry and Chemical EngineeringHenan University Kaifeng Henan 475004 China
| | - Sensen Shang
- Dalian National Laboratory for Clean EnergyDalian Institute of Chemical Physicsthe Chinese Academy of Sciences Dalian 116023 China
| | - Guosong Li
- Dalian National Laboratory for Clean EnergyDalian Institute of Chemical Physicsthe Chinese Academy of Sciences Dalian 116023 China
| | - Jingyang Niu
- Henan Key Laboratory of Polyoxometalate ChemistryInstitute of Molecular and Crystal EngineeringCollege of Chemistry and Chemical EngineeringHenan University Kaifeng Henan 475004 China
| | - Shuang Gao
- Dalian National Laboratory for Clean EnergyDalian Institute of Chemical Physicsthe Chinese Academy of Sciences Dalian 116023 China
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25
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Kong Y, Wumaier K, Liu Y, Jiang C, Wang S, Liu L, Chang W, Li J. Cu(OAc) 2 /TEMPO Cooperative Promoted Hydroamination Cyclization and Oxidative Dehydrogenation Cascade Reaction of Homopropargylic Amines. Chem Asian J 2018; 13:46-54. [PMID: 29178594 DOI: 10.1002/asia.201701386] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 10/23/2017] [Indexed: 12/15/2022]
Abstract
A novel and efficient Cu(OAc)2 -catalyzed hydroamination cyclization and 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-mediated oxidative dehydrogenation cascade reaction of homopropargylic amines has been developed. A library of 1,2-disubstituted pyrrole derivatives were obtained in good-to-high yields in one pot with no step-by-step feeding process. This reaction involved TEMPO playing dual roles as both an oxidative dehydrogenation reagent and a ligand. An insight into the reaction mechanism was obtained by using several analytical determination methods.
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Affiliation(s)
- Yuanfang Kong
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Kediliya Wumaier
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Yingze Liu
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Chunhui Jiang
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Shuai Wang
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Lingyan Liu
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Weixing Chang
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Jing Li
- The State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Weijin Road 94#, Nankai District, Tianjin, 300071, China
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26
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Gao YL, Nishihara S, Inoue K. Synthesis, crystal structures and magnetic properties of six coordination compounds constructed with pyridine iminomethyl–TEMPO radicals and [M(hfac)2] (M = CuII and MnII). CrystEngComm 2018. [DOI: 10.1039/c8ce00061a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
We describe the crystal structures and magnetic properties of six coordination metal-(R-Py-iminomethyl-TEMPO) radical compounds.
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Affiliation(s)
- Yan-Li Gao
- Department of Chemistry
- Hiroshima University
- Higashi-Hiroshima
- Japan
| | | | - Katsuya Inoue
- Department of Chemistry
- Hiroshima University
- Higashi-Hiroshima
- Japan
- Center for Chiral Science
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27
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Lagerblom K, Lagerspets E, Keskiväli J, Cook C, Ekholm F, Parviainen A, Repo T. Practical Aerobic Oxidation of Alcohols: A Ligand-Enhanced 2,2,6,6-Tetramethylpiperidine-1-oxy/Manganese Nitrate Catalyst System. ChemCatChem 2017. [DOI: 10.1002/cctc.201700710] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Kalle Lagerblom
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Finland
| | - Emi Lagerspets
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Finland
| | - Juha Keskiväli
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Finland
| | - Chris Cook
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Finland
| | - Filip Ekholm
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Finland
| | - Arno Parviainen
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Finland
| | - Timo Repo
- Department of Chemistry; Faculty of Science, A. I. Virtasen aukio 1, 00014; University of Helsinki; P.O. Box 55 Finland
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28
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Lal RA, Kumar A, Syiemlieh I, Kurbah SD. Synthesis, characterization, and catalytic activity of a water soluble copper(II) and nickel(II) heterobimetallic complex [CuNi(μ-OH)(μ-OH2)(μ-OAc)(bpy)2](ClO4)2 in aqueous medium in the absence of a base and co-catalyst. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1358812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Ram A. Lal
- Centre for Advanced Studies, Department of Chemistry, North-Eastern Hill University, Shillong, India
| | - Arvind Kumar
- Department of Chemistry, Faculty of Science and Technology, The University of West-Indies, St. Augustine, Trinidad and Tobago
| | - Ibanphylla Syiemlieh
- Centre for Advanced Studies, Department of Chemistry, North-Eastern Hill University, Shillong, India
| | - Sunshine D. Kurbah
- Centre for Advanced Studies, Department of Chemistry, North-Eastern Hill University, Shillong, India
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29
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Aerobic oxidation of secondary alcohols in water with ABNO/tert-butyl nitrite/KPF6 catalytic system. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.01.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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30
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Rapeyko A, Arias KS, Climent MJ, Corma A, Iborra S. Polymers from biomass: one pot two-step synthesis of furilydenepropanenitrile derivatives with MIL-100(Fe) catalyst. Catal Sci Technol 2017. [DOI: 10.1039/c7cy00463j] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Monomers from biomass have been prepared from HMF and methylene active compounds through a one pot process using MIL-100(Fe)/TEMPO/NaNO2as the catalytic system.
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Affiliation(s)
- Anastasia Rapeyko
- Instituto de Tecnología Química
- Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas
- 46022 Valencia
- Spain
| | - Karen S. Arias
- Instituto de Tecnología Química
- Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas
- 46022 Valencia
- Spain
| | - Maria J. Climent
- Instituto de Tecnología Química
- Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas
- 46022 Valencia
- Spain
| | - Avelino Corma
- Instituto de Tecnología Química
- Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas
- 46022 Valencia
- Spain
| | - Sara Iborra
- Instituto de Tecnología Química
- Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas
- 46022 Valencia
- Spain
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31
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Zhang G, Xu S, Xie X, Ding C, Shan S. Direct synthesis of N-sulfinyl- and N-sulfonylimines via copper/l-proline-catalyzed aerobic oxidative cascade reaction of alcohols with sulfinamides or sulfonamides. RSC Adv 2017. [DOI: 10.1039/c6ra26490e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An efficient one-pot synthesis of N-sulfinyl- and N-sulfonylimines directly from alcohols with sulfinamides or sulfonamides.
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Affiliation(s)
- Guofu Zhang
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Shengjun Xu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Xiaoqiang Xie
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Chengrong Ding
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Shang Shan
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
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32
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Zhang Y, Huo W, Zhang HY, Zhao J. Synthesis of an oligomer ruthenium complex and its catalysis in the oxidation of alcohols. RSC Adv 2017. [DOI: 10.1039/c7ra07227a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The catalyst showed high efficiency in the oxidation of alcohols to ketones or acids and can be recycled several times.
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Affiliation(s)
- Yuecheng Zhang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130
- PR China
| | - Wenge Huo
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130
- PR China
| | - Hong-Yu Zhang
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130
- PR China
| | - Jiquan Zhao
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130
- PR China
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33
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Synthesis of a polymer–ruthenium complex Ru(pbbp)(pydic) and its catalysis in the oxidation of secondary alcohols with TBHP as oxidant. TRANSIT METAL CHEM 2016. [DOI: 10.1007/s11243-016-0112-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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34
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Lagerblom K, Wrigstedt P, Keskiväli J, Parviainen A, Repo T. Iron-Catalysed Selective Aerobic Oxidation of Alcohols to Carbonyl and Carboxylic Compounds. Chempluschem 2016; 81:1160-1165. [DOI: 10.1002/cplu.201600240] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 07/04/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Kalle Lagerblom
- Department of Chemistry; University of Helsinki; A.I. Virtasen aukio 1 P.O. Box 55 00014 Helsinki Finland
| | - Pauli Wrigstedt
- Department of Chemistry; University of Helsinki; A.I. Virtasen aukio 1 P.O. Box 55 00014 Helsinki Finland
| | - Juha Keskiväli
- Department of Chemistry; University of Helsinki; A.I. Virtasen aukio 1 P.O. Box 55 00014 Helsinki Finland
| | - Arno Parviainen
- Department of Chemistry; University of Helsinki; A.I. Virtasen aukio 1 P.O. Box 55 00014 Helsinki Finland
| | - Timo Repo
- Department of Chemistry; University of Helsinki; A.I. Virtasen aukio 1 P.O. Box 55 00014 Helsinki Finland
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35
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Ray R, Chandra S, Maiti D, Lahiri GK. Simple and Efficient Ruthenium-Catalyzed Oxidation of Primary Alcohols with Molecular Oxygen. Chemistry 2016; 22:8814-22. [PMID: 27257955 DOI: 10.1002/chem.201601800] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Indexed: 11/12/2022]
Abstract
Oxidative transformations utilizing molecular oxygen (O2 ) as the stoichiometric oxidant are of paramount importance in organic synthesis from ecological and economical perspectives. Alcohol oxidation reactions that employ O2 are scarce in homogeneous catalysis and the efficacy of such systems has been constrained by limited substrate scope (most involve secondary alcohol oxidation) or practical factors, such as the need for an excess of base or an additive. Catalytic systems employing O2 as the "primary" oxidant, in the absence of any additive, are rare. A solution to this longstanding issue is offered by the development of an efficient ruthenium-catalyzed oxidation protocol, which enables smooth oxidation of a wide variety of primary, as well as secondary benzylic, allylic, heterocyclic, and aliphatic, alcohols with molecular oxygen as the primary oxidant and without any base or hydrogen- or electron-transfer agents. Most importantly, a high degree of selectivity during alcohol oxidation has been predicted for complex settings. Preliminary mechanistic studies including (18) O labeling established the in situ formation of an oxo-ruthenium intermediate as the active catalytic species in the cycle and involvement of a two-electron hydride transfer in the rate-limiting step.
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Affiliation(s)
- Ritwika Ray
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400 076, India.
| | - Shubhadeep Chandra
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400 076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400 076, India.
| | - Goutam Kumar Lahiri
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, 400 076, India.
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36
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Wang L, Shang S, Li G, Ren L, Lv Y, Gao S. Iron/ABNO-Catalyzed Aerobic Oxidation of Alcohols to Aldehydes and Ketones under Ambient Atmosphere. J Org Chem 2016; 81:2189-93. [DOI: 10.1021/acs.joc.6b00009] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lianyue Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, China
| | - SenSen Shang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, China
- Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
| | - Guosong Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, China
| | - Lanhui Ren
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, China
- Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Lv
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, China
| | - Shuang Gao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, China
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37
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Paul M, Shirase S, Morimoto Y, Mathey L, Murugesapandian B, Tanaka S, Itoh S, Tsurugi H, Mashima K. Cerium-Complex-Catalyzed Oxidation of Arylmethanols under Atmospheric Pressure of Dioxygen and Its Mechanism through a Side-On μ-Peroxo Dicerium(IV) Complex. Chemistry 2016; 22:4008-14. [PMID: 26797722 DOI: 10.1002/chem.201503846] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Indexed: 11/05/2022]
Abstract
A new Ce(IV) complex [Ce{NH(CH2CH2N=CHC6H2-3,5-(tBu)2-2-O)2}(NO3)2] (1), bearing a dianionic pentadentate ligand with an N3O2 donor set, has been prepared by treating (NH4)2Ce(NO3)6 with the sodium salt of ligand L1. Complex 1 in the presence of TEMPO and 4 Å molecular sieves (MS4 A) has been found to serve as a catalyst for the oxidation of arylmethanols using dioxygen as an oxidant. We propose an oxidation mechanism based on the isolation and reactivity study of a trivalent cerium complex [Ce{NH(CH2CH2N=CHC6H2-3,5-(tBu)2-2-O)2}(NO3)(THF)] (2), its side-on μ-O2 adduct [Ce{NH(CH2CH2N=CHC6H2-3,5-(tBu)2-2-O)2}(NO3)]2(μ-η(2):η(2)-O2) (3), and the hydroxo-bridged Ce(IV) complex [Ce{NH(CH2CH2N=CHC6H2-3,5-(tBu)2-2-O)2}(NO3)]2(μ-OH)2 (4) as key intermediates during the catalytic cycle. Complex 2 was synthesized by reduction of 1 with 2,5-dimethyl-1,4-bis(trimethylsilyl)-1,4-diazacyclohexadiene. Bubbling O2 into a solution of 2 resulted in formation of the peroxo complex 3. This provides the first direct evidence for cerium-catalyzed oxidation of alcohols under an O2 atmosphere.
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Affiliation(s)
- Mitali Paul
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Satoru Shirase
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Yuma Morimoto
- Department of Material and Life Science, Graduate School of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Laurent Mathey
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | | | - Shinji Tanaka
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Shinobu Itoh
- Department of Material and Life Science, Graduate School of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Hayato Tsurugi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan.
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan.
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38
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Sheykhan M, Moafi HF, Abbasnia M. Novel access to carbonyl and acetylated compounds: the role of the tetra-n-butylammonium bromide/sodium nitrite catalyst. RSC Adv 2016. [DOI: 10.1039/c6ra08672a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel aerobic oxidation of alcohols without the use of any oxidants was developed.
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39
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Zhang YC, Huang R, Lü FL, Cao XH, Zhao JQ. Aerobic oxidation of alcohols by copper(I)/benzoxazine ligand/TEMPO under mild and base-free conditions. RUSS J GEN CHEM+ 2015. [DOI: 10.1134/s1070363215080277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Solvent-Free Microwave-Assisted Peroxidative Oxidation of Alcohols Catalyzed by Iron(III)-TEMPO Catalytic Systems. Catal Letters 2015. [DOI: 10.1007/s10562-015-1616-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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41
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Dong Y, Zhao X, Liu R. 4-OH-TEMPO/TCQ/TBN/HCl: A Metal-Free Catalytic System for Aerobic Oxidation of Alcohols under Mild Conditions. CHINESE J CHEM 2015. [DOI: 10.1002/cjoc.201500357] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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42
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Liu X, Yi Z, Yi M, Wang J, Liu G. Rhodium-catalyzed synthesis of aryl ketones from carboxylic acid anhydrides and potassium aryltrifluoroborates in the presence of CuI. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.05.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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43
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Chen T, Cai C. Selective Oxidation of Benzyl Alcohols to Aldehydes with a Salophen Copper(II) Complex and tert-Butyl Hydroperoxide at Room Temperature. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1015034] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Tingting Chen
- Chemical Engineering College, Nanjing University of Science and Technology, Nanjing, China
| | - Chun Cai
- Chemical Engineering College, Nanjing University of Science and Technology, Nanjing, China
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44
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Cao Q, Dornan LM, Rogan L, Hughes NL, Muldoon MJ. Aerobic oxidation catalysis with stable radicals. Chem Commun (Camb) 2015; 50:4524-43. [PMID: 24667871 DOI: 10.1039/c3cc47081d] [Citation(s) in RCA: 258] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Selective oxidation reactions are challenging when carried out on an industrial scale. Many traditional methods are undesirable from an environmental or safety point of view. There is a need to develop sustainable catalytic approaches that use molecular oxygen as the terminal oxidant. This review will discuss the use of stable radicals (primarily nitroxyl radicals) in aerobic oxidation catalysis. We will discuss the important advances that have occurred in recent years, highlighting the catalytic performance, mechanistic insights and the expanding synthetic utility of these catalytic systems.
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Affiliation(s)
- Qun Cao
- School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast, UKBT9 5AG.
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45
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Shi XJ, Tan FF, Chen QQ, Su WK. Selective Oxidation of Primary and Secondary Alcohols with Hydrogen Peroxide Promoted by Copper Acetate-TMHPO. ORG PREP PROCED INT 2015. [DOI: 10.1080/00304948.2015.983809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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46
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Kopylovich MN, Ribeiro AP, Alegria EC, Martins NM, Martins LM, Pombeiro AJ. Catalytic Oxidation of Alcohols. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2015. [DOI: 10.1016/bs.adomc.2015.02.004] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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47
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Abstract
Metallopeptoid catalysts incorporating phenanthroline–copper and TEMPO, and at least one non-catalytic group perform in the oxidation of various benzylic, allylic and aliphatic primary alcohols with a TON of up to 16 times higher than a mixture of the two catalytic groups or the peptoid dimer that is lacking the non-catalytic group.
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Affiliation(s)
- Kaniraj Jeya Prathap
- Schulich Faculty of Chemistry
- Technion – Israel Institute of Technology
- Haifa
- Israel
| | - Galia Maayan
- Schulich Faculty of Chemistry
- Technion – Israel Institute of Technology
- Haifa
- Israel
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