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Lopes JC, Moniz T, Sampaio MJ, Silva CG, Rangel M, Faria JL. Efficient synthesis of imines using carbon nitride as photocatalyst. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.114045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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2
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Xian C, He J, He Y, Nie J, Yuan Z, Sun J, Martens WN, Qin J, Zhu HY, Zhang Z. High Nitrile Yields of Aerobic Ammoxidation of Alcohols Achieved by Generating •O 2- and Br • Radicals over Iron-Modified TiO 2 Photocatalysts. J Am Chem Soc 2022; 144:23321-23331. [PMID: 36516341 DOI: 10.1021/jacs.2c07061] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Catalytic ammoxidation of alcohols into nitriles is an essential reaction in organic synthesis. While highly desirable, conducting the synthesis at room temperature is challenging, using NH3 as the nitrogen source, O2 as the oxidant, and a catalyst without noble metals. Herein, we report robust photocatalysts consisting of Fe(III)-modified titanium dioxide (Fe/TiO2) for ammoxidation reactions at room temperature utilizing oxygen at atmospheric pressure, NH3 as the nitrogen source, and NH4Br as an additive. To the best of our knowledge, this is the first example of catalytic ammoxidation of alcohols over a photocatalyst using such cheap and benign materials. Various (hetero) aromatic nitriles were synthesized at high yields, and aliphatic alcohols could also be transformed into corresponding nitriles at considerable yields. The modification of TiO2 with Fe(III) facilitates the formation of active •O2- radicals and increases the adsorption of NH3 and amino intermediates on the catalyst, accelerating the ammoxidation to yield nitriles. The additive NH4Br impressively improves the catalytic efficiency via the formation of bromine radicals (Br•) from Br-, which works synergistically with •O2- to capture H• from Cα-H, which is present in benzyl alcohol and the intermediate aldimine (RCH═NH), to generate the active carbon-centered radicals. Further, the generation of Br• from the Br- additive consumes the photogenerated holes and OH• radicals to prevent over-oxidation, significantly improving the selectivity toward nitriles. This amalgamation of function and synergy of the Fe(III)-doped TiO2 and NH4Br reveals new opportunities for developing semiconductor-based photocatalytic systems for fine chemical synthesis.
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Affiliation(s)
- Chensheng Xian
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Jie He
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Yurong He
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Jiabao Nie
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Ziliang Yuan
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Jie Sun
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Wayde N Martens
- School of Chemistry and Physics, Queensland University of Technology, Brisbane, Queensland 4001, Australia
| | - Jingzhong Qin
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Huai-Yong Zhu
- School of Chemistry and Physics, Queensland University of Technology, Brisbane, Queensland 4001, Australia
| | - Zehui Zhang
- School of Chemistry and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
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3
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Wang R, Lu K, Zhang J, Li X, Zheng Z. Regulation of the Co–N x Active Sites of MOF-Templated Co@NC Catalysts via Au Doping for Boosting Oxidative Esterification of Alcohols. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ruiyi Wang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Kuan Lu
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
| | - Jin Zhang
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xincheng Li
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhanfeng Zheng
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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Sun Y, Shin H, Wang F, Tian B, Chiang CW, Liu S, Li X, Wang Y, Tang L, Goddard WA, Ding M. Highly Selective Electrocatalytic Oxidation of Amines to Nitriles Assisted by Water Oxidation on Metal-Doped α-Ni(OH) 2. J Am Chem Soc 2022; 144:15185-15192. [PMID: 35948416 DOI: 10.1021/jacs.2c05403] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Selective oxidation to synthesize nitriles is critical for feedstock manufacturing in the chemical industry. Current strategies typically involve substitutions of alkyl halides with toxic cyanides or the use of strong oxidation reagents (oxygen or peroxide) under ammoxidation/oxidation conditions, setting considerable challenges in energy efficiency, sustainability, and production safety. Herein, we demonstrate a facile, green, and safe electrocatalytic route for selective oxidation of amines to nitriles under ambient conditions, assisted by the anodic water oxidation on metal-doped α-Ni(OH)2 (a typical oxygen evolution reaction catalyst). By controlling the balance between co-adsorption of the amine molecule and hydroxyls on the catalyst surface, we demonstrate that Mn doping significantly promotes the subsequent chemical oxidation of amines, resulting in Faradaic efficiencies of 96% for nitriles under ≥99% conversion. This anodic oxidation is further coupled with cathodic hydrogen evolution for overall atomic economy and additional green energy production.
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Affiliation(s)
- Yuxia Sun
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hyeyoung Shin
- Graduate School of Energy Science and Technology (GEST), Chungnam National University, Daejeon 34134, Republic of Korea
| | - Fangyuan Wang
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Bailin Tian
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Chen-Wei Chiang
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Shengtang Liu
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xiaoshan Li
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yiqi Wang
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Lingyu Tang
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - William A Goddard
- Materials and Process Simulation Center (MSC) and Liquid Sunlight Alliance (LiSA), California Institute of Technology, Pasadena, California 91125, United States
| | - Mengning Ding
- Key Laboratory of Mesoscopic Chemistry, State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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5
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Wu C, Bu J, Wang W, Shen H, Cao Y, Zhang H. Imine Synthesis by Benzylamine Self-Coupling Catalyzed by Cerium-Doped MnO 2 under Mild Conditions. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00311] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chen Wu
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, PR China
- Xi’an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710129, PR China
| | - Jun Bu
- Xi’an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710129, PR China
| | - Wenbin Wang
- Xi’an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710129, PR China
| | - Haidong Shen
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, PR China
- Xi’an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710129, PR China
| | - Yueling Cao
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, PR China
- Xi’an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710129, PR China
- Chongqing Science and Technology Innovation Center of Northwestern Polytechnical University, Chongqing 401135, PR China
| | - Hepeng Zhang
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518057, PR China
- Xi’an Key Laboratory of Functional Organic Porous Materials, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710129, PR China
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Zhang J, Gao M, Wang R, Li X, Zhu P, Wang Y, Zheng Z. Oxygen Vacancies Regulated Selective Hydrogenation of α,β-unsaturated Aldehydes over LDH Surface Group Coordinated Transition Metal Photocatalysts. Catal Sci Technol 2022. [DOI: 10.1039/d2cy01298g] [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
Selective hydrogenation of α,β-unsaturated aldehydes under mild conditions is a great challenge in achieving synthesis of corresponding alcohols. Herein, we report that a series of oxygen vacancies enriched MgAl-LDH coordinated...
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Covalent-organic frameworks with keto-enol tautomerism for efficient photocatalytic oxidative coupling of amines to imines under visible light. Sci China Chem 2021. [DOI: 10.1007/s11426-021-1088-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Tian Z, Han C, Zhao Y, Dai W, Lian X, Wang Y, Zheng Y, Shi Y, Pan X, Huang Z, Li H, Chen W. Efficient photocatalytic hydrogen peroxide generation coupled with selective benzylamine oxidation over defective ZrS 3 nanobelts. Nat Commun 2021; 12:2039. [PMID: 33795681 PMCID: PMC8016833 DOI: 10.1038/s41467-021-22394-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 03/03/2021] [Indexed: 02/01/2023] Open
Abstract
Photocatalytic hydrogen peroxide (H2O2) generation represents a promising approach for artificial photosynthesis. However, the sluggish half-reaction of water oxidation significantly limits the efficiency of H2O2 generation. Here, a benzylamine oxidation with more favorable thermodynamics is employed as the half-reaction to couple with H2O2 generation in water by using defective zirconium trisulfide (ZrS3) nanobelts as a photocatalyst. The ZrS3 nanobelts with disulfide (S22-) and sulfide anion (S2-) vacancies exhibit an excellent photocatalytic performance for H2O2 generation and simultaneous oxidation of benzylamine to benzonitrile with a high selectivity of >99%. More importantly, the S22- and S2- vacancies can be separately introduced into ZrS3 nanobelts in a controlled manner. The S22- vacancies are further revealed to facilitate the separation of photogenerated charge carriers. The S2- vacancies can significantly improve the electron conduction, hole extraction, and kinetics of benzylamine oxidation. As a result, the use of defective ZrS3 nanobelts yields a high production rate of 78.1 ± 1.5 and 32.0 ± 1.2 μmol h-1 for H2O2 and benzonitrile, respectively, under a simulated sunlight irradiation.
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Affiliation(s)
- Zhangliu Tian
- grid.263488.30000 0001 0472 9649SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, China ,grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Singapore
| | - Cheng Han
- grid.263488.30000 0001 0472 9649SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, China
| | - Yao Zhao
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Singapore ,grid.4280.e0000 0001 2180 6431Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, China
| | - Wenrui Dai
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Singapore
| | - Xu Lian
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Singapore
| | - Yanan Wang
- grid.4280.e0000 0001 2180 6431Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore, Singapore
| | - Yue Zheng
- grid.4280.e0000 0001 2180 6431Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore, Singapore
| | - Yi Shi
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Singapore
| | - Xuan Pan
- grid.263488.30000 0001 0472 9649SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, China ,grid.4280.e0000 0001 2180 6431Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore, Singapore
| | - Zhichao Huang
- grid.263488.30000 0001 0472 9649SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, China ,grid.4280.e0000 0001 2180 6431Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore, Singapore
| | - Hexing Li
- grid.412531.00000 0001 0701 1077International Joint Lab on Resource Chemistry, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, China
| | - Wei Chen
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, Singapore ,grid.4280.e0000 0001 2180 6431Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, China ,grid.4280.e0000 0001 2180 6431Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore, Singapore
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Patel RI, Sharma S, Sharma A. Cyanation: a photochemical approach and applications in organic synthesis. Org Chem Front 2021. [DOI: 10.1039/d1qo00162k] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review summarises the photocatalytic cyanation strategies to construct C(sp2)–CN, C(sp3)–CN and X–CN (X = N, S) bonds.
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Affiliation(s)
- Roshan I. Patel
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Shivani Sharma
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Anuj Sharma
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
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Wang T, Tao X, Li X, Zhang K, Liu S, Li B. Synergistic Pd Single Atoms, Clusters, and Oxygen Vacancies on TiO 2 for Photocatalytic Hydrogen Evolution Coupled with Selective Organic Oxidation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006255. [PMID: 33325647 DOI: 10.1002/smll.202006255] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/29/2020] [Indexed: 06/12/2023]
Abstract
Developing efficient photocatalysts for synchronously producing H2 and high value-added chemicals holds great promise to enhance solar energy conversion. Herein, a facile strategy of simultaneously engineering Pd cocatalyst and oxygen vacancies (VO s) on TiO2 to promote H2 production coupled with selective oxidation of benzylamine is demonstrated. The optimized PdSA+C /TiO2 -VO photocatalyst containing Pd single atoms (SAs), clusters (C), and VO s exhibits much superior performance to those of TiO2 -VO and PdSA /TiO2 -VO counterparts. The production rates of H2 and N-benzylidenebenzylamine over PdSA+C /TiO2 -VO are 52.7 and 1.5 times those over TiO2 -VO , respectively. Both experimental and theoretical studies have elucidated the synergistic effect of Pd SAs, clusters, and VO s on TiO2 in boosting the photocatalytic reaction. The presence of Pd SAs facilitates the generation and stabilization of abundant VO s by the formation of PdOTi3+ atomic interface, while Pd clusters promote the photogenerated charge separation and afford the optimum active sites for H2 evolution. Surface VO s of TiO2 guarantee the efficient adsorption and dissociation/activation of reactant molecules. This study reveals the effect of active-site engineering on the photocatalysis and is expected to shed substantial light on future structure design and modulation of semiconductor photocatalysts.
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Affiliation(s)
- Ting Wang
- Department of Chemistry, College of Science, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Xueqin Tao
- Department of Chemistry, College of Science, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Xiaoli Li
- Department of Chemistry, College of Science, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Kun Zhang
- Department of Chemistry, College of Science, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Shoujie Liu
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Normal University, Wuhu, 241002, P. R. China
| | - Benxia Li
- Department of Chemistry, College of Science, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
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Mahmoud Y, Attia Y, Nazer HE, Solum E. An overview on recent development in visible light-mediated organic synthesis over heterogeneous photo-nanocatalysts. Curr Org Synth 2020; 18:23-36. [PMID: 33019933 DOI: 10.2174/1570179417666201005145103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/29/2020] [Accepted: 08/05/2020] [Indexed: 11/22/2022]
Abstract
The implementation of heterogeneous photo-nanocatalysts in organic syntheses has been investigated greatly in the last decade as a result of the increasing demand to achieve the organic reactions via the use of green approaches and through the availability of visible light source. Herein, the presented results describe the basic concepts and state-of-the-art of fundamental insight into key features that influence the catalytic performance in organic reactions to investigate and optimize a broad range of catalyzed organic transformations, that benefit the researchers in academia and chemical industry fields.
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Affiliation(s)
- Yasser Mahmoud
- Photochemistry Department, National Research Center, Dokki, Giza, P. O. 12622. Egypt
| | - Yasser Attia
- National Institute of Laser Enhanced Sciences, Cairo University, 12613. Egypt
| | - Hossam El Nazer
- Photochemistry Department, National Research Center, Dokki, Giza, P. O. 12622. Egypt
| | - Eirik Solum
- Faculty of Health Sciences, NORD University, 7800, Namsos. Norway
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12
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Patil RD, Gupta MK. Methods of Nitriles Synthesis from Amines through Oxidative Dehydrogenation. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000635] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Rajendra D. Patil
- School of Chemical Sciences KCES's Moolji Jaitha College, Jalgaon (An Autonomous college affiliated to KBC, North Maharashtra University, Jalgaon) Maharashtra India- 425002
| | - Maneesh Kumar Gupta
- Department of Chemistry Hotilal Ramnath College (A constituent unit of Jai Prakash University), Amnour, Chapra Bihar 841401
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