1
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Swift-Ramirez W, Whalen LA, Thompson LK, Shoemaker KE, Rubio AV, Weiss GA. Catalyst-Free, Three-Component Synthesis of Amidinomaleimides. J Org Chem 2024; 89:13756-13761. [PMID: 39178144 PMCID: PMC11421025 DOI: 10.1021/acs.joc.4c01485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 08/14/2024] [Accepted: 08/19/2024] [Indexed: 08/25/2024]
Abstract
Maleimide and amidine functionalities often appear in medicinal and natural product targets. We describe a catalyst-free, three-component coupling reaction for the synthesis of amidinomaleimides. This one-pot reaction fuses a broad range of secondary amines and aldehydes with azidomaleimides. The conditions are mild, simple, modular, high yielding, and amenable to aqueous solvents. Most reaction products can be sufficiently purified without column chromatography. The synthesis creates complex, multifunctional molecules with four different molecules, including a tripeptide, arrayed around an amidinomaleimide core.
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Affiliation(s)
- Wyatt
R. Swift-Ramirez
- Department
of Chemistry, University of California,
Irvine, 1102 Natural Sciences 2, Irvine, California 92697-2025, United States
| | - Lindsay A. Whalen
- Department
of Chemistry, University of California,
Irvine, 1102 Natural Sciences 2, Irvine, California 92697-2025, United States
| | - Lia K. Thompson
- Department
of Chemistry, University of California,
Irvine, 1102 Natural Sciences 2, Irvine, California 92697-2025, United States
| | - Kaylee E. Shoemaker
- Department
of Chemistry, University of California,
Irvine, 1102 Natural Sciences 2, Irvine, California 92697-2025, United States
| | - Aris V. Rubio
- Department
of Chemistry, University of California,
Irvine, 1102 Natural Sciences 2, Irvine, California 92697-2025, United States
| | - Gregory A. Weiss
- Department
of Chemistry, University of California,
Irvine, 1102 Natural Sciences 2, Irvine, California 92697-2025, United States
- Department
of Molecular Biology and Biochemistry, University
of California, Irvine, 3205 McGaugh Hall, Irvine, California 92697-3900, United States
- Department
of Pharmaceutical Sciences, University of
California, Irvine, 856
Health Sciences Road, Suite 5400, Irvine, California 92697-3958, United States
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2
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Ruiz-Almoguera D, Ventura-Espinosa D, Pérez-Bitrián A, Martín A, Mata JA, Baya M. Gold Trifluoromethyl Complexes as Efficient Regioselective Catalysts in Alkyne Hydration. Chemistry 2024; 30:e202401753. [PMID: 38924636 DOI: 10.1002/chem.202401753] [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: 05/03/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 06/28/2024]
Abstract
Gold(III) complexes containing trifluoromethyl ligands are efficient catalysts in the hydration of alkynes, operating at low catalyst loadings, without additives, using environmentally friendly solvents and at mild conditions (60 °C). Hydration of terminal and internal alkynes provides the corresponding ketones in quantitative yields without special precautions as dry solvents or inert atmospheres. Remarkably, hydration of asymmetric internal alkynes proceeds with moderate to notable regioselectivities, providing mixtures of the two possible isomers with ratios up to 90 : 10.
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Affiliation(s)
- David Ruiz-Almoguera
- Institute of Advanced Materials (INAM), Universitat Jaume I, Avda. Sos Baynat s/n, 12006, Castellón, Spain
| | - David Ventura-Espinosa
- Institute of Advanced Materials (INAM), Universitat Jaume I, Avda. Sos Baynat s/n, 12006, Castellón, Spain
| | - Alberto Pérez-Bitrián
- Instituto de Síntesis Química y Catálisis Homogénea (iSQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009, Zaragoza, Spain
- Current address: Institut für Chemie, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
| | - Antonio Martín
- Instituto de Síntesis Química y Catálisis Homogénea (iSQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - José A Mata
- Institute of Advanced Materials (INAM), Universitat Jaume I, Avda. Sos Baynat s/n, 12006, Castellón, Spain
| | - Miguel Baya
- Instituto de Síntesis Química y Catálisis Homogénea (iSQCH), CSIC-Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009, Zaragoza, Spain
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3
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Zhu P, Zhao Y, Ling S, Xu B, Liu H, Li X, Sun FG. Nickel-Catalyzed Desulfurative Cross-Coupling of Aryl Iodides with Heteroaromatic Thioethers via C-S Bond Cleavage. J Org Chem 2024; 89:12001-12009. [PMID: 39145751 DOI: 10.1021/acs.joc.4c00678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
Herein, we present a Ni-catalyzed direct cross-coupling of heteroaromatic thioethers with aryl iodides via selective C(sp2)-S bond cleavage under reductive conditions, thereby providing various biaryl frameworks with high efficiency. Mechanistic studies suggested Mo(CO)6 played a crucial role in facilitating the activation of the C(sp2)-S bond. This protocol demonstrated a wide substrate scope, operational simplicity, and good functional group compatibility. Furthermore, the utility of this reaction was highlighted by facile scale-up and sequential modification of heteroaryl frameworks.
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Affiliation(s)
- Pingliang Zhu
- School of Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, P. R. China
| | - Yu Zhao
- School of Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, P. R. China
| | - Shaowen Ling
- School of Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, P. R. China
| | - Baolong Xu
- School of Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, P. R. China
| | - Hui Liu
- School of Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, P. R. China
| | - Xinjin Li
- School of Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, P. R. China
| | - Feng-Gang Sun
- School of Chemical Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, P. R. China
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4
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Cui Q, Zhou M, Wen Q, Li L, Xiong C, Adeli M, Cheng L, Xu X, Ren X, Cheng C. Pyridine-Bridged Covalent Organic Frameworks with Adjustable Band Gaps as Intelligent Artificial Enzymes for Light-Augmented Biocatalytic Sensing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2401673. [PMID: 38721983 DOI: 10.1002/smll.202401673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/12/2024] [Indexed: 10/01/2024]
Abstract
One of the biggest challenges in biotechnology and medical diagnostics is finding extremely sensitive and adaptable biosensors. Since metal-based enzyme-mimetic biocatalysts may lead to biosafety concerns on accumulative toxicity, it is essential to synthesize metal-free enzyme-mimics with optimal biocatalytic activity and superior selectivity. Here, the pyridine-bridged covalent organic frameworks (COFs) with specific oxidase-like (OXD-like) activities as intelligent artificial enzymes for light-augmented biocatalytic sensing of biomarkers are disclosed. Because of the adjustable bandgaps of pyridine structures on the photocatalytic properties of the pristine COF structures, the pyridine-bridged COF exhibit efficient, selective, and light-responsive OXD-like biocatalytic activity. Moreover, the pyridine-bridged COF structures show tunable and light-augmented biocatalytic detection capabilities, which outperform the recently reported state-of-the-art OXD-mimics regarding biosensing efficiency. Notably, the pyridine-bridged COF exhibits efficient and multifaceted diagnostic activity, including the extremely low limit of detection (LOD), which enables visual assays for abundant reducibility biomarkers. It is believed that this design will offer unique metal-free biocatalysts for high-sensitive and low-cost colorimetric detection and also provide new insights to create highly efficient enzyme-like COF materials via linkage-modulation strategies for future biocatalytic applications.
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Affiliation(s)
- Qiqi Cui
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Mi Zhou
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Qinlong Wen
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610000, China
| | - Lin Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Chao Xiong
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Mohsen Adeli
- Institute of Chemistry and Biochemistry, Freie Universitat Berlin, Takustr. 3, 14195, Berlin, Germany
- Department of Organic Chemistry, Faculty of Chemistry, Lorestan University, Khorramabad, 68137-17133, Iran
| | - Liang Cheng
- Department of Materials Science and Engineering, The Macau University of Science and Technology, Taipa, Macau, 999078, China
| | - Xiaohui Xu
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiancheng Ren
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Chong Cheng
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
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5
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Yuan L, Wang Z, Zhuang W, Li X, Shi C, Li X, Shi D. Visible-Light-Driven Iron-Catalyzed 1,2-Difluoroalkylthiolation of Alkenes. Org Lett 2024; 26:7066-7071. [PMID: 39133198 DOI: 10.1021/acs.orglett.4c02715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
Abstract
The synthesis of medicinally interesting aryldifluoromethylated compounds has drawn significant research attention in recent years. Herein, we report an unprecedented iron-mediated process for the selective defluorination of trifluoromethylarenes to achieve the 1,2-difluoroalkylthiolation of alkenes. Preliminary mechanistic studies revealed that thiolate anion, trifluoromethylarene, and iron cation could form an electron donor-acceptor (EDA) complex, which induced selective defluorination and then difunctionalization of alkenes to obtain aryldifluoromethylated products. The generated aryldifluoromethylated compounds make it difficult to form an EDA complex again, thus avoiding excessive defluorination. This conversion has concise and ambient reaction conditions and provides an alternative solution for obtaining difluorobenzylic intermediates.
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Affiliation(s)
- Leifeng Yuan
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Zemin Wang
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Wenli Zhuang
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Xiaowei Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Cong Shi
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Xiangqian Li
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
| | - Dayong Shi
- State Key Laboratory of Microbial Technology, Shandong University, 72 Binhai Road, Qingdao 266237, Shandong, P. R. China
- Laboratory of Marine Drugs and Biological Products, Pilot National Laboratory for Marine Science and Technology, 168 Weihai Road, Qingdao 266237, Shandong, P. R. China
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6
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Zhao H, Ravn AK, Haibach MC, Engle KM, Johansson Seechurn CCC. Diversification of Pharmaceutical Manufacturing Processes: Taking the Plunge into the Non-PGM Catalyst Pool. ACS Catal 2024; 14:9708-9733. [PMID: 38988647 PMCID: PMC11232362 DOI: 10.1021/acscatal.4c01809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 07/12/2024]
Abstract
Recent global events have led to the cost of platinum group metals (PGMs) reaching unprecedented heights. Many chemical companies are therefore starting to seriously consider and evaluate if and where they can substitute PGMs for non-PGMs in their catalytic processes. This review covers recent highly relevant applications of non-PGM catalysts in the modern pharmaceutical industry. By highlighting these selected successful examples of non-PGM-catalyzed processes from the literature, we hope to emphasize the enormous potential of non-PGM catalysis and inspire further development within this field to enable this technology to progress toward manufacturing processes. We also present some historical contexts and review the perceived advantages and challenges of implementing non-PGM catalysts in the pharmaceutical manufacturing environment.
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Affiliation(s)
- Hui Zhao
- Sinocompound
Catalysts, Building C,
Bonded Area Technology Innovation Zone, Zhangjiagang, Jiangsu 215634, China
| | - Anne K. Ravn
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Michael C. Haibach
- Process
Research and Development, AbbVie Inc., 1 North Waukegan Road, North Chicago, Illinois 60064, United States
| | - Keary M. Engle
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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7
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Zhou D, Li Z, Hu X, Chen L, Zhu M. Single Atom Catalyst in Persulfate Oxidation Reaction: From Atom Species to Substance. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311691. [PMID: 38440836 DOI: 10.1002/smll.202311691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/09/2024] [Indexed: 03/06/2024]
Abstract
With maximum utilization of active metal sites, more and more researchers have reported using single atom catalysts (SACs) to activate persulfate (PS) for organic pollutants removal. In SACs, single metal atoms (Fe, Co, Cu, Mn, etc.) and different substrates (porous carbon, biochar, graphene oxide, carbon nitride, MOF, MoS2, and others) are the basic structural. Metal single atoms, substances, and connected chemical bonds all have a great influence on the electronic structures that directly affect the activation process of PS and degradation efficiency to organic pollutants. However, there are few relevant reviews about the interaction between metal single atoms and substances during PS activation process. In this review, the SACs with different metal species and substrates are summarized to investigate the metal-support interaction and evaluate their effects on PS oxidation reaction process. Furthermore, how metal atoms and substrates affect the reactive species and degradation pathways are also discussed. Finally, the challenges and prospects of SACs in PS-AOPs are proposed.
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Affiliation(s)
- Daixi Zhou
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, P. R. China
| | - Zhi Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, P. R. China
| | - Xinjiang Hu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, P. R. China
| | - Li Chen
- Department of General Practice, First Medical Center, Chinese PLA General Hospital, Beijing, 100853, P. R. China
| | - Mingshan Zhu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, P. R. China
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8
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Strauss MJ, Greaves ME, Kim ST, Teijaro CN, Schmidt MA, Scola PM, Buchwald SL. Room-Temperature Copper-Catalyzed Etherification of Aryl Bromides. Angew Chem Int Ed Engl 2024; 63:e202400333. [PMID: 38359082 PMCID: PMC11045308 DOI: 10.1002/anie.202400333] [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: 01/05/2024] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 02/17/2024]
Abstract
We disclose the development of a Cu-catalyzed C-O coupling method utilizing a new N1,N2-diarylbenzene-1,2-diamine ligand, L8. Under optimized reaction conditions, structurally diverse aryl and heteroaryl bromides underwent efficient coupling with a variety of alcohols at room temperature using an L8-based catalyst. Notably, the L8-derived catalyst exhibited enhanced activity when compared to the L4-based system previously disclosed for C-N coupling, namely the ability to functionalize aryl bromides containing acidic functional groups. Mechanistic studies demonstrate that C-O coupling utilizing L8 ⋅ Cu involves rate-limiting alkoxide transmetallation, resulting in a mechanism of C-O bond formation that is distinct from previously described Pd-, Cu-, or Ni-based systems. This lower energy pathway leads to rapid C-O bond formation; a 7-fold increase relative to what is seen with other ligands. The results presented in this report overcome limitations in previously described C-O coupling methods and introduce a new ligand that we anticipate may be useful in other Cu-catalyzed C-heteroatom bond-forming reactions.
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Affiliation(s)
- Michael J Strauss
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, United States of America
| | - Megan E Greaves
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, United States of America
| | - Seoung-Tae Kim
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, United States of America
| | - Christiana N Teijaro
- Department of Discovery Chemistry, Bristol-Myers Squibb, Rt. 206 and Province Line Rd., Princeton, NJ 08543, United States of America
| | - Michael A Schmidt
- Chemical Process Development, Bristol-Myers Squibb, 1 Squibb Dr., New Brunswick, NJ 08901, United States of America
| | - Paul M Scola
- Department of Discovery Chemistry, Bristol-Myers Squibb, 250 Water St., Cambridge, MA 02141, United States of America
| | - Stephen L Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, United States of America
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9
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Li P, Li S, Dai X, Gao S, Song Z, Jiang Q. Ring-Opening Polymerization of Cyclohexene Oxide and Cycloaddition with CO 2 Catalyzed by Amine Triphenolate Iron(III) Complexes. Molecules 2024; 29:2139. [PMID: 38731630 PMCID: PMC11085797 DOI: 10.3390/molecules29092139] [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: 04/17/2024] [Revised: 04/29/2024] [Accepted: 05/01/2024] [Indexed: 05/13/2024] Open
Abstract
A series of novel amine triphenolate iron complexes were synthesized and characterized using UV, IR, elemental analysis, and high-resolution mass spectrometry. These complexes were applied to the ring-opening polymerization (ROP) of cyclohexene oxide (CHO), demonstrating excellent activity (TOF > 11050 h-1) in the absence of a co-catalyst. In addition, complex C1 maintained the dimer in the presence of the reaction substrate CHO, catalyzing the ring-opening polymerization of CHO to PCHO through bimetallic synergy. Furthermore, a two-component system consisting of iron complexes and TBAB displayed the ability to catalyze the reaction of CHO with CO2, resulting in the formation of cis-cyclic carbonate with high selectivity. Complex C4 exhibited the highest catalytic activity, achieving 80% conversion of CHO at a CHO/C4/TBAB molar ratio of 2000/1/8 and a CO2 pressure of 3 MPa for 16 h at 100 °C, while maintaining >99% selectivity of cis-cyclic carbonates, which demonstrated good conversion and selectivity.
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Affiliation(s)
- Peng Li
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum, Beijing 102249, China; (P.L.); (S.L.); (X.D.)
| | - Sixuan Li
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum, Beijing 102249, China; (P.L.); (S.L.); (X.D.)
| | - Xin Dai
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum, Beijing 102249, China; (P.L.); (S.L.); (X.D.)
| | - Shifeng Gao
- CNPC Engineering Technology R&D Company Ltd., Beijing 102206, China;
| | - Zhaozheng Song
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum, Beijing 102249, China; (P.L.); (S.L.); (X.D.)
| | - Qingzhe Jiang
- State Key Laboratory of Heavy Oil Processing, College of Science, China University of Petroleum, Beijing 102249, China; (P.L.); (S.L.); (X.D.)
- School of International Trade and Economics, University of International Business and Economics, Beijing 100029, China
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10
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Meese AF, Napier C, Kim DJ, Rigby K, Hedtke T, Leshchev D, Stavitski E, Parent LR, Kim JH. Underpotential Deposition of 3D Transition Metals: Versatile Electrosynthesis of Single-Atom Catalysts on Oxidized Carbon Supports. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311341. [PMID: 38332453 DOI: 10.1002/adma.202311341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/26/2024] [Indexed: 02/10/2024]
Abstract
Use of single-atom catalysts (SACs) has become a popular strategy for tuning activity and selectivity toward specific pathways. However, conventional SAC synthesis methods require high temperatures and pressures, complicated procedures, and expensive equipment. Recently, underpotential deposition (UPD) has been investigated as a promising alternative, yielding high-loading SAC electrodes under ambient conditions and within minutes. Yet only few studies have employed UPD to synthesize SACs, and all have been limited to UPD of Cu. In this work, a flexible UPD approach for synthesis of mono- and bi-metallic Cu, Fe, Co, and Ni SACs directly on oxidized, commercially available carbon electrodes is reported. The UPD mechanism is investigated using in situ X-ray absorption spectroscopy and, finally, the catalytic performance of a UPD-synthesized Co SAC is assessed for electrochemical nitrate reduction to ammonia. The findings expand upon the usefulness and versatility of UPD for SAC synthesis, with hopes of enabling future research toward realization of fast, reliable, and fully electrified SAC synthesis processes.
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Affiliation(s)
- Aidan Francis Meese
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Cade Napier
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - David J Kim
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Kali Rigby
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Tayler Hedtke
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
| | - Denis Leshchev
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Eli Stavitski
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Lucas R Parent
- Innovation Partnership Building, University of Connecticut, 159 Discovery Dr., Storrs, CT, 06269, USA
| | - Jae-Hong Kim
- Department of Chemical & Environmental Engineering, Yale University, New Haven, CT 06520, USA
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11
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Shlapakov NS, Kobelev AD, Burykina JV, Cheng YZ, You SL, Ananikov VP. Sulfur in Waste-Free Sustainable Synthesis: Advancing Carbon-Carbon Coupling Techniques. Angew Chem Int Ed Engl 2024; 63:e202402109. [PMID: 38421344 DOI: 10.1002/anie.202402109] [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: 01/30/2024] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/02/2024]
Abstract
This review explores the pivotal role of sulfur in advancing sustainable carbon-carbon (C-C) coupling reactions. The unique electronic properties of sulfur, as a soft Lewis base with significant mesomeric effect make it an excellent candidate for initiating radical transformations, directing C-H-activation, and facilitating cycloaddition and C-S bond dissociation reactions. These attributes are crucial for developing waste-free methodologies in green chemistry. Our mini-review is focused on existing sulfur-directed C-C coupling techniques, emphasizing their sustainability and comparing state-of-the-art methods with traditional approaches. The review highlights the importance of this research in addressing current challenges in organic synthesis and catalysis. The innovative use of sulfur in photocatalytic, electrochemical and metal-catalyzed processes not only exemplifies significant advancements in the field but also opens new avenues for environmentally friendly chemical processes. By focusing on atom economy and waste minimization, the analysis provides broad appeal and potential for future developments in sustainable organic chemistry.
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Affiliation(s)
- Nikita S Shlapakov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, 119991, Moscow, Russia
| | - Andrey D Kobelev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, 119991, Moscow, Russia
| | - Julia V Burykina
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, 119991, Moscow, Russia
| | - Yuan-Zheng Cheng
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, 200032, Shanghai, China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, 200032, Shanghai, China
| | - Valentine P Ananikov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect, 47, 119991, Moscow, Russia
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12
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Semenya J, Yang Y, Picazo E. Cross-Electrophile Coupling of Benzyl Halides and Disulfides Catalyzed by Iron. J Am Chem Soc 2024; 146:4903-4912. [PMID: 38346333 PMCID: PMC10910570 DOI: 10.1021/jacs.3c13984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/22/2024] [Accepted: 01/24/2024] [Indexed: 02/22/2024]
Abstract
Cross-electrophile couplings are influential reactions that typically require a terminal reductant or photoredox conditions. We discovered an iron-catalyzed reaction that couples benzyl halides with disulfides to yield thioether products in the absence of a terminal reductant and under photoredox conditions. The disclosed platform proceeds without sulfur-induced catalyst poisoning or the use of an exogenous base, supporting a broad scope and circumventing undesired elimination pathways. We applied the developed chemistry in a new mode of disulfide bioconjugation, drug synthesis, gram-scale synthesis, and product derivatization. Lastly, we performed mechanistic experiments to better understand the stereoablative reaction between two electrophiles. Disulfides and benzylic thioethers are imperative for biological and pharmaceutical applications but remain severely understudied in comparison to their ethereal and amino counterparts. Hence, we expect this platform of iron catalysis and the downstream applications to be of interest to the greater scientific community.
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Affiliation(s)
- Julius Semenya
- Department of Chemistry, Loker Hydrocarbon Research Institute, University of
Southern California, 837 Bloom Walk, Los Angeles, California 90089-1661, United States
| | - Yuanjie Yang
- Department of Chemistry, Loker Hydrocarbon Research Institute, University of
Southern California, 837 Bloom Walk, Los Angeles, California 90089-1661, United States
| | - Elias Picazo
- Department of Chemistry, Loker Hydrocarbon Research Institute, University of
Southern California, 837 Bloom Walk, Los Angeles, California 90089-1661, United States
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13
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Ran W, Zhao H, Zhang X, Li S, Sun JF, Liu J, Liu R, Jiang G. Critical Review of Pd-Catalyzed Reduction Process for Treatment of Waterborne Pollutants. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024. [PMID: 38323894 DOI: 10.1021/acs.est.3c09198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Catalyzed reduction processes have been recognized as important and supplementary technologies for water treatment, with the specific aims of resource recovery, enhancement of bio/chemical-treatability of persistent organic pollutants, and safe handling of oxygenate ions. Palladium (Pd) has been widely used as a catalyst/electrocatalyst in these reduction processes. However, due to the limited reserves and high cost of Pd, it is essential to gain a better understanding of the Pd-catalyzed decontamination process to design affordable and sustainable Pd catalysts. This review provides a systematic summary of recent advances in understanding Pd-catalyzed reductive decontamination processes and designing Pd-based nanocatalysts for the reductive treatment of water-borne pollutants, with special focus on the interactions and transformation mechanisms of pollutant molecules on Pd catalysts at the atomic scale. The discussion begins by examining the adsorption of pollutants onto Pd sites from a thermodynamic viewpoint. This is followed by an explanation of the molecular-level reaction mechanism, demonstrating how electron-donors participate in the reductive transformation of pollutants. Next, the influence of the Pd reactive site structure on catalytic performance is explored. Additionally, the process of Pd-catalyzed reduction in facilitating the oxidation of pollutants is briefly discussed. The longevity of Pd catalysts, a crucial factor in determining their practicality, is also examined. Finally, we argue for increased attention to mechanism study, as well as precise construction of Pd sites under batch synthesis conditions, and the use of Pd-based catalysts/electrocatalysts in the treatment of concentrated pollutants to facilitate resource recovery.
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Affiliation(s)
- Wei Ran
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huachao Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoling Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shiwei Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie-Fang Sun
- Beijing Center for Disease Prevention and Control, Beijing 100013, China
| | - Jingfu Liu
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Rui Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guibin Jiang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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14
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Oloyede UN, Flowers RA. Coordination-induced bond weakening and small molecule activation by low-valent titanium complexes. Dalton Trans 2024; 53:2413-2441. [PMID: 38224159 DOI: 10.1039/d3dt03454b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Bond activation of small molecules through coordination to low valent metal complexes in M⋯X-H type interactions (where X = O, N, B, Si, etc.) leads to the formation of unusually weak X-H bonds and provides a powerful approach for the synthesis of target compounds under very mild conditions. Coordination of small molecules like water, amides, silanes, boranes, and dinitrogen to Ti(III) or Ti(II) complexes results in the synergetic redistribution of electrons between the metal orbitals and the ligand orbitals which weakens and enables the facile cleavage of the X-H or N-N bonds of the ligands. This review presents an overview of coordination-induced bond activation of small molecules by low valent titanium complexes. In particular, the applications of low valent titanium-induced bond weakening in nitrogen fixation are presented. The review concludes with potential future directions for work in this area including low-valent Ti-based PCET systems, photocatalytic nitrogen reduction, and approaches to tailoring complexes for optimal bond activation.
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Affiliation(s)
| | - Robert A Flowers
- Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015, USA.
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15
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Kolya H, Kang CW. Toxicity of Metal Oxides, Dyes, and Dissolved Organic Matter in Water: Implications for the Environment and Human Health. TOXICS 2024; 12:111. [PMID: 38393206 PMCID: PMC10892313 DOI: 10.3390/toxics12020111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024]
Abstract
This study delves into the critical issue of water pollution caused by the presence of metal oxides, synthetic dyes, and dissolved organic matter, shedding light on their potential ramifications for both the environment and human health. Metal oxides, ubiquitous in industrial processes and consumer products, are known to leach into water bodies, posing a significant threat to aquatic ecosystems. Additionally, synthetic dyes, extensively used in various industries, can persist in water systems and exhibit complex chemical behavior. This review provides a comprehensive examination of the toxicity associated with metal oxides, synthetic dyes, and dissolved organic matter in water systems. We delve into the sources and environmental fate of these contaminants, highlighting their prevalence in natural water bodies and wastewater effluents. The study highlights the multifaceted impacts of them on human health and aquatic ecosystems, encompassing effects on microbial communities, aquatic flora and fauna, and the overall ecological balance. The novelty of this review lies in its unique presentation, focusing on the toxicity of metal oxides, dyes, and dissolved organic matter. This approach aims to facilitate the accessibility of results for readers, providing a streamlined and clear understanding of the reported findings.
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Affiliation(s)
| | - Chun-Won Kang
- Department of Housing Environmental Design, Research Institute of Human Ecology, College of Human Ecology, Jeonbuk National University, Jeonju 54896, Jeonbuk, Republic of Korea;
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16
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Shrestha S, Bista S, Byanjankar N, Prasai Joshi T. Evaluation of bottled drinking water and occurrence of multidrug-resistance and biofilm producing bacteria in Nepal. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:122896. [PMID: 37944893 DOI: 10.1016/j.envpol.2023.122896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
Health consequences arising from unsafe drinking water and water insecurity lead to increased reliance on usage of bottled water. Biofilm-producing antibiotic-resistant bacteria in bottled water may pose a risk to public health. This study aims to assess the quality of bottled drinking water with a focus on biofilm-producing and drug-resistant coliform. We analyzed 60 bottled water samples of 30 different brands purchased from Kathmandu for physicochemical and microbial analysis. The parameters pH, iron, total coliform count, Escherichia coli count, and fecal coliform count exceeded National Drinking Water Quality Standards, 2022 in 30.00%, 16.67%, 66.67%, 23.33%, and 16.67% of samples, respectively. Water quality index measurement showed 36.67% and 6.67% of bottled water samples were categorized as grade A and grade B indicating excellent and good water quality, respectively. However, 56.67% of bottled water samples fall under grade E meaning unsuitable for drinking. Among 14 coliform isolates, 85.71% and 14.29% were identified as E. coli and Klebsiella spp, respectively. The antibiotic susceptibility testing revealed that 28.57% of the isolates were multidrug-resistant and Gentamicin resistant isolates comprised 71.43%. However, none of the isolates were carbapenem (meropenem) resistant. In this study, 42.87% of the isolates were found biofilm producers with 14.29% each of strong, moderate, and weak biofilm producers. The genetic potential of biofilm-producing capacity of the isolates was assessed by Polymerase Chain Reaction amplification of bcsA and csgD genes. Our results showed that 66.67% and 50.00% of the isolates harbored bcsA and csgD genes, respectively. This study highlights potential public health hazards associated with the consumption of bottled water containing biofilm-producing and drug-resistant bacteria in Nepal.
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Affiliation(s)
- Sunita Shrestha
- Environment Research Laboratory, Faculty of Science, Nepal Academy of Science and Technology, Khumaltar, Lalitpur, Nepal
| | - Sayara Bista
- Environment Research Laboratory, Faculty of Science, Nepal Academy of Science and Technology, Khumaltar, Lalitpur, Nepal
| | - Naina Byanjankar
- Environment Research Laboratory, Faculty of Science, Nepal Academy of Science and Technology, Khumaltar, Lalitpur, Nepal
| | - Tista Prasai Joshi
- Environment Research Laboratory, Faculty of Science, Nepal Academy of Science and Technology, Khumaltar, Lalitpur, Nepal.
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17
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Cattani S, Cera G. Modern Organometallic C-H Functionalizations with Earth-Abundant Iron Catalysts: An Update. Chem Asian J 2024; 19:e202300897. [PMID: 38051920 DOI: 10.1002/asia.202300897] [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: 10/11/2023] [Revised: 11/13/2023] [Indexed: 12/07/2023]
Abstract
Iron-catalyzed C-H activation has recently emerged as an increasingly powerful synthetic method for the step- and atom- economical direct C-H functionalizations of otherwise inert C-H bonds. Iron's low-cost and toxicity along with its catalytic versatility have encouraged the scientific community to elect this metal for the development of new C-H activation methodologies. Within this review, we aim to present a collection of the most recent examples of iron-catalyzed C-H functionalizations with a particular emphasis on modern synthetic strategies and mechanistic aspects.
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Affiliation(s)
- Silvia Cattani
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Gianpiero Cera
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
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18
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Rajapaksha R, Samanta P, Quadrelli EA, Canivet J. Heterogenization of molecular catalysts within porous solids: the case of Ni-catalyzed ethylene oligomerization from zeolites to metal-organic frameworks. Chem Soc Rev 2023; 52:8059-8076. [PMID: 37902965 DOI: 10.1039/d3cs00188a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
The last decade has seen a tremendous expansion of the field of heterogenized molecular catalysis, especially with the growing interest in metal-organic frameworks and related porous hybrid solids. With successful achievements in the transfer from molecular homogeneous catalysis to heterogenized processes come the necessary discussions on methodologies used and a critical assessment on the advantages of heterogenizing molecular catalysis. Here we use the example of nickel-catalyzed ethylene oligomerization, a reaction of both fundamental and applied interest, to review heterogenization methodologies of well-defined molecular catalysts within porous solids while addressing the biases in the comparison between original molecular systems and heterogenized counterparts.
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Affiliation(s)
- Rémy Rajapaksha
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France.
| | - Partha Samanta
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France.
| | - Elsje Alessandra Quadrelli
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France.
| | - Jérôme Canivet
- Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON - UMR 5256, 2 Av. Albert Einstein, 69626 Villeurbanne, France.
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19
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Kotesova S, Shenvi RA. Inner- and Outer-Sphere Cross-Coupling of High F sp3 Fragments. Acc Chem Res 2023; 56:3089-3098. [PMID: 37889168 PMCID: PMC10979517 DOI: 10.1021/acs.accounts.3c00543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Natural product research originates from a desire to explore, understand, and perturb biological function with atomic precision. To reach these goals at all, let alone efficiently, requires thoughtful and creative problem solving. Often this means bold disconnections that would simplify access to complex structures, if only the methods existed to bridge these theoretical gaps. Whereas biological interrogations provide long-term intellectual value and impetus, methods come as attractive fringe benefits of natural product synthesis. This Account describes strategic, methodological solutions to the syntheses of natural products [(-)-eugenial C, Galbulimima alkaloids GB18, GB22, GB13, and himgaline] featuring new, convergent disconnections as important problem-solving steps, which themselves were inspired by recent methods that arose from our group. Each target required the invention of first-row transition metal-catalyzed cross-coupling procedures to satisfy the biological goals of the project. In these cases, synthetic strategy identified the methodological gap (the absence of stereo- and chemoselective couplings of appropriate fragments), but the tactical advantage conferred by first-row metals met the challenge. These methods were competent to handle the dense, sterically encumbered motifs common to natural products due to, in many cases, elementary steps that did not require bond formation between the hindered substrate and the metal center. Instead, these sterically lenient reactions appeared to involve metal-ligand-substrate reactions (i.e., outer-sphere steps), in contrast to the metal-substrate, coordinative reactions of precious metals (i.e., inner-sphere steps). Key observations from our previous studies, combined with the observations in seminal publications from other laboratories (Mattay, Weix, and MacMillan), led to the optimization of ligand-controlled, stereoselective reactions and the introduction of complementary catalytic cycles that revealed new modes of reactivity and generated novel structural motifs. Optimized access to bioactive natural product space accelerated our timeline of biological characterization, fulfilling a common premise of natural products research. The integration of methodology, complex natural product synthesis, diversification, and bioassay into a single Ph.D. dissertation would have been unmanageable in a prior era. The unique ability of first-row transition metals to effect Csp3-Csp3 cross-coupling with high chemo- and stereoselectivity has significantly lowered the barrier to reach the avowed goal of natural product synthesis and reduced the burden (real or perceived) of integrating natural products into functional campaigns.
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Affiliation(s)
- Simona Kotesova
- Department of Chemistry, Scripps Research, La Jolla, California 92037, United States
- Graduate School of Chemical and Biological Sciences, Scripps Research, La Jolla, California 92037, United States
| | - Ryan A. Shenvi
- Department of Chemistry, Scripps Research, La Jolla, California 92037, United States
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20
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You Q, Xiao X, Shi Y, Wu Y, Tan G. Iron-Catalyzed para-Selective C-H Allylation of Aniline Derivatives. Org Lett 2023; 25:7683-7688. [PMID: 37846920 DOI: 10.1021/acs.orglett.3c03012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
Transition-metal-catalyzed directed C-H allylation of arenes offers an efficient and straightforward approach to construct value-added allylic arenes. However, these reactions are often performed with precious transition-metal catalysts and mainly limited to ortho-C-H allylation of arenes. Herein, we disclose a novel iron-catalyzed para-C-H allylation of aniline derivatives with allyl alcohols via a chelation-induced strategy, providing various allylic arenes in good yields with excellent regio- and chemoselectivity. A simple FeCl3·6H2O is employed as a catalyst, serving a dual role in the reaction: (1) coordination with N-arylpicolinamide to alter the electronic property of the aromatic ring and (2) reaction with allyl alcohol to form allyl-Fe species.
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Affiliation(s)
- Qiulin You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, People's Republic of China
| | - Xin Xiao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, People's Republic of China
| | - Yang Shi
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, People's Republic of China
| | - Yimin Wu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, People's Republic of China
| | - Guangying Tan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, People's Republic of China
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21
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Ramos-Martín M, Ríos-Lombardía N, González-Sabín J, García-Garrido SE, Concellón C, Presa Soto A, Del Amo V, García-Álvarez J. Fe III -Based Eutectic Mixtures as Multi-task and Reusable Reaction Media for Efficient and Selective Conversion of Alkynes into Carbonyl Compounds. Chemistry 2023; 29:e202301736. [PMID: 37439586 DOI: 10.1002/chem.202301736] [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: 05/31/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/14/2023]
Abstract
An efficient, simple and general protocol for the selective hydration of terminal alkynes into the corresponding methyl ketones has been developed by using a cheap, easy-to-synthesise and sustainable FeIII -based eutectic mixture [FeCl3 ⋅ 6H2 O/Gly (3 : 1)] as both promoter and solvent for the hydration reaction, working: i) under mild (45 °C) and bench-type reaction conditions (air); and ii) in the absence of ligands, co-catalysts, co-solvents or toxic, non-abundant and expensive noble transition metals (Au, Ru, Pd). When the final methyl ketones are solid/insoluble in the eutectic mixture, the hydration reaction takes place in 30 min, and the obtained methyl ketones can be isolated by simply decanting the liquid FeIII -DES, allowing the direct isolation of the desired ketones without VOC solvents. By using this straightforward and simple isolation protocol, we have been able to recycle the FeIII -based eutectic mixture system up to eight consecutive times. Furthermore, the FeIII -eutectic mixture is able to promote the selective and efficient formal oxidation of internal alkynes into 1,2-diketones, with the possibility of recycling this system up to three consecutive times. Preliminary investigations into a possible mechanism for the oxidation of the internal alkynes seem to indicate that it proceeds through the formation of the corresponding methyl ketones and α-chloroketones.
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Affiliation(s)
- Marina Ramos-Martín
- Laboratorio de Química Sintética Sostenible (QuimSinSos), Departamento de Química Orgánica e Inorgánica, (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, E33071, Oviedo, Spain)
| | - Nicolas Ríos-Lombardía
- Laboratorio de Química Sintética Sostenible (QuimSinSos), Departamento de Química Orgánica e Inorgánica, (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, E33071, Oviedo, Spain)
- Entrechem SL, Vivero Ciencias de la Salud, Colegio Santo Domingo de Guzmán s/n, 33011, Oviedo, Spain
| | - Javier González-Sabín
- Entrechem SL, Vivero Ciencias de la Salud, Colegio Santo Domingo de Guzmán s/n, 33011, Oviedo, Spain
| | - Sergio E García-Garrido
- Laboratorio de Química Sintética Sostenible (QuimSinSos), Departamento de Química Orgánica e Inorgánica, (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, E33071, Oviedo, Spain)
| | - Carmen Concellón
- Laboratorio de Química Sintética Sostenible (QuimSinSos), Departamento de Química Orgánica e Inorgánica, (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, E33071, Oviedo, Spain)
| | - Alejandro Presa Soto
- Laboratorio de Química Sintética Sostenible (QuimSinSos), Departamento de Química Orgánica e Inorgánica, (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, E33071, Oviedo, Spain)
| | - Vicente Del Amo
- Laboratorio de Química Sintética Sostenible (QuimSinSos), Departamento de Química Orgánica e Inorgánica, (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, E33071, Oviedo, Spain)
| | - Joaquín García-Álvarez
- Laboratorio de Química Sintética Sostenible (QuimSinSos), Departamento de Química Orgánica e Inorgánica, (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Facultad de Química, Universidad de Oviedo, E33071, Oviedo, Spain)
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22
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Singh SK, Kumar S, Yadav MS, Gupta A, Tiwari VK. Triazole-Appended Glycohybrid/CuI-Catalyzed C-C Cross-Coupling of Aryl/Heteroaryl Halides with Alkynyl Sugars. J Org Chem 2023; 88:13440-13453. [PMID: 37747895 DOI: 10.1021/acs.joc.3c00712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
This report describes a convenient method for the Cu(I)-catalyzed Sonogashira cross-coupling reaction of aryl/heteroaryl halides and alkynyl sugars in the presence of a 1,2,3-triazole-appended glycohybrid as a biocompatible ligand. The Sonogashira cross-coupling products were exclusively formed without the Glaser-Hay homocoupling reaction in the presence of a glycosyl monotriazolyl ligand at 120 °C. However, the Glaser-Hay homocoupling products were obtained at 60-70 °C in the presence of bis-triazolyl-based macrocyclic glycohybrid ligand L8. The glycosyl triazole ligands were synthesized via the CuI/DIPEA-mediated regioselective CuAAC click reaction, and a series of glycohybrids of glucose, mannose, and galactose alkynes including glycosyl rods were developed in good yields. The developed glycohybrids have been well characterized by various spectroscopic techniques, such as nuclear magnetic resonance, high-resolution mass spectrometry, and single-crystal X-ray data of L3. The protocol works well with the heteroaryl and naphthyl halides, and the mechanistic approach leads to CuI/ligand-assisted oxidative coupling. The coupling protocol has notable features, including low catalytic loading, cost-effectiveness, biocompatible nature, and a wide substrate scope.
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Affiliation(s)
- Sumit K Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Sunil Kumar
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Mangal S Yadav
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Abhishek Gupta
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
| | - Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P. 221005, India
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23
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Gan XC, Kotesova S, Castanedo A, Green SA, Mølle SLB, Shenvi RA. Iron-Catalyzed Hydrobenzylation: Stereoselective Synthesis of (-)-Eugenial C. J Am Chem Soc 2023; 145:15714-15720. [PMID: 37437221 PMCID: PMC11055631 DOI: 10.1021/jacs.3c05428] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Metal-hydride hydrogen atom transfer (MHAT) has emerged as a useful tool to form quaternary carbons from alkenes via hydrofunctionalization. Methods to date that cross-couple alkenes with sp3 partners rely on heterobimetallic catalysis to merge the two cycles. Here, we report an iron-only cross-coupling via putative MHAT/SH2 steps that solves a key stereochemical problem in the synthesis of meroterpenoid eugenial C and obviates the need for nickel. The concise synthesis benefits from a conformationally locked o,o'-disubstituted benzyl bromide and a locally sourced chiral pool terpene coupling partner.
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Affiliation(s)
- Xu-cheng Gan
- Department of Chemistry, Scripps Research, La Jolla, California 92037, United States
| | - Simona Kotesova
- Department of Chemistry, Scripps Research, La Jolla, California 92037, United States
- Graduate School of Chemical and Biological Sciences, Scripps Research, La Jolla, California 92037, United States
| | - Alberto Castanedo
- Department of Chemistry, Scripps Research, La Jolla, California 92037, United States
| | - Samantha A. Green
- Department of Chemistry, Scripps Research, La Jolla, California 92037, United States
- Graduate School of Chemical and Biological Sciences, Scripps Research, La Jolla, California 92037, United States
| | | | - Ryan A. Shenvi
- Department of Chemistry, Scripps Research, La Jolla, California 92037, United States
- Graduate School of Chemical and Biological Sciences, Scripps Research, La Jolla, California 92037, United States
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24
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Trouvé J, Youssef K, Kasemthaveechok S, Gramage-Doria R. Catalyst Complexity in a Highly Active and Selective Wacker-Type Markovnikov Oxidation of Olefins with a Bioinspired Iron Complex. ACS Catal 2023. [DOI: 10.1021/acscatal.3c00593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Affiliation(s)
| | - Khalil Youssef
- Univ Rennes, CNRS, ISCR-UMR6226, FR-35000 Rennes, France
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25
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Boivin L, Harvey PD. Virus Management Using Metal-Organic Framework-Based Technologies. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 36892577 DOI: 10.1021/acsami.3c00922] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The eradication and isolation of viruses are two concurrent approaches to protect ourselves from viral infections and diseases. The quite versatile porous materials called metal-organic frameworks (MOFs), have recently emerged as efficient nanosized tools to manage viruses, and several strategies to accomplish these tasks have been developed. This review describes these strategies employing nanoscale MOFs against SARS-CoV-2, HIV-1, tobacco mosaic virus, etc., which include the sequestration by host-guest penetration inside pores, mineralization, design of a physical barrier, controlled delivery of organic and inorganic antiviral drugs or bioinhibitors, photosensitization of singlet oxygen, and direct contact with inherently cytotoxic MOFs.
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Affiliation(s)
- Léo Boivin
- Département de Chimie, Université de Sherbrooke, Québec J1K 2R1, Canada
| | - Pierre D Harvey
- Département de Chimie, Université de Sherbrooke, Québec J1K 2R1, Canada
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26
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Cattani S, Secchi A, Ackermann L, Cera G. Triazole-enabled, iron-catalysed linear/branched selective C-H alkylations with alkenes. Org Biomol Chem 2023; 21:1264-1269. [PMID: 36636890 DOI: 10.1039/d2ob02206k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Iron-catalysed C-H alkylations with alkenes were achieved on benzamides by N-triazole assistance. A notable switch of the regioselectivity from linear to branched was observed depending on the nature of the olefin employed. The approach allowed for the synthesis of a family of decorated benzamides with ample scope and high levels of chemo-, regio- and site-selectivity.
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Affiliation(s)
- Silvia Cattani
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Andrea Secchi
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Gianpiero Cera
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
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27
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Sun X, Hansen T, Poater J, Hamlin TA, Bickelhaupt FM. Rational design of iron catalysts for C-X bond activation. J Comput Chem 2023; 44:495-505. [PMID: 35137432 PMCID: PMC10078697 DOI: 10.1002/jcc.26818] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 01/16/2022] [Accepted: 01/20/2022] [Indexed: 01/10/2023]
Abstract
We have quantum chemically studied the iron-mediated CX bond activation (X = H, Cl, CH3 ) by d8 -FeL4 complexes using relativistic density functional theory at ZORA-OPBE/TZ2P. We find that by either modulating the electronic effects of a generic iron-catalyst by a set of ligands, that is, CO, BF, PH3 , BN(CH3 )2 , or by manipulating structural effects through the introduction of bidentate ligands, that is, PH2 (CH2 )n PH2 with n = 6-1, one can significantly decrease the reaction barrier for the CX bond activation. The combination of both tuning handles causes a decrease of the CH activation barrier from 10.4 to 4.6 kcal mol-1 . Our activation strain and Kohn-Sham molecular orbital analyses reveal that the electronic tuning works via optimizing the catalyst-substrate interaction by introducing a strong second backdonation interaction (i.e., "ligand-assisted" interaction), while the mechanism for structural tuning is mainly caused by the reduction of the required activation strain because of the pre-distortion of the catalyst. In all, we present design principles for iron-based catalysts that mimic the favorable behavior of their well-known palladium analogs in the bond-activation step of cross-coupling reactions.
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Affiliation(s)
- Xiaobo Sun
- Department of Theoretical Chemistry and Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Departament de Química Inorgànica i Orgànica & IQTCUB, Universitat de Barcelona, Barcelona, Spain
| | - Thomas Hansen
- Department of Theoretical Chemistry and Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Departament de Química Inorgànica i Orgànica & IQTCUB, Universitat de Barcelona, Barcelona, Spain.,Leiden Institute of Chemistry, Leiden University, Leiden, The Netherlands
| | - Jordi Poater
- Departament de Química Inorgànica i Orgànica & IQTCUB, Universitat de Barcelona, Barcelona, Spain.,ICREA, Barcelona, Spain
| | - Trevor A Hamlin
- Department of Theoretical Chemistry and Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Friedrich Matthias Bickelhaupt
- Department of Theoretical Chemistry and Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Institute for Molecules and Materials (IMM), Radboud University, Nijmegen, The Netherlands
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28
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Hast K, Stone MRL, Jia Z, Baci M, Aggarwal T, Izgu EC. Bioorthogonal Functionalization of Material Surfaces with Bioactive Molecules. ACS APPLIED MATERIALS & INTERFACES 2023; 15:4996-5009. [PMID: 36649474 PMCID: PMC10069157 DOI: 10.1021/acsami.2c20942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The functionalization of material surfaces with biologically active molecules is crucial for enabling technologies in life sciences, biotechnology, and medicine. However, achieving biocompatibility and bioorthogonality with current synthetic methods remains a challenge. We report herein a novel surface functionalization method that proceeds chemoselectively and without a free transition metal catalyst. In this method, a coating is first formed via the tyrosinase-catalyzed putative polymerization of a tetrazine-containing catecholamine (DOPA-Tet). One or more types of molecule of interest containing trans-cyclooctene are then grafted onto the coating via tetrazine ligation. The entire process proceeds under physiological conditions and is suitable for grafting bioactive molecules with diverse functions and structural complexities. Utilizing this method, we functionalized material surfaces with enzymes (alkaline phosphatase, glucose oxidase, and horseradish peroxidase), a cyclic peptide (cyclo[Arg-Gly-Asp-D-Phe-Lys], or c(RGDfK)), and an antibiotic (vancomycin). Colorimetric assays confirmed the maintenance of the biocatalytic activities of the grafted enzymes on the surface. We established the mammalian cytocompatibility of the functionalized materials with fibroblasts. Surface functionalization with c(RGDfK) showed improved fibroblast cell morphology and cytoskeletal organization. Microbiological studies with Staphylococcus aureus indicated that surfaces coated using DOPA-Tet inhibit the formation of biofilms. Vancomycin-grafted surfaces additionally display significant inhibition of planktonic S. aureus growth.
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Affiliation(s)
- Kern Hast
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, New Jersey 08854, United States
| | - M Rhia L Stone
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, New Jersey 08854, United States
| | - Zhaojun Jia
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, New Jersey 08854, United States
| | - Melih Baci
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, New Jersey 08854, United States
| | - Tushar Aggarwal
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, New Jersey 08854, United States
| | - Enver Cagri Izgu
- Department of Chemistry and Chemical Biology, Rutgers University, New Brunswick, New Jersey 08854, United States
- Cancer Pharmacology Program, Cancer Institute of New Jersey, Rutgers University, New Brunswick, New Jersey 08901, United States
- Rutgers Center for Lipid Research, New Jersey Institute for Food, Nutrition, and Health, Rutgers University, New Brunswick, New Jersey 08901, United States
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29
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Li X, Yang H, Pan J, Liu T, Cao X, Ma H, Wang X, Wang YF, Wang Y, Lu S, Tian J, Gao L, Zheng X. Variation of the toxicity caused by key contaminants in industrial wastewater along the treatment train of Fenton-activated sludge-advanced oxidation processes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159856. [PMID: 36374753 DOI: 10.1016/j.scitotenv.2022.159856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/16/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Industrial wastewater contains a mixture of refractory and hazardous pollutants that have comprehensive toxic effects. We investigated the treatment of a long-chain industrial wastewater treatment train containing Fenton, biological anoxic/oxic (AO), and heterogeneous ozone catalytic oxidation (HOCO) processes, and evaluated their detoxification effect based on the analysis of the genic toxicity of some key contaminants. The results showed that although the effluent met the discharge standard in terms of traditional quality parameters, the long-chain treatment process could not effectively detoxify the industrial wastewater. The analysis results of summer samples showed that the Fenton process increased the total toxicity and genotoxicity of the organics, concerned metals, and non-volatile pollutants, whereas the A/O process increased the toxicity of the organics and non-volatile pollutants, and the HOCO process led to higher toxicity caused by metals and non-volatile pollutants. The outputs of the winter samples indicated that the Fenton process reduced the total toxicity and genotoxicity caused by non-volatile pollutants but increased that of the organics and concerned metals. The effect of the A/O process on the effluent toxicity in winter was the same as that in summer, whereas the HOCO process increased the total toxicity and genotoxicity of the metals in winter samples. Correlation analysis showed that various toxicity stresses were significantly correlated with the variation of these key pollutants in wastewater. Our results could provide a reference for the optimization of industrial wastewater treatment plants (IWTPs) by selecting more suitable treatment procedures to reduce the toxicity of different contaminants.
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Affiliation(s)
- Xiaolin Li
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Heyun Yang
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Jian Pan
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Tong Liu
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Xin Cao
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Hao Ma
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Xingliang Wang
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Yi-Fan Wang
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Yifan Wang
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Sijia Lu
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Jiayu Tian
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Lei Gao
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Xing Zheng
- State Key Laboratory of Eco-Hydraulics in North West Arid Region of China, Xi'an University of Technology, Xi'an 710048, China; Resource Recovery and Low-carbon Environmental Protection Engineering Center in Coal Chemical Industry, Yulin, Shaanxi, China.
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30
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Schuh T, Kataeva O, Knölker HJ. μ-Oxo-bis[(octacosafluoro- meso-tetraphenylporphyrinato)iron(iii)] - synthesis, crystal structure, and catalytic activity in oxidation reactions. Chem Sci 2023; 14:257-265. [PMID: 36687339 PMCID: PMC9811517 DOI: 10.1039/d2sc06083c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022] Open
Abstract
We describe the synthesis and X-ray crystal structure of μ-oxo-bis[(octacosafluoro-meso-tetraphenylporphyrinato)iron(iii)] [(FeTPPF28)2O]. This novel iron complex is an efficient catalyst for oxidative biaryl coupling reactions of diarylamines and carbazoles. The asymmetric oxidative coupling in the presence of an axially chiral biaryl phosphoric acid as co-catalyst provides the 2,2'-bis(arylamino)-1,1'-biaryl in 96% ee. The Wacker-type oxidation of alkenes to the corresponding ketones with (FeTPPF28)2O as catalyst in the presence of phenylsilane proceeds at room temperature with air as the terminal oxidant. For internal and aliphatic alkenes increased ketone/alcohol product ratios were obtained.
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Affiliation(s)
- Tristan Schuh
- Fakultät Chemie, Technische Universität DresdenBergstrasse 6601069 DresdenGermanyhttps://tu-dresden.de/mn/chemie/oc/oc2+49 351-463-37030
| | - Olga Kataeva
- Fakultät Chemie, Technische Universität DresdenBergstrasse 6601069 DresdenGermanyhttps://tu-dresden.de/mn/chemie/oc/oc2+49 351-463-37030
| | - Hans-Joachim Knölker
- Fakultät Chemie, Technische Universität DresdenBergstrasse 6601069 DresdenGermanyhttps://tu-dresden.de/mn/chemie/oc/oc2+49 351-463-37030
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31
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Yang SN, Liu CH, He LB, Zheng H, Kuai CS, Wan B, Ji DW, Chen QA. Ligand-controlled regiodivergence in cobalt-catalyzed hydrosilylation of isoprene. Org Chem Front 2023. [DOI: 10.1039/d3qo00041a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
An atom-economical, regiodivergent hydrosilylation reaction of isoprene was developed using an Earth-abundant cobalt catalyst through variation of ligands.
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32
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Cobalt-Catalyzed C–C Coupling Reactions with Csp3 Electrophiles. TOP ORGANOMETAL CHEM 2023. [DOI: 10.1007/3418_2023_83] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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33
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Shah AB, Sarfaraz S, Yar M, Sheikh NS, Hammud HH, Ayub K. Remarkable Single Atom Catalyst of Transition Metal (Fe, Co & Ni) Doped on C 2N Surface for Hydrogen Dissociation Reaction. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:nano13010029. [PMID: 36615939 PMCID: PMC9823351 DOI: 10.3390/nano13010029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/12/2022] [Accepted: 12/16/2022] [Indexed: 05/19/2023]
Abstract
Currently, hydrogen is recognized as the best alternative for fossil fuels because of its sustainable nature and environmentally friendly processing. In this study, hydrogen dissociation reaction is studied theoretically on the transition metal doped carbon nitride (C2N) surface through single atom catalysis. Each TMs@C2N complex is evaluated to obtain the most stable spin state for catalytic reaction. In addition, electronic properties (natural bond orbital NBO & frontier molecular orbital FMO) of the most stable spin state complex are further explored. During dissociation, hydrogen is primarily adsorbed on metal doped C2N surface and then dissociated heterolytically between metal and nitrogen atom of C2N surface. Results revealed that theFe@C2N surface is the most suitable catalyst for H2 dissociation reaction with activation barrier of 0.36 eV compared with Ni@C2N (0.40 eV) and Co@C2N (0.45 eV) complexes. The activation barrier for H2 dissociation reaction is quite low in case of Fe@C2N surface, which is comparatively better than already reported noble metal catalysts.
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Affiliation(s)
- Ahmed Bilal Shah
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Sehrish Sarfaraz
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Muhammad Yar
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
| | - Nadeem S. Sheikh
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
| | - Hassan H. Hammud
- Department of Chemistry, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Correspondence: (H.H.H.); (K.A.)
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan
- Correspondence: (H.H.H.); (K.A.)
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Greco R, García-Lainez G, Oliver-Meseguer J, Marini C, Domínguez I, López-Haro M, Hernández-Garrido JC, Cerón-Carrasco JP, Andreu I, Leyva-Pérez A. Cytotoxic sub-nanometer aqueous platinum clusters as potential antitumoral agents. NANOSCALE ADVANCES 2022; 4:5281-5289. [PMID: 36540110 PMCID: PMC9724608 DOI: 10.1039/d2na00550f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/09/2022] [Indexed: 06/17/2023]
Abstract
Ligand-free sub-nanometer metal clusters (MCs) of Pt, Ir, Rh, Au and Cu, are prepared here in neat water and used as extremely active (nM) antitumoral agents for HeLa and A2870 cells. The preparation just consists of adding the biocompatible polymer ethylene-vinyl alcohol (EVOH) to an aqueous solution of the corresponding metal salt, to give liters of a MC solution after filtration of the polymer. Since the MC solution is composed of just neat metal atoms and water, the intrinsic antitumoral activity of the different sub-nanometer metal clusters can now fairly be evaluated. Pt clusters show an IC50 of 0.48 μM for HeLa and A2870 cancer cells, 23 times higher than that of cisplatin and 1000 times higher than that of Pt NPs, and this extremely high cytotoxicity also occurs for cisplatin-resistant (A2870 cis) cells, with a resistance factor of 1.4 (IC50 = 0.68 μM). Rh and Ir clusters showed an IC50 ∼ 1 μM. Combined experimental and computational studies support an enhanced internalization and cytotoxic activation.
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Affiliation(s)
- Rossella Greco
- Instituto de Tecnología Química (UPV-CSIC) Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avda. de los Naranjos s/n 46022 Valencia Spain
| | - Guillermo García-Lainez
- Instituto de Investigación Sanitaria (IIS) La Fe, Unidad Mixta de Investigación UPV/IIS La Fe, Hospital Universitari i Politècnic La Fe Avenida de Fernando Abril Martorell 106 46026 Valencia Spain
| | - Judit Oliver-Meseguer
- Instituto de Tecnología Química (UPV-CSIC) Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avda. de los Naranjos s/n 46022 Valencia Spain
| | - Carlo Marini
- CELLS-ALBA Synchrotron E-08290 Cerdanyola del Vallès Barcelona Spain
| | - Irene Domínguez
- Department of Chemistry and Physics, University of Almeria, Agrifood Campus of International Excellence ceiA3 04120 Almeria Spain
| | - Miguel López-Haro
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Campus Río San Pedro 11510 Puerto Real Cádiz Spain
| | - Juan Carlos Hernández-Garrido
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Campus Río San Pedro 11510 Puerto Real Cádiz Spain
| | - José Pedro Cerón-Carrasco
- Centro Universitario de la Defensa, Academia General del Aire. Universidad Politécnica de Cartagena. C/ Coronel López Peña S/N Santiago de La Ribera, 30720 Murcia Spain
| | - Inmaculada Andreu
- Instituto de Investigación Sanitaria (IIS) La Fe, Unidad Mixta de Investigación UPV/IIS La Fe, Hospital Universitari i Politècnic La Fe Avenida de Fernando Abril Martorell 106 46026 Valencia Spain
- Departamento de Química, Universitat Politècnica de València Camino de Vera s/n 46022 València Spain
| | - Antonio Leyva-Pérez
- Instituto de Tecnología Química (UPV-CSIC) Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas Avda. de los Naranjos s/n 46022 Valencia Spain
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35
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Syntheses, X-ray structure and biological studies of binuclear µ-oxo diiron complexes with s-triazine pincer ligand. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Saini S, Kumar K, Saini P, Mahawar DK, Rathore KS, Kumar S, Dandia A, Parewa V. Sustainable synthesis of biomass-derived carbon quantum dots and their catalytic application for the assessment of α,β-unsaturated compounds. RSC Adv 2022; 12:32619-32629. [PMID: 36425689 PMCID: PMC9661692 DOI: 10.1039/d2ra05201f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 11/02/2022] [Indexed: 10/13/2023] Open
Abstract
Herein, we demonstrate a simple, reproducible, and environment-friendly strategy for the synthesis of carbon quantum dots (CQDs) utilizing the mango (Mangifera indica) kernel as a renewable green carbon source. Various analytical tools characterized the as-prepared CQDs. These fluorescent CQDs showed significant water solubility with a uniform size of about 6 nm. The as-synthesized CQDs show significantly enhanced catalytic activity for the production of α,β-unsaturated compounds from the derivatives of aromatic alkynes and aldehydes under microwave irradiation in aqueous media. A potential mechanistic pathway and role of carboxylic functionalities were also revealed via various control experiments. The protocol shows outstanding selectivity towards the assessment of α,β-unsaturated compounds over other possible products. A comparative evaluation suggested the as-synthesized CQDs show higher catalytic activity under microwave radiation as compared to the conventional ways. These recyclable CQDs represent a sustainable alternative to metals in synthetic organic chemistry. A cleaner reaction profile, low catalyst loading, economic viability and recyclability of the catalyst, atom economy, and comprehensive substrate applicability are additional benefits of the current protocol according to green chemistry.
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Affiliation(s)
- Surendra Saini
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Krishan Kumar
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Pratibha Saini
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
- Friedrich Schiller Univ. Jena, Inst. Anorgan. & Analyt. Chem. Humboldt Str 8 D-07743 Jena Germany
| | - Dinesh Kumar Mahawar
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Kuldeep S Rathore
- Department of Physics, Arya College of Engineering and IT Jaipur India
| | - Sanjay Kumar
- Department of Physics, University of Rajasthan Jaipur India
| | - Anshu Dandia
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Vijay Parewa
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
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37
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Radhika S, Baby Aleena M, Anilkumar G. A Green Aerobic Fe(lll) Catalyzed Base-Free Synthesis of 2-Aminobenzothiazoles in Water. J Catal 2022. [DOI: 10.1016/j.jcat.2022.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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38
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Nighojkar A, Sangal VK, Dixit F, Kandasubramanian B. Sustainable conversion of saturated adsorbents (SAs) from wastewater into value-added products: future prospects and challenges with toxic per- and poly-fluoroalkyl substances (PFAS). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:78207-78227. [PMID: 36184702 DOI: 10.1007/s11356-022-23166-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 09/18/2022] [Indexed: 06/16/2023]
Abstract
Following circular economy principles, the reuse or recycling of saturated adsorbents (SAs or adsorbate-laden adsorbents) into a low-cost engineered product is a valuable alternative to eliminate secondary pollution after adsorption. This review evaluates the application of SAs for the generation of products that can serve as (i) antimicrobial agents or disinfectants, (ii) materials for civil construction, (iii) catalysts, (iv) fertilizers, and (v) secondary adsorbents. The importance of SAs configuration in terms of functional groups, surface area and pore morphology played a crucial role in their reutilization. The SAs-laden silver ions (Ag+) strongly inhibit (~ 99%) the growth of Escherichia coli and Staphylococcus aureus microbes found in drinking and wastewaters. The intra-solidification of SAs containing toxic metal pollutants (As3+ and F-) with cementitious materials can effectively reduce their leaching below permissible limits of USEPA standards for their utility as additives in construction work. The existence of transition metal ions (Cu2+, Cr3+/6+, Ni2+) on the surface of SAs boosted activity and selectivity towards the desired product during catalytic oxidation, degradation, and conversion processes. The thermally recycled SAs can assist in the secondary adsorption of pollutants from another waste solution due to a larger surface area (> 1000 m2g-1). However, there are chances that the SAs discussed above will contain traces of PFAS. The article summarizes the challenges, performance efficacy, and future prospects at the end of each value-added product. We also highlight critical challenges for managing PFAS-laden SAs and stimulate new perspectives to minimize PFAS in air, water, and soils.
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Affiliation(s)
- Amrita Nighojkar
- Nano Surface Texturing Lab, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (D.U.), Pune, India
| | - Vikas Kumar Sangal
- Department of Chemical Engineering, Malaviya National Institute of Technology (MNIT), Jaipur, India
| | - Fuhar Dixit
- Department of Chemical and Biological Engineering, University of British Columbia, Vancouver, Canada
| | - Balasubramanian Kandasubramanian
- Nano Surface Texturing Lab, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (D.U.), Pune, India.
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39
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Daher A, Abidi O, Hierso JC, Roger J. Alkali halides as nucleophilic reagent sources for N-directed palladium-catalysed ortho-C-H halogenation of s-tetrazines and other heteroaromatics. RSC Adv 2022; 12:30691-30695. [PMID: 36337962 PMCID: PMC9597855 DOI: 10.1039/d2ra06169d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023] Open
Abstract
A general palladium-catalysed selective C-H halogenation reaction is reported, which was successfully achieved for a large variety of functionalized aromatic rings incorporating diverse N-directing groups. By using simple alkali halides of MX type as the nucleophilic reagent source (M = Li, Na, K, Cs and X = I, Br and Cl), and phenyliodanediacetate oxidant, clean C-H-iodination, bromination and chlorination reactions were performed. This general protocol of selective ortho-monohalogenation, which complements but contrasts with the classical methods using electrophilic reagents, is achievable in a short time (30 min) with microwave irradiation assistance. The reaction was extended to substrates bearing N-directing pyridine, pyrimidine, pyrazole, oxazoline, naphtho[1,2-d]thiazole, and azobenzene groups. Notably, the topical and selectivity-challenging s-tetrazine, as a nitrogen-rich heteroaromatic, was successfully halogenated by this protocol.
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Affiliation(s)
- Ahmad Daher
- Institut de Chimie Moléculaire de l'Université de Bourgogne (UMR-CNRS 6302), Université Bourgogne Franche-Comté (UBFC) 9 Avenue Alain Savary 21078 Dijon France
| | - Oumaima Abidi
- Institut de Chimie Moléculaire de l'Université de Bourgogne (UMR-CNRS 6302), Université Bourgogne Franche-Comté (UBFC) 9 Avenue Alain Savary 21078 Dijon France
| | - Jean-Cyrille Hierso
- Institut de Chimie Moléculaire de l'Université de Bourgogne (UMR-CNRS 6302), Université Bourgogne Franche-Comté (UBFC) 9 Avenue Alain Savary 21078 Dijon France
| | - Julien Roger
- Institut de Chimie Moléculaire de l'Université de Bourgogne (UMR-CNRS 6302), Université Bourgogne Franche-Comté (UBFC) 9 Avenue Alain Savary 21078 Dijon France
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40
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Kaur P, Sharma P, Kumar V, Sahal D, Kumar R. Chitosan-supported FeCl3 catalyzed multicomponent synthesis of tetrahydroisoquinoline-indole hybrids with promising activity against chloroquine resistant Plasmodium falciparum. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134406] [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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41
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Lu WF, Yu Y, Lin RD, Yao Y, Liu Y, Wu ZL, Liu YH, Wang N. Enantioselective biosynthesis of (R)-γ-hydroxy sulfides via a one-pot approach with ChKRED20. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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42
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Beletskaya IP, Ananikov VP. Transition-Metal-Catalyzed C–S, C–Se, and C–Te Bond Formations via Cross-Coupling and Atom-Economic Addition Reactions. Achievements and Challenges. Chem Rev 2022; 122:16110-16293. [DOI: 10.1021/acs.chemrev.1c00836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Irina P. Beletskaya
- Chemistry Department, Lomonosov Moscow State University, Vorob’evy gory, Moscow 119899, Russia
| | - Valentine P. Ananikov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
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43
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Figueiredo AQ, Rodrigues CF, Fernandes N, de Melo-Diogo D, Correia IJ, Moreira AF. Metal-Polymer Nanoconjugates Application in Cancer Imaging and Therapy. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3166. [PMID: 36144953 PMCID: PMC9503975 DOI: 10.3390/nano12183166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
Metallic-based nanoparticles present a unique set of physicochemical properties that support their application in different fields, such as electronics, medical diagnostics, and therapeutics. Particularly, in cancer therapy, the plasmonic resonance, magnetic behavior, X-ray attenuation, and radical oxygen species generation capacity displayed by metallic nanoparticles make them highly promising theragnostic solutions. Nevertheless, metallic-based nanoparticles are often associated with some toxicological issues, lack of colloidal stability, and establishment of off-target interactions. Therefore, researchers have been exploiting the combination of metallic nanoparticles with other materials, inorganic (e.g., silica) and/or organic (e.g., polymers). In terms of biological performance, metal-polymer conjugation can be advantageous for improving biocompatibility, colloidal stability, and tumor specificity. In this review, the application of metallic-polymer nanoconjugates/nanohybrids as a multifunctional all-in-one solution for cancer therapy will be summarized, focusing on the physicochemical properties that make metallic nanomaterials capable of acting as imaging and/or therapeutic agents. Then, an overview of the main advantages of metal-polymer conjugation as well as the most common structural arrangements will be provided. Moreover, the application of metallic-polymer nanoconjugates/nanohybrids made of gold, iron, copper, and other metals in cancer therapy will be discussed, in addition to an outlook of the current solution in clinical trials.
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Affiliation(s)
- André Q. Figueiredo
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Carolina F. Rodrigues
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Natanael Fernandes
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Duarte de Melo-Diogo
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Ilídio J. Correia
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - André F. Moreira
- CICS-UBI—Health Sciences Research Centre, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
- CPIRN-UDI/IPG—Centro de Potencial e Inovação em Recursos Naturais, Unidade de Investigação para o Desenvolvimento do Interior do Instituto Politécnico da Guarda, Avenida Dr. Francisco de Sá Carneiro, No. 50, 6300-559 Guarda, Portugal
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Campisi D, Lamberts T, Dzade NY, Martinazzo R, ten Kate IL, Tielens AGG. Adsorption of Polycyclic Aromatic Hydrocarbons and C 60 onto Forsterite: C-H Bond Activation by the Schottky Vacancy. ACS EARTH & SPACE CHEMISTRY 2022; 6:2009-2023. [PMID: 36016758 PMCID: PMC9393896 DOI: 10.1021/acsearthspacechem.2c00084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/16/2022] [Accepted: 07/05/2022] [Indexed: 06/15/2023]
Abstract
Understanding how to catalytically break the C-H bond of aromatic molecules, such as polycyclic aromatic hydrocarbons (PAHs), is currently a big challenge and a subject of study in catalysis, astrochemistry, and planetary science. In the latter, the study of the breakdown reaction of PAHs on mineral surfaces is important to understand if PAHs are linked to prebiotic molecules in regions of star and planet formation. In this work, we employed a periodic density functional theory along with Grimme's D4 (DFT-D4) approach for studying the adsorption of a sample of PAHs (naphthalene, anthracene, fluoranthene, pyrene, coronene, and benzocoronene) and fullerene on the [010] forsterite surface and its defective surfaces (Fe-doped and Ni-doped surfaces and a MgO-Schottky vacancy) for their implications in catalysis and astrochemistry. On the basis of structural and binding energy analysis, large PAHs and fullerene present stronger adsorption on the pristine, Fe-doped, and Ni-doped forsterite surfaces than small PAHs. On a MgO-Schottky vacancy, parallel adsorption of the PAH leads to the chemisorption process (C-Si and/or C-O bonds), whereas perpendicular orientation of the PAH leads to the catalytic breaking of the aromatic C-H bond via a barrierless reaction. Spin density and charge analysis show that C-H dissociation is promoted by electron donation from the vacancy to the PAH. As a result of the undercoordinated Si and O atoms, the vacancy acts as a Frustrated Lewis Pair (FLP) catalyst. Therefore, a MgO-Schottky vacancy [010] forsterite surface proved to have potential catalytic activity for the activation of C-H bond in aromatic molecules.
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Affiliation(s)
- Dario Campisi
- Leiden
Observatory, Leiden University, Niels Bohrweg 2, Leiden 2333 CA, The Netherlands
| | - Thanja Lamberts
- Leiden
Observatory, Leiden University, Niels Bohrweg 2, Leiden 2333 CA, The Netherlands
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2300 RA, The Netherlands
| | - Nelson Y. Dzade
- Cardiff
University, Main Building,
Park Place, Cardiff CF10
3AT, U.K.
| | - Rocco Martinazzo
- Department
of Chemistry, Università degli Studi
di Milano, Via Golgi 19, Milan 20133, Italy
| | - Inge Loes ten Kate
- Department
of Earth Sciences, Faculty of Geosciences, Utrecht University, Princetonlaan 8a, Utrecht 3584 CB, The Netherlands
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Ling J, Bruneau‐Voisine A, Journot G, Evano G. Copper‐Catalyzed Carbonylative Cross‐Coupling of Alkyl Iodides and Amines. Chemistry 2022; 28:e202201356. [DOI: 10.1002/chem.202201356] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Indexed: 12/29/2022]
Affiliation(s)
- Johanne Ling
- Laboratoire de Chimie Organique Service de Chimie et Physico-Chimie Organiques Université libre de Bruxelles (ULB) Avenue F.D. Roosevelt 50, CP160/06 1050 Brussels Belgium
| | | | - Guillaume Journot
- Oril Industrie 13, rue Auguste Desgenétais, CS 60125 76210 Bolbec France
| | - Gwilherm Evano
- Laboratoire de Chimie Organique Service de Chimie et Physico-Chimie Organiques Université libre de Bruxelles (ULB) Avenue F.D. Roosevelt 50, CP160/06 1050 Brussels Belgium
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Huo LQ, Shi LL, Fu J. Iron‐Copper Dual‐Catalysis Boosted C‐Based Bond‐Forming Reactions. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200454] [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)
- Lu-Qiong Huo
- The Chinese University of Hong Kong - Shenzhen School of Science and Engineering Longgang District 518055 Shenzhen CHINA
| | - Li-Li Shi
- Peking University Shenzhen Graduate School State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics Shenzhen University TownLishui RoadXili TownNanshan District 518055 Shenzhen CHINA
| | - Junkai Fu
- Northeast Normal University Department of Chemistry Renmin Street, 5268Nanguan district 130024 Changchun CHINA
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Romano PN, de Carvalho Filho JFS, de Almeida JMAR, Sousa-Aguiar EF. Screening of mono and bimetallic catalysts for the dry reforming of methane. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.08.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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48
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Fe-Catalyzed Ring-Opening Reactions of Siloxy Cyclopropanes with Alkenes and TBHP: Synthesis of 4-Ester Peroxides. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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49
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Kejriwal A. Non-heme iron coordination complexes for alkane oxidation using hydrogen peroxide (H 2O 2) as powerful oxidant. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2085567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ambica Kejriwal
- Department of Chemistry, Raiganj University, Raiganj, West Bengal, India
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50
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Papadopoulou A, Peters C, Borchert S, Steiner K, Buller R. Development of an Ene Reductase-Based Biocatalytic Process for the Production of Flavor Compounds. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Athena Papadopoulou
- Competence Center for Biocatalysis, Institute of Chemistry and Biotechnology, Department of Life Sciences and Facility Management, Zurich University of Applied Sciences, Einsiedlerstrasse 31, 8820 Wädenswil, Switzerland
| | - Christin Peters
- Competence Center for Biocatalysis, Institute of Chemistry and Biotechnology, Department of Life Sciences and Facility Management, Zurich University of Applied Sciences, Einsiedlerstrasse 31, 8820 Wädenswil, Switzerland
| | - Sonja Borchert
- Firmenich SA, Rue de la Bergère 7, 1242 Satigny, Switzerland
| | - Kerstin Steiner
- Firmenich SA, Rue de la Bergère 7, 1242 Satigny, Switzerland
| | - Rebecca Buller
- Competence Center for Biocatalysis, Institute of Chemistry and Biotechnology, Department of Life Sciences and Facility Management, Zurich University of Applied Sciences, Einsiedlerstrasse 31, 8820 Wädenswil, Switzerland
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