1
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Yao XR, Jia MZ, Miao XL, Yu SK, Chen YR, Pan JQ, Zhang J. Photocatalyzed Oxidative Tandem Reaction Mediated by Bipyridinium for Multifunctional Derivatization of Alcohols. CHEMSUSCHEM 2024; 17:e202301911. [PMID: 38477175 DOI: 10.1002/cssc.202301911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/05/2024] [Accepted: 03/11/2024] [Indexed: 03/14/2024]
Abstract
The multifunctional derivatization of alcohols has been achieved by the bipyridinium-based conjugated small molecule photocatalysts with redox center and Lewis acid site. Besides exhibiting high activity in the selective generation of aldehydes/ketones, acids from alcohols through solvent modulation, this system renders the first selective synthesis of esters via an attractive cross-coupling pattern, whose reaction route is significantly different from the traditional condensation of alcohols and acids or esterification from hemiacetals. Following the oxidization of alcohol to aldehyde via bipyridinium-mediated electron and energy transfer, the Lewis acid site of bipyridinium then activates the aldehyde and methanol to obtain the acetal, which further reacts with methanol to generate ester. This method not only demonstrates a clear advantage of bipyridinium in diverse catalytic activities, but also paves the way for designing efficient multifunctional small molecule photocatalysts. This metal- and additive-free photocatalytic esterification reaction marks a significant advancement towards a more environmentally friendly, cost-effective and green sustainable approach, attributed to the utilization of renewable substrate alcohol and the abundant, low-cost air as the oxidant. The mildness of this esterification reaction condition provides a more suitable alternative for large-scale industrial production of esters.
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Affiliation(s)
- Xin-Rong Yao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Meng-Ze Jia
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Xiao-Li Miao
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Shi-Kai Yu
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Yun-Rui Chen
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Jia-Qi Pan
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
| | - Jie Zhang
- MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China
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2
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Laporte AAH, Masson TM, Zondag SDA, Noël T. Multiphasic Continuous-Flow Reactors for Handling Gaseous Reagents in Organic Synthesis: Enhancing Efficiency and Safety in Chemical Processes. Angew Chem Int Ed Engl 2024; 63:e202316108. [PMID: 38095968 DOI: 10.1002/anie.202316108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Indexed: 12/29/2023]
Abstract
The use of reactive gaseous reagents for the production of active pharmaceutical ingredients (APIs) remains a scientific challenge due to safety and efficiency limitations. The implementation of continuous-flow reactors has resulted in rapid development of gas-handling technology because of several advantages such as increased interfacial area, improved mass- and heat transfer, and seamless scale-up. This technology enables shorter and more atom-economic synthesis routes for the production of pharmaceutical compounds. Herein, we provide an overview of literature from 2016 onwards in the development of gas-handling continuous-flow technology as well as the use of gases in functionalization of APIs.
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Affiliation(s)
- Annechien A H Laporte
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Tom M Masson
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Stefan D A Zondag
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Timothy Noël
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
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3
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Hao Q, Li Z, Shi Y, Li R, Li Y, Wang L, Yuan H, Ouyang S, Zhang T. Plasmon-Induced Radical-Radical Heterocoupling Boosts Photodriven Oxidative Esterification of Benzyl Alcohol over Nitrogen-Doped Carbon-Encapsulated Cobalt Nanoparticles. Angew Chem Int Ed Engl 2023; 62:e202312808. [PMID: 37684740 DOI: 10.1002/anie.202312808] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 09/10/2023]
Abstract
Selective oxidation of alcohols under mild conditions remains a long-standing challenge in the bulk and fine chemical industry, which usually requires environmentally unfriendly oxidants and bases that are difficult to separate. Here, a plasmonic catalyst of nitrogen-doped carbon-encapsulated metallic Co nanoparticles (Co@NC) with an excellent catalytic activity towards selective oxidation of alcohols is demonstrated. With light as only energy input, the plasmonic Co@NC catalyst effectively operates via combining action of the localized surface-plasmon resonance (LSPR) and the photothermal effects to achieve a factor of 7.8 times improvement compared with the activity of thermocatalysis. A high turnover frequency (TOF) of 15.6 h-1 is obtained under base-free conditions, which surpasses all the reported catalytic performances of thermocatalytic analogues in the literature. Detailed characterization reveals that the d states of metallic Co gain the absorbed light energy, so the excitation of interband d-to-s transitions generates energetic electrons. LSPR-mediated charge injection to the Co@NC surface activates molecular oxygen and alcohol molecules adsorbed on its surface to generate the corresponding radical species (e.g., ⋅O2 - , CH3 O⋅ and R-⋅CH-OH). The formation of multi-type radical species creates a direct and forward pathway of oxidative esterification of benzyl alcohol to speed up the production of esters.
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Affiliation(s)
- Quanguo Hao
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Zhenhua Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yiqiu Shi
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Ruizhe Li
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Yuan Li
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Liang Wang
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Hong Yuan
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Shuxin Ouyang
- Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction, Ministry of Education, Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, P. R. China
| | - Tierui Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
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4
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Li Y, Luo H, Wang S, Li L, Li G, Dai W. Cobalt nanoparticles-catalyzed aerobic oxygenation and esterification of alkynes via C≡C bonds cleavage. iScience 2023; 26:107608. [PMID: 37664625 PMCID: PMC10470385 DOI: 10.1016/j.isci.2023.107608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/16/2023] [Accepted: 08/07/2023] [Indexed: 09/05/2023] Open
Abstract
An unprecedented efficient protocol is developed for the oxidative cleavage of C≡C bonds in alkynes to produce structure-diverse esters using heterogeneous cobalt nanoparticles as catalyst with molecular oxygen as the oxidant. A diverse set of mono- and multisubstituted aromatic and aliphatic alkynes can be effectively cleaved and converted into the corresponding esters. Characterization analysis and control experiments indicate high surface area and pore volume, as well as nanostructured nitrogen-doped graphene-layer coated cobalt nanoparticles are possibly responsible for excellent catalytic activity. Mechanistic studies reveal that ketones derived from alkynes under oxidative conditions are formed as intermediates, which subsequently are converted to esters through a tandem sequential process. The catalyst can be recycled up to five times without significant loss of activity.
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Affiliation(s)
- Yujing Li
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, P.R. China
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
| | - Huihui Luo
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Shuo Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
| | - Lei Li
- School of Petrochemical Engineering, Liaoning Petrochemical University, Fushun 113001, P.R. China
| | - Guosong Li
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
| | - Wen Dai
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P.R. China
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5
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Dong Q, Huang Q, Wang M, Chen H, Zi Y, Huang W. 1,3-Dichloro-5,5-Dimethylhydantoin Promoted Esterification of Carboxylic Acids under Mild Conditions. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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6
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Onoda M, Fujita K. Dehydrogenative Esterification and Dehydrative Etherification by Coupling of Primary Alcohols Based on Catalytic Function Switching of an Iridium Complex. ChemistrySelect 2022. [DOI: 10.1002/slct.202201135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Mitsuki Onoda
- Graduate School of Human and Environmental Studies Kyoto University Sakyo-ku Kyoto 606-8501 Japan
| | - Ken‐ichi Fujita
- Graduate School of Human and Environmental Studies Kyoto University Sakyo-ku Kyoto 606-8501 Japan
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7
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Zhang Y, Peck TC, Reddy GK, Banerjee D, Jia H, Roberts CA, Ling C. Descriptor-Free Design of Multicomponent Catalysts. ACS Catal 2022. [DOI: 10.1021/acscatal.2c02807] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Ying Zhang
- Toyota Research Institute of North America, Ann Arbor, Michigan 48105, United States
| | - Torin C. Peck
- Toyota Research Institute of North America, Ann Arbor, Michigan 48105, United States
| | - Gunugunuri K. Reddy
- Toyota Research Institute of North America, Ann Arbor, Michigan 48105, United States
| | - Debasish Banerjee
- Toyota Research Institute of North America, Ann Arbor, Michigan 48105, United States
| | - Hongfei Jia
- Toyota Research Institute of North America, Ann Arbor, Michigan 48105, United States
| | - Charles A. Roberts
- Toyota Research Institute of North America, Ann Arbor, Michigan 48105, United States
| | - Chen Ling
- Toyota Research Institute of North America, Ann Arbor, Michigan 48105, United States
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8
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Clark AH, Marchbank HR, Thompsett D, Fisher JM, Longo A, Beyer KA, Hyde TI, Sankar G. On the effect of metal loading on the reducibility and redox chemistry of ceria supported Pd catalysts. Phys Chem Chem Phys 2022; 24:2387-2395. [PMID: 35019919 DOI: 10.1039/d1cp04654c] [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 effect of Pd loading on the redox characteristics of a ceria support was examined using in situ Pd K-edge XAS, Ce L3-edge XAS and in situ X-ray diffraction techniques. Analysis of the data obtained from these techniques indicates that the onset temperature for the partial reduction of Ce(IV) to Ce(III), by exposure to H2, varies inversely with the loading of Pd. Whilst the onset and completion temperatures of the reduction of Ce(IV) to Ce(III) are different, both samples yield the same maximal fraction of Ce(III) formation independent of Pd loading. Furthermore, the partial reduction of Ce is found to be concurrent with the reduction of PdO and demonstrated that the presence of metallic Pd is necessary for the reduction of the CeO2 support. Upon passivation by room temperature oxidation, a full oxidation of the reduced ceria support was observed. However, only a mild surface oxidation of Pd was identified. The mild passivation of the Pd is found to lead to a highly reactive sample upon a second reduction by H2. The onset of the reduction of Pd and Ce has been demonstrated to be independent of the Pd loading after a mild passivation with both samples exhibiting near room temperature reduction in the presence of H2.
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Affiliation(s)
- Adam H Clark
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK.
| | - Huw R Marchbank
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK.
| | - David Thompsett
- Johnson Matthey Technology Centre, Blount's Court, Sonning Common, Reading RG4 9NH, UK
| | - Janet M Fisher
- Johnson Matthey Technology Centre, Blount's Court, Sonning Common, Reading RG4 9NH, UK
| | - Alessandro Longo
- I20, ESRF-The European Synchrotron, CS40220, 38043 Grenoble, Cedex 9, France.,CNR-ISMN, Consiglio Nazionale delle Ricerche, Istituto per lo Studio dei Materiali Nanostrutturati, Via Ugo La Malfa 153, 90146 Palermo, Italy
| | - Kevin A Beyer
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, USA
| | - Timothy I Hyde
- Johnson Matthey Technology Centre, Blount's Court, Sonning Common, Reading RG4 9NH, UK
| | - Gopinathan Sankar
- Department of Chemistry, University College London, 20 Gordon Street, London WC1H 0AJ, UK.
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9
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Lian P, Li R, Wan X, Xiang Z, Liu H, Cao Z, Wan X. Acetylation of alcohols and amines under visible light irradiation: diacetyl as an acylation reagent and photosensitizer. Org Chem Front 2022. [DOI: 10.1039/d1qo01613j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
An unprecedented strategy for the acetylation of alcohols and amines using diacetyl as both an acylation reagent and a photosensitizer was well developed.
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Affiliation(s)
- Pengcheng Lian
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Ruyi Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiao Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zixin Xiang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hang Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Zhiyu Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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10
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Wan L, Jiang M, Cheng D, Liu M, Chen F. Continuous flow technology-a tool for safer oxidation chemistry. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00520k] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The advantages and benefits of continuous flow technology for oxidation chemistry have been illustrated in tube reactors, micro-channel reactors, tube-in-tube reactors and micro-packed bed reactors in the presence of various oxidants.
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Affiliation(s)
- Li Wan
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Meifen Jiang
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Dang Cheng
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Minjie Liu
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Fener Chen
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China
- Shanghai Engineering Center of Industrial Asymmetric Catalysis for Chiral Drugs, Shanghai 200433, China
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11
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Senthamarai T, Chandrashekhar VG, Rockstroh N, Rabeah J, Bartling S, Jagadeesh RV, Beller M. A “universal” catalyst for aerobic oxidations to synthesize (hetero)aromatic aldehydes, ketones, esters, acids, nitriles, and amides. Chem 2021. [DOI: 10.1016/j.chempr.2021.12.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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12
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Zhou C, Sun R, Zhang Y, Xiong B, Dai H, Dai Y. Co-N-Si/AC Catalyst for Aerobic Oxidation of Benzyl Alcohols to Esters under Mild Conditions. Molecules 2021; 26:molecules26226792. [PMID: 34833882 PMCID: PMC8622685 DOI: 10.3390/molecules26226792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/01/2021] [Accepted: 11/07/2021] [Indexed: 11/16/2022] Open
Abstract
A stable, earth-abundant, reusable cobalt-based heterogeneous catalyst is developed for the oxidative esterification of alcohols under ambient conditions, featuring broad substrate scope, providing good to excellent product yields. This protocol enables easy recyclability of the catalyst, measured up to five times without significant loss of efficiency. The active sites of Co-N-Si/AC are proposed to be Co-N species.
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Affiliation(s)
- Changjian Zhou
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China; (C.Z.); (R.S.)
| | - Rong Sun
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China; (C.Z.); (R.S.)
| | - Yuting Zhang
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Y.Z.); (B.X.)
| | - Biao Xiong
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Y.Z.); (B.X.)
| | - Hui Dai
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
- Correspondence: (H.D.); (Y.D.)
| | - Yong Dai
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China; (C.Z.); (R.S.)
- Correspondence: (H.D.); (Y.D.)
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13
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Deng Y, Yang T, Wang H, Yang C, Cheng L, Yin SF, Kambe N, Qiu R. Recent Progress on Photocatalytic Synthesis of Ester Derivatives and Reaction Mechanisms. Top Curr Chem (Cham) 2021; 379:42. [PMID: 34668085 DOI: 10.1007/s41061-021-00355-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 10/05/2021] [Indexed: 11/28/2022]
Abstract
Esters and their derivatives are distributed widely in natural products, pharmaceuticals, fine chemicals and other fields. Esters are important building blocks in pharmaceuticals such as clopidogrel, methylphenidate, fenofibrate, travoprost, prasugrel, oseltamivir, eszopiclone and fluticasone. Therefore, esterification reaction becomes more and more popular in the photochemical field. In this review, we highlight three types of reactions to synthesize esters using photochemical strategies. The reaction mechanisms involve mainly single electron transfer, energy transfer or other radical procedures.
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Affiliation(s)
- Yiqiang Deng
- College of Chemical Engineering, Key Laboratory of Inferior Crude Oil Upgrade Processing of Guangdong Provincial Higher Education Institutes, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China.
| | - Tianbao Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Hui Wang
- College of Chemical Engineering, Key Laboratory of Inferior Crude Oil Upgrade Processing of Guangdong Provincial Higher Education Institutes, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China
| | - Chong Yang
- College of Chemical Engineering, Key Laboratory of Inferior Crude Oil Upgrade Processing of Guangdong Provincial Higher Education Institutes, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China
| | - Lihua Cheng
- College of Chemical Engineering, Key Laboratory of Inferior Crude Oil Upgrade Processing of Guangdong Provincial Higher Education Institutes, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China
| | - Nobuaki Kambe
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan
| | - Renhua Qiu
- College of Chemical Engineering, Key Laboratory of Inferior Crude Oil Upgrade Processing of Guangdong Provincial Higher Education Institutes, Guangdong University of Petrochemical Technology, Maoming, 525000, Guangdong, China. .,State Key Laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China.
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14
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Ren S, Cheng D, Li X, Xu X. Mild oxidation of benzyl alcohols to benzyl aldehydes or ketones catalyzed by visible light. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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15
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Qi M, Wu X, Wang L, Song Y, Diao Y. The effect of the bimetallic Pd-Pb structures on direct oxidative esterification of methacrolein with methanol. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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16
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Zheng Y, Zhao Y, Tao S, Li X, Cheng X, Jiang G, Wan X. Green Esterification of Carboxylic Acids Promoted by
tert
‐Butyl Nitrite. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yonggao Zheng
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Yanwei Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Suyan Tao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xingxing Li
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xionglve Cheng
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Gangzhong Jiang
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science Soochow University 215123 Suzhou P. R. China
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17
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Behera PK, Choudhury P, Sahu SK, Sahu RR, Harvat AN, McNulty C, Stitgen A, Scanlon J, Kar M, Rout L. Oxygen Bridged Bimetallic CuMoO
4
Nanocatalyst for Benzylic Alcohol Oxidation; Mechanism and DFT Study. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100192] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | | | | | | | | | | | | | | | | | - Laxmidhar Rout
- Department of Chemistry Berhampur University Odisha 760007 India
- Adjunct Faculty Department of Chemistry IISER 760010 Berhampur Odisha India
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18
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Smeyne D, Verboom K, Bryan M, LoBue J, Shaikh A. Electrochemical esterification via oxidative coupling of aldehydes and alcohols. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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19
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Nguyen TN, Nakanowatari S, Nhat Tran TP, Thakur A, Takahashi L, Takahashi K, Taniike T. Learning Catalyst Design Based on Bias-Free Data Set for Oxidative Coupling of Methane. ACS Catal 2021. [DOI: 10.1021/acscatal.0c04629] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thanh Nhat Nguyen
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Sunao Nakanowatari
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Thuy Phuong Nhat Tran
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Ashutosh Thakur
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Lauren Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Keisuke Takahashi
- Department of Chemistry, Hokkaido University, North 10, West 8, Sapporo 060-8510, Japan
| | - Toshiaki Taniike
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
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20
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Choudhury P, Behera PK, Bisoyi T, Sahu SK, Sahu RR, Prusty SR, Stitgen A, Scanlon J, Kar M, Rout L. The dehydrogenative oxidation of aryl methanols using an oxygen bridged [Cu–O–Se] bimetallic catalyst. NEW J CHEM 2021. [DOI: 10.1039/d1nj00712b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we report a new protocol for the dehydrogenative oxidation of aryl methanols using the cheap and commercially available catalyst CuSeO3·2H2O.
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Affiliation(s)
| | | | - Tanmayee Bisoyi
- Department of Chemistry
- Berhampur University
- Odisha-760007
- India
| | | | - Rashmi Ranjan Sahu
- Department of Chemistry
- Berhampur University
- Odisha-760007
- India
- Department of Physics, IIT Patna
| | | | | | | | | | - Laxmidhar Rout
- Department of Chemistry
- Berhampur University
- Odisha-760007
- India
- Adjunct Faculty, School of Chemical Science, Indian Institute of Science Education and Research
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21
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Tan H, Wang S, Yan Z, Liu J, Wei J, Song S, Jiao N. N‐Heterocyclic Carbene Catalyzed Ester Synthesis from Organic Halides through Incorporation of Oxygen Atoms from Air. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011039] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hui Tan
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Shen‐An Wang
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Zixi Yan
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Jianzhong Liu
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Jialiang Wei
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Song Song
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
- State Key Laboratory of Organometallic Chemistry Chinese Academy of Sciences Shanghai 200032 China
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22
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Tan H, Wang S, Yan Z, Liu J, Wei J, Song S, Jiao N. N‐Heterocyclic Carbene Catalyzed Ester Synthesis from Organic Halides through Incorporation of Oxygen Atoms from Air. Angew Chem Int Ed Engl 2020; 60:2140-2144. [DOI: 10.1002/anie.202011039] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/23/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Hui Tan
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Shen‐An Wang
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Zixi Yan
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Jianzhong Liu
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Jialiang Wei
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Song Song
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical Sciences Peking University Xue Yuan Rd. 38 Beijing 100191 China
- State Key Laboratory of Organometallic Chemistry Chinese Academy of Sciences Shanghai 200032 China
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23
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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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24
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McCullough K, Williams T, Mingle K, Jamshidi P, Lauterbach J. High-throughput experimentation meets artificial intelligence: a new pathway to catalyst discovery. Phys Chem Chem Phys 2020; 22:11174-11196. [PMID: 32393932 DOI: 10.1039/d0cp00972e] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
High throughput experimentation in heterogeneous catalysis provides an efficient solution to the generation of large datasets under reproducible conditions. Knowledge extraction from these datasets has mostly been performed using statistical methods, targeting the optimization of catalyst formulations. The combination of advanced machine learning methodologies with high-throughput experimentation has enormous potential to accelerate the predictive discovery of novel catalyst formulations that do not exist with current statistical design of experiments. This perspective describes selective examples ranging from statistical design of experiments for catalyst synthesis to genetic algorithms applied to catalyst optimization, and finally random forest machine learning using experimental data for the discovery of novel catalysts. Lastly, this perspective also provides an outlook on advanced machine learning methodologies as applied to experimental data for materials discovery.
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Affiliation(s)
- Katherine McCullough
- College of Engineering and Computing, University of South Carolina, Columbia, SC 29208, USA.
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25
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Wang J, Yu H, Wei Z, Li Q, Xuan W, Wei Y. Additive-Mediated Selective Oxidation of Alcohols to Esters via Synergistic Effect Using Single Cation Cobalt Catalyst Stabilized with Inorganic Ligand. RESEARCH 2020; 2020:3875920. [PMID: 32025661 PMCID: PMC6998037 DOI: 10.34133/2020/3875920] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 12/09/2019] [Indexed: 11/25/2022]
Abstract
The direct catalytic oxidation of alcohols to esters is very appealing, but the economical-friendly catalysis systems are not yet well established. Herein, we show that a pure inorganic ligand-supported single-atomic cobalt compound, (NH4)3[CoMo6O18(OH)6] (simplified as CoMo6), could be used as a heterogeneous catalyst and effectively promote this type of reaction in the presence of 30% H2O2 using KCl as an additive. The oxidative cross-esterification of various alcohols (aromatic and aliphatic) could be achieved under mild conditions in nearly all cases, affording the corresponding esters in high yields, including several drug molecules and natural products. Detailed studies have revealed that chloride ion is able to bind to the CoMo6 to form a supramolecular dimer 2(CoMo6∙Cl), which can effectively catalyze the reaction via a synergistic effect from chloride ion and CoMo6. Mechanism studies and control reactions demonstrate that the esterification proceeds via the key oxidative immediate of aldehydes.
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Affiliation(s)
- Jingjing Wang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Han Yu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China.,Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China.,State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China
| | - Zheyu Wei
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Qi Li
- Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Weimin Xuan
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Yongge Wei
- Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China.,State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100191, China
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26
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Miyamura H, Kobayashi S. Nanoparticle Catalysts in Flow Systems. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_46] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Zhang R, Yang X, Tao Z, Wang X, Wang H, Wang L, Lv B. Insight into the Effective Aerobic Oxidative Cross-Esterification of Alcohols over Au/Porous Boron Nitride Catalyst. ACS APPLIED MATERIALS & INTERFACES 2019; 11:46678-46687. [PMID: 31747750 DOI: 10.1021/acsami.9b14460] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Boron nitride (BN) has attracted great attention with an unexpected ability in aerobic catalysis. Still, its related probe reactions are relatively rare, and the effect of the BN-supported metal catalyst on O2 activation is still ambiguous, and opinions are varied. In this work, the porous BN (pBN)-supported Au catalyst with a porous structure and exposed edges exhibits high activity in the oxidative cross-esterification reactions between the aromatic and C1-C3 aliphatic alcohols at ambient temperature. The turnover frequency value for methyl benzoate is 118 h-1 at 30 °C, and the calculated apparent activation energy (Ea, 58 kJ/mol) is comparable to that of AuPd/TiO2, Ru/Al2O3, and PdBiTe catalysts. Combined with temperature-programmed desorption (TPD) results, the loading of Au enhances the desorption of O2 and the interaction with alcohols; thus, a synergistic effect between the O-rich pBN and Au is considered. The free-radical scavenger can dramatically suppress the conversion (∼6%), suggesting that the reaction proceeds via the O2* radicals. According to the vibration of νO-O, δOO-H, and νB-O-O-B detected by attenuated total reflectance-infrared spectroscopy (ATR-IR), we are prone to consider the oxygen activation route by the edge B atoms. Then, a possible L-H reaction mechanism was proposed: benzyl alcohol and O2 adsorb on the Au/pBN initially, then O2 is converted to O2*, and the α-H elimination proceeds; as the semi-acetal formed, another α-H elimination proceeds and methyl benzoate is finally formed.
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Affiliation(s)
- Rong Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry , Chinese Academy of Sciences , Taiyuan 030001 , China
- University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Xi Yang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry , Chinese Academy of Sciences , Taiyuan 030001 , China
- Department of Chemistry , Shanghai University , Shanghai 200444 , China
| | - Zheng Tao
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry , Chinese Academy of Sciences , Taiyuan 030001 , China
| | - Xiao Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry , Chinese Academy of Sciences , Taiyuan 030001 , China
| | - Huixiang Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry , Chinese Academy of Sciences , Taiyuan 030001 , China
| | - Liancheng Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry , Chinese Academy of Sciences , Taiyuan 030001 , China
| | - Baoliang Lv
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry , Chinese Academy of Sciences , Taiyuan 030001 , China
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28
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Zhu Q, Wang F, Zhang F, Dong Z. Renewable chitosan-derived cobalt@N-doped porous carbon for efficient aerobic esterification of alcohols under air. NANOSCALE 2019; 11:17736-17745. [PMID: 31549694 DOI: 10.1039/c9nr04867g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The direct oxidation of alcohols to esters through a green and cost-effective strategy is a fascinating chemical synthesis route. In this study, an environmentally friendly N-doped porous carbon encapsulated Co-based nano-catalyst was prepared via a simple carbonization procedure, utilizing renewable chitosan, accessible dicyandiamide and low-cost Co(OAc)2 as co-precursors. The obtained Co@NC-2-T catalysts were successfully used in selective oxidation of aromatic alcohols with methanol to esters under atmospheric reaction conditions. The Co@NC-2-900 catalyst (added with 2 g dicyandiamide and pyrolyzed at 900 °C) shows optimal activity and applicability and can also be reused at least six times in the oxidative esterification of aromatic alcohols with excellent stability. The presence of superoxide anion radicals in the current catalytic system was detected by the EPR method, and a possible mechanism of alcohol oxidation to ester was proposed on this basis. Thus, this study provides a facile, eco-friendly, and highly efficient catalytic system for oxidative esterification of alcohols.
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Affiliation(s)
- Qian Zhu
- College of Chemistry and Chemical Engineering, Laboratory of Special Function Materials and Structure Design of the Ministry of Education, Gansu Provincial Engineering Laboratory for Chemical Catalysis, Lanzhou University, Lanzhou 730000, PR China.
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29
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Ma Y, Lang Z, Du J, Yan L, Wang Y, Tan H, Khan SU, Liu Y, Kang Z, Li Y. A switchable-selectivity multiple-interface Ni-WC hybrid catalyst for efficient nitroarene reduction. J Catal 2019. [DOI: 10.1016/j.jcat.2019.06.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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30
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Cyclopentadienyl Ruthenium(II) Complex-Mediated Oxidation of Benzylic and Allylic Alcohols to Corresponding Aldehydes. HETEROATOM CHEMISTRY 2019. [DOI: 10.1155/2019/5053702] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This work reports an efficient method for the oxidation reaction of aliphatic, aromatic allylic, and benzylic alcohols into aldehydes catalyzed by the cyclopentadienyl ruthenium(II) complex (RuCpCl(PPh3)2) with bubbled O2. Through further optimizing controlled studies, the tendency order of oxidation reactivity was determined as follows: benzylic alcohols > aromatic allylic alcohols >> aliphatic alcohols. In addition, this method has several advantages, including a small amount of catalyst (0.5 mol%) and selective application of high discrimination activity of aliphatic, aromatic allylic, and benzylic alcohols.
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31
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Xu X, Feng H, Li H, Huang L. Enol Ester Intermediate Induced Metal-Free Oxidative Coupling of Carboxylic Acids and Arylboronic Acids. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900137] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Xianjun Xu
- College of Chemistry and Chemical Engineering; Shanghai University of Engineering Science; 333 Longteng Road 201620 Shanghai China
| | - Huangdi Feng
- College of Chemistry and Chemical Engineering; Shanghai University of Engineering Science; 333 Longteng Road 201620 Shanghai China
| | - Huiqiong Li
- College of Chemistry and Chemical Engineering; Shanghai University of Engineering Science; 333 Longteng Road 201620 Shanghai China
| | - Liliang Huang
- College of Chemistry and Chemical Engineering; Shanghai University of Engineering Science; 333 Longteng Road 201620 Shanghai China
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32
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Dong Y, Lai Y, Wang X, Gao M, Xue F, Chen X, Ma Y, Wei Y. Design and synthesis of amine-functionalized cellulose with multiple binding sites and their application in C C bond forming reactions. Int J Biol Macromol 2019; 130:778-785. [DOI: 10.1016/j.ijbiomac.2019.02.158] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 02/18/2019] [Accepted: 02/27/2019] [Indexed: 02/07/2023]
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33
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Durndell LJ, Isaacs MA, Li C, Parlett CMA, Wilson K, Lee AF. Cascade Aerobic Selective Oxidation over Contiguous Dual-Catalyst Beds in Continuous Flow. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00092] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lee J. Durndell
- School of Geography, Earth and Environmental Sciences, Plymouth University, Plymouth PL4 8AA, U.K
| | - Mark A. Isaacs
- Department of Chemistry, University College London, London WC1E 6BT, U.K
| | - Chao’en Li
- CSIRO Energy, 71 Normanby Road, Clayton North, Victoria 3169, Australia
| | - Christopher M. A. Parlett
- School of Chemical Engineering and Analytical Science, University of Manchester, Manchester M13 9PL, U.K
- University of Manchester at Harwell, Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, U.K
| | - Karen Wilson
- School of Science, RMIT University, Melbourne VIC 3001, Australia
| | - Adam F. Lee
- School of Science, RMIT University, Melbourne VIC 3001, Australia
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34
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Dolui P, Hazra S, Deb M, Elias AJ. Picolinamide Assisted Oxidation of CH2 Groups Bound to Organic and Organometallic Compounds Using Ferrocene as a Catalyst. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pritam Dolui
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Susanta Hazra
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Mayukh Deb
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Anil J. Elias
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
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35
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Patel A, Patel A. Nickel exchanged supported 12-tungstophosphoric acid: synthesis, characterization and base free one-pot oxidative esterification of aldehyde and alcohol. RSC Adv 2019; 9:1460-1471. [PMID: 35518043 PMCID: PMC9059559 DOI: 10.1039/c8ra08419j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 12/28/2018] [Indexed: 11/21/2022] Open
Abstract
The present work describes for the first time, the synthesis and characterization of a bi-functional catalyst consisting of nickel and supported 12-tungstophosphoric acid as well as its application in one pot oxidative esterification of benzaldehyde and benzyl alcohol to benzoate ester. The said reactions were operated without any base at a low temperature and atmospheric pressure. The influence of reaction parameters such as nickel concentration, molar ratio of substrate to H2O2 as well as methanol, catalyst amount, reaction temperature and reaction time were investigated to optimize the conditions for maximum conversion with good selectivity towards the desired product. The superiority of the present work lies in obtaining higher conversion as well as higher selectivity of the desired product with a high TON for both the systems under sustainable reaction conditions. Moreover, the catalyst could be recovered and reused for up to three cycles without any significant loss in its selectivity. The obtained conversion as well as selectivity were discussed with a number of control experiments and based on the obtained results, mechanisms for both the reactions were proposed. Furthermore, the difference in activity towards oxidative esterification of benzaldehyde and benzyl alcohol was also correlated with the proposed mechanism.
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Affiliation(s)
- Anish Patel
- Polyoxometalates and Catalysis Laboratory, Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda Vadodara India
| | - Anjali Patel
- Polyoxometalates and Catalysis Laboratory, Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda Vadodara India
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36
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Das UK, Ben-David Y, Leitus G, Diskin-Posner Y, Milstein D. Dehydrogenative Cross-Coupling of Primary Alcohols To Form Cross-Esters Catalyzed by a Manganese Pincer Complex. ACS Catal 2018. [DOI: 10.1021/acscatal.8b04585] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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37
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Hone CA, Kappe CO. The Use of Molecular Oxygen for Liquid Phase Aerobic Oxidations in Continuous Flow. Top Curr Chem (Cham) 2018; 377:2. [PMID: 30536152 PMCID: PMC6290733 DOI: 10.1007/s41061-018-0226-z] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 12/03/2018] [Indexed: 11/26/2022]
Abstract
Molecular oxygen (O2) is the ultimate “green” oxidant for organic synthesis. There has been recent intensive research within the synthetic community to develop new selective liquid phase aerobic oxidation methodologies as a response to the necessity to reduce the environmental impact of chemical synthesis and manufacture. Green and sustainable chemical processes rely not only on effective chemistry but also on the implementation of reactor technologies that enhance reaction performance and overall safety. Continuous flow reactors have facilitated safer and more efficient utilization of O2, whilst enabling protocols to be scalable. In this article, we discuss recent advancements in the utilization of continuous processing for aerobic oxidations. The translation of aerobic oxidation from batch protocols to continuous flow processes, including process intensification (high T/p), is examined. The use of “synthetic air”, typically consisting of less than 10% O2 in N2, is compared to pure O2 (100% O2) as an oxidant source in terms of process efficiency and safety. Examples of homogeneous catalysis and heterogeneous (packed bed) catalysis are provided. The application of flow photoreactors for the in situ formation of singlet oxygen (1O2) for use in organic reactions, as well as the implementation of membrane technologies, green solvents and recent reactor solutions for handling O2 are covered.
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Affiliation(s)
- Christopher A Hone
- Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering (RCPE), Inffeldgasse 13, 8010, Graz, Austria.,Institute of Chemistry, NAWI Graz, University of Graz, Heinrichstrasse 28, 8010, Graz, Austria
| | - C Oliver Kappe
- Center for Continuous Synthesis and Processing (CCFLOW), Research Center Pharmaceutical Engineering (RCPE), Inffeldgasse 13, 8010, Graz, Austria. .,Institute of Chemistry, NAWI Graz, University of Graz, Heinrichstrasse 28, 8010, Graz, Austria.
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38
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Lu X, Zhang Z, Yu L, Zhang B, Wang B, Gong T, Tian C, Xiao B, Fu Y. Free Radical Pathway Cleavage of C—O Bonds for the Synthesis of Alkylboron Compounds. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800500] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Xi Lu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
| | - Zhen‐Qi Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
| | - Lu Yu
- High Magnetic Field LaboratoryChinese Academy of Sciences Hefei Anhui 230031 China
| | - Ben Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
| | - Bing Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
| | - Tian‐Jun Gong
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
| | - Chang‐Lin Tian
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
- High Magnetic Field LaboratoryChinese Academy of Sciences Hefei Anhui 230031 China
- School of Life SciencesUniversity of Science and Technology of China Hefei Anhui 230027 China
| | - Bin Xiao
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
| | - Yao Fu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, iChEMUniversity of Science and Technology of China Hefei Anhui 230026 China
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Liu M, Zhang Z, Liu H, Xie Z, Mei Q, Han B. Transformation of alcohols to esters promoted by hydrogen bonds using oxygen as the oxidant under metal-free conditions. SCIENCE ADVANCES 2018; 4:eaas9319. [PMID: 30310866 PMCID: PMC6173529 DOI: 10.1126/sciadv.aas9319] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 08/28/2018] [Indexed: 05/02/2023]
Abstract
One-pot oxidative transformation of alcohols into esters is very attractive, but metal-based catalysts are used in the reported routes. We discovered that the basic ionic liquid 1-ethyl-3-methylimidazolium acetate ([EMIM] OAc) could effectively catalyze this kind of reaction using O2 as an oxidant without any other catalysts or additives. The oxidative self-esterification of benzylic alcohols or aliphatic alcohols and cross-esterification between benzyl alcohols and aliphatic alcohols could all be achieved with high yields. Detailed study revealed that the cation with acidic proton and basic acetate anion could simultaneously form multiple hydrogen bonds with the hydroxyl groups of the alcohols, which catalyzed the reaction very effectively. As far as we know, this is the first work to carry out this kind of reaction under metal-free conditions.
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Affiliation(s)
- Mingyang Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zhanrong Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- Corresponding author. (B.H.); (Z.Z.)
| | - Huizhen Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zhenbing Xie
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Qingqing Mei
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Buxing Han
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Colloid and Interface and Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- Corresponding author. (B.H.); (Z.Z.)
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40
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Yasukawa T, Yang X, Kobayashi S. Development of N-Doped Carbon-Supported Cobalt/Copper Bimetallic Nanoparticle Catalysts for Aerobic Oxidative Esterifications Based on Polymer Incarceration Methods. Org Lett 2018; 20:5172-5176. [PMID: 30141952 DOI: 10.1021/acs.orglett.8b02118] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Heterogeneous nitrogen-doped carbon-incarcerated cobalt/copper bimetallic nanoparticle (NP) catalysts, prepared from nitrogen-containing polymers, were developed, and an efficient catalytic process for aerobic oxidative esterification was achieved in the presence of a low loading (1 mol %) of catalyst that could be reused and easily reactivated. This protocol enabled diverse conditions for the bimetallic NP formation step to be screened, and significant rate acceleration by inclusion of a copper dopant was discovered. The catalytic activity of the bimetallic Co/Cu catalysts is much higher than that for cobalt catalysts reported to date and is even comparable with noble-metal NP catalysts.
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Affiliation(s)
- Tomohiro Yasukawa
- Department of Chemistry, School of Science , The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan
| | - Xi Yang
- Department of Chemistry, School of Science , The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan
| | - Shu Kobayashi
- Department of Chemistry, School of Science , The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan
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41
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Zirconocene-catalysed biodiesel synthesis from vegetable oil with high free fatty acid contents. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.06.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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42
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Miyamura H, Suzuki A, Yasukawa T, Kobayashi S. Polysilane-Immobilized Rh-Pt Bimetallic Nanoparticles as Powerful Arene Hydrogenation Catalysts: Synthesis, Reactions under Batch and Flow Conditions and Reaction Mechanism. J Am Chem Soc 2018; 140:11325-11334. [PMID: 30080963 DOI: 10.1021/jacs.8b06015] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Hydrogenation of arenes is an important reaction not only for hydrogen storage and transport but also for the synthesis of functional molecules such as pharmaceuticals and biologically active compounds. Here, we describe the development of heterogeneous Rh-Pt bimetallic nanoparticle catalysts for the hydrogenation of arenes with inexpensive polysilane as support. The catalysts could be used in both batch and continuous-flow systems with high performance under mild conditions and showed wide substrate generality. In the continuous-flow system, the product could be obtained by simply passing the substrate and 1 atm H2 through a column packed with the catalyst. Remarkably, much higher catalytic performance was observed in the flow system than in the batch system, and extremely strong durability under continuous-flow conditions was demonstrated (>50 days continuous run; turnover number >3.4 × 105). Furthermore, details of the reaction mechanisms and the origin of different kinetics in batch and flow were studied, and the obtained knowledge was applied to develop completely selective arene hydrogenation of compounds containing two aromatic rings toward the synthesis of an active pharmaceutical ingredient.
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Affiliation(s)
- Hiroyuki Miyamura
- Department of Chemistry, School of Science , The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan
| | - Aya Suzuki
- Department of Chemistry, School of Science , The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan
| | - Tomohiro Yasukawa
- Department of Chemistry, School of Science , The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan
| | - Shu Kobayashi
- Department of Chemistry, School of Science , The University of Tokyo , Hongo, Bunkyo-ku, Tokyo 113-0033 , Japan
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43
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Fang K, Li G, She Y. Metal-Free Aerobic Oxidation of Nitro-Substituted Alkylarenes to Carboxylic Acids or Benzyl Alcohols Promoted by NaOH. J Org Chem 2018; 83:8092-8103. [PMID: 29905478 DOI: 10.1021/acs.joc.8b00903] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Efficient and selective aerobic oxidation of nitro-substituted alkylarenes to functional compounds is a fundamental process that remains a challenge. Here, we report a metal-free, efficient, and practical approach for the direct and selective aerobic oxidation of nitro-substituted alkylarenes to carboxylic acids or benzyl alcohols. This sustainable system uses O2 as clean oxidant in a cheap and green NaOH/EtOH mixture. The position and type of substituent critically affect the products. In addition, this sustainable protocol enabled gram-scale preparation of carboxylic acid and benzyl alcohol derivatives with high chemoselectivities. Finally, the reactions can be conducted in a pressure reactor, which can conserve oxygen and prevent solvent loss. The approach was conducive to environmental protection and potential industrial application.
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Affiliation(s)
- Kun Fang
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , People's Republic of China
| | - Guijie Li
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , People's Republic of China
| | - Yuanbin She
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , People's Republic of China
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44
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Preger Y, Root TW, Stahl SS. Platinum-Based Heterogeneous Catalysts for Nitrile Synthesis via Aerobic Oxidative Coupling of Alcohols and Ammonia. ACS OMEGA 2018; 3:6091-6096. [PMID: 31458796 PMCID: PMC6644636 DOI: 10.1021/acsomega.8b00911] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 05/21/2018] [Indexed: 06/10/2023]
Abstract
Transition-metal-catalyzed aerobic oxidative coupling of alcohols and ammonia represents an attractive atom-economical synthetic route to prepare nitriles. Heterogeneous platinum catalysts have been widely used for aerobic alcohol oxidation to aldehydes and carboxylic acids but have not been applied to nitrile synthesis. In this work, we show that carbon-supported Pt catalysts are effective for this transformation. Unpromoted Pt is competent with benzylic substrates bearing either electron-donating or electron-withdrawing substituents. Use of both K2CO3 and Bi additives accelerates the rate of alcohol oxidation and affords high yields with challenging heterocyclic alcohols.
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Affiliation(s)
- Yuliya Preger
- Department
of Chemical and Biological Engineering, University of Wisconsin—Madison, 1415 Engineering Drive, Madison, Wisconsin 53706, United States
| | - Thatcher W. Root
- Department
of Chemical and Biological Engineering, University of Wisconsin—Madison, 1415 Engineering Drive, 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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45
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Schilling W, Riemer D, Zhang Y, Hatami N, Das S. Metal-Free Catalyst for Visible-Light-Induced Oxidation of Unactivated Alcohols Using Air/Oxygen as an Oxidant. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01067] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Waldemar Schilling
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Daniel Riemer
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Yu Zhang
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Nareh Hatami
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Shoubhik Das
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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46
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Riemer D, Mandaviya B, Schilling W, Götz AC, Kühl T, Finger M, Das S. CO2-Catalyzed Oxidation of Benzylic and Allylic Alcohols with DMSO. ACS Catal 2018. [DOI: 10.1021/acscatal.7b04390] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Daniel Riemer
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Bhavdip Mandaviya
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Waldemar Schilling
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Anne Charlotte Götz
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Torben Kühl
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Markus Finger
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Shoubhik Das
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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47
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Mannel DS, King J, Preger Y, Ahmed MS, Root TW, Stahl SS. Mechanistic Insights into Aerobic Oxidative Methyl Esterification of Primary Alcohols with Heterogeneous PdBiTe Catalysts. ACS Catal 2018. [DOI: 10.1021/acscatal.7b02886] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David S. Mannel
- Department of Chemical
and Biological Engineering and ‡Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Jesaiah King
- Department of Chemical
and Biological Engineering and ‡Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Yuliya Preger
- Department of Chemical
and Biological Engineering and ‡Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Maaz S. Ahmed
- Department of Chemical
and Biological Engineering and ‡Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Thatcher W. Root
- Department of Chemical
and Biological Engineering and ‡Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
| | - Shannon S. Stahl
- Department of Chemical
and Biological Engineering and ‡Department of Chemistry, University of Wisconsin—Madison, Madison, Wisconsin 53706, United States
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48
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Hermes ED, Janes AN, Schmidt JR. Mechanistic Insights into Solution-Phase Oxidative Esterification of Primary Alcohols on Pd(111) from First-Principles Microkinetic Modeling. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02329] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Eric D. Hermes
- Department of Chemistry and
Theoretical Chemistry Institute, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Aurora N. Janes
- Department of Chemistry and
Theoretical Chemistry Institute, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - J. R. Schmidt
- Department of Chemistry and
Theoretical Chemistry Institute, University of Wisconsin−Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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49
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Malik G, Swyka RA, Tiwari VK, Fei X, Applegate GA, Berkowitz DB. A thiocyanopalladation/carbocyclization transformation identified through enzymatic screening: stereocontrolled tandem C-SCN and C-C bond formation. Chem Sci 2017; 8:8050-8060. [PMID: 29568453 PMCID: PMC5855125 DOI: 10.1039/c7sc04083k] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 09/29/2017] [Indexed: 12/31/2022] Open
Abstract
Herein we describe a formal thiocyanopalladation/carbocyclization transformation and its parametrization and optimization using a new elevated temperature plate-based version of our visual colorimetric enzymatic screening method for reaction discovery. The carbocyclization step leads to C-SCN bond formation in tandem with C-C bond construction and is highly stereoselective, showing nearly absolute 1,2-anti-stereoinduction (5 examples) for substrates bearing allylic substitution, and nearly absolute 1,3-syn-stereoinduction (16 examples) for substrates bearing propargylic substitution. Based upon these high levels of stereoinduction, the dependence of the 1,2-stereoinduction upon cyclization substrate geometry, and the generally high preference for the transoid vinyl thiocyanate alkene geometry, a mechanistic model is proposed, involving (i) Pd(ii)-enyne coordination, (ii) thiocyanopalladation, (iii) migratory insertion and (iv) β-elimination. Examples of transition metal-mediated C-SCN bond formation that proceed smoothly on unactivated substrates and allow for preservation of the SCN moiety are lacking. Yet, the thiocyanate functionality is of great value for biophysical chemistry (vibrational Stark effect) and medicinal chemistry (S,N-heterocycle construction). The title transformation accommodates C-, O-, N- and S-bridged substrates (6 examples), thereby providing the corresponding carbocyclic or heterocyclic scaffolds. The reaction is also shown to be compatible with a significant range of substituents, varying in steric and electronic demand, including a wide range of substituted aromatics, fused bicyclic and heterocyclic systems, and even biaryl systems. Combination of this new transformation with asymmetric allylation and Grubbs ring-closing metathesis provides for a streamlined enantio- and diastereoselective entry into the oxabicyclo[3.2.1]octyl core of the natural products massarilactone and annuionone A, as also evidenced by low temperature X-ray crystal structure determination. Utilizing this bicyclic scaffold, we demonstrate the versatility of the thiocyanate moiety for structural diversification post-cyclization. Thus, the bridging vinyl thiocyanate moiety is smoothly elaborated into a range of derivative functionalities utilizing transformations that cleave the S-CN bond, add the elements of RS-CN across a π-system and exploit the SCN moiety as a cycloaddition partner (7 diverse examples). Among the new functionalities thereby generated are thiotetrazole and sulfonyl tetrazole heterocycles that serve as carboxylate and phosphate surrogates, respectively, highlighting the potential of this approach for future applications in medicinal chemistry or chemical biology.
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Affiliation(s)
- G Malik
- Department of Chemistry , University of Nebraska , Lincoln , NE 68588 , USA .
| | - R A Swyka
- Department of Chemistry , University of Nebraska , Lincoln , NE 68588 , USA .
| | - V K Tiwari
- Department of Chemistry , University of Nebraska , Lincoln , NE 68588 , USA .
| | - X Fei
- Department of Chemistry , University of Nebraska , Lincoln , NE 68588 , USA .
| | - G A Applegate
- Department of Chemistry , University of Nebraska , Lincoln , NE 68588 , USA .
| | - D B Berkowitz
- Department of Chemistry , University of Nebraska , Lincoln , NE 68588 , USA .
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50
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Hu Y, Li B. Efficient and selective palladium-catalyzed direct oxidative esterification of benzylic alcohols under aerobic conditions. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.11.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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