1
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Deng X, Jiang F, Wang X. Asymmetric Deoxygenative Functionalization of Secondary Amides with Vinylpyridines Enabled by a Triple Iridium-Photoredox-Chiral Phosphoric Acid System. Org Lett 2024. [PMID: 38489756 DOI: 10.1021/acs.orglett.4c00692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
An enantioselective deoxygenative functionalization of secondary amides with vinylpridines is developed by merging relay iridium catalysis and cooperative photoredox-chiral Brønsted acid catalysis, affording a series of valuable chiral amines in moderate to good yields with good enantioselectivities. The intriguing multiple catalytic system invoking triple-catalysis was found to be the key to the success of the current reactions, which may stimulate further development of catalytic methodologies for asymmetric deoxygenative transformations of amides.
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Affiliation(s)
- Xiyike Deng
- School of Chemistry and Material Sciences, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Feng Jiang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Xiaoming Wang
- School of Chemistry and Material Sciences, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou 310024, China
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China
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2
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Cheng K, Li Y, Kang J, Zhang Q, Wang Y. Selectivity Control by Relay Catalysis in CO and CO 2 Hydrogenation to Multicarbon Compounds. Acc Chem Res 2024; 57:714-725. [PMID: 38349801 DOI: 10.1021/acs.accounts.3c00734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
ConspectusThe hydrogenative conversion of both CO and CO2 into high-value multicarbon (C2+) compounds, such as olefins, aromatic hydrocarbons, ethanol, and liquid fuels, has attracted much recent attention. The hydrogenation of CO is related to the chemical utilization of various carbon resources including shale gas, biomass, coal, and carbon-containing wastes via syngas (a mixture of H2 and CO), while the hydrogenation of CO2 by green H2 to chemicals and liquid fuels would contribute to recycling CO2 for carbon neutrality. The state-of-the-art technologies for the hydrogenation of CO/CO2 to C2+ compounds primarily rely on a direct route via Fischer-Tropsch (FT) synthesis and an indirect route via two methanol-mediated processes, i.e., methanol synthesis from CO/CO2 and methanol to C2+ compounds. The direct route would be more energy- and cost-efficient owing to the reduced operation units, but the product selectivity of the direct route via FT synthesis is limited by the Anderson-Schulz-Flory (ASF) distribution. Selectivity control for the direct hydrogenation of CO/CO2 to a high-value C2+ compound is one of the most challenging goals in the field of C1 chemistry, i.e., chemistry for the transformation of one-carbon (C1) molecules.We have developed a relay-catalysis strategy to solve the selectivity challenge arising from the complicated reaction network in the hydrogenation of CO/CO2 to C2+ compounds involving multiple intermediates and reaction channels, which inevitably lead to side reactions and byproducts over a conventional heterogeneous catalyst. The core of relay catalysis is to design a single tandem-reaction channel, which can direct the reaction to the target product controllably, by choosing appropriate intermediates (or intermediate products) and reaction steps connecting these intermediates, and arranging optimized yet matched catalysts to implement these steps like a relay. This Account showcases representative relay-catalysis systems developed by our group in the past decade for the synthesis of liquid fuels, lower (C2-C4) olefins, aromatics, and C2+ oxygenates from CO/CO2 with selectivity breaking the limitation of conventional catalysts. These relay systems are typically composed of a metal or metal oxide for CO/CO2/H2 activation and a zeolite for C-C coupling or reconstruction, as well as a third or even a fourth catalyst component with other functions if necessary. The mechanisms for the activation of H2 and CO/CO2 on metal oxides, which are distinct from that on the conventional transition or noble metal surfaces, are discussed with emphasis on the role of oxygen vacancies. Zeolites catalyze the conversion of intermediates (including hydrocracking/isomerization of heavier hydrocarbons, methanol-to-hydrocarbon reactions, and carbonylation of methanol/dimethyl ether) in the relay system, and the selectivity is mainly controlled by the Brønsted acidity and the shape-selectivity or the confinement effect of zeolites. We demonstrate that the thermodynamic/kinetic matching of the relay steps, the proximity and spatial arrangement of the catalyst components, and the transportation of intermediates/products in sequence are the key issues guiding the selection of each catalyst component and the construction of an efficient relay-catalysis system. Our methodology would also be useful for the transformation of other C1 molecules via controlled C-C coupling, inspiring more efforts toward precision catalysis.
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Affiliation(s)
- Kang Cheng
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Yubing Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jincan Kang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Qinghong Zhang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Ye Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
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3
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Wang Z, Shao Z, Wang C, Wen J. Base-Promoted Ring-Opening Hydroxylation of Cyclic Sulfonium Salts. J Org Chem 2024; 89:3084-3091. [PMID: 38335534 DOI: 10.1021/acs.joc.3c02546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Herein, we reported a general strategy for the synthesis of sulfur-containing primary alcohol derivatives by base-promoted ring-opening hydroxylation of cyclic sulfonium salts. A variety of sulfonium salts were successfully transformed into the desired hydroxylated products in moderate to excellent yields with good functional group tolerance. Moreover, the one-pot synthesis, scale-up reaction, and late-stage functionalization of complex molecules demonstrated the practicability of this synthetic protocol in the field of synthetic chemistry.
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Affiliation(s)
- Ziyu Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Zeyu Shao
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Cheng Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Jian Wen
- School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
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4
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Li G, Norton JR. Ti(III)-Catalyzed Anti-Markovnikov Reduction of Epoxides with Borohydride. Org Lett 2024; 26:1382-1386. [PMID: 38350153 DOI: 10.1021/acs.orglett.3c04304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
We have developed a Ti catalyst that carries out the anti-Markovnikov reduction of a wide range of epoxides; [BH4]- is used as both the electron and the hydrogen atom source. It requires only mild conditions and accommodates a broad range of epoxide substrates. The Ti catalyst is readily available and is environmentally friendly.
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Affiliation(s)
- Guangchen Li
- Department of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027, United States
| | - Jack R Norton
- Department of Chemistry, Columbia University, 3000 Broadway, New York, New York 10027, United States
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5
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Hu Y, Liu M, Bartling S, Lund H, Atia H, Dyson PJ, Beller M, Jagadeesh RV. A general and robust Ni-based nanocatalyst for selective hydrogenation reactions at low temperature and pressure. SCIENCE ADVANCES 2023; 9:eadj8225. [PMID: 38039372 PMCID: PMC10691780 DOI: 10.1126/sciadv.adj8225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 11/01/2023] [Indexed: 12/03/2023]
Abstract
Catalytic hydrogenations are important and widely applied processes for the reduction of organic compounds both in academic laboratories and in industry. To perform these reactions in sustainable and practical manner, the development and applicability of non-noble metal-based heterogeneous catalysts is crucial. Here, we report highly active and air-stable nickel nanoparticles supported on mesoporous silica (MCM-41) as a general and selective hydrogenation catalyst. This catalytic system allows for the hydrogenation of carbonyl compounds, nitroarenes, N-heterocycles, and unsaturated carbon─carbon bonds in good to excellent selectivity under very mild conditions (room temperature to 80°C, 2 to 10 bar H2). Furthermore, the optimal nickel/meso-silicon dioxide catalyst is reusable (4 cycles) without loss of its catalytic activity.
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Affiliation(s)
- Yue Hu
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Mingyang Liu
- Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Stephan Bartling
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Henrik Lund
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Hanan Atia
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Paul J. Dyson
- Institute of Chemical Sciences and Engineering, Swiss Federal Institute of Technology Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Rajenahally V. Jagadeesh
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
- Nanotechnology Centre, Centre for Energy and Environmental Technologies, VŠB-Technical University of Ostrava, 70800 Ostrava-Poruba, Czech Republic
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6
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Liu J, Du YY, He YS, Liang Y, Liu SZ, Li YY, Cao YM. Parallel kinetic resolution of aziridines via chiral phosphoric acid-catalyzed apparent hydrolytic ring-opening. Chem Sci 2023; 14:12152-12159. [PMID: 37969581 PMCID: PMC10631200 DOI: 10.1039/d3sc03899h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 10/10/2023] [Indexed: 11/17/2023] Open
Abstract
We report a chiral phosphoric acid catalyzed apparent hydrolytic ring-opening reaction of racemic aziridines in a regiodivergent parallel kinetic resolution manner. Harnessing the acyloxy-assisted strategy, the highly stereocontrolled nucleophilic ring-opening of aziridines with water is achieved. Different kinds of aziridines are applicable in the process, giving a variety of enantioenriched aromatic or aliphatic amino alcohols with up to 99% yields and up to >99.5 : 0.5 enantiomeric ratio. Preliminary mechanistic study as well as product elaborations were inducted as well.
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Affiliation(s)
- Juan Liu
- College of Science & China Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University Beijing 100193 China
| | - Yi-Ying Du
- College of Science & China Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University Beijing 100193 China
| | - Yu-Shi He
- College of Science & China Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University Beijing 100193 China
| | - Yan Liang
- College of Science & China Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University Beijing 100193 China
| | - Shang-Zhong Liu
- College of Science & China Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University Beijing 100193 China
| | - Yi-Yi Li
- College of Science & China Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University Beijing 100193 China
| | - Yi-Ming Cao
- College of Science & China Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University Beijing 100193 China
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7
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Lin XC, Wang YM, Chen X, You PY, Mo KM, Ning GH, Li D. A Photosensitizing Metal-Organic Framework as a Tandem Reaction Catalyst for Primary Alcohols from Terminal Alkenes and Alkynes. Angew Chem Int Ed Engl 2023; 62:e202306497. [PMID: 37259979 DOI: 10.1002/anie.202306497] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 05/27/2023] [Accepted: 06/01/2023] [Indexed: 06/02/2023]
Abstract
Owing to the wide and growing demand for primary alcohols, the development of efficient catalysts with high regioselectivity remains a worthwhile pursuit. However, according to Markovnikov's rule, it is a challenge to obtain primary alcohols with high yields and regioselectivity from terminal alkenes or alkynes. Herein, we report the synthesis of a photosensitizing two-dimensional (2D) metal-organic framework (MOF) from cyclic trinuclear copper(I) units (Cu-CTUs) and a boron dipyrro-methene (Bodipy) ligand. The MOF features broadband light absorption, excellent photoinduced charge separation efficiency, and photochemical properties. By integrating the copper-catalyzed hydroboration and photocatalyzed aerobic oxidation, it can catalyze terminal alkenes and alkynes to produce primary alcohols via a one-pot tandem reaction with excellent regioselectivity, good overall yields in two-step reactions (up to 85 %), broad substrate compatibility (32 examples) and good reusability under mild conditions.
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Affiliation(s)
- Xiao-Chun Lin
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
| | - Yu-Mei Wang
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
| | - Xu Chen
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
| | - Pei-Ye You
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
| | - Kai-Ming Mo
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
| | - Guo-Hong Ning
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
| | - Dan Li
- College of Chemistry and Materials Science, Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou, Guangdong, 510632, P. R. China
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8
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Höthker S, Gansäuer A. Formal Anti-Markovnikov Addition of Water to Olefins by Titanocene-Catalyzed Epoxide Hydrosilylation: From Stoichiometric to Sustainable Catalytic Reactions. GLOBAL CHALLENGES (HOBOKEN, NJ) 2023; 7:2200240. [PMID: 37483422 PMCID: PMC10362118 DOI: 10.1002/gch2.202200240] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/21/2023] [Indexed: 07/25/2023]
Abstract
Here, the evolution of the titanocene-catalyzed hydrosilylation of epoxides that yields the corresponding anti-Markovnikov alcohols is summarized. The study focuses on aspects of sustainability, efficient catalyst activation, and stereoselectivity. The latest variant of the reaction employs polymethylhydrosiloxane (PMHS), a waste product of the Müller-Rochow process as terminal reductant, features an efficient catalyst activation with benzylMgBr and the use of the bench stable Cp2TiCl2 as precatalyst. The combination of olefin epoxidation and epoxide hydrosilylation provides a uniquely efficient approach to the formal anti-Markovnikov addition of H2O to olefins.
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Affiliation(s)
- Sebastian Höthker
- Kekulé‐Institut für Organische Chemie und BiochemieRheinische Friedrich‐Wilhelms‐Universität BonnGerhard‐Domagk‐Straße 153121BonnGermany
| | - Andreas Gansäuer
- Kekulé‐Institut für Organische Chemie und BiochemieRheinische Friedrich‐Wilhelms‐Universität BonnGerhard‐Domagk‐Straße 153121BonnGermany
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9
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Kim J, Sun X, van der Worp BA, Ritter T. Anti-Markovnikov hydrochlorination and hydronitrooxylation of α-olefins via visible-light photocatalysis. Nat Catal 2023. [DOI: 10.1038/s41929-023-00914-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
AbstractConventional hydrofunctionalization of α-olefins with mineral acids proceeds with Markovnikov selectivity to afford branched isomers. The direct formation of linear constitutional isomers is challenging, yet anti-Markovnikov addition would be valuable for the synthesis of commodity chemicals, such as primary alcohols, which are currently only accessible via stoichiometric redox reactions, with a full equivalent of waste of both oxidant and reductant. Strategies that utilize radical intermediates have been demonstrated, but only for activated alkenes, and the direct use of aqueous mineral acids remains elusive. Here we present anti-Markovnikov addition reactions of aqueous hydrochloric and nitric acid to unactivated alkenes. The transformation is enabled by the in situ generation of photoredox-active ion pairs, derived from acridine and the mineral acid, as a combined charge- and phase-transfer catalyst. The introduction of a hydrogen atom transfer catalyst enabled us to bypass the challenging chain propagation by hydrochloric and nitric acids that originates from the high bond dissociation energy.
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10
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Li X, Yang X, Chen P, Liu G. Palladium-Catalyzed Remote Hydro-Oxygenation of Internal Alkenes: An Efficient Access to Primary Alcohols. J Am Chem Soc 2022; 144:22877-22883. [PMID: 36508607 DOI: 10.1021/jacs.2c11428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
As a general method for the synthesis of alcohols, the direct oxygenation of alkenes is difficult to afford linear alcohols. Herein, we communicate the remote hydro-oxygenation of alkenes under palladium catalysis, in which both terminal and internal alkenes are suitable to yield the corresponding linear alcohols efficiently. A compatible SelectFluor/silane redox system plays an essential role for the excellent chemo- and regioselectivities. The reaction features a broad substrate scope and excellent functional group compatibility.
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Affiliation(s)
- Xiang Li
- State Key Laboratory of Organometallic Chemistry and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China.,Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xintuo Yang
- State Key Laboratory of Organometallic Chemistry and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Pinhong Chen
- State Key Laboratory of Organometallic Chemistry and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Guosheng Liu
- State Key Laboratory of Organometallic Chemistry and Shanghai Hongkong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China.,Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen, 518055, China
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11
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MacNeil CS, Mendelsohn LN, Pabst TP, Hierlmeier G, Chirik PJ. Alcohol Synthesis by Cobalt-Catalyzed Visible-Light-Driven Reductive Hydroformylation. J Am Chem Soc 2022; 144:19219-19224. [PMID: 36240429 DOI: 10.1021/jacs.2c07745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A cobalt-catalyzed reductive hydroformylation of terminal and 1,1-disubstituted alkenes is described. One-carbon homologated alcohols were synthesized directly from CO and H2, affording anti-Markovnikov products (34-87% yield) with exclusive regiocontrol (linear/branch >99:1) for minimally functionalized alkenes. Irradiation of the air-stable cobalt hydride, (dcype)Co(CO)2H (dcype = dicyclohexylphosphinoethane) with blue light generated the active catalyst that mediates alkene hydroformylation and subsequent aldehyde hydrogenation. Mechanistic origins of absolute regiocontrol were investigated by in situ monitoring of the tandem catalytic reaction using multinuclear NMR spectroscopy with syngas mixtures.
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Affiliation(s)
- Connor S MacNeil
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Lauren N Mendelsohn
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Tyler P Pabst
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Gabriele Hierlmeier
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Paul J Chirik
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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12
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Zhang G, Zeng H, Zheng S, Neary MC, Dub PA. Markovnikov alcohols via epoxide hydroboration by molecular alkali metal catalysts. iScience 2022; 25:105119. [PMID: 36185366 PMCID: PMC9515598 DOI: 10.1016/j.isci.2022.105119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 08/29/2022] [Accepted: 09/08/2022] [Indexed: 11/28/2022] Open
Affiliation(s)
- Guoqi Zhang
- Department of Sciences, John Jay College and PhD in Chemistry Program, the Graduate Center of City University of New York, New York, NY 10019, USA
- Corresponding author
| | - Haisu Zeng
- Department of Sciences, John Jay College and PhD in Chemistry Program, the Graduate Center of City University of New York, New York, NY 10019, USA
- Department of Chemistry, Hunter College, City University of New York, New York, NY 10065, USA
| | - Shengping Zheng
- Department of Chemistry, Hunter College, City University of New York, New York, NY 10065, USA
| | - Michelle C. Neary
- Department of Chemistry, Hunter College, City University of New York, New York, NY 10065, USA
| | - Pavel A. Dub
- Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
- Corresponding author
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13
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Lin H, Meng Y, Li N, Tang Y, Dong S, Wu Z, Xu C, Kazlauskas R, Chen H. Enzymatic Enantioselective anti‐Markovnikov Hydration of Aryl Alkenes. Angew Chem Int Ed Engl 2022; 61:e202206472. [DOI: 10.1002/anie.202206472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Hui Lin
- College of Life Sciences Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 China
| | - Yinyin Meng
- College of Life Sciences Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 China
| | - Na Li
- College of Biological Engineering Henan University of Technology 100 Lianhua Street Zhengzhou 450001 China
| | - Yanhong Tang
- College of Life Sciences Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 China
| | - Shuang Dong
- College of Life Sciences Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 China
| | - Zhongliu Wu
- CAS Key Laboratory of Environmental and Applied Microbiology & Environmental Microbiology Key Laboratory of Sichuan Province Chengdu Institute of Biology Chinese Academy of Sciences Chengdu 610041 China
| | - Cuilian Xu
- College of Sciences Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 China
| | - Romas Kazlauskas
- Department of Biochemistry Molecular Biology and Biophysics and the BioTechnology Institute University of Minnesota St Paul MN 55108 USA
| | - Hongge Chen
- College of Life Sciences Henan Agricultural University 95 Wenhua Road Zhengzhou 450002 China
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14
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Luo MJ, Xiao Q, Li JH. Electro-/photocatalytic alkene-derived radical cation chemistry: recent advances in synthetic applications. Chem Soc Rev 2022; 51:7206-7237. [PMID: 35880555 DOI: 10.1039/d2cs00013j] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Alkene-derived radical cations are versatile reactive intermediates and have been widely applied in the construction of complex functionalized molecules and cyclic systems for chemical synthesis. Therefore, the synthetic application of these alkene-derived radical cations represents a powerful and green tool that can be used to achieve the functionalization of alkenes partially because the necessity of stoichiometric external chemical oxidants and/or hazardous reaction conditions is eliminated. This review summarizes the recent advances in the synthetic applications of the electro-/photochemical alkene-derived radical cations, emphasizing the key single-electron oxidation steps of the alkenes, the scope and limitations of the substrates, and the related reaction mechanisms. Using electrocatalysis and/or photocatalysis, single electron transfer (SET) oxidation of the CC bonds in the alkenes occurs, generating the alkene-derived radical cations, which sequentially enables the functionalization of translocated radical cations to occur in two ways: the first involves direct reaction with a nucleophile/radical or two molecules of nucleophiles to realize hydrofunctionalization, difunctionalization and cyclization; and the second involves the transformation of the alkene-derived radical cations into carbon-centered radicals using a base followed by radical coupling or oxidative nucleophilic coupling.
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Affiliation(s)
- Mu-Jia Luo
- Key Laboratory of Organic Chemistry of Jiangxi Province, Jiangxi Science & Technology Normal University, Nanchang, 330013, China.
| | - Qiang Xiao
- Key Laboratory of Organic Chemistry of Jiangxi Province, Jiangxi Science & Technology Normal University, Nanchang, 330013, China.
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China. .,State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 475004, China
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15
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Fang H, Shimada S. Oxidative Addition of Water to Ir(I) Complexes Bearing a Pincer-Type Silyl Ligand. ACS OMEGA 2022; 7:20237-20240. [PMID: 35721963 PMCID: PMC9201899 DOI: 10.1021/acsomega.2c02168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Reaction of water with in situ generated [(PSiP-R)IrI] (PSiP-R = [{2-(R2P)C6H4}2MeSi]-; R = cyclohexyl, tBu or iPr) from [(PSiP-R)Ir(H)4] and tert-butylethylene (tbe) showed high ligand dependency. Oxidative addition of water cleanly proceeded in the reaction of [(PSiP-tBu)IrI] in THF at room temperature to selectively afford a 16-electron hydrido-hydroxo complex [(PSiP- t Bu)Ir(H)(OH)] almost quantitatively. In contrast, the reaction of cyclohexyl and iPr derivatives was unselective and formed various products containing Ir-H bonds. In the case of iPr-derivative, a small amount of 18-electron hydrido-hydroxo aqua complex [(PSiP-iPr)Ir(H)(OH)(H2O)] was isolated and structurally characterized by X-ray crystallography.
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16
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Lin H, Meng Y, Li N, Tang Y, Dong S, Wu Z, Xu C, Kazlauskas R, Chen H. Enzymatic Enantioselective anti‐Markovnikov Hydration of Aryl Alkenes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206472] [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)
- Hui Lin
- Henan Agricultural University College of Life Science 95 Wenhua Road 450002 Zhengzhou CHINA
| | - Yinyin Meng
- Henan Agricultural University College of Life Sciences CHINA
| | - Na Li
- Henan University of Technology College of Biological Engineering CHINA
| | - Yanhong Tang
- Henan Agricultural University College of Life Sciences CHINA
| | - Shuang Dong
- Henan Agricultural University College of Life Sciences CHINA
| | - Zhongliu Wu
- Chengdu Institute of Biology CAS Key Laboratory of Environmental and Applied Microbiology CHINA
| | - Cuilian Xu
- Henan Agricultural University College of Sciences CHINA
| | - Romas Kazlauskas
- University of Minnesota College of Biological Sciences Department of Biochemistry, Molecular Biology and Biophysics CHINA
| | - Hongge Chen
- Henan Agricultural University College of Life Sciences CHINA
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17
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Thiyagarajan S, Gunanathan C. Catalytic Hydrogenation of Epoxides to Alcohols. Chem Asian J 2022; 17:e202200118. [PMID: 35486033 DOI: 10.1002/asia.202200118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/16/2022] [Indexed: 11/10/2022]
Abstract
Atom-economical catalytic reactions are a highly enticing strategy because all atoms of the starting materials are incorporated into the products. Catalytic hydrogenation of epoxides to alcohols is an attractive and alternative protocol to other synthetic methodologies for the synthesis of alcohols from alkenes. In the last two decades, catalytic hydrogenation of epoxides to alcohols has made remarkable progress in chemical synthesis. In this review, an overview of the catalytic hydrogenation of both terminal and internal epoxides to the corresponding alcohols is presented. An outline of both homogeneous and heterogeneous hydrogenation of epoxides to the corresponding alcohols is provided. Moreover, the selectivity, efficiency, and the reaction mechanisms of these epoxide hydrogenation reactions are highlighted.
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Affiliation(s)
| | - Chidambaram Gunanathan
- National Institute of Science Education and Research, School of Chemical Sciences, IOP Campus, 752050, Bhubaneswar, INDIA
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18
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Vayer M, Zhang S, Moran J, Lebœuf D. Rapid and Mild Metal-Free Reduction of Epoxides to Primary Alcohols Mediated by HFIP. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00216] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Marie Vayer
- Université de Strasbourg, CNRS, ISIS UMR 7006, Strasbourg, 67000, France
| | - Shaofei Zhang
- Université de Strasbourg, CNRS, ISIS UMR 7006, Strasbourg, 67000, France
| | - Joseph Moran
- Université de Strasbourg, CNRS, ISIS UMR 7006, Strasbourg, 67000, France
| | - David Lebœuf
- Université de Strasbourg, CNRS, ISIS UMR 7006, Strasbourg, 67000, France
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19
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Quach L, Dutta S, Pflüger PM, Sandfort F, Bellotti P, Glorius F. Visible-Light-Initiated Hydrooxygenation of Unactivated Alkenes─A Strategy for Anti-Markovnikov Hydrofunctionalization. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05555] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Linda Quach
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149 Münster, Germany
| | - Subhabrata Dutta
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149 Münster, Germany
| | - Philipp M. Pflüger
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149 Münster, Germany
| | - Frederik Sandfort
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149 Münster, Germany
| | - Peter Bellotti
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149 Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 36, 48149 Münster, Germany
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20
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Fernandes RA, Yadav SS, Kumar P. Palladium-catalyzed anti-Markovnikov oxidative acetalization of activated olefins with iron(III) sulphate as the reoxidant. Org Biomol Chem 2022; 20:427-443. [PMID: 34927658 DOI: 10.1039/d1ob02227j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This paper discloses the efficient palladium-catalyzed anti-Markovnikov oxidative acetalization of activated terminal olefins with iron(III) sulfate as the reoxidant. This methodology requires mild reaction conditions and shows high regioselectivity toward anti-Markovnikov products and compatibility with a wide range of functional groups. Iron(III) sulphate was the sole reoxidant used in this method. Various olefins like vinylarenes, aryl-allylethers, aryl or benzyl acrylates and homoallylic alcohols all reacted well providing anti-Markovnikov acetals, some of which represent orthogonally functionalized 1,3- and 1,4-dioxygenated compounds.
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Affiliation(s)
- Rodney A Fernandes
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India.
| | - Sandhya S Yadav
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India.
| | - Praveen Kumar
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, Maharashtra, India.
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21
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Pajk SP, Qi Z, Sujansky SJ, Bandar JS. A Base-Catalyzed Approach for the anti-Markovnikov Hydration of Styrene Derivatives. Chem Sci 2022; 13:11427-11432. [PMID: 36320585 PMCID: PMC9533481 DOI: 10.1039/d2sc02827a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/24/2022] [Indexed: 11/21/2022] Open
Abstract
The base-catalyzed addition of 1-cyclopropylethanol to styrene derivatives with an acidic reaction workup enables anti-Markovnikov hydration. The use of either catalytic organic superbase or crown ether-ligated inorganic base permits hydration of a wide variety of styrene derivatives, including electron-deficient, ortho-substituted and heteroaryl variants. This protocol complements alternative routes to terminal alcohols that rely on stoichiometric reduction and oxidation processes. The utility of this method is demonstrated through multigram scale reactions and its use in a two-step hydration/cyclization process of ortho-halogenated styrenes to prepare 2,3-dihydrobenzofuran derivatives. The base-catalyzed addition of 1-cyclopropylethanol to vinyl (hetero)arenes sequenced with an acidic reaction workup enables anti-Markovnikov hydration in a complementary fashion to traditional hydroboration/oxidation protocols.![]()
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Affiliation(s)
- Spencer P Pajk
- Department of Chemistry, Colorado State University Fort Collins Colorado 80523 USA
| | - Zisong Qi
- Department of Chemistry, Colorado State University Fort Collins Colorado 80523 USA
| | - Stephen J Sujansky
- Department of Chemistry, Colorado State University Fort Collins Colorado 80523 USA
| | - Jeffrey S Bandar
- Department of Chemistry, Colorado State University Fort Collins Colorado 80523 USA
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22
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Lei SH, Zhong Y, Cai XP, Huang Q, Qu JP, Kang YB. Direct synthesis of β-acyloxy aldehydes from linear allylic esters using O2 as the sole oxidant. Org Chem Front 2022. [DOI: 10.1039/d1qo01607e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple and practical preparation of β-O substituted aldehydes directly from linear allylic esters using oxygen as the sole oxidant and tert-butyl nitrite as a simple and sole redox cocatalyst is developed.
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Affiliation(s)
- Shu-Hui Lei
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ya Zhong
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xian-Peng Cai
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Qing Huang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jian-Ping Qu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yan-Biao Kang
- Hefei National Laboratory for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei 230026, China
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23
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Deng Q, Li X, Gao R, Wang J, Zeng Z, Zou JJ, Deng S, Tsang SCE. Hydrogen-Catalyzed Acid Transformation for the Hydration of Alkenes and Epoxy Alkanes over Co-N Frustrated Lewis Pair Surfaces. J Am Chem Soc 2021; 143:21294-21301. [PMID: 34874721 DOI: 10.1021/jacs.1c08259] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Hydrogen (H2) is widely used as a reductant for many hydrogenation reactions; however, it has not been recognized as a catalyst for the acid transformation of active sites on solid surface. Here, we report the H2-promoted hydration of alkenes (such as styrenes and cyclic alkenes) and epoxy alkanes over single-atom Co-dispersed nitrogen-doped carbon (Co-NC) via a transformation mechanism of acid-base sites. Specifically, the specific catalytic activity and selectivity of Co-NC are superior to those of classical solid acids (acidic zeolites and resins) per micromole of acid, whereas the hydration catalysis does not take place under a nitrogen atmosphere. Detailed investigations indicate that H2 can be heterolyzed on the Co-N bond to form Hδ--Co-N-Hδ+ and then be converted into OHδ--Co-N-Hδ+ accompanied by H2 generation via a H2O-mediated path, which significantly reduces the activation energy for hydration reactions. This work not only provides a novel catalytic method for hydration reactions but also removes the conceptual barriers between hydrogenation and acid catalysis.
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Affiliation(s)
- Qiang Deng
- School of Resource, Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Xiang Li
- School of Resource, Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Ruijie Gao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People's Republic of China.,Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geosciences, Wuhan 430074, People's Republic of China
| | - Jun Wang
- School of Resource, Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Zheling Zeng
- School of Resource, Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, People's Republic of China
| | - Ji-Jun Zou
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, People's Republic of China
| | - Shuguang Deng
- School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, Arizona 85287, United States
| | - Shik Chi Edman Tsang
- Wolfson Catalysis Centre, Department of Chemistry, University of Oxford, Oxford OX1 3QR, U.K
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24
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Tadiello L, Gandini T, Stadler BM, Tin S, Jiao H, de Vries JG, Pignataro L, Gennari C. Regiodivergent Reductive Opening of Epoxides by Catalytic Hydrogenation Promoted by a (Cyclopentadienone)iron Complex. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03549] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Laura Tadiello
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Tommaso Gandini
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Bernhard M. Stadler
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Sergey Tin
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Johannes G. de Vries
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Luca Pignataro
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Cesare Gennari
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
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25
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Photocatalytic
Anti
‐Markovnikov Radical Hydro‐ and Aminooxygenation of Unactivated Alkenes Tuned by Ketoxime Carbonates. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202107118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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26
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Lai SQ, Wei BY, Wang JW, Yu W, Han B. Photocatalytic Anti-Markovnikov Radical Hydro- and Aminooxygenation of Unactivated Alkenes Tuned by Ketoxime Carbonates. Angew Chem Int Ed Engl 2021; 60:21997-22003. [PMID: 34255913 DOI: 10.1002/anie.202107118] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/29/2021] [Indexed: 11/05/2022]
Abstract
A tunable photocatalytic method is reported for anti-Markovnikov hydro- and aminooxygenation of unactivated alkenes using readily accessible ketoxime carbonates as the diverse functionalization reagents. Mechanistic studies reveal that this reaction is initiated through an energy-transfer-promoted N-O bond homolysis of ketoxime carbonates leading to alkoxylcarbonyloxyl and iminyl radicals under visible-light photocatalysis, followed by the addition of alkoxylcarbonyloxyl radical to alkenes. By taking advantage of the different stability of the iminyl radicals, the generated carbon radical either abstracts a hydrogen atom from the media to form the anti-Markovnikov hydrooxygenation product, or it is trapped by the persistent iminyl radical to furnish the aminooxygenation product. Notably, this is the first example of direct hydrooxygenation of unactivated olefins with anti-Markovnikov regioselectivity involving an oxygen-centered radical.
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Affiliation(s)
- Sheng-Qiang Lai
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Bang-Yi Wei
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Jia-Wei Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Wei Yu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Bing Han
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
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27
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Gao J, Ma R, Feng L, Liu Y, Jackstell R, Jagadeesh RV, Beller M. Ambient Hydrogenation and Deuteration of Alkenes Using a Nanostructured Ni‐Core–Shell Catalyst. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105492] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Jie Gao
- Leibniz Leibniz-Institut für Katalyse e.V. Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Rui Ma
- Leibniz Leibniz-Institut für Katalyse e.V. Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | - Lu Feng
- Dalian National Laboratory for Clean Energy (DNL) Dalian Institute of Chemical Physics Chinese Academy of Science 457 Zhongshan Road 116023 Dalian China
| | - Yuefeng Liu
- Dalian National Laboratory for Clean Energy (DNL) Dalian Institute of Chemical Physics Chinese Academy of Science 457 Zhongshan Road 116023 Dalian China
| | - Ralf Jackstell
- Leibniz Leibniz-Institut für Katalyse e.V. Albert-Einstein-Strasse 29a 18059 Rostock Germany
| | | | - Matthias Beller
- Leibniz Leibniz-Institut für Katalyse e.V. Albert-Einstein-Strasse 29a 18059 Rostock Germany
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28
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Gao J, Ma R, Feng L, Liu Y, Jackstell R, Jagadeesh RV, Beller M. Ambient Hydrogenation and Deuteration of Alkenes Using a Nanostructured Ni-Core-Shell Catalyst. Angew Chem Int Ed Engl 2021; 60:18591-18598. [PMID: 34076934 PMCID: PMC8453733 DOI: 10.1002/anie.202105492] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Indexed: 11/08/2022]
Abstract
A general protocol for the selective hydrogenation and deuteration of a variety of alkenes is presented. Key to success for these reactions is the use of a specific nickel-graphitic shell-based core-shell-structured catalyst, which is conveniently prepared by impregnation and subsequent calcination of nickel nitrate on carbon at 450 °C under argon. Applying this nanostructured catalyst, both terminal and internal alkenes, which are of industrial and commercial importance, were selectively hydrogenated and deuterated at ambient conditions (room temperature, using 1 bar hydrogen or 1 bar deuterium), giving access to the corresponding alkanes and deuterium-labeled alkanes in good to excellent yields. The synthetic utility and practicability of this Ni-based hydrogenation protocol is demonstrated by gram-scale reactions as well as efficient catalyst recycling experiments.
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Affiliation(s)
- Jie Gao
- Leibniz Leibniz-Institut für Katalyse e.V.Albert-Einstein-Strasse 29a18059RostockGermany
| | - Rui Ma
- Leibniz Leibniz-Institut für Katalyse e.V.Albert-Einstein-Strasse 29a18059RostockGermany
| | - Lu Feng
- Dalian National Laboratory for Clean Energy (DNL)Dalian Institute of Chemical PhysicsChinese Academy of Science457 Zhongshan Road116023DalianChina
| | - Yuefeng Liu
- Dalian National Laboratory for Clean Energy (DNL)Dalian Institute of Chemical PhysicsChinese Academy of Science457 Zhongshan Road116023DalianChina
| | - Ralf Jackstell
- Leibniz Leibniz-Institut für Katalyse e.V.Albert-Einstein-Strasse 29a18059RostockGermany
| | | | - Matthias Beller
- Leibniz Leibniz-Institut für Katalyse e.V.Albert-Einstein-Strasse 29a18059RostockGermany
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29
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Li C, Chang XY, Huo L, Tan H, Xing X, Xu C. Hydration of Cyanohydrins by Highly Active Cationic Pt Catalysts: Mechanism and Scope. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02254] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Chengcheng Li
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xiao-Yong Chang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Luqiong Huo
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Haibo Tan
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Xiangyou Xing
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Chen Xu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
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30
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Bary G, Jamil MI, Arslan M, Ghani L, Ahmed W, Ahmad H, Zaman G, Ayub K, Sajid M, Ahmad R, Huang D, Liu F, Wang Y. Regio- and stereoselective functionalization of alkenes with emphasis on mechanistic insight and sustainability concerns. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101260] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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31
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32
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Ura Y. Realization of Anti-Markovnikov Selectivity in Pd-Catalyzed Oxidative Acetalization and Wacker-Type Oxidation of Terminal Alkenes. CHEM REC 2021; 21:3458-3469. [PMID: 34021681 DOI: 10.1002/tcr.202100090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/21/2021] [Indexed: 11/10/2022]
Abstract
Catalytic oxidative acetalization and Wacker-type oxidation of terminal alkenes normally proceed with Markovnikov selectivity to afford internally oxyfunctionalized compounds, such as internal acetals and ketones. Thus, the realization of anti-Markovnikov (AM) selectivity in these reactions is challenging. This account focuses on our recent development of Pd-catalyzed AM oxidation of terminal alkenes (mainly styrenes and aliphatic alkenes), that is, oxidative acetalization (oxidation to terminal acetals) and Wacker-type oxidation (oxidation to aldehydes). The key factors that enhance the yield and AM selectivity of the products found in our studies are: 1) the steric bulkiness of the oxygen nucleophiles that attack on the coordinated alkenes, 2) the electron-deficient cyclic alkenes as additives that withdraw electrons from Pd, 3) the slow addition of substrates in the case of the aliphatic alkenes, which suppresses the isomerization of the terminal alkenes into internal alkenes, and 4) the halogen directing groups in the case of aliphatic alkenes.
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Affiliation(s)
- Yasuyuki Ura
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women's University, Kitauoyanishi-machi, Nara, 630-8506, Japan
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33
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Kumar K, Kumar P, Singh B, Yadav S, Mishra UK, Ansari AJ, Ramasastry SSV. Hypothesis-Driven Palladium-Catalyzed Transformations for the Construction of New Molecular Architectures. CHEMICAL RECORD (NEW YORK, N.Y.) 2021; 21:3470-3482. [PMID: 33971073 DOI: 10.1002/tcr.202100095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/20/2021] [Accepted: 04/20/2021] [Indexed: 11/09/2022]
Abstract
The development of new synthetic protocols to access diverse molecular scaffolds from readily available starting compounds is of significance in both academia and industry. Towards this, the catalysis by transition metals has been employed as a powerful tool to access molecules with broad structural and functional diversity. An overview of the recent literature manifested the tremendous potential of transition metal-catalyzed processes in advancing organic synthesis in a new direction. This account compiles new conceptual advancements in the palladium-catalyzed Alder-ene type cycloisomerization reactions, C-H functionalizations, and one-pot multicatalytic processes, which have become essential tools to access new classes of molecules.
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Affiliation(s)
- Ketan Kumar
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO, Punjab, 140306, India
| | - Prashant Kumar
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO, Punjab, 140306, India
| | - Bara Singh
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO, Punjab, 140306, India
| | - Sonu Yadav
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO, Punjab, 140306, India
| | - Uttam K Mishra
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO, Punjab, 140306, India
| | - Arshad J Ansari
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO, Punjab, 140306, India
| | - S S V Ramasastry
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, S. A. S. Nagar, Manauli PO, Punjab, 140306, India
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34
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Muzart J. Progress in the synthesis of aldehydes from Pd-catalyzed Wacker-type reactions of terminal olefins. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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35
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Yang Y, Zuo L, Wei K, Guo W. Water-Mediated Catalytic Decarboxylation Enabled Polysubstituted Furans and Allylic Alcohols with Exclusive (E)-Configurations. Org Lett 2021; 23:3195-3200. [DOI: 10.1021/acs.orglett.1c00929] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yulian Yang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Frontier Institute of Science and Technology (FIST), Xi’an Jiaotong University, Xi’an 710045, China
| | - Linhong Zuo
- Frontier Institute of Science and Technology (FIST), Xi’an Jiaotong University, Xi’an 710045, China
| | - Kun Wei
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Wusheng Guo
- Frontier Institute of Science and Technology (FIST), Xi’an Jiaotong University, Xi’an 710045, China
- Xi’an Key Laboratory of Sustainable Energy Materials Chemistry, Xi’an Jiaotong University, Xi’an 710049, China
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36
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Guo T, Mo K, Zhang N, Xiao L, Liu W, Wen L. Embedded homogeneous ultra-fine Pd nanoparticles within MOF ultra-thin nanosheets for heterogeneous catalysis. Dalton Trans 2021; 50:1774-1779. [DOI: 10.1039/d0dt03877f] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Owing to the synergetic effects of ultra-small Pd NPs and the intrinsic characteristics of two-dimensional supports, the obtained Pd@NMOF-Ni showed high catalytic activity and size-selectivity in olefin hydrogenation with easy recovery.
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Affiliation(s)
- Taolian Guo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education
- College of Chemistry
- Central China Normal University
- Wuhan
- China
| | - Kaili Mo
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education
- College of Chemistry
- Central China Normal University
- Wuhan
- China
| | - Nannan Zhang
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education
- College of Chemistry
- Central China Normal University
- Wuhan
- China
| | - Lipengcheng Xiao
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education
- College of Chemistry
- Central China Normal University
- Wuhan
- China
| | - Wenlong Liu
- College of Chemistry & Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Lili Wen
- Key Laboratory of Pesticide & Chemical Biology of Ministry of Education
- College of Chemistry
- Central China Normal University
- Wuhan
- China
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37
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Ura Y. Palladium-Catalyzed Anti-Markovnikov Oxidation of Aromatic and Aliphatic Alkenes to Terminal Acetals and Aldehydes. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1706570] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
AbstractCatalytic anti-Markovnikov (AM) oxidation of terminal alkenes can provide terminally oxyfunctionalized organic compounds. This short review mainly summarizes our recent progress on the Pd-catalyzed AM oxidations of aromatic and aliphatic terminal alkenes to give terminal acetals (oxidative acetalization) and aldehydes (Wacker-type oxidation), along with related reports. These reactions demonstrate the efficacy of the PdCl2(MeCN)2/CuCl/electron-deficient cyclic alkenes/O2 catalytic system. Notably, electron-deficient cyclic alkenes such as p-benzoquinones (BQs) and maleimides are key additives that facilitate nucleophilic attack of oxygen nucleophiles on coordinated terminal alkenes and enhance the AM selectivity. BQs also function to oxidize Pd(0) depending on the reaction conditions. Several other factors that improve the AM selectivity, such as the steric demand of the nucleophiles, slow substrate addition, and halogen-directing groups, are also discussed.1 Introduction2 Anti-Markovnikov Oxidation of Aromatic Alkenes to Terminal Acetals3 Anti-Markovnikov Oxidation of Aromatic Alkenes to Aldehydes4 Anti-Markovnikov Oxidation of Aliphatic Alkenes to Terminal Acetals5 Anti-Markovnikov Oxidation of Aliphatic Alkenes to Aldehydes6 Conclusion
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38
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Liu X, Longwitz L, Spiegelberg B, Tönjes J, Beweries T, Werner T. Erbium-Catalyzed Regioselective Isomerization–Cobalt-Catalyzed Transfer Hydrogenation Sequence for the Synthesis of Anti-Markovnikov Alcohols from Epoxides under Mild Conditions. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03294] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xin Liu
- Leibniz Institute for Catalysis, Albert-Einstein-Str. 29a, Rostock D-18059, Germany
| | - Lars Longwitz
- Leibniz Institute for Catalysis, Albert-Einstein-Str. 29a, Rostock D-18059, Germany
| | - Brian Spiegelberg
- Leibniz Institute for Catalysis, Albert-Einstein-Str. 29a, Rostock D-18059, Germany
| | - Jan Tönjes
- Leibniz Institute for Catalysis, Albert-Einstein-Str. 29a, Rostock D-18059, Germany
| | - Torsten Beweries
- Leibniz Institute for Catalysis, Albert-Einstein-Str. 29a, Rostock D-18059, Germany
| | - Thomas Werner
- Leibniz Institute for Catalysis, Albert-Einstein-Str. 29a, Rostock D-18059, Germany
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39
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Tang X, Gan L, Zhang X, Huang Z. n-Alkanes to n-alcohols: Formal primary C─H bond hydroxymethylation via quadruple relay catalysis. SCIENCE ADVANCES 2020; 6:6/47/eabc6688. [PMID: 33219029 PMCID: PMC7679163 DOI: 10.1126/sciadv.abc6688] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 10/07/2020] [Indexed: 05/10/2023]
Abstract
Nature is able to synergistically combine multiple enzymes to conduct well-ordered biosynthetic transformations. Mimicking nature's multicatalysis in vitro may give rise to new chemical transformations via interplay of numerous molecular catalysts in one pot. The direct and selective conversion of abundant n-alkanes to valuable n-alcohols is a reaction with enormous potential applicability but has remained an unreached goal. Here, we show that a quadruple relay catalysis system involving three discrete transition metal catalysts enables selective synthesis of n-alcohols via n-alkane primary C─H bond hydroxymethylation. This one-pot multicatalysis system is composed of Ir-catalyzed alkane dehydrogenation, Rh-catalyzed olefin isomerization and hydroformylation, and Ru-catalyzed aldehyde hydrogenation. This system is further applied to synthesis of α,ω-diols from simple α-olefins through terminal-selective hydroxymethylation of silyl alkanes.
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Affiliation(s)
- Xinxin Tang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Lan Gan
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xin Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Zheng Huang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China.
- Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, China
- School of Chemistry and Material Sciences, Hangzhou Institute of Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
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40
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Temkin ON. Oxidation of Olefins to Carbonyl Compounds: Modern View of the Classical Reaction. KINETICS AND CATALYSIS 2020. [DOI: 10.1134/s0023158420050122] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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41
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Sciortino G, Muñoz-López S, Lledós A, Ujaque G. Comparative Mechanistic Study on the [Au(NHC)]+-Catalyzed Hydration of Alkynes, Alkenes, and Allenes. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00292] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Giuseppe Sciortino
- Departament de Quı́mica, Universitat Autònoma de Barcelona and Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), 08193 Cerdanyola del Vallès, Catalonia, Spain
- Dipartimento di Chimica e Farmacia, Università di Sassari, Via Vienna 2, I-07100 Sassari, Italy
| | - Sara Muñoz-López
- Departament de Quı́mica, Universitat Autònoma de Barcelona and Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - Agustí Lledós
- Departament de Quı́mica, Universitat Autònoma de Barcelona and Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), 08193 Cerdanyola del Vallès, Catalonia, Spain
| | - Gregori Ujaque
- Departament de Quı́mica, Universitat Autònoma de Barcelona and Centro de Innovación en Quı́mica Avanzada (ORFEO-CINQA), 08193 Cerdanyola del Vallès, Catalonia, Spain
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42
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Gieuw MH, Chen S, Ke Z, Houk KN, Yeung YY. Boron tribromide as a reagent for anti-Markovnikov addition of HBr to cyclopropanes. Chem Sci 2020; 11:9426-9433. [PMID: 34094209 PMCID: PMC8161534 DOI: 10.1039/d0sc02567d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 08/04/2020] [Indexed: 01/15/2023] Open
Abstract
Although radical formation from a trialkylborane is well documented, the analogous reaction mode is unknown for trihaloboranes. We have discovered the generation of bromine radicals from boron tribromide and simple proton sources, such as water or tert-butanol, under open-flask conditions. Cyclopropanes bearing a variety of substituents were hydro- and deuterio-brominated to furnish anti-Markovnikov products in a highly regioselective fashion. NMR mechanistic studies and DFT calculations point to a radical pathway instead of the conventional ionic mechanism expected for BBr3.
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Affiliation(s)
- Matthew H Gieuw
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong Shatin NT Hong Kong China
| | - Shuming Chen
- Department of Chemistry and Biochemistry, University of California Los Angeles California 90095 USA
| | - Zhihai Ke
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong Shatin NT Hong Kong China
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California Los Angeles California 90095 USA
| | - Ying-Yeung Yeung
- Department of Chemistry, State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong Shatin NT Hong Kong China
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43
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Xue J, Bai LG, Zhang L, Zhou Y, Lin XL, Mou NJ, Xiao DR, Luo QL. One-Pot Synthesis of 2,4-Diacyl Thiophenes from α-Oxo Ketene Dithioacetals and Propargylic Alcohols. J Org Chem 2020; 85:9761-9775. [DOI: 10.1021/acs.joc.0c01093] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Jian Xue
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Li-Gang Bai
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Liang Zhang
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Yue Zhou
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Xiao-Long Lin
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Neng-Jie Mou
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Dong-Rong Xiao
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Qun-Li Luo
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
- Key Laboratory of Applied Chemistry of Chongqing Municipality, Southwest University, Chongqing 400715, China
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44
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Komori S, Yamaguchi Y, Murakami Y, Kataoka Y, Ura Y. Palladium/Copper‐catalyzed Oxidation of Aliphatic Terminal Alkenes to Aldehydes Assisted by
p
‐Benzoquinone. ChemCatChem 2020. [DOI: 10.1002/cctc.202000472] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Saki Komori
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University Kitauoyanishi-machi Nara 630-8506 Japan
| | - Yoshiko Yamaguchi
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University Kitauoyanishi-machi Nara 630-8506 Japan
| | - Yuka Murakami
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University Kitauoyanishi-machi Nara 630-8506 Japan
| | - Yasutaka Kataoka
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University Kitauoyanishi-machi Nara 630-8506 Japan
| | - Yasuyuki Ura
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science Nara Women's University Kitauoyanishi-machi Nara 630-8506 Japan
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45
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Miyazawa K, Tracey J, Reischl B, Spijker P, Foster AS, Rohl AL, Fukuma T. Tip dependence of three-dimensional scanning force microscopy images of calcite-water interfaces investigated by simulation and experiments. NANOSCALE 2020; 12:12856-12868. [PMID: 32520063 DOI: 10.1039/d0nr02043e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, we have investigated the influence of the tip on the three-dimensional scanning force microscopy (3D-SFM) images of calcite-water interfaces by experiments and simulations. We calculated 3D force images by simulations with the solvent tip approximation (STA), Ca, CO3 and OH tip models. For all the 3D images, the z profiles at the surface Ca and CO3 sites alternately show oscillatory peaks corresponding to the hydration layers. However, the peak heights and spacings become larger when the mechanical stability of the tip becomes higher. For analyzing the xy slices of the 3D force images, we developed the extended STA (E-STA) model which allowed us to reveal the strong correlation between the hydration structure just under the tip and the atomic-scale force contrasts. Based on these understandings on the image features showing the strong tip dependence, we developed a method for objectively estimating the similarity between 3D force images. With this method, we compared the simulated images with the three experimentally obtained ones. Among them, two images showed a relatively high similarity with the image obtained by the simulation with the Ca or the CO3 tip model. Based on these agreements, we characterized the hydration structure and mechanical stability of the experimentally used tips. The understanding and methodology presented here should help us to derive accurate information on the tip and the interfacial structure from experimentally obtained 3D-SFM images.
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Affiliation(s)
- Keisuke Miyazawa
- Faculty of Frontier Engineering, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan. and Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - John Tracey
- Department of Applied Physics, Aalto University, Helsinki FI-00076, Finland.
| | - Bernhard Reischl
- Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, PO Box 64, FI-00014, Finland and Curtin Institute for Computation, Curtin University, P.O. Box U1987, Perth, Western Australia 6845, Australia
| | - Peter Spijker
- Department of Applied Physics, Aalto University, Helsinki FI-00076, Finland.
| | - Adam S Foster
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan and Department of Applied Physics, Aalto University, Helsinki FI-00076, Finland.
| | - Andrew L Rohl
- Curtin Institute for Computation and School of Electrical Engineering, Computing and Mathematical Sciences, Curtin University, P.O. Box U1987, Perth, Western Australia 6845, Australia
| | - Takeshi Fukuma
- Faculty of Frontier Engineering, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan. and Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
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46
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Jia R, Zuo Z, Li X, Liu L, Dong J. New strategy for production of primary alcohols from aliphatic olefins by tandem cross-metathesis/hydrogenation. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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47
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Liu W, Leischner T, Li W, Junge K, Beller M. A General Regioselective Synthesis of Alcohols by Cobalt‐Catalyzed Hydrogenation of Epoxides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002844] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Weiping Liu
- College of Chemistry, Chemical Engineering and Biotechnology Donghua University 201620 Shanghai P. R. China
- Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Thomas Leischner
- Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Wu Li
- Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29a 18059 Rostock Germany
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48
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Liu W, Leischner T, Li W, Junge K, Beller M. A General Regioselective Synthesis of Alcohols by Cobalt-Catalyzed Hydrogenation of Epoxides. Angew Chem Int Ed Engl 2020; 59:11321-11324. [PMID: 32196878 PMCID: PMC7383699 DOI: 10.1002/anie.202002844] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Indexed: 11/16/2022]
Abstract
A straightforward methodology for the synthesis of anti‐Markovnikov‐type alcohols is presented. By using a specific cobalt triphos complex in the presence of Zn(OTf)2 as an additive, the hydrogenation of epoxides proceeds with high yields and selectivities. The described protocol shows a broad substrate scope, including multi‐substituted internal and terminal epoxides, as well as a good functional‐group tolerance. Various natural‐product derivatives, including steroids, terpenoids, and sesquiterpenoids, gave access to the corresponding alcohols in moderate‐to‐excellent yields.
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Affiliation(s)
- Weiping Liu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 201620, Shanghai, P. R. China.,Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Thomas Leischner
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Wu Li
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059, Rostock, Germany
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49
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Chen Y, Zhang J, Tang Z, Sun Y. Visible light catalyzed anti-markovnikov hydration of styrene to 2-phenylethanol: From batch to continuous. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112340] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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50
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Li C, Kan J, Qiu Z, Li J, Lv L, Li C. Synergistic Relay Reactions To Achieve Redox‐Neutral α‐Alkylations of Olefinic Alcohols with Ruthenium(II) Catalysis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915218] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chen‐Chen Li
- Department of ChemistryMcGill University 801 Sherbrook West Montreal QC H3A 0B8 Canada
| | - Jian Kan
- Department of ChemistryMcGill University 801 Sherbrook West Montreal QC H3A 0B8 Canada
- State Key Laboratory of Structural ChemistryFujian Institute of Research on the Structure of MatterChinese Academy of Sciences Yangqiao West Road 155 Fuzhou Fujian 350002 China
| | - Zihang Qiu
- Department of ChemistryMcGill University 801 Sherbrook West Montreal QC H3A 0B8 Canada
| | - Jianbin Li
- Department of ChemistryMcGill University 801 Sherbrook West Montreal QC H3A 0B8 Canada
| | - Leiyang Lv
- Department of ChemistryMcGill University 801 Sherbrook West Montreal QC H3A 0B8 Canada
| | - Chao‐Jun Li
- Department of ChemistryMcGill University 801 Sherbrook West Montreal QC H3A 0B8 Canada
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