1
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Gao Q, Xu WC, Nie X, Bian KJ, Yuan HR, Zhang W, Wu BB, Wang XS. Regio- and enantioselective nickel-alkyl catalyzed hydroalkylation of alkynes. Nat Commun 2024; 15:6556. [PMID: 39095386 PMCID: PMC11297161 DOI: 10.1038/s41467-024-50947-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 07/23/2024] [Indexed: 08/04/2024] Open
Abstract
The migratory insertion of metal-hydride into alkene has allowed regioselective access to organometallics, readily participating in subsequent functionalization as one conventional pathway of hydroalkylation, whereas analogous process with feedstock alkyne is drastically less explored. Among few examples, the regioselectivity of metal-hydride insertion is mostly governed by electronic bias of alkynes. To alter the regioselectivity and drastically expand the intermediate pools that we can access, one aspirational design is through alternative nickel-alkyl insertion, providing opposite regioselectivity induced by steric demand. Leveraging in situ formed nickel-alkyl species, we herein report the regio- and enantioselective hydroalkylation of alkynes with broad functional group tolerance, excellent regio- and enantioselectivity, enabling efficient route to diverse valuable chiral allylic amines motifs. Preliminary mechanistic studies indicate the aminoalkyl radical species can participate in metal-capture and lead to formation of nickel-alkyl, of which the migratory insertion is key to reverse regioselectivity observed in metal-hydride insertion.
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Affiliation(s)
- Qian Gao
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Wei-Cheng Xu
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Xuan Nie
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Kang-Jie Bian
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Hong-Rui Yuan
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Wen Zhang
- Department of Chemistry, University of Science and Technology of China, Hefei, China
| | - Bing-Bing Wu
- Department of Chemistry, University of Science and Technology of China, Hefei, China.
| | - Xi-Sheng Wang
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China.
- Department of Chemistry, University of Science and Technology of China, Hefei, China.
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2
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Baumann JE, Chung CP, Lalic G. Stereoselective Copper-Catalyzed Olefination of Imines. Angew Chem Int Ed Engl 2024; 63:e202316521. [PMID: 38100274 PMCID: PMC10977923 DOI: 10.1002/anie.202316521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/10/2023] [Accepted: 12/12/2023] [Indexed: 12/17/2023]
Abstract
Alkenes are an important class of organic molecules found among synthetic intermediates and bioactive compounds. They are commonly synthesized through stoichiometric Wittig-type olefination of carbonyls and imines, using ylides or their equivalents. Despite the importance of Wittig-type olefination reactions, their catalytic variants remain underdeveloped. We explored the use of transition metal catalysis to form ylide equivalents from readily available starting materials. Our investigation led to a new copper-catalyzed olefination of imines with alkenyl boronate esters as coupling partners. We identified a heterobimetallic complex, obtained by hydrocupration of the alkenyl boronate esters, as the key catalytic intermediate that serves as an ylide equivalent. The high E-selectivity observed in the reaction is due to the stereoselective addition of this intermediate to an imine, followed by stereospecific anti-elimination.
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Affiliation(s)
- James E Baumann
- Department of Chemistry, University of Washington, 109 Bagley Hall, 98195, Seattle, WA, USA
| | - Crystal P Chung
- Department of Chemistry, University of Washington, 109 Bagley Hall, 98195, Seattle, WA, USA
| | - Gojko Lalic
- Department of Chemistry, University of Washington, 109 Bagley Hall, 98195, Seattle, WA, USA
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3
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Kancherla R, Muralirajan K, Dutta S, Pal K, Li B, Maity B, Cavallo L, Rueping M. Photoexcitation of Distinct Divalent Palladium Complexes in Cross-Coupling Amination Under Air. Angew Chem Int Ed Engl 2024; 63:e202314508. [PMID: 37956272 DOI: 10.1002/anie.202314508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/13/2023] [Accepted: 11/13/2023] [Indexed: 11/15/2023]
Abstract
The development of metal complexes that function as both photocatalyst and cross-coupling catalyst remains a challenging research topic. So far, progress has been shown in palladium(0) excited-state transition metal catalysis for the construction of carbon-carbon bonds where the oxidative addition of alkyl/aryl halides to zero-valent palladium (Pd0 ) is achievable at room temperature. In contrast, the analogous process with divalent palladium (PdII ) is uphill and endothermic. For the first time, we report that divalent palladium can act as a light-absorbing species that undergoes double excitation to realize carbon-nitrogen (C-N) cross-couplings under air. Differently substituted aryl halides can be applied in the mild, and selective cross-coupling amination using palladium acetate as both photocatalyst and cross-coupling catalyst at room temperature. Density functional theory studies supported by mechanistic investigations provide insight into the reaction mechanism.
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Affiliation(s)
- Rajesh Kancherla
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Krishnamoorthy Muralirajan
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Sayan Dutta
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Kuntal Pal
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Bo Li
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Bholanath Maity
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Luigi Cavallo
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Magnus Rueping
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
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4
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Zou S, Zhao Z, Huang H. Palladium-Catalyzed Aminoalkylative Cyclization Enables Modular Synthesis of Exocyclic 1,3-Dienes. Angew Chem Int Ed Engl 2023; 62:e202311603. [PMID: 37815155 DOI: 10.1002/anie.202311603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 10/11/2023]
Abstract
A novel and efficient palladium-catalyzed regioselective and stereodivergent ring-closing reaction of aminoenynes with aldehydes and boronic acids or hydrosilane is developed. This three-component reaction allows for the modular synthesis of a series of exocyclic 1,3-dienes bearing 5- to 8-membered saturated N-heterocycles. The reactions utilize a simple Pd-catalyst and work with broad range of aminoenynes, aldehydes and organometallic reagents under mild reaction conditions. The products represent useful intermediates for chemical synthesis due to the versatility of the conjugated diene. Preliminary mechanistic details of the method are also revealed.
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Affiliation(s)
- Suchen Zou
- Key Laboratory of Precision and Intelligent Chemistry and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Zeyu Zhao
- Key Laboratory of Precision and Intelligent Chemistry and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Hanmin Huang
- Key Laboratory of Precision and Intelligent Chemistry and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, P. R. China
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, Huaibei Normal University, Huaibei, Anhui, 235000, P. R. China
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5
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Motz R, Sun AC, Lehnherr D, Ruccolo S. High-Throughput Determination of Stern-Volmer Quenching Constants for Common Photocatalysts and Quenchers. ACS ORGANIC & INORGANIC AU 2023; 3:266-273. [PMID: 37810410 PMCID: PMC10557125 DOI: 10.1021/acsorginorgau.3c00019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 10/10/2023]
Abstract
Mechanistic information on reactions proceeding via photoredox catalysis has enabled rational optimizations of existing reactions and revealed new synthetic pathways. One essential step in any photoredox reaction is catalyst quenching via photoinduced electron transfer or energy transfer with either a substrate, additive, or cocatalyst. Identification of the correct quencher using Stern-Volmer studies is a necessary step for mechanistic understanding; however, such studies are often cumbersome, low throughput and require specialized luminescence instruments. This report describes a high-throughput method to rapidly acquire a series of Stern-Volmer constants, employing readily available fluorescence plate readers and 96-well plates. By leveraging multichannel pipettors or liquid dispensing robots in combination with fast plate readers, the sampling frequency for quenching studies can be improved by several orders of magnitude. This new high-throughput method enabled the rapid collection of 220 quenching constants for a library of 20 common photocatalysts with 11 common quenchers. The extensive Stern-Volmer constant table generated greatly facilitates the systematic comparison between quenchers and can provide guidance to the synthetic community interested in designing and understanding catalytic photoredox reactions.
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Affiliation(s)
- Rachel
N. Motz
- Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Alexandra C. Sun
- Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Dan Lehnherr
- Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Serge Ruccolo
- Process Research and Development, Merck & Co., Inc., Rahway, New Jersey 07065, United States
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6
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Lin HZ, Qi Z, Wu QM, Jiang YY, Peng JB. Palladium-catalyzed intramolecular asymmetric hydrocyclopropanylation of alkynes: synthesis of cyclopropane-fused γ-lactams. Chem Sci 2023; 14:7564-7568. [PMID: 37449077 PMCID: PMC10337766 DOI: 10.1039/d3sc02168h] [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: 04/28/2023] [Accepted: 06/15/2023] [Indexed: 07/18/2023] Open
Abstract
A palladium-catalyzed intramolecular asymmetric hydrocyclopropanylation of alkynes via C(sp3)-H activation has been developed for the synthesis of cyclopropane-fused γ-lactams. The presented strategy proceeds in a selective and 100% atom-economical manner. A range of cyclopropane-fused γ-lactams were prepared from readily available substrates in good yields and enantioselectivities with a chiral phosphoramidite ligand.
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Affiliation(s)
- Han-Ze Lin
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Zhuang Qi
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Qi-Min Wu
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Yong-Yu Jiang
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
| | - Jin-Bao Peng
- School of Biotechnology and Health Sciences, Wuyi University Jiangmen Guangdong 529020 People's Republic of China
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7
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Ligand-controlled stereodivergent alkenylation of alkynes to access functionalized trans- and cis-1,3-dienes. Nat Commun 2023; 14:55. [PMID: 36599820 PMCID: PMC9813127 DOI: 10.1038/s41467-022-35688-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 12/20/2022] [Indexed: 01/05/2023] Open
Abstract
Precise stereocontrol of functionalized alkenes represents a long-standing research topic in organic synthesis. Nevertheless, the development of a catalytic, easily tunable synthetic approach for the stereodivergent synthesis of both E-selective and even more challenging Z-selective highly substituted 1,3-dienes from common substrates remains underexploited. Here, we report a photoredox and nickel dual catalytic strategy for the stereodivergent sulfonylalkenylation of terminal alkynes with vinyl triflates and sodium sulfinates under mild conditions. With a judicious choice of simple nickel catalyst and ligand, this method enables efficient and divergent access to both Z- and E-sulfonyl-1,3-dienes from the same set of simple starting materials. This method features broad substrate scope, good functional compatibility, and excellent chemo-, regio-, and stereoselectivity. Experimental and DFT mechanistic studies offer insights into the observed divergent stereoselectivity controlled by ligands.
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8
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Beil SB, Chen TQ, Intermaggio NE, MacMillan DWC. Carboxylic Acids as Adaptive Functional Groups in Metallaphotoredox Catalysis. Acc Chem Res 2022; 55:3481-3494. [PMID: 36472093 PMCID: PMC10680106 DOI: 10.1021/acs.accounts.2c00607] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The development of palladium-catalyzed cross-coupling methods for the activation of C(sp2)-Br bonds facilitated access to arene-rich molecules, enabling a concomitant increase in the prevalence of this structural motif in drug molecules in recent decades. Today, there is a growing appreciation of the value of incorporating saturated C(sp3)-rich scaffolds into pharmaceutically active molecules as a means to achieve improved solubility and physiological stability, providing the impetus to develop new coupling strategies to access these challenging motifs in the most straightforward way possible. As an alternative to classical two-electron chemistry, redox chemistry can enable access to elusive transformations, most recently, by interfacing abundant first-row transition-metal catalysis with photoredox catalysis. As such, the functionalization of ubiquitous and versatile functional handles such as (aliphatic) carboxylic acids via metallaphotoredox catalysis has emerged as a valuable field of research over the past eight years.In this Account, we will outline recent progress in the development of methodologies that employ aliphatic and (hetero)aromatic carboxylic acids as adaptive functional groups. Whereas recent decarboxylative functionalization methodologies often necessitate preactivated aliphatic carboxylic acids in the form of redox-active esters or as ligands for hypervalent iodine reagents, methods that enable the direct use of the native carboxylic acid functionality are highly desired and have been accomplished through metallaphotoredox protocols. As such, we found that bench-stable aliphatic carboxylic acids can undergo diverse transformations, such as alkylation, arylation, amination, and trifluoromethylation, by leveraging metallaphotoredox catalysis with prevalent first-row transition metals such as nickel and copper. Likewise, abundant aryl carboxylic acids are now able to undergo halogenation and borylation, enabling new entry points for traditional, primarily palladium- or copper-catalyzed cross-coupling strategies. Given the breadth of the functional group tolerance of the employed reaction conditions, the late-stage functionalization of abundant carboxylic acids toward desired targets has become a standard tool in reaction design, enabling the synthesis of various diversified drug molecules. The rapid rise of this field has positively inspired pharmaceutical discovery and will be further accelerated by novel reaction development. The achievement of generality through reaction optimization campaigns allows for future breakthroughs that can render protocols more reliable and applicable for industry. This article is intended to highlight, in particular, (i) the employment of aliphatic and (hetero)aryl carboxylic acids as powerful late-stage adaptive functional handles in drug discovery and (ii) the need for the further development of still-elusive and selective transformations.We strongly believe that access to native functionalities such as carboxylic acids as adaptive handles will further inspire researchers across the world to investigate new methodologies for complex molecular targets.
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Affiliation(s)
- Sebastian B Beil
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Tiffany Q Chen
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Nicholas E Intermaggio
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - David W C MacMillan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
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9
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Liu F, Zhang K, Zhao XF, Meng QX, Zhao TS, Tian WF, He YQ. Photoinduced Stereoselective Hydroalkylation of Terminal Arylalkynes via C(sp3)-H Functionalization. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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10
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Murugesan V, Muralidharan A, Anantharaj GV, Chinnusamy T, Rasappan R. Photoredox–Ni Dual Catalysis: Chelation-Free Hydroacylation of Terminal Alkynes. Org Lett 2022; 24:8435-8440. [DOI: 10.1021/acs.orglett.2c03481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Vetrivelan Murugesan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
| | - Anjana Muralidharan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
| | - Guru Vigknesh Anantharaj
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
| | - Tamilselvi Chinnusamy
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
| | - Ramesh Rasappan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Vithura, Thiruvananthapuram, Kerala 695551, India
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11
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Qin L, Zhang X, Sun H, Duan X, Liu J, Wu M, Yuan X, Qiu J, Guo K. Visible-light-induced decarboxylative alkynylation of carboxylic acids in batch and continuous flow. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.10.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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12
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Liu G, Gao Y, Su W. Photocatalytic Decarboxylative Coupling of Arylacetic Acids with Aromatic Aldehydes. J Org Chem 2022; 88:6322-6332. [PMID: 36173738 DOI: 10.1021/acs.joc.2c01751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient protocol was proposed for the preparation of secondary alcohols in good to excellent yields via photoredox-catalyzed decarboxylative couplings between readily available arylacetic acids and a variety of less reactive (hetero)aromatic aldehydes. The formation of carbanion is the key intermediate in this reaction. Various substituted arylacetic acids and aldehydes were all compatible with this transformation under mild reaction conditions. Furthermore, the current protocol was successfully applied to the direct alcoholization of several drug acids.
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Affiliation(s)
- Ge Liu
- College of Chemistry, Fuzhou University, Fuzhou 350116, China.,State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, China
| | - Yuzhen Gao
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, China
| | - Weiping Su
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou 350002, China
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13
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Zhu C, Lee S, Chen H, Yue H, Rueping M. Reductive Cross‐Coupling of α‐Oxy Halides Enabled by Thermal Catalysis, Photocatalysis, Electrocatalysis, or Mechanochemistry. Angew Chem Int Ed Engl 2022; 61:e202204212. [DOI: 10.1002/anie.202204212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Chen Zhu
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Shao‐Chi Lee
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Haifeng Chen
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Huifeng Yue
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Magnus Rueping
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
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14
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Liu W, Liu C, Wang M, Kong W. Modular Synthesis of Multifunctionalized CF 3-Allenes through Selective Activation of Saturated Hydrocarbons. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wenfeng Liu
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, P. R. China
| | - Chuhan Liu
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, P. R. China
| | - Minyan Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Wangqing Kong
- The Institute for Advanced Studies, Wuhan University, Wuhan 430072, P. R. China
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15
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Li Y, Liu D, Wan L, Zhang JY, Lu X, Fu Y. Ligand-Controlled Cobalt-Catalyzed Regiodivergent Alkyne Hydroalkylation. J Am Chem Soc 2022; 144:13961-13972. [PMID: 35866845 DOI: 10.1021/jacs.2c06279] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Regiodivergent alkyne hydroalkylation to generate different isomers of an alkene from the same alkyne starting material would be beneficial; however, it remains a challenge. Herein, we report a ligand-controlled cobalt-catalyzed regiodivergent alkyne hydroalkylation. The sensible selection of bisoxazoline (L1) and pyridine-oxazoline (L8) ligands led to reliable and predictable protocols that provided (E)-1,2-disubstituted and 1,1-disubstituted alkenes with high E/Z stereoselectivity and regioisomeric ratio starting from identical terminal alkyne and alkyl halide substrates and produced trisubstituted alkenes in the case of internal alkynes. This method exhibits a broad scope for terminal and internal alkynes with a wide range of activated and unactivated alkyl halides and shows excellent functional group compatibility.
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Affiliation(s)
- Yan Li
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026 Hefei, China
| | - Deguang Liu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026 Hefei, China
| | - Lei Wan
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026 Hefei, China
| | - Jun-Yang Zhang
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026 Hefei, China
| | - Xi Lu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026 Hefei, China
| | - Yao Fu
- Department of Hepatobiliary Surgery, The First Affiliated Hospital, Division of Life Sciences and Medicine, Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, University of Science and Technology of China, 230026 Hefei, China.,Institute of Energy, Hefei Comprehensive National Science Center, 230031 Hefei, China
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16
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Zhu C, Lee S, Chen H, Yue H, Rueping M. Reductive Cross‐Coupling of α‐Oxy Halides Enabled by Thermal Catalysis, Photocatalysis, Electrocatalysis, or Mechanochemistry. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Chen Zhu
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Shao‐Chi Lee
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Haifeng Chen
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Huifeng Yue
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
| | - Magnus Rueping
- KAUST Catalysis Center (KCC) King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
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17
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Xu ZY, Liu YP, Liu X, Fu R, Hao WJ, Tu SJ, Jiang B. Photocatalytic Chemodivergent Synthesis of α‐gem‐Dihalovinyl Ketones and Chromen‐2‐ones from Monoalkynes. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200422] [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)
| | | | - Xin Liu
- Jiangsu Normal University CHINA
| | - Rong Fu
- Jiangsu Normal University CHINA
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18
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Zhang Y, Tanabe Y, Kuriyama S, Nishibayashi Y. Photoredox‐ and Nickel‐Catalyzed Hydroalkylation of Alkynes with 4‐Alkyl‐1,4‐dihydropyridines: Ligand‐Controlled Regioselectivity. Chemistry 2022; 28:e202200727. [DOI: 10.1002/chem.202200727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Yulin Zhang
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113–8656 Japan
| | - Yoshiaki Tanabe
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113–8656 Japan
| | - Shogo Kuriyama
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113–8656 Japan
| | - Yoshiaki Nishibayashi
- Department of Applied Chemistry School of Engineering The University of Tokyo Hongo Bunkyo-ku Tokyo 113–8656 Japan
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19
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Zhu Z, Hu J, Xie Z, Tang J, Le Z. Visible‐Light‐Enabled Photosensitizer‐ and Additive‐Free Decarboxylative Coupling Cyclization of Enaminone with
N
‐Arylglycine for 3‐Aminoalkyl Chromones. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Zhi‐Qiang Zhu
- Jiangxi Province Key Laboratory of Synthetic Chemistry School of Chemistry, Biology and Material Science East China University of Technology Nanchang 330013 People's Republic of China
| | - Jia‐Yu Hu
- Jiangxi Province Key Laboratory of Synthetic Chemistry School of Chemistry, Biology and Material Science East China University of Technology Nanchang 330013 People's Republic of China
| | - Zong‐Bo Xie
- Jiangxi Province Key Laboratory of Synthetic Chemistry School of Chemistry, Biology and Material Science East China University of Technology Nanchang 330013 People's Republic of China
| | - Juan Tang
- Ministry of Education Key Laboratory of Functional Small Organic Molecule Department of Chemistry and chemical engineering Jiangxi Normal University Nanchang 330022 People's Republic of China
| | - Zhang‐Gao Le
- Jiangxi Province Key Laboratory of Synthetic Chemistry School of Chemistry, Biology and Material Science East China University of Technology Nanchang 330013 People's Republic of China
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20
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Zhu C, Yue H, Rueping M. Nickel catalyzed multicomponent stereodivergent synthesis of olefins enabled by electrochemistry, photocatalysis and photo-electrochemistry. Nat Commun 2022; 13:3240. [PMID: 35688818 PMCID: PMC9187637 DOI: 10.1038/s41467-022-30985-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 05/20/2022] [Indexed: 02/07/2023] Open
Abstract
Trisubstituted alkenes are important organic synthons and have broad applications in the synthesis of many pharmaceuticals and materials. The stereoselective synthesis of such compounds has long been a research focus for organic researchers. Herein, we report a three-component, reductive cascade, cross-coupling reaction for the arylalkylation of alkynes. A wide range of trisubstituted alkenes are obtained in good to high yields with excellent chemo- and stereoselectivity by switching between electrochemistry and photocatalysis. The E isomer of the product is obtained exclusively when the reaction is conducted with electricity and nickel, while the Z isomer is generated with high stereoselectivity when photo- and nickel dual catalysts are used. Moreover, photo-assisted electrochemically enabled nickel catalyzed protocol is demonstrated to selectively deliver Z-trisubstituted alkenes without the addition of photocatalysts. The construction of trisubstituted alkenes with high stereoselectivity is challenging. Here, the authors realize the stereodivergent synthesis of such compounds via switching between electrochemistry, photochemistry and photoelectrochemistry.
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Affiliation(s)
- Chen Zhu
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Huifeng Yue
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia.
| | - Magnus Rueping
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia. .,RWTH Aachen University, Forckenbeckstrasse 55, 52074, Aachen, Germany.
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21
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Mechanistic insights into photochemical nickel-catalyzed cross-couplings enabled by energy transfer. Nat Commun 2022; 13:2737. [PMID: 35585041 PMCID: PMC9117274 DOI: 10.1038/s41467-022-30278-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 04/19/2022] [Indexed: 12/26/2022] Open
Abstract
Various methods that use a photocatalyst for electron transfer between an organic substrate and a transition metal catalyst have been established. While triplet sensitization of organic substrates via energy transfer from photocatalysts has been demonstrated, the sensitization of transition metal catalysts is still in its infancy. Here, we describe the selective alkylation of C(sp3)-H bonds via triplet sensitization of nickel catalytic intermediates with a thorough elucidation of its reaction mechanism. Exergonic Dexter energy transfer from an iridium photosensitizer promotes the nickel catalyst to the triplet state, thus enabling C-H functionalization via the release of bromine radical. Computational studies and transient absorption experiments support that the reaction proceeds via the formation of triplet states of the organometallic nickel catalyst by energy transfer.
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22
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Zhan YZ, Meng H, Shu W. Rapid access to t-butylalkylated olefins enabled by Ni-catalyzed intermolecular regio- and trans-selective cross-electrophile t-butylalkylation of alkynes. Chem Sci 2022; 13:4930-4935. [PMID: 35655892 PMCID: PMC9068203 DOI: 10.1039/d2sc00487a] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 03/28/2022] [Indexed: 12/14/2022] Open
Abstract
Among the carbo-difunctionalization of alkynes, the stereoselective dialkylation of alkynes is the most challenging transformation due to associated competitive side reactions and thus remains underdeveloped. Herein, we report the first Ni-catalyzed regio- and trans-selective cross-dialkylation of alkynes with two distinct alkyl bromides to afford olefins with two aliphatic substituents. The reductive conditions circumvent the use of organometallic reagents, enabling the cross-dialkylation process to occur at room temperature from two different alkyl bromides. This operationally simple protocol provides a straightforward and practical access to a wide range of stereodefined dialkylated olefins with broad functional group tolerance from easily available starting materials. A direct reductive cross-dialkylation of alkynes is achieved to afford trans-dialkylated olefins using two distinct alkyl bromides. The reaction undergoes with exclusive chemo-, regio- and stereoselectivity without the use of organometallic reagents.![]()
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Affiliation(s)
- Yi-Zhou Zhan
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
| | - Huan Meng
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
| | - Wei Shu
- Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology Shenzhen 518055 Guangdong P. R. China
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23
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Corpas J, Mauleón P, Gómez Arrayás R, Carretero JC. E/Z
Photoisomerization of Olefins as an Emergent Strategy for the Control of Stereodivergence in Catalysis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200199] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Javier Corpas
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
| | - Pablo Mauleón
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
| | - Ramón Gómez Arrayás
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
| | - Juan C. Carretero
- Department of Organic Chemistry Institute for Advanced Research in Chemical Sciences (IAdChem) Center for Innovation in Advanced Chemistry (ORFEO-CINQA). Universidad Autónoma de Madrid Cantoblanco 28049 Madrid Spain
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24
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Ramani A, Desai B, Patel M, Naveen T. Recent advances in the functionalization of terminal and internal alkynes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Arti Ramani
- Sardar Vallabhbhai National Institute of Technology Department of chemistry INDIA
| | - Bhargav Desai
- Sardar Vallabhbhai National Institute of Technology Department of chemistry INDIA
| | - Monak Patel
- Sardar Vallabhbhai National Institute of Technology Department of chemistry INDIA
| | - Togati Naveen
- SVNIT Surat: Sardar Vallabhbhai National Institute of Technology Applied Chemistry Room No: 115, Applied Chemistry DepartmentSVNIT Surat 395007 SURAT INDIA
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25
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Ruan HL, Ma YL, Man KX, Zhao SY. Transition-Metal-Free Radical-Triggered Hydrosulfonylation and Disulfonylation Reaction of Substituted Maleimides with Sulfonyl Hydrazides. J Org Chem 2022; 87:3762-3769. [PMID: 35168325 DOI: 10.1021/acs.joc.1c02816] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A convenient and practical hydrosulfonylation and disulfonylation of substituted maleimides was realized using sulfonyl hydrazides as the sulfur reagent and tert-butyl hydroperoxide as the oxidant. The advantages of the reactions include mild and transition-metal-free reaction conditions, good functional group tolerance, and readily available starting materials. The radical species-induced pathway is also demonstrated by mechanistic studies.
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Affiliation(s)
- Hong-Li Ruan
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, P. R. China
| | - Yi-Lin Ma
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, P. R. China
| | - Ke-Xin Man
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, P. R. China
| | - Sheng-Yin Zhao
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, No. 2999 North Renmin Road, Shanghai 201620, P. R. China
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26
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Chen XL, Wang B, Song DP, Pan L, Li YS. One-Step Synthesis of Sequence-Controlled Polyester-block-Poly(ester-alt-thioester) by Chemoselective Multicomponent Polymerization. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02303] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiao-Lu Chen
- Tianjin Key Laboratory of Composite & Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Bin Wang
- Tianjin Key Laboratory of Composite & Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Dong-Po Song
- Tianjin Key Laboratory of Composite & Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Li Pan
- Tianjin Key Laboratory of Composite & Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Yue-Sheng Li
- Tianjin Key Laboratory of Composite & Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
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27
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Chen A, Xu L, Zhou Z, Zhao S, Yang T, Zhu F. Recent advances in glycosylation involving novel anomeric radical precursors. J Carbohydr Chem 2022. [DOI: 10.1080/07328303.2022.2031207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Anrong Chen
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Lili Xu
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Zhenghong Zhou
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Shiyin Zhao
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, China
| | - Tianyi Yang
- Research and Development, Corden Pharma Colorado, Boulder, Colorado, USA
| | - Feng Zhu
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, China
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28
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Zhao TT, Yu WL, Feng ZT, Qin HN, Zheng HX, Xu PF. Photoredox/nickel dual catalyzed stereospecific synthesis of distal alkenyl ketones. Chem Commun (Camb) 2022; 58:1171-1174. [PMID: 34981102 DOI: 10.1039/d1cc06566a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The selective C-C bond deconstruction/refunctionalization via a photoredox/nickel dual-catalyzed hydroalkylation of alkynes is developed under mild reaction conditions. In this protocol, a broad range of alkyl- and aryl-alkynes could react smoothly with cycloalkanols, affording the corresponding distal and site-specific vinyl-substituted ketones with high yields and excellent regioselectivities. Moreover, DFT calculations verified that the electron-rich behavior of aromatics and weak Brønsted bases have a common effect on the photocatalytic oxidant ring-opening of cyclobutanols.
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Affiliation(s)
- Tian-Tian Zhao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Wan-Lei Yu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Zhi-Tao Feng
- Department of Chemistry, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | - Hao-Ni Qin
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Hai-Xue Zheng
- State Key Laboratory of Veterinary Etiological Biology, College of Veterinary Medicine, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China. .,State Key Laboratory of Veterinary Etiological Biology, College of Veterinary Medicine, Lanzhou University, Lanzhou 730000, P. R. China
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29
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Huang HM, Bellotti P, Erchinger JE, Paulisch TO, Glorius F. Radical Carbonyl Umpolung Arylation via Dual Nickel Catalysis. J Am Chem Soc 2022; 144:1899-1909. [PMID: 35041782 DOI: 10.1021/jacs.1c12199] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The formation of carbon-carbon bonds lies at the heart of synthetic organic chemistry and is widely applied to construct complex drugs, polymers, and materials. Despite its importance, catalytic carbonyl arylation remains comparatively underdeveloped, due to limited scope and functional group tolerance. Herein we disclose an umpolung strategy to achieve radical carbonyl arylation via dual catalysis. This redox-neutral approach provides a complementary method to construct Grignard-type products from (hetero)aryl bromides and aliphatic aldehydes, without the need for pre-functionalization. A sequential activation, hydrogen-atom transfer, and halogen atom transfer process could directly convert aldehydes to the corresponding ketyl-type radicals, which further react with aryl-nickel intermediates in an overall polarity-reversal process. This radical strategy tolerates─among others─acidic functional groups, heteroaryl motifs, and sterically hindered substrates and has been applied in the late-stage modification of drugs and natural products.
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Affiliation(s)
- Huan-Ming Huang
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Peter Bellotti
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Johannes E Erchinger
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Tiffany O Paulisch
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
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30
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Su YL, Liu GX, De Angelis L, He R, Al-Sayyed A, Schanze KS, Hu WH, Qiu H, Doyle MP. Radical Cascade Multicomponent Minisci Reactions with Diazo Compounds. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05611] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yong-Liang Su
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, Texas 78249, United States
| | - Geng-Xin Liu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Luca De Angelis
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, Texas 78249, United States
| | - Ru He
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, Texas 78249, United States
| | - Ammar Al-Sayyed
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, Texas 78249, United States
| | - Kirk S. Schanze
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, Texas 78249, United States
| | - Wen-Hao Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Huang Qiu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Michael P. Doyle
- Department of Chemistry, The University of Texas at San Antonio One UTSA Circle, San Antonio, Texas 78249, United States
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31
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Kancherla R, Muralirajan K, Rueping M. Excited-state palladium-catalysed reductive alkylation of imines: scope and mechanism. Chem Sci 2022; 13:8583-8589. [PMID: 35974758 PMCID: PMC9337745 DOI: 10.1039/d2sc02363f] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 07/01/2022] [Indexed: 11/21/2022] Open
Abstract
Palladium catalysis induced by visible-light irradiation is a promising tool for promoting unusual chemical reactivity. Here, the hybrid alkyl radical/Pd(i) species generated is used to promote the reductive alkylation of imines.
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Affiliation(s)
- Rajesh Kancherla
- KAUST Catalysis Center, KCC, King Abdullah University of Science and Technology, KAUST, Thuwal 23955-6900, Saudi Arabia
| | - Krishnamoorthy Muralirajan
- KAUST Catalysis Center, KCC, King Abdullah University of Science and Technology, KAUST, Thuwal 23955-6900, Saudi Arabia
| | - Magnus Rueping
- KAUST Catalysis Center, KCC, King Abdullah University of Science and Technology, KAUST, Thuwal 23955-6900, Saudi Arabia
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32
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Hu J, Zhu Z, Xie Z, Le Z. Recent Advances in Visible-Light-Induced Decarboxylative Coupling Reactions of α-Amino Acid Derivatives. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202110020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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33
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Xu L, Wang F, Chen F, Zhu S, Chu L. Recent Advances in Photoredox/Nickel Dual-Catalyzed Difunctionalization of Alkenes and Alkynes. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202109002] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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34
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Manna S, Kakumachi S, Das KK, Tsuchiya Y, Adachi C, Panda S. Mechanistic Dichotomy in Solvent Dependent Access to E vs Z-allylic Amines via Decarboxylative Vinylation of Amino Acids. Chem Sci 2022; 13:9678-9684. [PMID: 36091905 PMCID: PMC9400591 DOI: 10.1039/d2sc02090d] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/15/2022] [Indexed: 12/03/2022] Open
Abstract
The solvent plays an important role in the photophysical properties of donor–acceptor based photocatalysts. The solvent-dependent access to E vs. Z-allylic amines was achieved via decarboxylative vinylation of amino acids with vinyl sulfones. Detailed experimental studies have been conducted to understand the role of the solvent in the reactivity and stereoselectivity of the vinylation reactions. A solvent-dependent access to E vs. Z-allylic amines was achieved via decarboxylative vinylation of amino acids. Detailed experimental studies have been conducted to understand the role of the solvent in the reactivity and stereoselectivity of the vinylation reactions.![]()
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Affiliation(s)
- Samir Manna
- Department of Chemistry, Indian Institute of Technology Kharagpur Kharagpur 721302 India
| | - Shunta Kakumachi
- Department of Chemistry and Biochemistry, Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
- Center for Organic Photonics and Electronics Research (OPERA), Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Kanak Kanti Das
- Department of Chemistry, Indian Institute of Technology Kharagpur Kharagpur 721302 India
| | - Youichi Tsuchiya
- Center for Organic Photonics and Electronics Research (OPERA), Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Chihaya Adachi
- Department of Chemistry and Biochemistry, Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
- Center for Organic Photonics and Electronics Research (OPERA), Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Santanu Panda
- Department of Chemistry, Indian Institute of Technology Kharagpur Kharagpur 721302 India
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35
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Chan AY, Perry IB, Bissonnette NB, Buksh BF, Edwards GA, Frye LI, Garry OL, Lavagnino MN, Li BX, Liang Y, Mao E, Millet A, Oakley JV, Reed NL, Sakai HA, Seath CP, MacMillan DWC. Metallaphotoredox: The Merger of Photoredox and Transition Metal Catalysis. Chem Rev 2021; 122:1485-1542. [PMID: 34793128 DOI: 10.1021/acs.chemrev.1c00383] [Citation(s) in RCA: 460] [Impact Index Per Article: 153.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The merger of photoredox catalysis with transition metal catalysis, termed metallaphotoredox catalysis, has become a mainstay in synthetic methodology over the past decade. Metallaphotoredox catalysis has combined the unparalleled capacity of transition metal catalysis for bond formation with the broad utility of photoinduced electron- and energy-transfer processes. Photocatalytic substrate activation has allowed the engagement of simple starting materials in metal-mediated bond-forming processes. Moreover, electron or energy transfer directly with key organometallic intermediates has provided novel activation modes entirely complementary to traditional catalytic platforms. This Review details and contextualizes the advancements in molecule construction brought forth by metallaphotocatalysis.
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Affiliation(s)
- Amy Y Chan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Ian B Perry
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Noah B Bissonnette
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Benito F Buksh
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Grant A Edwards
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Lucas I Frye
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Olivia L Garry
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Marissa N Lavagnino
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Beryl X Li
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Yufan Liang
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Edna Mao
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Agustin Millet
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - James V Oakley
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Nicholas L Reed
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Holt A Sakai
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - Ciaran P Seath
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
| | - David W C MacMillan
- Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States
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36
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Lu FD, Chen J, Jiang X, Chen JR, Lu LQ, Xiao WJ. Recent advances in transition-metal-catalysed asymmetric coupling reactions with light intervention. Chem Soc Rev 2021; 50:12808-12827. [PMID: 34652345 DOI: 10.1039/d1cs00210d] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Transition metal-catalysed asymmetric coupling has been established as a robust tool for constructing complex organic molecules. Although this area has been extensively studied, the development of efficient protocols to construct stereogenic centres with excellent regio- and enantioselectivities is highly desirable and remains challenging. Asymmetric transition metal catalysis with light intervention provides a practical alternative strategy to current methods and considerably expands the synthetic utility as a result of abundant feedstocks and mild conditions. This tutorial review comprehensively summarizes the recent advances in transition-metal-catalysed asymmetric coupling reactions with light intervention; in particular, a concise analysis of substrate scope and the mechanistic scenarios governing stereocontrol is discussed.
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Affiliation(s)
- Fu-Dong Lu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China.
| | - Jun Chen
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China.
| | - Xuan Jiang
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China.
| | - Jia-Rong Chen
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China.
| | - Liang-Qiu Lu
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China.
| | - Wen-Jing Xiao
- CCNU-uOttawa Joint Research Centre, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan 430079, China. .,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, 345 Lingling Road, Shanghai 200032, China
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37
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Chalotra N, Kumar J, Naqvi T, Shah BA. Photocatalytic functionalizations of alkynes. Chem Commun (Camb) 2021; 57:11285-11300. [PMID: 34617556 DOI: 10.1039/d1cc04014f] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Visible light mediated functionalizations have significantly expanded the scope of alkynes by unraveling new mechanistic pathways and enabling their transformation to diverse structural entities. The photoredox reactions on alkynes rely on their innate capability to generate myriad carbon-centred radicals via single electron transfer (SET), thereby, allowing the introduction of new radical precursors. Moreover, an array of methods have been developed facilitating transformations such as vicinal or gem-difunctionalization, annulation, cycloaddition and oxidative reactions to construct numerous key building blocks of natural and pharmaceutically important molecules. In addition, the introduction of photoredox chemistry has successfully been used to deal with the challenges associated with alkyne functionalization such as stereoselective and regioselective control. This article accounts for several visible light mediated functionalization reactions of alkynes, wherein they have been transformed into α-oxo compounds, β-keto sulfoxides, substituted olefins, N-heterocycles, internal alkynes and sulfur containing compounds. The article has been primarily categorized into various sections based on the reaction type with particular attention being paid to mechanistic details, advancement and future applications.
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Affiliation(s)
- Neha Chalotra
- Academy of Scientific and Industrial Research (AcSIR), Ghaziabad 201002, India.,Natural Product & Medicinal Chemistry, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.
| | - Jaswant Kumar
- Academy of Scientific and Industrial Research (AcSIR), Ghaziabad 201002, India.,Natural Product & Medicinal Chemistry, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.
| | - Tahira Naqvi
- Govt. College for Women, MA Road, Srinagar 190001, India
| | - Bhahwal Ali Shah
- Academy of Scientific and Industrial Research (AcSIR), Ghaziabad 201002, India.,Natural Product & Medicinal Chemistry, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.
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38
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Maiti S, Rhlee JH. Reductive Ni-catalysis for stereoselective carboarylation of terminal aryl alkynes. Chem Commun (Camb) 2021; 57:11346-11349. [PMID: 34643192 DOI: 10.1039/d1cc04586e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stereoselective dicarbofunctionalization of terminal aryl alkynes has been achieved through reductive Ni-catalysis. The exclusive regioselective and anti-addition selective alkylarylation of terminal alkynes is accomplished using alkyl iodide and aryl iodide as electrophilic coupling partners in the presence of NiBr2 as the catalyst and Mn as an inexpensive reductant.
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Affiliation(s)
- Saikat Maiti
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea. .,Center for Genomic Integrity (CGI), Institute for Basic Science (IBS), 50 UNIST-gil, Ulsan 44919, Republic of Korea
| | - Joon Ho Rhlee
- Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan, 44919, Republic of Korea.
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39
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Xu J, Li Z, Xu Y, Shu X, Huo H. Stereodivergent Synthesis of Both Z- and E-Alkenes by Photoinduced, Ni-Catalyzed Enantioselective C(sp3)–H Alkenylation. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04314] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jitao Xu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Zhilong Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Yumin Xu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Xiaomin Shu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Haohua Huo
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
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40
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Chen Y, Zhu K, Huang Q, Lu Y. Regiodivergent sulfonylarylation of 1,3-enynes via nickel/photoredox dual catalysis. Chem Sci 2021; 12:13564-13571. [PMID: 34777776 PMCID: PMC8528021 DOI: 10.1039/d1sc04320j] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 09/18/2021] [Indexed: 12/17/2022] Open
Abstract
Catalytic difunctionalization of 1,3-enynes represents an efficient and versatile approach to rapidly assemble multifunctional propargylic compounds, allenes and 1,3-dienes. Controlling selectivity in such addition reactions has been a long-standing challenging task due to multiple reactive centers resulting from the conjugated structure of 1,3-enynes. Herein, we present a straightforward method for regiodivergent sulfonylarylation of 1,3-enynes via dual nickel and photoredox catalysis. Hinging on the nature of 1,3-enynes, diverse reaction pathways are feasible: synthesis of α-allenyl sulfones via 1,4-sulfonylarylation, or preparation of (E)-1,3-dienyl sulfones with high chemo-, regio- and stereoselectivity through 3,4-sulfonylarylation. Notably, this is the first example that nickel and photoredox catalysis are merged to achieve efficient and versatile difunctionalization of 1,3-enynes.
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Affiliation(s)
- Ya Chen
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Kun Zhu
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou Fujian 350207 China
| | - Qingqin Huang
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou Fujian 350207 China
| | - Yixin Lu
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou Fujian 350207 China
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Abstract
This paper describes a detailed mechanistic study of the silver-catalyzed Z-selective hydroalkylation of terminal alkynes. Considering the established mechanistic paradigms for Z-selective hydroalkylation of alkynes, we explored a mechanism based on the radical carbometalation of alkynes. Experimental results have provided strong evidence against the initially proposed radical mechanism and have led us to propose a new mechanism for the Z-selective hydroalkylation of alkynes based on boronate formation and a 1,2-metalate shift. The new mechanism provides a rationale for the excellent Z-selectivity observed in the reaction. A series of stoichiometric experiments has probed the feasibility of the proposed elementary steps and revealed an additional role of the silver catalyst in the protodeboration of an intermediate. Finally, a series of kinetic measurements, KIE experiments, and competition experiments allowed us to identify the turnover limiting step and the resting state of the catalyst. We believe that the results of this study will be useful in the further exploration and development of related transformations of alkynes.
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Affiliation(s)
- Mitchell T. Lee
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
| | - Gojko Lalic
- Department of Chemistry, University of Washington, Seattle, Washington 98195, United States
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42
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Zhu S, Zhao X, Li H, Chu L. Catalytic three-component dicarbofunctionalization reactions involving radical capture by nickel. Chem Soc Rev 2021; 50:10836-10856. [PMID: 34605828 DOI: 10.1039/d1cs00399b] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The catalytic dicarbofunctionalization of unsaturated π bonds represents a powerful platform for the rapid construction of complex motifs. Despite remarkable progress, novel and efficient methods for achieving such transformations under milder conditions with chemo-, regio-, and stereoselectivity still remain a significant challenge; thus, their development is highly desirable. Recently, the merging of nickel catalysis with radical chemistry offers a new and benign platform for the catalytic dicarbofunctionalization of unsaturated π bonds with unprecedented reactivity and selectivity. In this review, we summarize the recent advances in this area by underpinning the catalytic domino transformations involving radical capture by nickel to provide a clear overview of reaction designs and mechanistic scenarios.
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Affiliation(s)
- Shengqing Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
| | - Xian Zhao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
| | - Huan Li
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
| | - Lingling Chu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-Dimension Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
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43
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Zhang L, Chen S, He H, Li W, Zhu C, Xie J. Photoredox/nickel-catalyzed hydroacylation of ethylene with aromatic acids. Chem Commun (Camb) 2021; 57:9064-9067. [PMID: 34498636 DOI: 10.1039/d1cc04188f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a general, practical and scalable hydroacylation reaction of ethylene with aromatic carboxylic acids with the synergistic combination of nickel and photoredox catalysis. Under ambient temperature and pressure, feedstock chemicals such as ethylene can be converted into high-value-added aromatic ketones in moderate to good yields (up to 92%) with reaction time of 2-6 hours.
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Affiliation(s)
- Lili Zhang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Shuai Chen
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Hengchi He
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Weipeng Li
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Chengjian Zhu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China. .,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 200032, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Jin Xie
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China. .,Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, China
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44
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Chen Y, Wang J, Lu Y. Decarboxylative 1,4-carbocyanation of 1,3-enynes to access tetra-substituted allenes via copper/photoredox dual catalysis. Chem Sci 2021; 12:11316-11321. [PMID: 34667542 PMCID: PMC8447876 DOI: 10.1039/d1sc02896k] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/20/2021] [Indexed: 12/13/2022] Open
Abstract
We disclose herein the first example of merging photoredox catalysis and copper catalysis for radical 1,4-carbocyanations of 1,3-enynes. Alkyl N-hydroxyphthalimide esters are utilized as radical precursors, and the reported mild and redox-neutral protocol has broad substrate scope and remarkable functional group tolerance. This strategy allows for the synthesis of diverse multi-substituted allenes with high chemo- and regio-selectivities, also permitting late stage allenylation of natural products and drug molecules.
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Affiliation(s)
- Ya Chen
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Junjie Wang
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore .,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou Fujian 350207 China
| | - Yixin Lu
- Department of Chemistry, National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore .,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou Fujian 350207 China
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45
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Neveselý T, Wienhold M, Molloy JJ, Gilmour R. Advances in the E → Z Isomerization of Alkenes Using Small Molecule Photocatalysts. Chem Rev 2021; 122:2650-2694. [PMID: 34449198 DOI: 10.1021/acs.chemrev.1c00324] [Citation(s) in RCA: 155] [Impact Index Per Article: 51.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Geometrical E → Z alkene isomerization is intimately entwined in the historical fabric of organic photochemistry and is enjoying a renaissance (Roth et al. Angew. Chem., Int. Ed. Engl. 1989 28, 1193-1207). This is a consequence of the fundamental stereochemical importance of Z-alkenes, juxtaposed with frustrations in thermal reactivity that are rooted in microscopic reversibility. Accessing excited state reactivity paradigms allow this latter obstacle to be circumnavigated by exploiting subtle differences in the photophysical behavior of the substrate and product chromophores: this provides a molecular basis for directionality. While direct irradiation is operationally simple, photosensitization via selective energy transfer enables augmentation of the alkene repertoire to include substrates that are not directly excited by photons. Through sustained innovation, an impressive portfolio of tailored small molecule catalysts with a range of triplet energies are now widely available to facilitate contra-thermodynamic and thermo-neutral isomerization reactions to generate Z-alkene fragments. This review is intended to serve as a practical guide covering the geometric isomerization of alkenes enabled by energy transfer catalysis from 2000 to 2020, and as a logical sequel to the excellent treatment by Dugave and Demange (Chem. Rev. 2003 103, 2475-2532). The mechanistic foundations underpinning isomerization selectivity are discussed together with induction models and rationales to explain the counterintuitive directionality of these processes in which very small energy differences distinguish substrate from product. Implications for subsequent stereospecific transformations, application in total synthesis, regioselective polyene isomerization, and spatiotemporal control of pre-existing alkene configuration in a broader sense are discussed.
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Affiliation(s)
- Tomáš Neveselý
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Münster, Germany
| | - Max Wienhold
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Münster, Germany
| | - John J Molloy
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Münster, Germany
| | - Ryan Gilmour
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Münster, Germany
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46
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Sahoo AK, Dahiya A, Das B, Behera A, Patel BK. Visible-Light-Mediated Difunctionalization of Alkynes: Synthesis of β-Substituted Vinylsulfones Using O- and S-Centered Nucleophiles. J Org Chem 2021; 86:11968-11986. [PMID: 34346693 DOI: 10.1021/acs.joc.1c01350] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An inimitable illustration of a green-light-induced, regioselective difunctionalization of terminal alkynes has been disclosed using sodium arylsulfinates and carboxylic acids in the presence of eosin Y as the photocatalyst. The present methodology is further demonstrated by employing NH4SCN as an S-centered nucleophile instead of carboxylic acid. The mechanistic investigation reveals a radical-induced iodosulfonylation followed by a base-mediated nucleophilic substitution. The mechanism is supported by various studies, viz., radical-trapping experiment, fluorescence quenching, and CV studies. In this protocol, (Z)-β-substituted vinylsulfones are obtained, exclusively covering a broad range of alkynes and nucleophiles, which are often unaddressed. The present strategy can tolerate structurally discrete substrates with steric bulk and different electronic properties, which provides a straightforward and practical pathway for the synthesis of highly functionalized (Z)-β-substituted vinylsulfones. Herein, C-O and C-S bonds are assembled simultaneously with the concomitant introduction of important functional groups, viz., ester, thiocyanate, and sulfone.
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Affiliation(s)
- Ashish Kumar Sahoo
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Anjali Dahiya
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Bubul Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Ahalya Behera
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Bhisma K Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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47
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Zeng L, Jin J, He J, Cui S. Photo-induced synthesis of β-sulfonyl imides from carboxylic acids. Chem Commun (Camb) 2021; 57:6792-6795. [PMID: 34137749 DOI: 10.1039/d1cc02559g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A photo-induced imidation process of carboxylic acids is described. Numerous carboxylic acids could convert to β-sulfonyl imides in the presence of N-sulfonyl ynamides under visible light irradiation. Control experiments and mechanistic studies demonstrate that this imidation process involves a hydroacyloxylation/radical rearrangement cascade. This protocol represents a direct imidation method from carboxylic acids under mild conditions, with broad scope and high atom-economy.
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Affiliation(s)
- Linwei Zeng
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Jian Jin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Jixiao He
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
| | - Sunliang Cui
- Institute of Drug Discovery and Design, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China.
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48
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Zheng L, Xue H, Zhou B, Luo SP, Jin H, Liu Y. Single Cu(I)-Photosensitizer Enabling Combination of Energy-Transfer and Photoredox Catalysis for the Synthesis of Benzo[ b]fluorenols from 1,6-Enynes. Org Lett 2021; 23:4478-4482. [PMID: 33988383 DOI: 10.1021/acs.orglett.1c01427] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient, mild, and atom-economical synthesis of benzo[b]fluorenols from 1,6-enynes has been developed under photocatalytic conditions. A single P/N heteroleptic Cu(I)-photosensitizer might exhibit both energy-transfer and photoredox catalytic activities in the formation of benzo[b]fluorenols.
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Affiliation(s)
- Limeng Zheng
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Han Xue
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Bingwei Zhou
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Shu-Ping Luo
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Hongwei Jin
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yunkui Liu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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49
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Jiang Y, Pan J, Yang T, Zhao Y, Koh MJ. Nickel-catalyzed site- and stereoselective reductive alkylalkynylation of alkynes. Chem 2021. [DOI: 10.1016/j.chempr.2020.12.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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50
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Ni-catalyzed regio- and stereo-defined intermolecular cross-electrophile dialkylation of alkynes without directing group. Nat Commun 2021; 12:928. [PMID: 33568646 PMCID: PMC7876002 DOI: 10.1038/s41467-021-21083-w] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 01/11/2021] [Indexed: 01/28/2023] Open
Abstract
The development of straightforward synthesis of regio- and stereodefined alkenes with multiple aliphatic substituents under mild conditions is an unmet challenge owing to competitive β-hydride elimination and selectivity issues. Herein, we report the nickel-catalyzed intermolecular cross-dialkylation of alkynes devoid of directing or activating groups to afford multiple aliphatic substituted alkenes in a syn-selective fashion at room temperature. The combination of two-electron oxidative cyclometallation and single-electron cross-electrophile coupling of nickel enables the syn-cross-dialkylation of alkynes at room temperature. This reductive protocol enables the sequential installation of two different alkyl substituents onto alkynes in a regio- and stereo-selective manner, circumventing the tedious preformation of sensitive organometallic reagents. The synthetic utility of this protocol is demonstrated by efficient synthesis of multi-substituted unfunctionalized alkenes and diverse transformations of the product.
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