1
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Zhen G, Zeng G, Jiang K, Wang F, Cao X, Yin B. Visible-Light-Induced Diradical-Mediated ipso-Cyclization towards Double Dearomative [2+2]-Cycloaddition or Smiles-Type Rearrangement. Chemistry 2023; 29:e202203217. [PMID: 36460618 DOI: 10.1002/chem.202203217] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/05/2022]
Abstract
When mono-radical ipso-cyclization of aryl sulfonamides tend to undergo Smiles-type rearrangement through aromatization-driven C-S bond cleavage, diradical-mediated cyclization must perform in a distinct reaction pathway. It is interesting meanwhile challenging to tune the rate of C-S bond cleavage to achieve a chemically divergent reaction of (hetero) aryl sulfonamides in a visible-light induced energy transfer (EnT) reaction pathway involving diradical species. Herein a chemically divergent reaction based on the designed indole-tethered (hetero)arylsulfonamides is reported which involves a diradical-mediated ipso-cyclization and a controllable cleavage of an inherent C-S bond. The combined experimental and computational results have revealed that the cleavage of the C-S bond in these substrates can be controlled by tuning the heteroaryl moieties: a) If the (hetero)aryl is thienyl, furyl, phenanthryl, etc., the radical coupling of double dearomative diradicals (DDDR) precedes over C-S bond cleavage to afford cyclobutene fused indolines by double dearomative [2+2]-cycloaddition; b) if the (hetero)aryl is phenyl, naphthyl, pyridyl, indolyl etc., the cleavage of C-S bond in DDDR is favored over radical coupling to afford biaryl products.
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Affiliation(s)
- Guangjin Zhen
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology (SCUT), State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Guohui Zeng
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology (SCUT), State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Kai Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology (SCUT), State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Furong Wang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology (SCUT), State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Xiaohui Cao
- School of Pharmacy, Guangdong Pharmaceutical University, Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Biaolin Yin
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology (SCUT), State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
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2
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Yan M, Zhou Q, Lu P. Collective Synthesis of Chiral Tetrasubstituted Cyclobutanes Enabled by Enantioconvergent Negishi Cross-Coupling of Cyclobutenones. Angew Chem Int Ed Engl 2023; 62:e202218008. [PMID: 36539352 DOI: 10.1002/anie.202218008] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/20/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
Cyclobutenones provide a straightforward four-carbon ring platform for further structural elaborations in that every carbon atom of the ring could be potentially functionalized. We report here a nickel catalyzed enantioconvergent Negishi coupling of 4-iodocyclobutenones with an array of aryl or alkenyl zinc reagents to access enantioenriched 4-substituted cyclobutenones, from which a modular approach to the synthesis of 1,2,3,4-tetrasubstituted cyclobutanes was demonstrated.
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Affiliation(s)
- Min Yan
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, 200433, Shanghai, P. R. China
| | - Qiang Zhou
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, 200433, Shanghai, P. R. China
| | - Ping Lu
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, 200433, Shanghai, P. R. China
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3
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Proessdorf J, Jandl C, Pickl T, Bach T. Arene Activation through Iminium Ions: Product Diversity from Intramolecular Photocycloaddition Reactions. Angew Chem Int Ed Engl 2022; 61:e202208329. [PMID: 35920713 PMCID: PMC9826208 DOI: 10.1002/anie.202208329] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Indexed: 01/11/2023]
Abstract
While 2-alk-ω-enyloxy-sustituted benzaldehydes do not display any photochemical reactivity at the arene core, the respective iminium perchlorates were found to undergo efficient reactions either upon direct irradiation (λ=366 nm) or under sensitizing conditions (λ=420 nm, 2.5 mol% thioxanthen-9-one). Three pathways were found: (a) Most commonly, the reaction led to benzoxacyclic products in which the olefin in the tether underwent a formal, yet unprecedented carboformylation (13 examples, 44-99 % yield). The cascade process occurred with high diastereoselectivity and was found to be stereoconvergent. (b) If a substituent resides in the 3-position of the benzene ring, a meta photocycloaddition was observed which produced tetracyclic skeletons with five stereogenic centers in excellent regio- and diastereoselectivity (2 examples, 58-79 % yield). (c) If the tether was internally substituted at the alkene, an arene photocycloaddition was avoided and an azetidine was formed in an aza Paternò-Büchi reaction (2 examples, 95-98 % yield).
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Affiliation(s)
- Johanna Proessdorf
- Department Chemie and Catalysis Research Center (CRC)School of Natural SciencesTechnische Universität MünchenLichtenbergstraße 485747GarchingGermany
| | - Christian Jandl
- Department Chemie and Catalysis Research Center (CRC)School of Natural SciencesTechnische Universität MünchenLichtenbergstraße 485747GarchingGermany
| | - Thomas Pickl
- Department Chemie and Catalysis Research Center (CRC)School of Natural SciencesTechnische Universität MünchenLichtenbergstraße 485747GarchingGermany
| | - Thorsten Bach
- Department Chemie and Catalysis Research Center (CRC)School of Natural SciencesTechnische Universität MünchenLichtenbergstraße 485747GarchingGermany
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4
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Proessdorf J, Jandl C, Pickl T, Bach T. Arene Activation through Iminium Ions: Product Diversity from Intramolecular Photocycloaddition Reactions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Johanna Proessdorf
- Technische Universität München: Technische Universitat Munchen Department Chemie GERMANY
| | - Christian Jandl
- Technische Universität München: Technische Universitat Munchen Department Chemie GERMANY
| | - Thomas Pickl
- Technische Universität München: Technische Universitat Munchen Department Chemie GERMANY
| | - Thorsten Bach
- Technische Universität München Lehrstuhl für Organische Chemie I Lichtenbergstr. 4 85747 Garching GERMANY
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5
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Zhou G, Shen X. Synthesis of Cyclopropenols Enabled by Visible-Light-Induced Organocatalyzed [2+1] Cyclization. Angew Chem Int Ed Engl 2022; 61:e202115334. [PMID: 34994996 DOI: 10.1002/anie.202115334] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Indexed: 12/28/2022]
Abstract
Although the synthesis of common cyclopropenes has been well studied, the access to cyclopropenols is rather limited. Herein, we report the first synthesis of α-trifluoromethylated cyclopropenols via 2+1 cycloaddition reactions between alkynes and trifluoroacylsilanes, enabled by visible-light-induced organocatalysis. The novel ambiphilic donor-acceptor carbenes derived from trifluoroacetylsilanes reacted efficiently with both activated and non-activated alkynes. The reaction features simple operation, mild conditions, broad substrate scope and good functional group tolerance. The synthetic potential of the reaction is highlighted by the gram-scale reactions and first synthesis of α-trifluoromethylated cyclopropanols through the combination of the 2+1 cyclization and high diastereoselective hydrogenation reaction in one pot.
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Affiliation(s)
- Gang Zhou
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, 299 Bayi Road, Wuhan, Hubei, 430072, China
| | - Xiao Shen
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, 299 Bayi Road, Wuhan, Hubei, 430072, China
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6
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Zhou G, Shen X. Synthesis of Cyclopropenols Enabled by Visible‐Light‐Induced Organocatalyzed [2+1] Cyclization. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115334] [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)
- Gang Zhou
- Wuhan University Institute for Advanced Studies CHINA
| | - Xiao Shen
- Wuhan University Institute for Advanced Studies 299 Bayi Road 430072 Wuhan CHINA
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7
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Mu X, Li Y, Zheng N, Long J, Chen S, Liu B, Zhao C, Yang Z. Stereoselective Synthesis of Cyclohepta[
b
]indoles by Visible‐Light‐Induced [2+2]‐Cycloaddition/retro‐Mannich‐type Reactions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xin‐Peng Mu
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School Shenzhen 518055 P. R. China
| | - Yuan‐He Li
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS) Peking-Tsinghua Center for Life Sciences Peking University Beijing 100871 P. R. China
| | - Nan Zheng
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School Shenzhen 518055 P. R. China
| | - Jian‐Yu Long
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School Shenzhen 518055 P. R. China
| | - Si‐Jia Chen
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School Shenzhen 518055 P. R. China
| | - Bing‐Yan Liu
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School Shenzhen 518055 P. R. China
| | - Chun‐Bo Zhao
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School Shenzhen 518055 P. R. China
| | - Zhen Yang
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics School of Chemical Biology and Biotechnology Peking University Shenzhen Graduate School Shenzhen 518055 P. R. China
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS) Peking-Tsinghua Center for Life Sciences Peking University Beijing 100871 P. R. China
- Shenzhen Bay Laboratory Shenzhen 518055 P. R. China
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8
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Mu XP, Li YH, Zheng N, Long JY, Chen SJ, Liu BY, Zhao CB, Yang Z. Stereoselective Synthesis of Cyclohepta[b]indoles by Visible-Light-Induced [2+2]-Cycloaddition/retro-Mannich-type Reactions. Angew Chem Int Ed Engl 2021; 60:11211-11216. [PMID: 33683807 DOI: 10.1002/anie.202101104] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 02/27/2021] [Indexed: 12/12/2022]
Abstract
A novel method for the concise synthesis of cyclohepta[b]indoles in high yields was developed. The method involves a visible-light-induced, photocatalyzed [2+2]-cycloaddition/ retro-Mannich-type reaction of enaminones. Experimental and computational studies suggested that the reaction is a photoredox process initiated by single-electron oxidation of an enaminone moiety, which undergoes subsequent cyclobutane formation and rapidly fragmentation in a radical-cation state to form cyclohepta[b]indoles.
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Affiliation(s)
- Xin-Peng Mu
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Yuan-He Li
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS), Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, P. R. China
| | - Nan Zheng
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Jian-Yu Long
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Si-Jia Chen
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Bing-Yan Liu
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Chun-Bo Zhao
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China
| | - Zhen Yang
- State Key Laboratory of Chemical Oncogenomics and Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, P. R. China.,Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS), Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, P. R. China.,Shenzhen Bay Laboratory, Shenzhen, 518055, P. R. China
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9
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Zheng L, Cai L, Tao K, Xie Z, Lai Y, Guo W. Progress in Photoinduced Radical Reactions using Electron Donor‐Acceptor Complexes. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100009] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lvyin Zheng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Liuhuan Cai
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Kailiang Tao
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Zhen Xie
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Yin‐Long Lai
- College of Chemistry and Civil Engineering Shaoguan University Shaoguan 512005 P. R. China
| | - Wei Guo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
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10
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Popescu MV, Mekereeya A, Alegre‐Requena JV, Paton RS, Smith MD. Visible-Light-Mediated Heterocycle Functionalization via Geometrically Interrupted [2+2] Cycloaddition. Angew Chem Int Ed Engl 2020; 59:23020-23024. [PMID: 32856748 PMCID: PMC7891567 DOI: 10.1002/anie.202009704] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/18/2020] [Indexed: 01/02/2023]
Abstract
The [2+2] photocycloaddition is the most valuable and intensively investigated photochemical process. Here we demonstrate that irradiation of N-acryloyl heterocycles with blue LED light (440 nm) in the presence of an IrIII complex leads to efficient and high yielding fused γ-lactam formation across a range of substituted heterocycles. Quantum calculations show that the reaction proceeds via cyclization in the triplet excited state to yield a 1,4-diradical; intersystem crossing leads preferentially to the closed shell singlet zwitterion. This is geometrically restricted from undergoing recombination to yield a cyclobutane by the planarity of the amide substituent. A prototropic shift leads to the observed bicyclic products in what can be viewed as an interrupted [2+2] cycloaddition.
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Affiliation(s)
- Mihai V. Popescu
- Chemistry Research LaboratoryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - Aroonroj Mekereeya
- Chemistry Research LaboratoryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - Juan V. Alegre‐Requena
- Department of ChemistryColorado State University1301 Center AveFt. CollinsCO80523-1872USA
| | - Robert S. Paton
- Chemistry Research LaboratoryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
- Department of ChemistryColorado State University1301 Center AveFt. CollinsCO80523-1872USA
| | - Martin D. Smith
- Chemistry Research LaboratoryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
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11
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Visible‐Light‐Mediated Heterocycle Functionalization via Geometrically Interrupted [2+2] Cycloaddition. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009704] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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12
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Hörmann FM, Kerzig C, Chung TS, Bauer A, Wenger OS, Bach T. Triplet Energy Transfer from Ruthenium Complexes to Chiral Eniminium Ions: Enantioselective Synthesis of Cyclobutanecarbaldehydes by [2+2] Photocycloaddition. Angew Chem Int Ed Engl 2020; 59:9659-9668. [PMID: 32166853 PMCID: PMC7318320 DOI: 10.1002/anie.202001634] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/12/2020] [Indexed: 12/30/2022]
Abstract
Chiral eniminium salts, prepared from α,β-unsaturated aldehydes and a chiral proline derived secondary amine, underwent, upon irradiation with visible light, a ruthenium-catalyzed (2.5 mol %) intermolecular [2+2] photocycloaddition to olefins, which after hydrolysis led to chiral cyclobutanecarbaldehydes (17 examples, 49-74 % yield), with high diastereo- and enantioselectivities. Ru(bpz)3 (PF6 )2 was utilized as the ruthenium catalyst and laser flash photolysis studies show that the catalyst operates exclusively by triplet-energy transfer (sensitization). A catalytic system was devised with a chiral secondary amine co-catalyst. In the catalytic reactions, Ru(bpy)3 (PF6 )2 was employed, and laser flash photolysis experiments suggest it undergoes both electron and energy transfer. However, experimental evidence supports the hypothesis that energy transfer is the only productive quenching mechanism. Control experiments using Ir(ppy)3 showed no catalysis for the intermolecular [2+2] photocycloaddition of an eniminium ion.
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Affiliation(s)
- Fabian M. Hörmann
- Department Chemie and Catalysis Research Center (CRC)Technische Universität MünchenLichtenbergstraße 485747GarchingGermany
| | - Christoph Kerzig
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 194056BaselSwitzerland
| | - Tim S. Chung
- Department Chemie and Catalysis Research Center (CRC)Technische Universität MünchenLichtenbergstraße 485747GarchingGermany
| | - Andreas Bauer
- Department Chemie and Catalysis Research Center (CRC)Technische Universität MünchenLichtenbergstraße 485747GarchingGermany
| | - Oliver S. Wenger
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 194056BaselSwitzerland
| | - Thorsten Bach
- Department Chemie and Catalysis Research Center (CRC)Technische Universität MünchenLichtenbergstraße 485747GarchingGermany
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13
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Hörmann FM, Kerzig C, Chung TS, Bauer A, Wenger OS, Bach T. Triplet Energy Transfer from Ruthenium Complexes to Chiral Eniminium Ions: Enantioselective Synthesis of Cyclobutanecarbaldehydes by [2+2] Photocycloaddition. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001634] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Fabian M. Hörmann
- Department Chemie and Catalysis Research Center (CRC)Technische Universität München Lichtenbergstraße 4 85747 Garching Germany
| | - Christoph Kerzig
- Department of ChemistryUniversity of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Tim S. Chung
- Department Chemie and Catalysis Research Center (CRC)Technische Universität München Lichtenbergstraße 4 85747 Garching Germany
| | - Andreas Bauer
- Department Chemie and Catalysis Research Center (CRC)Technische Universität München Lichtenbergstraße 4 85747 Garching Germany
| | - Oliver S. Wenger
- Department of ChemistryUniversity of Basel St. Johanns-Ring 19 4056 Basel Switzerland
| | - Thorsten Bach
- Department Chemie and Catalysis Research Center (CRC)Technische Universität München Lichtenbergstraße 4 85747 Garching Germany
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14
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Ishida K, Yamazaki H, Hagiwara C, Abe M, Kusama H. Efficient Generation and Synthetic Applications of Alkyl‐Substituted Siloxycarbenes: Suppression of Norrish‐Type Fragmentations of Alkanoylsilanes by Triplet Energy Transfer. Chemistry 2020; 26:1249-1253. [DOI: 10.1002/chem.201904635] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Kento Ishida
- Department of ChemistryFaculty of ScienceGakushuin University 1-5-1 Mejiro, Toshima-ku Tokyo 171-8588 Japan
| | - Hokuto Yamazaki
- Department of ChemistryFaculty of ScienceGakushuin University 1-5-1 Mejiro, Toshima-ku Tokyo 171-8588 Japan
| | - Chihiro Hagiwara
- Department of ChemistryFaculty of ScienceGakushuin University 1-5-1 Mejiro, Toshima-ku Tokyo 171-8588 Japan
| | - Manabu Abe
- Department of ChemistryGraduate School of ScienceHiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima 739-8526 Japan
| | - Hiroyuki Kusama
- Department of ChemistryFaculty of ScienceGakushuin University 1-5-1 Mejiro, Toshima-ku Tokyo 171-8588 Japan
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15
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Schlosser J, Cibulka R, Groß P, Ihmels H, Mohrschladt CJ. Visible‐Light‐Induced Di‐π‐Methane Rearrangement of Dibenzobarrelene Derivatives. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Julika Schlosser
- Department of Chemistry-BiologyUniversity of Siegen Adolf-Reichwein-Str. 2 57068 Siegen Germany
| | - Radek Cibulka
- Department of Organic ChemistryUniversity of Chemistry and Technology, Prague Technická 5 16628 Prague Czech Republic
| | - Philipp Groß
- Department of Chemistry-BiologyUniversity of Siegen Adolf-Reichwein-Str. 2 57068 Siegen Germany
| | - Heiko Ihmels
- Department of Chemistry-BiologyUniversity of Siegen Adolf-Reichwein-Str. 2 57068 Siegen Germany
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16
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Hayne DJ, Mohapatra S, Bawden JC, Adcock JL, Barbante GJ, Doeven EH, Fraser CL, Connell TU, White JM, Henderson LC, Francis PS. Catalyst Luminescence Exploited as an Inherent In Situ Probe of Photoredox Catalysis. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- David J. Hayne
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
| | - Sudip Mohapatra
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
- School of Physical and Chemical Sciences Central University of South Bihar Gaya 824236 India
| | - Joseph C. Bawden
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
| | - Jacqui L. Adcock
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
| | - Gregory J. Barbante
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
- Land Division Defence Science and Technology Group Fishermans Bend, Melbourne Victoria 3207 Australia
| | - Egan H. Doeven
- Centre for Regional and Rural Futures Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
| | - Catherine L. Fraser
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
| | - Timothy U. Connell
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
- School of Science RMIT University Melbourne VIC 3000 Australia
| | - Jonathan M. White
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute The University of Melbourne Victoria 3010 Australia
| | - Luke C. Henderson
- Institute for Frontier Materials Deakin University, Geelong Victoria 3220 Australia
| | - Paul S. Francis
- School of Life and Environmental Sciences Faculty of Science, Engineering and Built Environment Deakin University, Geelong Victoria 3220 Australia
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17
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Fischer J, Mele L, Serier-Brault H, Nun P, Coeffard V. Controlling Photooxygenation with a Bifunctional Quinine-BODIPY Catalyst: towards Asymmetric Hydroxylation of β-Dicarbonyl Compounds. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900984] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jérôme Fischer
- Université de Nantes; CEISAM UMR CNRS 6230; 44000 Nantes France
| | - Lucas Mele
- Université de Nantes; CEISAM UMR CNRS 6230; 44000 Nantes France
| | - Hélène Serier-Brault
- Institut des Matériaux Jean Rouxel; Université de Nantes; CNRS; 2 rue de la Houssinière, BP 32229 44322 Nantes France
| | - Pierrick Nun
- Université de Nantes; CEISAM UMR CNRS 6230; 44000 Nantes France
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Patra T, Mukherjee S, Ma J, Strieth‐Kalthoff F, Glorius F. Visible‐Light‐Photosensitized Aryl and Alkyl Decarboxylative Functionalization Reactions. Angew Chem Int Ed Engl 2019; 58:10514-10520. [DOI: 10.1002/anie.201904671] [Citation(s) in RCA: 114] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/28/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Tuhin Patra
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Satobhisha Mukherjee
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Jiajia Ma
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Felix Strieth‐Kalthoff
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Frank Glorius
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
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19
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Patra T, Mukherjee S, Ma J, Strieth‐Kalthoff F, Glorius F. Visible‐Light‐Photosensitized Aryl and Alkyl Decarboxylative Functionalization Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904671] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tuhin Patra
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Satobhisha Mukherjee
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Jiajia Ma
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Felix Strieth‐Kalthoff
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
| | - Frank Glorius
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Germany
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20
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Poplata S, Bauer A, Storch G, Bach T. Intramolecular [2+2] Photocycloaddition of Cyclic Enones: Selectivity Control by Lewis Acids and Mechanistic Implications. Chemistry 2019; 25:8135-8148. [PMID: 30983074 PMCID: PMC6618137 DOI: 10.1002/chem.201901304] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Indexed: 11/16/2022]
Abstract
The intramolecular [2+2] photocycloaddition of 3‐alkenyl‐2‐cycloalkenones was performed in an enantioselective fashion (nine representative examples, 54–86 % yield, 76–96 % ee) upon irradiation at λ=366 nm in the presence of an AlBr3‐activated oxazaborolidine as the Lewis acid. An extensive screening of proline‐derived oxazaborolidines showed that the enantioface differentiation depends strongly on the nature of the aryl group at the 3‐position of the heterocycle. DFT calculations of the Lewis acid–substrate complex indicate that attractive dispersion forces may be responsible for a change of the binding mode. The catalytic [2+2] photocycloaddition was shown to proceed on the triplet hypersurface with a quantum yield of 0.05. The positive effect of Lewis acids on the outcome of a given intramolecular [2+2] photocycloaddition was illustrated by optimizing the key step in a concise total synthesis of the sesquiterpene (±)‐italicene.
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Affiliation(s)
- Saner Poplata
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, 85747, Garching, Germany
| | - Andreas Bauer
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, 85747, Garching, Germany
| | - Golo Storch
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, 85747, Garching, Germany
| | - Thorsten Bach
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, 85747, Garching, Germany
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21
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Visible‐Light‐Promoted Polycyclizations of Dienynes. Angew Chem Int Ed Engl 2019; 58:6703-6707. [DOI: 10.1002/anie.201902837] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Indexed: 12/12/2022]
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Lanzi M, Santacroce V, Balestri D, Marchiò L, Bigi F, Maggi R, Malacria M, Maestri G. Visible‐Light‐Promoted Polycyclizations of Dienynes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902837] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Matteo Lanzi
- Università di ParmaDipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Veronica Santacroce
- Università di ParmaDipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Davide Balestri
- Università di ParmaDipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Luciano Marchiò
- Università di ParmaDipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Franca Bigi
- Università di ParmaDipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze 17/A 43124 Parma Italy
- IMEM-CNR Parco Area delle Scienze 37/A 43124 Parma Italy
| | - Raimondo Maggi
- Università di ParmaDipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Max Malacria
- UPMC Sorbonne Université, IPCM (UMR CNRS 8232) 4 place Jussieu, C. 229 75005 Paris France
| | - Giovanni Maestri
- Università di ParmaDipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale Parco Area delle Scienze 17/A 43124 Parma Italy
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23
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Zhou Q, Zou Y, Lu L, Xiao W. Mit sichtbarem Licht induzierte, organische photochemische Reaktionen über Energietransferrouten. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803102] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Quan‐Quan Zhou
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University (CCNU) 152 Luoyu Road Wuhan Hubei 430079 China
| | - You‐Quan Zou
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University (CCNU) 152 Luoyu Road Wuhan Hubei 430079 China
| | - Liang‐Qiu Lu
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University (CCNU) 152 Luoyu Road Wuhan Hubei 430079 China
| | - Wen‐Jing Xiao
- CCNU-uOttawa Joint Research CentreKey Laboratory of Pesticide & Chemical BiologyMinistry of EducationCollege of ChemistryCentral China Normal University (CCNU) 152 Luoyu Road Wuhan Hubei 430079 China
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24
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Zhou QQ, Zou YQ, Lu LQ, Xiao WJ. Visible-Light-Induced Organic Photochemical Reactions through Energy-Transfer Pathways. Angew Chem Int Ed Engl 2018; 58:1586-1604. [PMID: 29774651 DOI: 10.1002/anie.201803102] [Citation(s) in RCA: 585] [Impact Index Per Article: 97.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 05/17/2018] [Indexed: 12/25/2022]
Abstract
Visible-light photocatalysis is a rapidly developing and powerful strategy to initiate organic transformations, as it closely adheres to the tenants of green and sustainable chemistry. Generally, most visible-light-induced photochemical reactions occur through single-electron transfer (SET) pathways. Recently, visible-light-induced energy-transfer (EnT) reactions have received considerable attentions from the synthetic community as this strategy provides a distinct reaction pathway, and remarkable achievements have been made in this field. In this Review, we highlight the most recent advances in visible-light-induced EnT reactions.
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Affiliation(s)
- Quan-Quan Zhou
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - You-Quan Zou
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Liang-Qiu Lu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
| | - Wen-Jing Xiao
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University (CCNU), 152 Luoyu Road, Wuhan, Hubei, 430079, China
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Brenninger C, Jolliffe JD, Bach T. Chromophore Activation of α,β-Unsaturated Carbonyl Compounds and Its Application to Enantioselective Photochemical Reactions. Angew Chem Int Ed Engl 2018; 57:14338-14349. [PMID: 29806882 PMCID: PMC6220886 DOI: 10.1002/anie.201804006] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Indexed: 11/28/2022]
Abstract
The first law of photochemistry, as described by Theodor von Grotthuß and John W. Draper, states that only the light absorbed by the irradiated matter can effect photochemical change. Consequently, the photochemical behavior of a molecule can be controlled by bringing its absorbance properties in line with the emission of the light source. A compound with a chromophore that only absorbs light at short wavelengths will not be excited by light of longer wavelengths. If one can reversibly modify the photophysical properties of a compound with a chemical activator, then it is possible to photoexcite only the activated species. For α,β-unsaturated carbonyl compounds, the use of Lewis acids, Brønsted acids, or the formation of the respective iminium ions can bring about the desired chromophore activation to catalyze a photochemical reaction at a given wavelength. In this Minireview, the concept of chromophore activation will be illustrated, and examples of its implementation in enantioselective catalysis will be discussed.
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Affiliation(s)
- Christoph Brenninger
- Lehrstuhl für Organische Chemie I and Catalysis Research Center (CRC)Technische Universität MünchenLichtenbergstr. 485747GarchingGermany
| | - John D. Jolliffe
- Lehrstuhl für Organische Chemie I and Catalysis Research Center (CRC)Technische Universität MünchenLichtenbergstr. 485747GarchingGermany
| | - Thorsten Bach
- Lehrstuhl für Organische Chemie I and Catalysis Research Center (CRC)Technische Universität MünchenLichtenbergstr. 485747GarchingGermany
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26
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Brenninger C, Jolliffe JD, Bach T. Chromophoraktivierung von α,β-ungesättigten Carbonylverbindungen und ihre Anwendung in enantioselektiven Photoreaktionen. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Christoph Brenninger
- Lehrstuhl für Organische Chemie I und Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
| | - John D. Jolliffe
- Lehrstuhl für Organische Chemie I und Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
| | - Thorsten Bach
- Lehrstuhl für Organische Chemie I und Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
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