1
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Jiang X, Lan Y, Hao Y, Jiang K, He J, Zhu J, Jia S, Song J, Li SJ, Niu L. Iron photocatalysis via Brønsted acid-unlocked ligand-to-metal charge transfer. Nat Commun 2024; 15:6115. [PMID: 39033136 PMCID: PMC11271273 DOI: 10.1038/s41467-024-50507-6] [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: 09/27/2023] [Accepted: 07/15/2024] [Indexed: 07/23/2024] Open
Abstract
Reforming sustainable 3d-metal-based visible light catalytic platforms for inert bulk chemical activation is highly desirable. Herein, we demonstrate the use of a Brønsted acid to unlock robust and practical iron ligand-to-metal charge transfer (LMCT) photocatalysis for the activation of multifarious inert haloalkylcarboxylates (CnXmCOO-, X = F or Cl) to produce CnXm radicals. This process enables the fluoro-polyhaloalkylation of non-activated alkenes by combining easily available Selectfluor as a fluorine source. Valuable alkyl fluorides including potential drug molecules can be easily obtained through this protocol. Mechanistic studies indicate that the real light-harvesting species may derive from the in situ-assembly of Fe3+, CnXmCOO-, H+, and acetonitrile solvent, in which the Brønsted acid indeed increases the efficiency of LMCT between the iron center and CnXmCOO- via hydrogen-bond interactions. We anticipate that this Brønsted acid-unlocked iron LMCT platform would be an intriguing sustainable option to execute the activation of inert compounds.
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Affiliation(s)
- Xiaoyu Jiang
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Yu Lan
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China.
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Henan Normal University, Xinxiang, Henan, PR China.
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Chemical Theory and Mechanism, Chongqing University, Chongqing, PR China.
| | - Yudong Hao
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Kui Jiang
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Jing He
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Jiali Zhu
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Shiqi Jia
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Jinshuai Song
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Shi-Jun Li
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China.
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Henan Normal University, Xinxiang, Henan, PR China.
| | - Linbin Niu
- College of Chemistry, and Pingyuan Laboratory, Zhengzhou University, Zhengzhou, Henan, PR China.
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, Henan Normal University, Xinxiang, Henan, PR China.
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2
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Innocent M, Tanguy C, Gavelle S, Aubineau T, Guérinot A. Iron-Catalyzed, Light-Driven Decarboxylative Alkoxyamination. Chemistry 2024; 30:e202401252. [PMID: 38736425 DOI: 10.1002/chem.202401252] [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: 03/28/2024] [Revised: 05/07/2024] [Accepted: 05/12/2024] [Indexed: 05/14/2024]
Abstract
An iron-catalyzed visible-light driven decarboxylative alkoxyamination is disclosed. In the presence of FeBr2 and TEMPO, a large array of carboxylic acids including marketed drugs and biobased molecules is turned into the corresponding alkoxyamine derivatives. The versatility of the latter offers an entry towards molecular diversity generation from abundant starting materials and catalyst. Overall, this method proposes a unified and general approach for LMCT-based iron-catalyzed decarboxylative functionalization.
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Affiliation(s)
- Milan Innocent
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin, 75005, Paris, France
| | - Clément Tanguy
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin, 75005, Paris, France
| | - Sigrid Gavelle
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin, 75005, Paris, France
| | - Thomas Aubineau
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin, 75005, Paris, France
| | - Amandine Guérinot
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris - PSL, CNRS, 10 rue Vauquelin, 75005, Paris, France
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3
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Fall A, Magdei M, Savchuk M, Oudeyer S, Beucher H, Brière JF. Iron-catalyzed decarboxylative radical addition to chiral azomethine imines upon visible light. Chem Commun (Camb) 2024; 60:6316-6319. [PMID: 38819219 DOI: 10.1039/d4cc01766h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
Herein, we disclose an eco-efficient redox-neutral iron-catalyzed decarboxylative radical addition to chiral azomethine imines upon visible light (427 nm) giving cyclic hydrazine derivatives with dr ranging from 82 : 18 to >96 : 4. This earth-abundant metal promoted sequence proceeds efficiently under ligand-free conditions based on a LMCT process and opens a route to new chiral heterocycles.
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Affiliation(s)
- Arona Fall
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000 Rouen, France.
| | - Mihaela Magdei
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000 Rouen, France.
| | - Mariia Savchuk
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000 Rouen, France.
| | - Sylvain Oudeyer
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000 Rouen, France.
| | - Hélène Beucher
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000 Rouen, France.
| | - Jean-François Brière
- INSA Rouen Normandie, Univ Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3M FR 3038, F-76000 Rouen, France.
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4
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Sun K, Sun T, Jiang Y, Shi J, Sun W, Zheng Y, Wang Z, Li Z, Lv X, Zhang X, Luo F, Liu S. Iron-catalyzed benzylic C-H thiolation via photoinduced ligand-to-metal charge-transfer. Chem Commun (Camb) 2024; 60:5755-5758. [PMID: 38747147 DOI: 10.1039/d4cc01574f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Here, we describe an iron-catalyzed benzylic C-H thiolation of alkylarenes via photoinduced ligand-to-metal charge-transfer. The protocol features operational simplicity, mild reaction conditions, and the use of FeCl3 as catalyst and thiols/disulfides as sulfur sources, which enables the transformation of diverse benzylic C-H bonds into C-S bonds with a high efficiency.
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Affiliation(s)
- Kaiting Sun
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Tianyi Sun
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Yuxin Jiang
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Jiayue Shi
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Wenlu Sun
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Youyou Zheng
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Zhixuan Wang
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Ziyu Li
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Xiaoqing Lv
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Xingxian Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, P. R. China.
| | - Fan Luo
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
| | - Shihui Liu
- College of Medicine, Jiaxing University, 118 Jiahang Road, Jiaxing, 314001, P. R. China.
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5
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Wenzel JO, Werner J, Allgaier A, van Slageren J, Fernández I, Unterreiner AN, Breher F. Visible-Light Activation of Diorganyl Bis(pyridylimino) Isoindolide Aluminum(III) Complexes and Their Organometallic Radical Reactivity. Angew Chem Int Ed Engl 2024; 63:e202402885. [PMID: 38511969 DOI: 10.1002/anie.202402885] [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: 02/08/2024] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 03/22/2024]
Abstract
We report on the synthesis and characterization of a series of (mostly) air-stable diorganyl bis(pyridylimino) isoindolide (BPI) aluminum complexes and their chemistry upon visible-light excitation. The redox non-innocent BPI pincer ligand allows for efficient charge transfer homolytic processes of the title compounds. This makes them a universal platform for the generation of carbon-centered radicals. The photo-induced homolytic cleavage of the Al-C bonds was investigated by means of stationary and transient UV/Vis spectroscopy, spin trapping experiments, as well as EPR and NMR spectroscopy. The experimental findings were supported by quantum chemical calculations. Reactivity studies enabled the utilization of the aluminum complexes as reactants in tin-free Giese-type reactions and carbonyl alkylations under ambient conditions, which both indicated radical-polar crossover behavior. A deeper understanding of the physical fundamentals and photochemical process was provided, furnishing in turn a new strategy to control the reactivity of bench-stable aluminum organometallics.
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Affiliation(s)
- Jonas O Wenzel
- Karlsruhe Institute of Technology (KIT), Institute of Inorganic Chemistry (AOC), Engesserstraße 15, 76131, Karlsruhe, Germany
| | - Johannes Werner
- Karlsruhe Institute of Technology (KIT), Institute of Physical Chemistry (IPC), Fritz-Haber-Weg 2, 76131, Karlsruhe, Germany
| | - Alexander Allgaier
- University of Stuttgart, Institute of Physical Chemistry, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Joris van Slageren
- University of Stuttgart, Institute of Physical Chemistry, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Israel Fernández
- Universidad Complutense de Madrid, Facultad de Ciencias Químicas, 28040, Madrid, Spain
| | - Andreas-Neil Unterreiner
- Karlsruhe Institute of Technology (KIT), Institute of Physical Chemistry (IPC), Fritz-Haber-Weg 2, 76131, Karlsruhe, Germany
| | - Frank Breher
- Karlsruhe Institute of Technology (KIT), Institute of Inorganic Chemistry (AOC), Engesserstraße 15, 76131, Karlsruhe, Germany
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6
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Fedunov RG, Pozdnyakov IP, Mikheylis AV, Melnikov AA, Chekalin SV, Glebov EM. Primary photophysical and photochemical processes for cerium ammonium nitrate (CAN) in acetonitrile. Photochem Photobiol Sci 2024; 23:781-792. [PMID: 38546955 DOI: 10.1007/s43630-024-00554-1] [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: 12/20/2023] [Accepted: 02/12/2024] [Indexed: 04/16/2024]
Abstract
Cerium ammonium nitrate (CAN) is an important photolytic source of NO3• radicals in aqueous nitric acid solutions and in acetonitrile. In this work we performed the study of primary photochemical processes for CAN in acetonitrile by means of ultrafast TA spectroscopy and quantum chemical calculations. Photoexcitation of CAN is followed by ultrafast (< 100 fs) intersystem crossing; the vibrationally cooled triplet state decays to pentacoordinated Ce(III) intermediate and NO3• radical with the characteristic time of ca. 40 ps. Quantum chemical (QM) calculations satisfactorily describe the UV-vis spectrum of the triplet state. An important feature of CAN photochemistry in CH3CN is the partial stabilization of the radical complex (RC) [(NH4)2CeIII(NO3)5…NO3•], which lifetime is ca. 2 μs. The possibility of the RC stabilization is supported by the QM calculations.
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Affiliation(s)
- Roman G Fedunov
- Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, 3 Institutskaya Str., 630090, Novosibirsk, Russian Federation
- Novosibirsk State University, 2 Pirogova Str., 630090, Novosibirsk, Russian Federation
| | - Ivan P Pozdnyakov
- Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, 3 Institutskaya Str., 630090, Novosibirsk, Russian Federation
| | - Aleksander V Mikheylis
- Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, 3 Institutskaya Str., 630090, Novosibirsk, Russian Federation
| | - Alexei A Melnikov
- Institute of Spectroscopy, Russian Academy of Sciences, 5 Fizicheskaya Str., Troitsk, 119333, Moscow, Russian Federation
| | - Sergei V Chekalin
- Institute of Spectroscopy, Russian Academy of Sciences, 5 Fizicheskaya Str., Troitsk, 119333, Moscow, Russian Federation
| | - Evgeni M Glebov
- Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch of the Russian Academy of Sciences, 3 Institutskaya Str., 630090, Novosibirsk, Russian Federation.
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7
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Yuan Y, Yang J, Zhang J. Cu-catalyzed enantioselective decarboxylative cyanation via the synergistic merger of photocatalysis and electrochemistry. Chem Sci 2023; 14:705-710. [PMID: 36741520 PMCID: PMC9847662 DOI: 10.1039/d2sc05428k] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022] Open
Abstract
The development of an efficient and straightforward method for decarboxylative coupling using common alkyl carboxylic acid is of great value. However, decarboxylative coupling with nucleophiles always needs stoichiometric chemical oxidants or substrate prefunctionalization. Herein, we report a protocol for Cu-catalyzed enantioselective decarboxylative cyanation via the merger of photocatalysis and electrochemistry. CeCl3 and Cu/BOX were used as co-catalysts to promote the decarboxylation and cyanation, and both catalysts were regenerated via anodic oxidation. This method establishes a proof of concept enantioselective transformation via photoelectrocatalysis. Studies by DFT calculations provided mechanistic insight on enantioselectivity control.
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Affiliation(s)
- Yin Yuan
- Department of Chemistry, Fudan University2005 Songhu RoadShanghai200438P. R. China
| | - Junfeng Yang
- Department of Chemistry, Fudan University2005 Songhu RoadShanghai200438P. R. China,Fudan Zhangjiang InstituteShanghai 201203P. R. China
| | - Junliang Zhang
- Department of Chemistry, Fudan University2005 Songhu RoadShanghai200438P. R. China
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8
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Lai XL, Chen M, Wang Y, Song J, Xu HC. Photoelectrochemical Asymmetric Catalysis Enables Direct and Enantioselective Decarboxylative Cyanation. J Am Chem Soc 2022; 144:20201-20206. [DOI: 10.1021/jacs.2c09050] [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]
Affiliation(s)
- Xiao-Li Lai
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Ming Chen
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
| | - Yuqi Wang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Jinshuai Song
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, PR China
| | - Hai-Chao Xu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China
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9
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Juliá F. Ligand‐to‐Metal Charge Transfer (LMCT) Photochemistry at 3d‐Metal Complexes: An Emerging Tool for Sustainable Organic Synthesis. ChemCatChem 2022. [DOI: 10.1002/cctc.202200916] [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)
- Fabio Juliá
- Institute of Chemical Research of Catalonia: Institut Catala d'Investigacio Quimica Chemistry Av Paisos Catalans, 16 43007 Tarragona SPAIN
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10
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Niu B, Sachidanandan K, Cooke MV, Casey TE, Laulhé S. Photoinduced C(sp 3)-H Chalcogenation of Amide Derivatives and Ethers via Ligand-to-Metal Charge-Transfer. Org Lett 2022; 24:4524-4529. [PMID: 35729078 DOI: 10.1021/acs.orglett.2c01505] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A photoinduced, iron(III) chloride-catalyzed C-H activation of N-methyl amides and ethers leads to the formation of C-S and C-Se bonds via a ligand-to-metal charge transfer (LMCT) process. This methodology converts secondary and tertiary amides, sulfonamides, and carbamates into the corresponding amido-N,S-acetal derivatives in good yields. Mechanistic work revealed that this transformation proceeds through a hydrogen atom transfer (HAT) involving chlorine radical intermediates.
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Affiliation(s)
- Ben Niu
- Department of Chemistry & Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Krishnakumar Sachidanandan
- Department of Chemistry & Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Maria Victoria Cooke
- Department of Chemistry & Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Taylor E Casey
- Department of Chemistry & Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Sébastien Laulhé
- Department of Chemistry & Chemical Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
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11
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Wan T, Wen Z, Laudadio G, Capaldo L, Lammers R, Rincón JA, García-Losada P, Mateos C, Frederick MO, Broersma R, Noël T. Accelerated and Scalable C(sp 3)-H Amination via Decatungstate Photocatalysis Using a Flow Photoreactor Equipped with High-Intensity LEDs. ACS CENTRAL SCIENCE 2022; 8:51-56. [PMID: 35106372 PMCID: PMC8796300 DOI: 10.1021/acscentsci.1c01109] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Indexed: 05/10/2023]
Abstract
Carbon-nitrogen bonds are ubiquitous in biologically active compounds, prompting synthetic chemists to design various methodologies for their preparation. Arguably, the ideal synthetic approach is to be able to directly convert omnipresent C-H bonds in organic molecules, enabling even late-stage functionalization of complex organic scaffolds. While this approach has been thoroughly investigated for C(sp2)-H bonds, only few examples have been reported for the direct amination of aliphatic C(sp3)-H bonds. Herein, we report the use of a newly developed flow photoreactor equipped with high intensity chip-on-board LED technology (144 W optical power) to trigger the regioselective and scalable C(sp3)-H amination via decatungstate photocatalysis. This high-intensity reactor platform enables simultaneously fast results gathering and scalability in a single device, thus bridging the gap between academic discovery (mmol scale) and industrial production (>2 kg/day productivity). The photocatalytic transformation is amenable to the conversion of both activated and nonactivated hydrocarbons, leading to protected hydrazine products by reaction with azodicarboxylates. We further validated the robustness of our manifold by designing telescoped flow approaches for the synthesis of pyrazoles, phthalazinones and free amines.
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Affiliation(s)
- Ting Wan
- Flow
Chemistry Group, Van ’t Hoff Institute for Molecular Sciences
(HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Zhenghui Wen
- Flow
Chemistry Group, Van ’t Hoff Institute for Molecular Sciences
(HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Gabriele Laudadio
- Flow
Chemistry Group, Van ’t Hoff Institute for Molecular Sciences
(HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Luca Capaldo
- Flow
Chemistry Group, Van ’t Hoff Institute for Molecular Sciences
(HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Rob Lammers
- Flow
Chemistry Group, Van ’t Hoff Institute for Molecular Sciences
(HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Juan A. Rincón
- Centro
de Investigación Lilly S.A., Avda. de la Industria 30, Alcobendas-Madrid 28108, Spain
| | - Pablo García-Losada
- Centro
de Investigación Lilly S.A., Avda. de la Industria 30, Alcobendas-Madrid 28108, Spain
| | - Carlos Mateos
- Centro
de Investigación Lilly S.A., Avda. de la Industria 30, Alcobendas-Madrid 28108, Spain
| | - Michael O. Frederick
- Small Molecule
Design and Development, Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | - Rémy Broersma
- Signify
Research, High Tech Campus
7, 5656 AE Eindhoven, The Netherlands
| | - Timothy Noël
- Flow
Chemistry Group, Van ’t Hoff Institute for Molecular Sciences
(HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
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12
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Lv X, Zhao XL, Zhao Q, Zheng Q, Xuan W. Cerium-Oxo clusters for photocatalytic aerobic oxygenation of sulfides to sulfoxides. Dalton Trans 2022; 51:8949-8954. [DOI: 10.1039/d2dt00856d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two cerium-oxo clusters (COCs) 1 and 2 are constructed by self-assembly of cerium ions and carboxylate ligands. Both clusters feature spherical structures resembling the key moiety of fluorite phase CeO2,...
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13
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Barrach Guerra R, Alves Gálico D, Fernanda de Campos Fraga-Silva T, Aguiar J, Venturini J, Bannach G. Rare-earth complexes with anti-inflammatory drug sulindac: Synthesis, characterization, spectroscopic and in vitro biological studies. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120516] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Abderrazak Y, Bhattacharyya A, Reiser O. Durch sichtbares Licht induzierte Homolyse unedler, gut verfügbarer Metallsubstratkomplexe: Eine komplementäre Aktivierungsstrategie in der Photoredoxkatalyse. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Youssef Abderrazak
- Institut für Organische Chemie Universität Regensburg Universitätsstraße 31 93053 Regensburg Deutschland
| | - Aditya Bhattacharyya
- Institut für Organische Chemie Universität Regensburg Universitätsstraße 31 93053 Regensburg Deutschland
| | - Oliver Reiser
- Institut für Organische Chemie Universität Regensburg Universitätsstraße 31 93053 Regensburg Deutschland
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15
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Abderrazak Y, Bhattacharyya A, Reiser O. Visible-Light-Induced Homolysis of Earth-Abundant Metal-Substrate Complexes: A Complementary Activation Strategy in Photoredox Catalysis. Angew Chem Int Ed Engl 2021; 60:21100-21115. [PMID: 33599363 PMCID: PMC8519011 DOI: 10.1002/anie.202100270] [Citation(s) in RCA: 131] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/17/2021] [Indexed: 01/16/2023]
Abstract
The mainstream applications of visible-light photoredox catalysis predominately involve outer-sphere single-electron transfer (SET) or energy transfer (EnT) processes of precious metal RuII or IrIII complexes or of organic dyes with low photostability. Earth-abundant metal-based Mn Ln -type (M=metal, Ln =polydentate ligands) complexes are rapidly evolving as alternative photocatalysts as they offer not only economic and ecological advantages but also access to the complementary inner-sphere mechanistic modes, thereby transcending their inherent limitations of ultrashort excited-state lifetimes for use as effective photocatalysts. The generic process, termed visible-light-induced homolysis (VLIH), entails the formation of suitable light-absorbing ligated metal-substrate complexes (Mn Ln -Z; Z=substrate) that can undergo homolytic cleavage to generate Mn-1 Ln and Z. for further transformations.
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Affiliation(s)
- Youssef Abderrazak
- Institut für Organische Chemie, Universität Regensburg, Universitätsstrasse 31, 93053, Regensburg, Germany
| | - Aditya Bhattacharyya
- Institut für Organische Chemie, Universität Regensburg, Universitätsstrasse 31, 93053, Regensburg, Germany
| | - Oliver Reiser
- Institut für Organische Chemie, Universität Regensburg, Universitätsstrasse 31, 93053, Regensburg, Germany
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17
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Yang Q, Wang YH, Qiao Y, Gau M, Carroll PJ, Walsh PJ, Schelter EJ. Photocatalytic C-H activation and the subtle role of chlorine radical complexation in reactivity. Science 2021; 372:847-852. [PMID: 34016778 DOI: 10.1126/science.abd8408] [Citation(s) in RCA: 106] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 01/14/2021] [Accepted: 04/13/2021] [Indexed: 12/24/2022]
Abstract
The functionalization of methane, ethane, and other alkanes derived from fossil fuels is a central goal in the chemical enterprise. Recently, a photocatalytic system comprising [CeIVCl5(OR)]2- [CeIV, cerium(IV); OR, -OCH3 or -OCCl2CH3] was disclosed. The system was reportedly capable of alkane activation by alkoxy radicals (RO•) formed by CeIV-OR bond photolysis. In this work, we present evidence that the reported carbon-hydrogen (C-H) activation of alkanes is instead mediated by the photocatalyst [NEt4]2[CeCl6] (NEt4 +, tetraethylammonium), and RO• are not intermediates. Spectroscopic analyses and kinetics were investigated for C-H activation to identify chlorine radical (Cl•) generation as the rate-limiting step. Density functional theory calculations support the formation of [Cl•][alcohol] adducts when alcohols are present, which can manifest a masked RO• character. This result serves as an important cautionary note for interpretation of radical trapping experiments.
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Affiliation(s)
- Qiaomu Yang
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Yu-Heng Wang
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Yusen Qiao
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Michael Gau
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Patrick J Carroll
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA
| | - Patrick J Walsh
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA.
| | - Eric J Schelter
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, PA 19104, USA.
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18
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A kinetic study of the photooxidation of water by aqueous cerium(IV) in sulfuric acid using a diode array spectrophotometer. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.113110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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19
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Terephthalate acid decorated TiO2 for visible light driven photocatalysis mediated via ligand-to-metal charge transfer (LMCT). Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125188] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Chen L, Yang JC, Xu P, Zhang JJ, Duan XH, Guo L. Nickel-catalyzed Suzuki Coupling of Cycloalkyl Silyl Peroxides with Boronic Acids. J Org Chem 2020; 85:7515-7525. [DOI: 10.1021/acs.joc.0c00250] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Lei Chen
- Department of Chemistry, School of Science, Xi’an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Jun-Cheng Yang
- Department of Chemistry, School of Science, Xi’an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Pengfei Xu
- Department of Chemistry, School of Science, Xi’an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Jun-Jie Zhang
- Department of Chemistry, School of Science, Xi’an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, P. R. China
| | - Xin-Hua Duan
- Department of Chemistry, School of Science, Xi’an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, P. R. China
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, P. R. China
| | - Li−Na Guo
- Department of Chemistry, School of Science, Xi’an Key Laboratory of Sustainable Energy Material Chemistry, and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, P. R. China
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21
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Shirase S, Tamaki S, Shinohara K, Hirosawa K, Tsurugi H, Satoh T, Mashima K. Cerium(IV) Carboxylate Photocatalyst for Catalytic Radical Formation from Carboxylic Acids: Decarboxylative Oxygenation of Aliphatic Carboxylic Acids and Lactonization of Aromatic Carboxylic Acids. J Am Chem Soc 2020; 142:5668-5675. [PMID: 32109060 DOI: 10.1021/jacs.9b12918] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We found that in situ generated cerium(IV) carboxylate generated by mixing the precursor Ce(OtBu)4 with the corresponding carboxylic acids served as efficient photocatalysts for the direct formation of carboxyl radicals from carboxylic acids under blue light-emitting diodes (blue LEDs) irradiation and air, resulting in catalytic decarboxylative oxygenation of aliphatic carboxylic acids to give C-O bond-forming products such as aldehydes and ketones. Control experiments revealed that hexanuclear Ce(IV) carboxylate clusters initially formed in the reaction mixture and the ligand-to-metal charge transfer nature of the Ce(IV) carboxylate clusters was responsible for the high catalytic performance to transform the carboxylate ligands to the carboxyl radical. In addition, the Ce(IV) carboxylate cluster catalyzed direct lactonization of 2-isopropylbenzoic acid to produce the corresponding peroxy lactone and γ-lactone via intramolecular 1,5-hydrogen atom transfer (1,5-HAT).
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Affiliation(s)
- Satoru Shirase
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Sota Tamaki
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Koichi Shinohara
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Keishi Hirosawa
- Department of Chemistry, Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan
| | - Hayato Tsurugi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Tetsuya Satoh
- Department of Chemistry, Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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22
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Zhang C, Xu Y, Lv C, Zhou X, Wang Y, Xing W, Meng Q, Kong Y, Chen G. Mimicking π Backdonation in Ce-MOFs for Solar-Driven Ammonia Synthesis. ACS APPLIED MATERIALS & INTERFACES 2019; 11:29917-29923. [PMID: 31339296 DOI: 10.1021/acsami.9b08682] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
π Backdonation is the core process to break through the kinetically complex and energetic hurdle for catalyzing effectively the NH3 synthesis but only occurs on certain transition metals with empty and filled d orbitals. Herein, mimicking π backdonation enables MOF-76(Ce) materials to convert N2/NH3 effectively. Note that, by virtue of the intrinsic mechanism of ligand-to-metal charge transfer, metal cerium species in MOF-76(Ce) serve as an electron sink for accumulating the photogenerated electrons. Taken together, experimental and theoretical analyses reveal that such metal cerium species with coordination unsaturated state (Ce-CUS) on a MOF-76(Ce) nanorod surface can also provide unoccupied and occupied 4f orbitals to accept from and then donate electrons back to nitrogen molecules. Remarkably, it shows outstanding photocatalytic nitrogen reduction performance with high average NH3 yield (34 μmol g-1 h-1) under ambient conditions. This work provides fresh insights into rational designing and engineering highly active catalysts with rare earth elements.
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Affiliation(s)
- Congmin Zhang
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Yanling Xu
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Chade Lv
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Xin Zhou
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Yu Wang
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Weinan Xing
- College of Biology and the Environment , Nanjing Forestry University , Nanjing 210037 , China
| | - Qingqiang Meng
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Yi Kong
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Gang Chen
- Department of Materials Chemistry, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
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Morcillo SP. Radical‐Promoted C−C Bond Cleavage: A Deconstructive Approach for Selective Functionalization. Angew Chem Int Ed Engl 2019; 58:14044-14054. [DOI: 10.1002/anie.201905218] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Sara P. Morcillo
- Departamento de Química Orgánica Facultad de Ciencias Universidad de Granada Avda. Fuentenueva, s/n 18071 Granada Spain
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24
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Morcillo SP. Radical‐Promoted C−C Bond Cleavage: A Deconstructive Approach for Selective Functionalization. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905218] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Sara P. Morcillo
- Departamento de Química Orgánica Facultad de Ciencias Universidad de Granada Avda. Fuentenueva, s/n 18071 Granada Spain
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25
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Yang Q, Yang Z, Tan Y, Zhao J, Sun Q, Zhang H, Zhang Y. Direct C(
sp
2
)−H Amination to Synthesize Primary 3‐aminoquinoxalin‐2(1
H
)‐ones under Simple and Mild Conditions. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801661] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Qiming Yang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Zibing Yang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Yushi Tan
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Jiquan Zhao
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Qian Sun
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Hong‐Yu Zhang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
| | - Yuecheng Zhang
- School of Chemical Engineering and Technology, Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy SavingHebei University of Technology Tianjin 300130 People's Republic of China
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Capaldo L, Ravelli D. Alkoxy radicals generation: facile photocatalytic reduction of N-alkoxyazinium or azolium salts. Chem Commun (Camb) 2019; 55:3029-3032. [DOI: 10.1039/c9cc00035f] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The photocatalytic reduction of N-alkoxyazinium or azolium salts allowed the facile generation of alkoxy radicals to be exploited in synthesis.
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Affiliation(s)
- Luca Capaldo
- PhotoGreen Lab, Department of Chemistry, University of Pavia
- 27100 Pavia
- Italy
| | - Davide Ravelli
- PhotoGreen Lab, Department of Chemistry, University of Pavia
- 27100 Pavia
- Italy
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