51
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Chan AY, Perry IB, Bissonnette NB, Buksh BF, Edwards GA, Frye LI, Garry OL, Lavagnino MN, Li BX, Liang Y, Mao E, Millet A, Oakley JV, Reed NL, Sakai HA, Seath CP, MacMillan DWC. Metallaphotoredox: The Merger of Photoredox and Transition Metal Catalysis. Chem Rev 2021; 122:1485-1542. [PMID: 34793128 DOI: 10.1021/acs.chemrev.1c00383] [Citation(s) in RCA: 494] [Impact Index Per Article: 164.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The merger of photoredox catalysis with transition metal catalysis, termed metallaphotoredox catalysis, has become a mainstay in synthetic methodology over the past decade. Metallaphotoredox catalysis has combined the unparalleled capacity of transition metal catalysis for bond formation with the broad utility of photoinduced electron- and energy-transfer processes. Photocatalytic substrate activation has allowed the engagement of simple starting materials in metal-mediated bond-forming processes. Moreover, electron or energy transfer directly with key organometallic intermediates has provided novel activation modes entirely complementary to traditional catalytic platforms. This Review details and contextualizes the advancements in molecule construction brought forth by metallaphotocatalysis.
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Affiliation(s)
- Amy Y Chan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Ian B Perry
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Noah B Bissonnette
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Benito F Buksh
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Grant A Edwards
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Lucas I Frye
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Olivia L Garry
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Marissa N Lavagnino
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Beryl X Li
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Yufan Liang
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Edna Mao
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Agustin Millet
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - James V Oakley
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Nicholas L Reed
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Holt A Sakai
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Ciaran P Seath
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - David W C MacMillan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
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52
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Decatungstate as a direct hydrogen atom transfer photocatalyst for synthesis of trifluromethylthioesters from aldehydes. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.03.070] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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53
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Alkylation of in situ generated imines via photoactivation of strong aliphatic C-H bonds. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111841] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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54
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Capaldo L, Ravelli D, Fagnoni M. Direct Photocatalyzed Hydrogen Atom Transfer (HAT) for Aliphatic C-H Bonds Elaboration. Chem Rev 2021; 122:1875-1924. [PMID: 34355884 PMCID: PMC8796199 DOI: 10.1021/acs.chemrev.1c00263] [Citation(s) in RCA: 354] [Impact Index Per Article: 118.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
![]()
Direct photocatalyzed
hydrogen atom transfer (d-HAT) can be considered
a method of choice for the elaboration of
aliphatic C–H bonds. In this manifold, a photocatalyst (PCHAT) exploits the energy of a photon to trigger the homolytic
cleavage of such bonds in organic compounds. Selective C–H
bond elaboration may be achieved by a judicious choice of the hydrogen
abstractor (key parameters are the electronic character and the molecular
structure), as well as reaction additives. Different are the classes
of PCsHAT available, including aromatic ketones, xanthene
dyes (Eosin Y), polyoxometalates, uranyl salts, a metal-oxo porphyrin
and a tris(amino)cyclopropenium radical dication. The processes (mainly
C–C bond formation) are in most cases carried out under mild
conditions with the help of visible light. The aim of this review
is to offer a comprehensive survey of the synthetic applications of
photocatalyzed d-HAT.
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Affiliation(s)
- Luca Capaldo
- Flow Chemistry Group, Van't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Davide Ravelli
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Maurizio Fagnoni
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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55
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Bell JD, Murphy JA. Recent advances in visible light-activated radical coupling reactions triggered by (i) ruthenium, (ii) iridium and (iii) organic photoredox agents. Chem Soc Rev 2021; 50:9540-9685. [PMID: 34309610 DOI: 10.1039/d1cs00311a] [Citation(s) in RCA: 139] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Photoredox chemistry with organic or transition metal agents has been reviewed in earlier years, but such is the pace of progress that we will overlap very little with earlier comprehensive reviews. This review first presents an overview of the area of research and then examines recent examples of C-C, C-N, C-O and C-S bond formations via radical intermediates with transition metal and organic radical promoters. Recent successes with Birch reductions are also included. The transition metal chemistry will be restricted to photocatalysts based on the most widely used metals, Ru and Ir, but includes coupling chemistries that take advantage of low-valent nickel, or occasionally copper, complexes to process the radicals that are formed. Our focus is on developments in the past 10 years (2011-2021). This period has also seen great advances in the chemistry of organic photoredox reagents and the review covers this area. The review is intended to present highlights and is not comprehensive.
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Affiliation(s)
- Jonathan D Bell
- Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, UK.
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56
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Kim K, Lee S, Hong SH. Direct C(sp 3)-H Cyanation Enabled by a Highly Active Decatungstate Photocatalyst. Org Lett 2021; 23:5501-5505. [PMID: 34228456 DOI: 10.1021/acs.orglett.1c01846] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A highly efficient, direct C(sp3)-H cyanation was developed under mild photocatalytic conditions. The method enabled the direct cyanation of various C(sp3)-H substrates with excellent functional group tolerance. Notably, complex natural products and bioactive compounds were efficiently cyanated.
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Affiliation(s)
- Kunsoon Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Seulchan Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Soon Hyeok Hong
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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57
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Sarver PJ, Bissonnette NB, MacMillan DWC. Decatungstate-Catalyzed C( sp3)-H Sulfinylation: Rapid Access to Diverse Organosulfur Functionality. J Am Chem Soc 2021; 143:9737-9743. [PMID: 34161084 PMCID: PMC8627221 DOI: 10.1021/jacs.1c04722] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Here we report the direct conversion of strong, aliphatic C(sp3)-H bonds into the corresponding alkyl sulfinic acids via decatungstate photocatalysis. This transformation has been applied to a diverse range of C(sp3)-rich scaffolds, including natural products and approved pharmaceuticals, providing efficient access to complex sulfur-containing products. To demonstrate the broad potential of this methodology for the divergent synthesis of pharmaceutically relevant molecules, procedures for the diversification of the sulfinic acid products into a range of medicinally relevant functional groups have been developed.
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Affiliation(s)
- Patrick J Sarver
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Noah B Bissonnette
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - David W C MacMillan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
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58
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Murugesan V, Ganguly A, Karthika A, Rasappan R. C-H Alkylation of Aldehydes by Merging TBADT Hydrogen Atom Transfer with Nickel Catalysis. Org Lett 2021; 23:5389-5393. [PMID: 34170145 DOI: 10.1021/acs.orglett.1c01716] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Catalyst controlled site-selective C-H functionalization is a challenging but powerful tool in organic synthesis. Polarity-matched and sterically controlled hydrogen atom transfer (HAT) provides an excellent opportunity for site-selective functionalization. As such, the dual Ni/photoredox system was successfully employed to generate acyl radicals from aldehydes via selective formyl C-H activation and subsequently cross-coupled to generate ketones, a ubiquitous structural motif present in the vast majority of natural and bioactive molecules. However, only a handful of examples that are constrained to the use of aryl halides are developed. Given the wide availability of amines, we developed a cross-coupling reaction via C-N bond cleavage using the economic nickel and TBADT catalyst for the first time. A range of alkyl and aryl aldehydes were cross-coupled with benzylic and allylic pyridinium salts to afford ketones with a broad spectrum of functional group tolerance. High regioselectivity toward formyl C-H bonds even in the presence of α-methylene carbonyl or α-amino/oxy methylene was obtained.
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Affiliation(s)
- Vetrivelan Murugesan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
| | - Anirban Ganguly
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
| | - Ardra Karthika
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
| | - Ramesh Rasappan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
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59
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Abstract
Abstract
The design of new chemical reactions that are convenient, sustainable, and innovative is a preeminent concern for modern synthetic chemistry. While the use of earth abundant element catalysts remains underdeveloped by chemists, nature has developed a cornucopia of powerful transformation using only base metals, demonstrating their viability for sustainable method development. Here we show how study of nature’s approach to disparate chemical problems, from alkene desaturation to photodetection in bacteria, can inspire and enable new approaches to difficult synthetic chemistry problems past, present, and future.
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Affiliation(s)
- Julian G. West
- Department of Chemistry , Rice University , 6100 Main St MS 602 , Houston , TX , 77005 , USA
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60
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Yang B, Zhang H, Wan F, Deng Y, Jiang D, Zhang Q, Liu Y, Zhang C, Fu Z. Molybdenum Isomorphously Substituted Decatungstates as Robust and Renewable Photocatalysts for Visible Light‐Driven Oxidation of Hydrocarbons by Molecular Oxygen. ChemCatChem 2021. [DOI: 10.1002/cctc.202002037] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Bo Yang
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Huanhuan Zhang
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Feifei Wan
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Youer Deng
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Dabo Jiang
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Qiao Zhang
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Yachun Liu
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Chao Zhang
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
| | - Zaihui Fu
- National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources Key Laboratory of Resource Fine-Processing and advanced materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China) College of Chemistry and Chemical Engineering Hunan Normal University Changsha 410081 P.R. China
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61
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Schmalzbauer M, Marcon M, König B. Excited State Anions in Organic Transformations. Angew Chem Int Ed Engl 2021; 60:6270-6292. [PMID: 33002265 PMCID: PMC7986118 DOI: 10.1002/anie.202009288] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/17/2020] [Indexed: 02/06/2023]
Abstract
Utilizing light is a smart way to fuel chemical transformations as it allows the energy to be selectively focused on certain molecules. Many reactions involving electronically excited species proceed via open-shell intermediates, which offer novel and unique routes to expand the hitherto used synthetic toolbox in organic chemistry. The direct conversion of non-prefunctionalized, less activated compounds is a highly desirable goal to pave the way towards more sustainable and atom-economic chemical processes. Photoexcited closed-shell anions have been shown to reach extreme potentials in single electron transfer reactions and reveal unusual excited-state reactivity. It is, therefore, surprising that their use as a reagent or photocatalyst is limited to a few examples. In this Review, we briefly discuss the characteristics of anionic photochemistry, highlight pioneering work, and show recent progress which has been made by utilizing photoexcited anionic species in organic synthesis.
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Affiliation(s)
- Matthias Schmalzbauer
- Faculty of Chemistry and PharmacyUniversity of RegensburgUniversitätsstrasse 3193053RegensburgGermany
| | - Michela Marcon
- Faculty of Chemistry and PharmacyUniversity of RegensburgUniversitätsstrasse 3193053RegensburgGermany
| | - Burkhard König
- Faculty of Chemistry and PharmacyUniversity of RegensburgUniversitätsstrasse 3193053RegensburgGermany
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62
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Lee W, Jung S, Kim M, Hong S. Site-Selective Direct C–H Pyridylation of Unactivated Alkanes by Triplet Excited Anthraquinone. J Am Chem Soc 2021; 143:3003-3012. [DOI: 10.1021/jacs.1c00549] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wooseok Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Sungwoo Jung
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Minseok Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Sungwoo Hong
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Korea
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63
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Li Z, Zhang M, Xin X, Lv H. Mechanistic Studies on the Photooxidation of 5‐Hydroxymethylfurfural by Polyoxometalate Catalysts and Atmospheric Oxygen. ChemCatChem 2021. [DOI: 10.1002/cctc.202001963] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Zheng Li
- MOE Key Laboratory of Cluster Science School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 102488 P. R. China
| | - Mo Zhang
- MOE Key Laboratory of Cluster Science School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 102488 P. R. China
| | - Xing Xin
- MOE Key Laboratory of Cluster Science School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 102488 P. R. China
| | - Hongjin Lv
- MOE Key Laboratory of Cluster Science School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 102488 P. R. China
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64
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Das S, Murugesan K, Villegas Rodríguez GJ, Kaur J, Barham JP, Savateev A, Antonietti M, König B. Photocatalytic (Het)arylation of C(sp3)–H Bonds with Carbon Nitride. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05694] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Saikat Das
- Fakultät für Chemie und Pharmazie, Universität Regensburg, 93040 Regensburg, Germany
| | - Kathiravan Murugesan
- Fakultät für Chemie und Pharmazie, Universität Regensburg, 93040 Regensburg, Germany
| | | | - Jaspreet Kaur
- Fakultät für Chemie und Pharmazie, Universität Regensburg, 93040 Regensburg, Germany
| | - Joshua P. Barham
- Fakultät für Chemie und Pharmazie, Universität Regensburg, 93040 Regensburg, Germany
| | - Aleksandr Savateev
- Department of Colloid Chemistry, Max-Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam, Germany
| | - Markus Antonietti
- Department of Colloid Chemistry, Max-Planck Institute of Colloids and Interfaces, Research Campus Golm, 14424 Potsdam, Germany
| | - Burkhard König
- Fakultät für Chemie und Pharmazie, Universität Regensburg, 93040 Regensburg, Germany
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65
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Schmalzbauer M, Marcon M, König B. Photoangeregte Anionen in organischen Reaktionen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009288] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Matthias Schmalzbauer
- Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Deutschland
| | - Michela Marcon
- Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Deutschland
| | - Burkhard König
- Fakultät für Chemie und Pharmazie Universität Regensburg Universitätsstraße 31 93053 Regensburg Deutschland
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66
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Singh H, Kamal A, Kumari S, Kumar D, Maury SK, Srivastava V, Singh S. Eosin Y-Catalyzed Synthesis of 3-Aminoimidazo[1,2- a]Pyridines via the HAT Process under Visible Light through Formation of the C-N Bond. ACS OMEGA 2020; 5:29854-29863. [PMID: 33251420 PMCID: PMC7689671 DOI: 10.1021/acsomega.0c03941] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 10/27/2020] [Indexed: 06/12/2023]
Abstract
A comfortable, environment-friendly, and metal-free approach for synthesizing the biologically important moiety aminoimidazopyridine through the multicomponent reaction of benzylamine, 2-aminopyridine, and t-butyl isocyanide under visible light using eosin Y as a photocatalyst has been developed. Inexpensive, nontoxic, the effortless accessibility of starting materials, and nonparticipation of particular glassware and a photoreactor system are important qualities of the current approach. Strangely, the mild conditions, environment-friendly, and enumerating tolerance of an extensive range of both electron-donating and electron-withdrawing groups are additional features of the approach.
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Affiliation(s)
- Himanshu
Kumar Singh
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Arsala Kamal
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Savita Kumari
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Dhirendra Kumar
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Suresh Kumar Maury
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Vandana Srivastava
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Sundaram Singh
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
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67
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Dong J, Yue F, Wang X, Song H, Liu Y, Wang Q. Light-Mediated Difluoromethylthiolation of Aldehydes with a Hydrogen Atom Transfer Photocatalyst. Org Lett 2020; 22:8272-8277. [DOI: 10.1021/acs.orglett.0c02902] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jianyang Dong
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Fuyang Yue
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Xiaochen Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Hongjian Song
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Yuxiu Liu
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
| | - Qingmin Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, People’s Republic of China
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68
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Capaldo L, Ertl M, Fagnoni M, Knör G, Ravelli D. Antimony-Oxo Porphyrins as Photocatalysts for Redox-Neutral C-H to C-C Bond Conversion. ACS Catal 2020; 10:9057-9064. [PMID: 33815891 PMCID: PMC8009479 DOI: 10.1021/acscatal.0c02250] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/16/2020] [Indexed: 02/03/2023]
Abstract
The use of high-valent antimony-oxo porphyrins as visible-light photocatalysts operating via direct hydrogen atom transfer has been demonstrated. Computational analysis indicates that the triplet excited state of these complexes shows an oxyl radical behavior, while the SbV center remains in a high-valent oxidation state, serving uniquely to carry the oxo moiety and activate the coordinated ligands. This porphyrin-based system has been exploited upon irradiation to catalyze C-H to C-C bond conversion via the addition of hydrogen donors (ethers and aldehydes) onto Michael acceptors in a redox-neutral fashion without the need of any external oxidant. Laser flash photolysis experiments confirmed that the triplet excited state of the photocatalyst triggers the desired C-H cleavage.
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Affiliation(s)
- Luca Capaldo
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Martin Ertl
- Institute of Inorganic Chemistry, Johannes Kepler University Linz (JKU), Altenberger Strasse 69, 4040 Linz, Austria
| | - Maurizio Fagnoni
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Günther Knör
- Institute of Inorganic Chemistry, Johannes Kepler University Linz (JKU), Altenberger Strasse 69, 4040 Linz, Austria
| | - Davide Ravelli
- PhotoGreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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69
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Martin C, Kastner K, Cameron JM, Hampson E, Alves Fernandes J, Gibson EK, Walsh DA, Sans V, Newton GN. Redox‐Active Hybrid Polyoxometalate‐Stabilised Gold Nanoparticles. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005629] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Carmen Martin
- Nottingham Applied Materials and Interfaces (NAMI) Group The GSK Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Nottingham NG7 2TU UK
- Universidad de Sevilla Departamento de Quimica Fisica Facultad de Quimica 41012 Sevilla Spain
| | - Katharina Kastner
- Nottingham Applied Materials and Interfaces (NAMI) Group The GSK Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Nottingham NG7 2TU UK
| | - Jamie M. Cameron
- Nottingham Applied Materials and Interfaces (NAMI) Group The GSK Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Nottingham NG7 2TU UK
| | - Elizabeth Hampson
- Nottingham Applied Materials and Interfaces (NAMI) Group The GSK Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Nottingham NG7 2TU UK
| | | | - Emma K. Gibson
- School of Chemistry University of Glasgow Glasgow G12 8QQ UK
| | - Darren A. Walsh
- Nottingham Applied Materials and Interfaces (NAMI) Group The GSK Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Nottingham NG7 2TU UK
| | - Victor Sans
- Nottingham Applied Materials and Interfaces (NAMI) Group The GSK Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Nottingham NG7 2TU UK
- Institute of Advanced Materials (INAM) University Jaume I 12006 Castellon Spain
| | - Graham N. Newton
- Nottingham Applied Materials and Interfaces (NAMI) Group The GSK Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Nottingham NG7 2TU UK
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70
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Martin C, Kastner K, Cameron JM, Hampson E, Alves Fernandes J, Gibson EK, Walsh DA, Sans V, Newton GN. Redox-Active Hybrid Polyoxometalate-Stabilised Gold Nanoparticles. Angew Chem Int Ed Engl 2020; 59:14331-14335. [PMID: 32432351 PMCID: PMC7497208 DOI: 10.1002/anie.202005629] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Indexed: 12/31/2022]
Abstract
We report the design and preparation of multifunctional hybrid nanomaterials through the stabilization of gold nanoparticles with thiol-functionalised hybrid organic-inorganic polyoxometalates (POMs). The covalent attachment of the hybrid POM forms new nanocomposites that are stable at temperatures and pH values which destroy analogous electrostatically functionalised nanocomposites. Photoelectrochemical analysis revealed the unique photochemical and redox properties of these systems.
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Affiliation(s)
- Carmen Martin
- Nottingham Applied Materials and Interfaces (NAMI) GroupThe GSK Carbon Neutral Laboratories for Sustainable ChemistryUniversity of NottinghamNottinghamNG7 2TUUK
- Universidad de SevillaDepartamento de Quimica FisicaFacultad de Quimica41012SevillaSpain
| | - Katharina Kastner
- Nottingham Applied Materials and Interfaces (NAMI) GroupThe GSK Carbon Neutral Laboratories for Sustainable ChemistryUniversity of NottinghamNottinghamNG7 2TUUK
| | - Jamie M. Cameron
- Nottingham Applied Materials and Interfaces (NAMI) GroupThe GSK Carbon Neutral Laboratories for Sustainable ChemistryUniversity of NottinghamNottinghamNG7 2TUUK
| | - Elizabeth Hampson
- Nottingham Applied Materials and Interfaces (NAMI) GroupThe GSK Carbon Neutral Laboratories for Sustainable ChemistryUniversity of NottinghamNottinghamNG7 2TUUK
| | | | - Emma K. Gibson
- School of ChemistryUniversity of GlasgowGlasgowG12 8QQUK
| | - Darren A. Walsh
- Nottingham Applied Materials and Interfaces (NAMI) GroupThe GSK Carbon Neutral Laboratories for Sustainable ChemistryUniversity of NottinghamNottinghamNG7 2TUUK
| | - Victor Sans
- Nottingham Applied Materials and Interfaces (NAMI) GroupThe GSK Carbon Neutral Laboratories for Sustainable ChemistryUniversity of NottinghamNottinghamNG7 2TUUK
- Institute of Advanced Materials (INAM)University Jaume I12006CastellonSpain
| | - Graham N. Newton
- Nottingham Applied Materials and Interfaces (NAMI) GroupThe GSK Carbon Neutral Laboratories for Sustainable ChemistryUniversity of NottinghamNottinghamNG7 2TUUK
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71
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Schreier MR, Pfund B, Guo X, Wenger OS. Photo-triggered hydrogen atom transfer from an iridium hydride complex to unactivated olefins. Chem Sci 2020; 11:8582-8594. [PMID: 34123118 PMCID: PMC8163408 DOI: 10.1039/d0sc01820a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022] Open
Abstract
Many photoactive metal complexes can act as electron donors or acceptors upon photoexcitation, but hydrogen atom transfer (HAT) reactivity is rare. We discovered that a typical representative of a widely used class of iridium hydride complexes acts as an H-atom donor to unactivated olefins upon irradiation at 470 nm in the presence of tertiary alkyl amines as sacrificial electron and proton sources. The catalytic hydrogenation of simple olefins served as a test ground to establish this new photo-reactivity of iridium hydrides. Substrates that are very difficult to activate by photoinduced electron transfer were readily hydrogenated, and structure-reactivity relationships established with 12 different olefins are in line with typical HAT reactivity, reflecting the relative stabilities of radical intermediates formed by HAT. Radical clock, H/D isotope labeling, and transient absorption experiments provide further mechanistic insight and corroborate the interpretation of the overall reactivity in terms of photo-triggered hydrogen atom transfer (photo-HAT). The catalytically active species is identified as an Ir(ii) hydride with an IrII-H bond dissociation free energy around 44 kcal mol-1, which is formed after reductive 3MLCT excited-state quenching of the corresponding Ir(iii) hydride, i.e. the actual HAT step occurs on the ground-state potential energy surface. The photo-HAT reactivity presented here represents a conceptually novel approach to photocatalysis with metal complexes, which is fundamentally different from the many prior studies relying on photoinduced electron transfer.
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Affiliation(s)
- Mirjam R Schreier
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Björn Pfund
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Xingwei Guo
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Oliver S Wenger
- Department of Chemistry, University of Basel St. Johanns-Ring 19 4056 Basel Switzerland
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72
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Kuang Y, Cao H, Tang H, Chew J, Chen W, Shi X, Wu J. Visible light driven deuteration of formyl C-H and hydridic C(sp 3)-H bonds in feedstock chemicals and pharmaceutical molecules. Chem Sci 2020; 11:8912-8918. [PMID: 34123145 PMCID: PMC8163369 DOI: 10.1039/d0sc02661a] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 07/29/2020] [Indexed: 12/16/2022] Open
Abstract
Deuterium labelled compounds are of significant importance in chemical mechanism investigations, mass spectrometric studies, diagnoses of drug metabolisms, and pharmaceutical discovery. Herein, we report an efficient hydrogen deuterium exchange reaction using deuterium oxide (D2O) as the deuterium source, enabled by merging a tetra-n-butylammonium decatungstate (TBADT) hydrogen atom transfer photocatalyst and a thiol catalyst under light irradiation at 390 nm. This deuteration protocol is effective with formyl C-H bonds and a wide range of hydridic C(sp3)-H bonds (e.g. α-oxy, α-thioxy, α-amino, benzylic, and unactivated tertiary C(sp3)-H bonds). It has been successfully applied to the high incorporation of deuterium in 38 feedstock chemicals, 15 pharmaceutical compounds, and 6 drug precursors. Sequential deuteration between formyl C-H bonds of aldehydes and other activated hydridic C(sp3)-H bonds can be achieved in a selective manner.
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Affiliation(s)
- Yulong Kuang
- Department of Chemistry, National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Hui Cao
- Department of Chemistry, National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Haidi Tang
- Department of Chemistry, National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Junhong Chew
- Department of Chemistry, National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Wei Chen
- Department of Chemistry, National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Xiangcheng Shi
- Department of Chemistry, National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Jie Wu
- Department of Chemistry, National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
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73
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Su A, Chen M, Fu Z, Yang B, She J, Wan F, Zhang C, Liu Y. Hybridizing Engineering Strategy of Decatungstate. 2. Regulated Effect of Doping Transition Metal Ions on Photocatalytic Oxidation Performance of ( nBu 4N) 4W 10O 32. Inorg Chem 2020; 59:7520-7530. [PMID: 32432862 DOI: 10.1021/acs.inorgchem.0c00390] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This paper discloses a simple and productive hybridizing engineering (HE) strategy for the 3d transition-metal-ion (Mn+ = Fe3+, Fe2+, Co2+, Ni2+)-doped (nBu4N)4W10O32 (Mn+-TBADT) compounds as highly efficient visible-light catalysts. Ultraviolet visible (UV-vis), Fourier transform infrared (FT-IR) and photoluminescence (PL) spectra, and cyclic voltammetry (CV) characterizations indicate that the synthetic quality, redox capacity, and visible light harvesting efficiency of TBADT, especially the separation efficiency of its photogenerated electron-hole pairs, are regulated by the metal ion dopants and gradually improved with a change of the dopant from Fe3+, Fe2+, and Co2+ to Ni2+, along with a continuous and significant enhancement of its photocatalytic efficiency in the visible-light-triggered selective oxidation of ethylbenzene with dioxygens in acetonitrile. The best 0.5 mol % Ni2+-doped TBADT can achieve a ca. 55% conversion under optimal reaction conditions and also exhibits much higher photocatalytic activity for the photo-oxidation of toluene, cyclohexane, and benzyl alcohol compared to pure TBADT. This HE strategy showcases great potential in improving the photocatalysis performance of TBADT.
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Affiliation(s)
- Anqun Su
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.,Hunan University of Medicine, Huaihua 418000, China
| | - Mengke Chen
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Zaihui Fu
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Bo Yang
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Jialuo She
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Feifei Wan
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Chao Zhang
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Yachun Liu
- National and Local United Engineering Laboratory for New Petrochemical Materials and Fine Utilization of Resources, Key Laboratory of Resource Fine-Processing and Advanced Materials of Hunan Province and Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
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74
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Fan P, Zhang C, Zhang L, Wang C. Acylation of Aryl Halides and α-Bromo Acetates with Aldehydes Enabled by Nickel/TBADT Cocatalysis. Org Lett 2020; 22:3875-3878. [DOI: 10.1021/acs.orglett.0c01121] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pei Fan
- Hefei National Laboratory for Physical Science at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Chang Zhang
- Hefei National Laboratory for Physical Science at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Linchuan Zhang
- Hefei National Laboratory for Physical Science at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Chuan Wang
- Hefei National Laboratory for Physical Science at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
- Center for Excellence in Molecular Synthesis of CAS, Hefei, Anhui 230026, P. R. China
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75
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Cao H, Kuang Y, Shi X, Wong KL, Tan BB, Kwan JMC, Liu X, Wu J. Photoinduced site-selective alkenylation of alkanes and aldehydes with aryl alkenes. Nat Commun 2020; 11:1956. [PMID: 32327665 PMCID: PMC7181776 DOI: 10.1038/s41467-020-15878-6] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/25/2020] [Indexed: 11/09/2022] Open
Abstract
The dehydrogenative alkenylation of C-H bonds with alkenes represents an atom- and step-economical approach for olefin synthesis and molecular editing. Site-selective alkenylation of alkanes and aldehydes with the C-H substrate as the limiting reagent holds significant synthetic value. We herein report a photocatalytic method for the direct alkenylation of alkanes and aldehydes with aryl alkenes in the absence of any external oxidant. A diverse range of commodity feedstocks and pharmaceutical compounds are smoothly alkenylated in useful yields with the C-H partner as the limiting reagent. The late-stage alkenylation of complex molecules occurs with high levels of site selectivity for sterically accessible and electron-rich C-H bonds. This strategy relies on the synergistic combination of direct hydrogen atom transfer photocatalysis with cobaloxime-mediated hydrogen-evolution cross-coupling, which promises to inspire additional perspectives for selective C-H functionalizations in a green manner.
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Affiliation(s)
- Hui Cao
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore.,National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, P. R. China
| | - Yulong Kuang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore
| | - Xiangcheng Shi
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore
| | - Koi Lin Wong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore
| | - Boon Beng Tan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore
| | - Jeric Mun Chung Kwan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore
| | - Xiaogang Liu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore.,National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, P. R. China
| | - Jie Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Republic of Singapore. .,National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, P. R. China.
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76
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Dai ZY, Nong ZS, Wang PS. Light-Mediated Asymmetric Aliphatic C–H Alkylation with Hydrogen Atom Transfer Catalyst and Chiral Phosphoric Acid. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00610] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Zhen-Yao Dai
- Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Zhong-Sheng Nong
- Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Pu-Sheng Wang
- Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
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77
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Capaldo L, Ravelli D. The Dark Side of Photocatalysis: One Thousand Ways to Close the Cycle. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000144] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Luca Capaldo
- PhotoGreen Lab; Department of Chemistry; University of Pavia; viale Taramelli 12 27100 Pavia Italy
| | - Davide Ravelli
- PhotoGreen Lab; Department of Chemistry; University of Pavia; viale Taramelli 12 27100 Pavia Italy
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78
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Sarver PJ, Bacauanu V, Schultz DM, DiRocco DA, Lam YH, Sherer EC, MacMillan DWC. The merger of decatungstate and copper catalysis to enable aliphatic C(sp3)–H trifluoromethylation. Nat Chem 2020; 12:459-467. [DOI: 10.1038/s41557-020-0436-1] [Citation(s) in RCA: 147] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 02/03/2020] [Indexed: 12/24/2022]
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79
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Govaerts S, Nyuchev A, Noel T. Pushing the boundaries of C–H bond functionalization chemistry using flow technology. J Flow Chem 2020. [DOI: 10.1007/s41981-020-00077-7] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
AbstractC–H functionalization chemistry is one of the most vibrant research areas within synthetic organic chemistry. While most researchers focus on the development of small-scale batch-type transformations, more recently such transformations have been carried out in flow reactors to explore new chemical space, to boost reactivity or to enable scalability of this important reaction class. Herein, an up-to-date overview of C–H bond functionalization reactions carried out in continuous-flow microreactors is presented. A comprehensive overview of reactions which establish the formal conversion of a C–H bond into carbon–carbon or carbon–heteroatom bonds is provided; this includes metal-assisted C–H bond cleavages, hydrogen atom transfer reactions and C–H bond functionalizations which involve an SE-type process to aromatic or olefinic systems. Particular focus is devoted to showcase the advantages of flow processing to enhance C–H bond functionalization chemistry. Consequently, it is our hope that this review will serve as a guide to inspire researchers to push the boundaries of C–H functionalization chemistry using flow technology.
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80
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Fan P, Lan Y, Zhang C, Wang C. Nickel/Photo-Cocatalyzed Asymmetric Acyl-Carbamoylation of Alkenes. J Am Chem Soc 2020; 142:2180-2186. [DOI: 10.1021/jacs.9b12554] [Citation(s) in RCA: 108] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Pei Fan
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yun Lan
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Chang Zhang
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Chuan Wang
- Hefei National Laboratory for Physical Science at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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81
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Yahata K, Sakurai S, Hori S, Yoshioka S, Kaneko Y, Hasegawa K, Akai S. Coupling Reaction between Aldehydes and Non-Activated Hydrocarbons via the Reductive Radical-Polar Crossover Pathway. Org Lett 2020; 22:1199-1203. [DOI: 10.1021/acs.orglett.0c00096] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Kenzo Yahata
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shu Sakurai
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shuhei Hori
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shin Yoshioka
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yuki Kaneko
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kai Hasegawa
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shuji Akai
- Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
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82
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Yang X, Yu J, Zhang Y, Peng Y, Li Z, Feng C, Sun Z, Yu XF, Cheng J, Wang Y. Visible-near-infrared-responsive g-C 3N 4H x+ reduced decatungstate with excellent performance for photocatalytic removal of petroleum hydrocarbon. JOURNAL OF HAZARDOUS MATERIALS 2020; 381:120994. [PMID: 31425912 DOI: 10.1016/j.jhazmat.2019.120994] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 08/07/2019] [Accepted: 08/10/2019] [Indexed: 06/10/2023]
Abstract
The development of photocatalysts making full use of natural light sources is highly desired for the remediation of marine oil spill pollution, which is full of challenges. Herein, we demonstrate a well-defined visible-near-infrared-responsive g-C3N4Hx+ reduced decatungstate charge-transfer salt (RCD-CTS), which possess efficient light-absorption ability ranging from visible light to the near infrared region. The RCD-CTS photocatalyst exhibits excellent performance for photocatalytic removal of petroleum hydrocarbon. The structural characterization and theoretical calculation confirmed strong chemical interaction between components and partly reduction of decatungstate results in the plasmonic properties and the absorption of near infrared light. As a results, it is proposed that"hot electrons"transfer process generated by plasmon effect promotes the efficient separation of charge-carriers. Ultimately, this work sheds light on the discovery and application of visible-near-infrared-responsive optical materials that may be exploited further in artificial photosynthesis, solar energy conversion, and phototherapy.
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Affiliation(s)
- Xiaolong Yang
- School of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ning-Xia Road, Qingdao, 266071, PR China.
| | - Jianqiang Yu
- School of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ning-Xia Road, Qingdao, 266071, PR China
| | - Yan Zhang
- School of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ning-Xia Road, Qingdao, 266071, PR China
| | - Yanhua Peng
- School of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ning-Xia Road, Qingdao, 266071, PR China
| | - Zhuo Li
- School of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ning-Xia Road, Qingdao, 266071, PR China
| | - Chenjie Feng
- School of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ning-Xia Road, Qingdao, 266071, PR China
| | - Zhaoli Sun
- School of Chemistry and Chemical Engineering, Qingdao University, No. 308 Ning-Xia Road, Qingdao, 266071, PR China
| | - Xue-Fang Yu
- The Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Yantai University, No. 32 Qingquan Road, Yantai, 264005, PR China.
| | - Jianbo Cheng
- The Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Yantai University, No. 32 Qingquan Road, Yantai, 264005, PR China
| | - Yan Wang
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, No. 18 Tianshui Middle Road, Lanzhou, 730000, PR China
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83
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Sharma N, Lee Y, Nam W, Fukuzumi S. Photoinduced Generation of Superoxidants for the Oxidation of Substrates with High C−H Bond Dissociation Energies. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900219] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Namita Sharma
- Department of Chemistry and Nano ScienceEwha Womans University Seoul 03760 Korea
| | - Yong‐Min Lee
- Department of Chemistry and Nano ScienceEwha Womans University Seoul 03760 Korea
| | - Wonwoo Nam
- Department of Chemistry and Nano ScienceEwha Womans University Seoul 03760 Korea
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano ScienceEwha Womans University Seoul 03760 Korea
- Graduate School of Science and EngineeringMeijo University, Nagoya Aichi 468-8502 Japan
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84
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Dong J, Wang X, Wang Z, Song H, Liu Y, Wang Q. Formyl-selective deuteration of aldehydes with D 2O via synergistic organic and photoredox catalysis. Chem Sci 2019; 11:1026-1031. [PMID: 34084358 PMCID: PMC8145436 DOI: 10.1039/c9sc05132e] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Formyl-selective deuteration of aldehydes is of high interest for labeling purposes and for optimizing properties of drug candidates. Herein, we report a mild general method for formyl-selective deuterium labeling of aldehydes with D2O, an inexpensive deuterium source, via a synergistic combination of light-driven, polyoxometalate-facilitated hydrogen atom transfer and thiol catalysis. This highly efficient, scalable reaction showed excellent deuterium incorporation, a broad substrate scope, and excellent functional group tolerance and selectivity and is therefore a practical method for late-stage modification of synthetic intermediates in medicinal chemistry and for generating libraries of deuterated compounds. Formyl-selective deuteration of aldehydes with D2O mediated by the synergistic combination of light-driven, polyoxometalate-facilitated HAT and thiol catalysis is reported.![]()
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Affiliation(s)
- Jianyang Dong
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 People's Republic of China
| | - Xiaochen Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 People's Republic of China
| | - Zhen Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 People's Republic of China
| | - Hongjian Song
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 People's Republic of China
| | - Yuxiu Liu
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 People's Republic of China
| | - Qingmin Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University Tianjin 300071 People's Republic of China
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85
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Yuan Z, Yang H, Malik N, Čolović M, Weber DS, Wilson D, Bénard F, Martin RE, Warren JJ, Schaffer P, Britton R. Electrostatic Effects Accelerate Decatungstate-Catalyzed C–H Fluorination Using [18F]- and [19F]NFSI in Small Molecules and Peptide Mimics. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02220] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Zheliang Yuan
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S2, Canada
- Life Sciences Division, TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - Hua Yang
- Life Sciences Division, TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - Noeen Malik
- Life Sciences Division, TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - Milena Čolović
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, British Columbia V5Z 1L3, Canada
| | - David S. Weber
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S2, Canada
| | - Darryl Wilson
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S2, Canada
| | - François Bénard
- Department of Molecular Oncology, BC Cancer Agency, Vancouver, British Columbia V5Z 1L3, Canada
| | - Rainer E. Martin
- Medicinal Chemistry, Roche Pharma Research and Early Development (pRED), Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Grenzacherstrasse 124, CH-4070 Basel, Switzerland
| | - Jeffrey J. Warren
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S2, Canada
| | - Paul Schaffer
- Life Sciences Division, TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
| | - Robert Britton
- Department of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S2, Canada
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86
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Fan X, Xiao P, Jiao Z, Yang T, Dai X, Xu W, Tan JD, Cui G, Su H, Fang W, Wu J. Neutral-Eosin-Y-Photocatalyzed Silane Chlorination Using Dichloromethane. Angew Chem Int Ed Engl 2019; 58:12580-12584. [PMID: 31310447 DOI: 10.1002/anie.201908556] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Indexed: 01/04/2023]
Abstract
Chlorosilanes are versatile reagents in organic synthesis and material science. A mild pathway is now reported for the quantitative conversion of hydrosilanes to silyl chlorides under visible-light irradiation using neutral eosin Y as a hydrogen-atom-transfer photocatalyst and dichloromethane as a chlorinating agent. Stepwise chlorination of di- and trihydrosilanes was achieved in a highly selective fashion assisted by continuous-flow micro-tubing reactors. The ability to access silyl radicals using photocatalytic Si-H activation promoted by eosin Y offers new perspectives for the synthesis of valuable silicon reagents in a convenient and green manner.
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Affiliation(s)
- Xuanzi Fan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore
| | - Pin Xiao
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Zeqing Jiao
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Tingting Yang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore.,College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China
| | - Xiaojuan Dai
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Wengang Xu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore
| | - Jin Da Tan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore
| | - Ganglong Cui
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Hongmei Su
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Weihai Fang
- College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Jie Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Republic of Singapore
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87
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Fan X, Xiao P, Jiao Z, Yang T, Dai X, Xu W, Tan JD, Cui G, Su H, Fang W, Wu J. Neutral‐Eosin‐Y‐Photocatalyzed Silane Chlorination Using Dichloromethane. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908556] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xuanzi Fan
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Pin Xiao
- College of ChemistryBeijing Normal University Beijing 100875 China
| | - Zeqing Jiao
- College of ChemistryBeijing Normal University Beijing 100875 China
| | - Tingting Yang
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Republic of Singapore
- College of Chemistry and Materials ScienceAnhui Normal University Wuhu 241002 China
| | - Xiaojuan Dai
- College of ChemistryBeijing Normal University Beijing 100875 China
| | - Wengang Xu
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Jin Da Tan
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Ganglong Cui
- College of ChemistryBeijing Normal University Beijing 100875 China
| | - Hongmei Su
- College of ChemistryBeijing Normal University Beijing 100875 China
| | - Weihai Fang
- College of ChemistryBeijing Normal University Beijing 100875 China
| | - Jie Wu
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Republic of Singapore
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88
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A tan for molecules: photocatalyzed synthesis with direct sunlight. RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI 2019. [DOI: 10.1007/s12210-019-00826-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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89
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Basile T, Capaldo L, Ravelli D, Quadrelli P. Photocatalyzed Generation of Nitrosocarbonyl Intermediates Under Solar Light Irradiation. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900596] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Teresa Basile
- Department of Chemistry; University of Pavia; Viale Taramelli 12 27100 - Pavia Italy
| | - Luca Capaldo
- Department of Chemistry; University of Pavia; Viale Taramelli 12 27100 - Pavia Italy
| | - Davide Ravelli
- Department of Chemistry; University of Pavia; Viale Taramelli 12 27100 - Pavia Italy
| | - Paolo Quadrelli
- Department of Chemistry; University of Pavia; Viale Taramelli 12 27100 - Pavia Italy
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90
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91
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Ansari MA, Yadav D, Soni S, Srivastava A, Singh MS. Visible-Light-Mediated Synthesis of 1,2,4-Dithiazolidines from β-Ketothioamides through a Hydrogen-Atom-Transfer Photocatalytic Approach of Eosin Y. J Org Chem 2019; 84:5404-5412. [DOI: 10.1021/acs.joc.9b00406] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Monish A. Ansari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Dhananjay Yadav
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Sonam Soni
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Abhijeet Srivastava
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Maya Shankar Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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92
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Capaldo L, Merli D, Fagnoni M, Ravelli D. Visible Light Uranyl Photocatalysis: Direct C–H to C–C Bond Conversion. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00287] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Luca Capaldo
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Daniele Merli
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Maurizio Fagnoni
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Davide Ravelli
- Photogreen Lab, Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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93
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Chen Z, Rong MY, Nie J, Zhu XF, Shi BF, Ma JA. Catalytic alkylation of unactivated C(sp3)–H bonds for C(sp3)–C(sp3) bond formation. Chem Soc Rev 2019; 48:4921-4942. [DOI: 10.1039/c9cs00086k] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review summarizes recent advancements in catalytic direct transformation of unactivated C(sp3)–H bonds into C(sp3)–C(sp3) bonds.
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Affiliation(s)
- Zhen Chen
- Department of Chemistry
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Tianjin University, and Collaborative Innovation Centre of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
- P. R. China
| | - Meng-Yu Rong
- Department of Chemistry
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Tianjin University, and Collaborative Innovation Centre of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
- P. R. China
| | - Jing Nie
- Department of Chemistry
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Tianjin University, and Collaborative Innovation Centre of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
- P. R. China
| | - Xue-Feng Zhu
- Genomics Institute of the Novartis Research Foundation
- San Diego
- USA
| | - Bing-Feng Shi
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- P. R. China
| | - Jun-An Ma
- Department of Chemistry
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences
- Tianjin University, and Collaborative Innovation Centre of Chemical Science and Engineering (Tianjin)
- Tianjin 300072
- P. R. China
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94
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Kozytskiy AV, Panasyuk YV, Mishura AM. Photocatalytic Monofluorination of Unactivated C(sp3)–H Bonds by N-Fluorobenzenesulfimide Involving the Decatungstate Anion and the Effect of Water Additives on These Reactions. THEOR EXP CHEM+ 2018. [DOI: 10.1007/s11237-018-9577-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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95
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Chen Q, Shen C, He L. Recent advances of polyoxometalate-catalyzed selective oxidation based on structural classification. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2018; 74:1182-1201. [PMID: 30398171 DOI: 10.1107/s2053229618010902] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 07/30/2018] [Indexed: 12/31/2022]
Abstract
The structural diversity and tenability observed in POMs has encouraged extensive investigations into their catalytic activity. Based on the structural classification of POMs, this review summarizes recent advances relating to POM-catalyzed selective oxidation and places most emphasis on dynamic developments from 2015 onwards. Work which contributes to comparing the catalytic performance of POMs with delicate structural differences (e.g. the same type of POM structure with differences of the heteroatom, addenda, protonated state or counter-ion) and in elucidating the origin/distinction of catalytic activity, as well as reasonable mechanisms, are especially highlighted.
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Affiliation(s)
- Qiongyao Chen
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China
| | - Chaoren Shen
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China
| | - Lin He
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China
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96
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Suzuki K, Mizuno N, Yamaguchi K. Polyoxometalate Photocatalysis for Liquid-Phase Selective Organic Functional Group Transformations. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03498] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- Precursory Research
for Embryonic Science and Technology (PRESTO), Japan Science and Technology
Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Noritaka Mizuno
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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97
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Abstract
Despite the widespread success of transition-metal-catalysed cross-coupling methodologies, considerable limitations still exist in reactions at sp3-hybridized carbon atoms, with most approaches relying on prefunctionalized alkylmetal or bromide coupling partners1,2. Although the use of native functional groups (for example, carboxylic acids, alkenes and alcohols) has improved the overall efficiency of such transformations by expanding the range of potential feedstocks3-5, the direct functionalization of carbon-hydrogen (C-H) bonds-the most abundant moiety in organic molecules-represents a more ideal approach to molecular construction. In recent years, an impressive range of reactions that form C(sp3)-heteroatom bonds from strong C-H bonds has been reported6,7. Additionally, valuable technologies have been developed for the formation of carbon-carbon bonds from the corresponding C(sp3)-H bonds via substrate-directed transition-metal C-H insertion8, undirected C-H insertion by captodative rhodium carbenoid complexes9, or hydrogen atom transfer from weak, hydridic C-H bonds by electrophilic open-shell species10-14. Despite these advances, a mild and general platform for the coupling of strong, neutral C(sp3)-H bonds with aryl electrophiles has not been realized. Here we describe a protocol for the direct C(sp3) arylation of a diverse set of aliphatic, C-H bond-containing organic frameworks through the combination of light-driven, polyoxometalate-facilitated hydrogen atom transfer and nickel catalysis. This dual-catalytic manifold enables the generation of carbon-centred radicals from strong, neutral C-H bonds, which thereafter act as nucleophiles in nickel-mediated cross-coupling with aryl bromides to afford C(sp3)-C(sp2) cross-coupled products. This technology enables unprecedented, single-step access to a broad array of complex, medicinally relevant molecules directly from natural products and chemical feedstocks through functionalization at sites that are unreactive under traditional methods.
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98
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Fan X, Rong J, Wu H, Zhou Q, Deng H, Tan JD, Xue C, Wu L, Tao H, Wu J. Eosin Y as a Direct Hydrogen‐Atom Transfer Photocatalyst for the Functionalization of C−H Bonds. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803220] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xuan‐Zi Fan
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Jia‐Wei Rong
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Hao‐Lin Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 China
| | - Quan Zhou
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Hong‐Ping Deng
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Jin Da Tan
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Cheng‐Wen Xue
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 China
| | - Hai‐Rong Tao
- College of Chemistry Beijing Normal University Beijing 100875 China
| | - Jie Wu
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
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99
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Fan X, Rong J, Wu H, Zhou Q, Deng H, Tan JD, Xue C, Wu L, Tao H, Wu J. Eosin Y as a Direct Hydrogen‐Atom Transfer Photocatalyst for the Functionalization of C−H Bonds. Angew Chem Int Ed Engl 2018; 57:8514-8518. [DOI: 10.1002/anie.201803220] [Citation(s) in RCA: 216] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 04/13/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Xuan‐Zi Fan
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Jia‐Wei Rong
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Hao‐Lin Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 China
| | - Quan Zhou
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Hong‐Ping Deng
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Jin Da Tan
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Cheng‐Wen Xue
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
| | - Li‐Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and Chemistry The Chinese Academy of Sciences Beijing 100190 China
| | - Hai‐Rong Tao
- College of Chemistry Beijing Normal University Beijing 100875 China
| | - Jie Wu
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Republic of Singapore
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100
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Ravelli D, Fagnoni M, Fukuyama T, Nishikawa T, Ryu I. Site-Selective C–H Functionalization by Decatungstate Anion Photocatalysis: Synergistic Control by Polar and Steric Effects Expands the Reaction Scope. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03354] [Citation(s) in RCA: 226] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Davide Ravelli
- PhotoGreen
Lab, Department of Chemistry, University of Pavia, Viale Taramelli
12, 27100 Pavia, Italy
| | - Maurizio Fagnoni
- PhotoGreen
Lab, Department of Chemistry, University of Pavia, Viale Taramelli
12, 27100 Pavia, Italy
| | - Takahide Fukuyama
- Department
of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Tomohiro Nishikawa
- Department
of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Ilhyong Ryu
- Department
of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
- Department
of Applied Chemistry, National Chiao Tung University, Hsinchu 300, Taiwan
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