1
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Jansen-van Vuuren RD, Liu S, Miah MAJ, Cerkovnik J, Košmrlj J, Snieckus V. The Versatile and Strategic O-Carbamate Directed Metalation Group in the Synthesis of Aromatic Molecules: An Update. Chem Rev 2024; 124:7731-7828. [PMID: 38864673 PMCID: PMC11212060 DOI: 10.1021/acs.chemrev.3c00923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 04/26/2024] [Accepted: 05/08/2024] [Indexed: 06/13/2024]
Abstract
The aryl O-carbamate (ArOAm) group is among the strongest of the directed metalation groups (DMGs) in directed ortho metalation (DoM) chemistry, especially in the form Ar-OCONEt2. Since the last comprehensive review of metalation chemistry involving ArOAms (published more than 30 years ago), the field has expanded significantly. For example, it now encompasses new substrates, solvent systems, and metalating agents, while conditions have been developed enabling metalation of ArOAm to be conducted in a green and sustainable manner. The ArOAm group has also proven to be effective in the anionic ortho-Fries (AoF) rearrangement, Directed remote metalation (DreM), iterative DoM sequences, and DoM-halogen dance (HalD) synthetic strategies and has been transformed into a diverse range of functionalities and coupled with various groups through a range of cross-coupling (CC) strategies. Of ultimate value, the ArOAm group has demonstrated utility in the synthesis of a diverse range of bioactive and polycyclic aromatic compounds for various applications.
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Affiliation(s)
- Ross D. Jansen-van Vuuren
- Department
of Chemistry, Queen’s University, Chernoff Hall, 9 Bader Lane, Kingston, Ontario K7K 2N1, Canada
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
| | - Susana Liu
- Department
of Chemistry, Queen’s University, Chernoff Hall, 9 Bader Lane, Kingston, Ontario K7K 2N1, Canada
| | - M. A. Jalil Miah
- Department
of Chemistry, Rajshahi University, Rajshahi-6205, Bangladesh
| | - Janez Cerkovnik
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
| | - Janez Košmrlj
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
| | - Victor Snieckus
- Department
of Chemistry, Queen’s University, Chernoff Hall, 9 Bader Lane, Kingston, Ontario K7K 2N1, Canada
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2
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Kubo M, Yamaguchi J. Divergent Transformations of Aromatic Esters: Decarbonylative Coupling, Ester Dance, Aryl Exchange, and Deoxygenative Coupling. Acc Chem Res 2024; 57:1747-1760. [PMID: 38819671 PMCID: PMC11191398 DOI: 10.1021/acs.accounts.4c00233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/18/2024] [Accepted: 05/21/2024] [Indexed: 06/01/2024]
Abstract
ConspectusAromatic esters are cost-effective, versatile, and commonly used scaffolds that are readily synthesized or encountered as synthetic intermediates. While most conventional reactions involving these esters are nucleophilic acyl substitutions or 1,2-nucleophilic additions─where a nucleophile attacks the carbonyl group, decarbonylative transformations offer an alternative pathway by using the carbonyl group as a leaving group. This transition-metal-catalyzed process typically begins with oxidative addition of the C(acyl)-O bond to the metal. Subsequently, the reaction involves the migration of CO to the metal center, the reaction with a nucleophile, and reductive elimination to yield the final product. Pioneering work by Yamamoto on nickel complexes and the development of decarbonylative reactions (such as Mizoroki-Heck-type olefination) using aromatic carboxylic anhydrides catalyzed by palladium were conducted by de Vries and Stephan. Furthermore, reports have surfaced of decarbonylative hydrogenation of pyridyl methyl esters by Murai using ruthenium catalysts as well as Mizoroki-Heck-type reactions of nitro phenyl esters by Gooßen under palladium catalysis. Our group has been at the forefront of developing decarbonylative C-H arylations of phenyl esters with 1,3-azoles and aryl boronic acids using nickel catalysts. The key to this reaction is the use of phenyl esters, which are easy to synthesize, stabilize, and handle, allowing oxidative addition of the C(acyl)-O bond; nickel, which facilitates oxidative addition of the C(acyl)-O bond; and suitable bidentate phosphine ligands that can stabilize the intermediate. By modification of the nucleophiles, esters have been effectively utilized as electrophiles in cross-coupling reactions, encouraging the development of these nucleophiles among researchers. This Account summarizes our advancements in nucleophile development for decarbonylative coupling reactions, particularly highlighting the utilization of aromatic esters in diverse reactions such as alkenylation, intramolecular etherification, α-arylation of ketones, C-H arylation, methylation, and intramolecular C-H arylation for dibenzofuran synthesis, along with cyanation and reductive coupling. We also delve into reaction types that are distinct from typical decarbonylative reactions, including ester dance reactions, aromatic ring exchanges, and deoxygenative transformations, by focusing on the oxidative addition of the C(acyl)-O bond of the aromatic esters to the metal complex. For example, the ester dance reaction is hypothesized to undergo 1,2-translocation starting with oxidative addition to a palladium complex, leading to a sequence of ortho-deprotonation/decarbonylation, followed by protonation, carbonylation, and reductive elimination. The aromatic exchange reaction likely involves oxidative addition of complexes of different aryl electrophiles with a nickel complex. In deoxygenative coupling, an oxidative addition complex with palladium engages with a nucleophile, forming an acyl intermediate that undergoes reductive elimination in the presence of an appropriate reducing agent. These methodologies are poised to captivate the interest of synthetic chemists by offering unconventional and emerging approaches for transforming aromatic esters. Moreover, we demonstrated the potential to transform readily available basic chemicals into new compounds through organic synthesis.
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Affiliation(s)
- Masayuki Kubo
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
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3
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Iizumi K, Tanaka H, Muto K, Yamaguchi J. Palladium-Catalyzed Denitrative Synthesis of Aryl Nitriles from Nitroarenes and Organocyanides. Org Lett 2024; 26:3977-3981. [PMID: 38683691 DOI: 10.1021/acs.orglett.4c01118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
A denitrative cyanation of nitroarenes using organocyanides and a palladium catalyst was developed. The key for this reaction was the utilization of an aminoacetonitrile as a cyano source to avoid the generation of stoichiometric metal- and halogen-containing chemical waste. A wide range of nitroarenes, including heteroarenes and pharmaceutical molecules, can be converted into aryl nitriles.
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Affiliation(s)
- Keiichiro Iizumi
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Hiroki Tanaka
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Kei Muto
- Waseda Institute for Advanced Study, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
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4
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Oeser P, Tobrman T. Organophosphates as Versatile Substrates in Organic Synthesis. Molecules 2024; 29:1593. [PMID: 38611872 PMCID: PMC11154425 DOI: 10.3390/molecules29071593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
This review summarizes the applications of organophosphates in organic synthesis. After a brief introduction, it discusses cross-coupling reactions, including both transition-metal-catalyzed and transition-metal-free substitution reactions. Subsequently, oxidation and reduction reactions are described. In addition, this review highlights the applications of organophosphates in the synthesis of natural compounds, demonstrating their versatility and importance in modern synthetic chemistry.
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Affiliation(s)
| | - Tomáš Tobrman
- Department of Organic Chemistry, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6, Czech Republic;
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5
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Yan Y, Wang P, Wang Y, Dong J, Li G, Wang C, Xue D. Light-Triggered, Ni-Catalyzed Cyanation of Aryl Triflates with 1,4-Dicyanobenzene as the CN Source. Org Lett 2024; 26:1370-1375. [PMID: 38358108 DOI: 10.1021/acs.orglett.3c04294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
A light-triggered, Ni-catalyzed cyanation of aryl triflates was herein reported, which provides a benign photochemical synthesis of aryl nitriles using 1,4-dicyanobenzene as the CN source instead of HCN or a metallic CN source. This mild method uses a readily available bisphosphine ligand and a soluble organosilicon reagent as the reductant and is carried out under purple light without an external photocatalyst. This cyanation was effective for aryl triflates derived from phenols and bisphenols as well as lignin-derived phenolic compounds, demonstrating its potential utility for the synthesis of aryl nitriles from biomass.
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Affiliation(s)
- Yonggang Yan
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Pengpeng Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Yuying Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jianyang Dong
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Gang Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
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6
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Zhang G, Miao H, Guan C, Ding C. Palladium-Catalyzed Direct Decarbonylative Cyanation of Aryl Carboxylic Acids. J Org Chem 2022; 87:12791-12798. [PMID: 36094820 DOI: 10.1021/acs.joc.2c01401] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The direct transformation of aryl carboxylic acids to aryl nitrile compounds is an interesting topic because carboxylic acids are not only abundant in nature but are also inexpensive and stable. Here, the synthesis of a series of aryl nitriles by palladium-catalyzed decarbonylative cyanation of carboxylic acids without base has been achieved. The successful decarbonylative cyanation of drug molecules and Gram-scale reaction to verify the practicality and operability of this method are analyzed.
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Affiliation(s)
- Guofu Zhang
- College of Chemical Engineering, Zhejiang University of Technology, Huzhou 313299, People's Republic of China
| | - Huihui Miao
- College of Chemical Engineering, Zhejiang University of Technology, Huzhou 313299, People's Republic of China
| | - Chenfei Guan
- College of Chemical Engineering, Zhejiang University of Technology, Huzhou 313299, People's Republic of China
| | - Chengrong Ding
- College of Chemical Engineering, Zhejiang University of Technology, Huzhou 313299, People's Republic of China
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7
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Xu T, Li W, Zhang K, Han Y, Liu L, Huang T, Li C, Tang Z, Chen T. Palladium-Catalyzed Decarbonylative Cyanation of Carboxylic Acids with TMSCN. J Org Chem 2022; 87:11871-11879. [PMID: 35951542 DOI: 10.1021/acs.joc.2c01375] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The direct decarbonylative cyanation of benzoic acids with TMSCN was achieved through palladium catalysis. By this strategy, a wide range of nitriles including those with functional groups was synthesized in good to high yields. Moreover, this reaction applied to modifying bioactive molecules such as adapalene, probenecid, telmisartan, and 3-methylflavone-8-carboxylic acid. These results demonstrate that this new reaction has potential synthetic value in organic synthesis.
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Affiliation(s)
- Tianhao Xu
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Wenhui Li
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Kang Zhang
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Yuhui Han
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Long Liu
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Tianzeng Huang
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Chunya Li
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Zhi Tang
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
| | - Tieqiao Chen
- Key Laboratory of the Ministry of Education for Advanced Materials in Tropical Island Resources, Hainan Provincial Key Laboratory of Fine Chemistry, Hainan Provincial Fine Chemical Engineering Research Center, Hainan University, Haikou 570228, China
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8
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Cetin HK, Baytaroglu C. The Impact of Age on Percutaneous Thrombectomy Outcomes in the Management of Lower Extremity Deep Vein Thrombosis. HASEKI TIP BÜLTENI 2022. [DOI: 10.4274/haseki.galenos.2022.8233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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9
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Toupalas G, Morandi B. Non-innocent electrophiles unlock exogenous base-free coupling reactions. Nat Catal 2022. [DOI: 10.1038/s41929-022-00770-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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10
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Long Y, Zheng Y, Xia Y, Qu L, Yang Y, Xiang H, Zhou X. Nickel-Catalyzed Synthesis of an Aryl Nitrile via Aryl Exchange between an Aromatic Amide and a Simple Nitrile. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01029] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yang Long
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Yanling Zheng
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Ying Xia
- West China School of Public Health and West China Fourth Hospital and State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610064, P. R. China
| | - Lang Qu
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Yuhe Yang
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Haifeng Xiang
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xiangge Zhou
- College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
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11
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Yan Y, Sun J, Li G, Yang L, Zhang W, Cao R, Wang C, Xiao J, Xue D. Photochemically Enabled, Ni-Catalyzed Cyanation of Aryl Halides. Org Lett 2022; 24:2271-2275. [PMID: 35316067 DOI: 10.1021/acs.orglett.2c00203] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A light-promoted Ni-catalyzed cyanation of aryl halides employing 1,4-dicyanobenzene as a cyanating agent is reported. A broad array of aryl bromides, chlorides, and druglike molecules could be converted into their corresponding nitriles (65 examples). Mechanistic studies suggest that upon irradiation, the oxidative addition product Ni(II)(dtbbpy)(p-C6H4CN)(CN) undergoes homolytic cleavage of the Ni-aryl bond to generate an aryl radical and a Ni(I)-CN species, the latter of which initiates subsequent cyanation reactions.
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Affiliation(s)
- Yonggang Yan
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Jinjin Sun
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Gang Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Liu Yang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Wei Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Rui Cao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, United Kingdom
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
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12
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Song G, Xue D. Research Progress on Light-Promoted Transition Metal-Catalyzed C-Heteroatom Bond Coupling Reactions. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202202018] [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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13
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Zeng X, Zhang Q, Wu X, Zhang J, Zhang X, Huang X. Nickel-Catalyzed Heck Reaction of Cycloalkenes with Inert C—O Bonds of Aryl Carbonates and Aryl Sulfamates. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202204034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
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14
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Liu Y, Mo X, Majeed I, Zhang M, Wang H, Zeng Z. An Efficient and Straightforward Approach for Accessing Thioesters via Palladium-Catalyzed C-N Cleavage of Thioamides. Org Biomol Chem 2022; 20:1532-1537. [DOI: 10.1039/d1ob02349g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We first report the coupling of activated thioamides with alcohols to efficiently form thioesters via palladium-catalyzed C-N cleavage strategy. The new approach employs the thioamides as thioacylating reagent to give...
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15
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Delcaillau T, Woenckhaus-Alvarez A, Morandi B. Nickel-Catalyzed Cyanation of Aryl Thioethers. Org Lett 2021; 23:7018-7022. [PMID: 34433260 DOI: 10.1021/acs.orglett.1c02285] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A nickel-catalyzed cyanation of aryl thioethers using Zn(CN)2 as a cyanide source has been developed to access functionalized aryl nitriles. The ligand dcype (1,2-bis(dicyclohexylphosphino)ethane) in combination with the base KOAc (potassium acetate) is essential for achieving this transformation efficiently. This reaction involves both a C-S bond activation and a C-C bond formation. The scalability, low catalyst and reagents loadings, and high functional group tolerance have enabled both late-stage derivatization and polymer recycling, demonstrating the reaction's utility across organic chemistry.
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Affiliation(s)
| | | | - Bill Morandi
- ETH Zürich, Vladimir-Prelog-Weg 3, HCI, 8093 Zürich, Switzerland
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16
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Isshiki R, Kurosawa MB, Muto K, Yamaguchi J. Ni-Catalyzed Aryl Sulfide Synthesis through an Aryl Exchange Reaction. J Am Chem Soc 2021; 143:10333-10340. [PMID: 34181399 DOI: 10.1021/jacs.1c04215] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A Ni-catalyzed aryl sulfide synthesis through an aryl exchange reaction between aryl sulfides and a variety of aryl electrophiles was developed. By using 2-pyridyl sulfide as a sulfide donor, this reaction achieved the synthesis of aryl sulfides without using odorous and toxic thiols. The use of a Ni/dcypt catalyst capable of cleaving and forming aryl-S bonds was important for the aryl exchange reaction between 2-pyridyl sulfides and aryl electrophiles, which include aromatic esters, arenol derivatives, and aryl halides. Mechanistic studies revealed that Ni/dcypt can simultaneously undergo oxidative additions of aryl sulfides and aromatic esters, followed by ligand exchange between the generated aryl-Ni-SR and aryl-Ni-OAr species to furnish aryl exchanged compounds.
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Affiliation(s)
- Ryota Isshiki
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Miki B Kurosawa
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Kei Muto
- Waseda Institute for Advanced Study, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 513 Wasedatsurumakicho, Shinjuku, Tokyo 162-0041, Japan
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17
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Wei L, Wang ZH, Jiao KJ, Liu D, Ma C, Fang P, Mei TS. Esterification of Carboxylic Acids with Aryl Halides via the Merger of Paired Electrolysis and Nickel Catalysis. J Org Chem 2021; 86:15906-15913. [PMID: 33769061 DOI: 10.1021/acs.joc.1c00204] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Electrochemistry has been successfully applied in metal catalysis to avoid the usage of chemical redox agents. This strategy proved to be a powerful approach to construct carbon-carbon (C-C) and carbon-heteroatom (C-X) bonds. However, most of the developed methods are based on either anodic oxidation or cathodic reduction, in which a sacrificial reaction occurs at the counter electrode. Paired electrolysis merging with metal catalysis is underdeveloped, wherein both anodic and cathodic processes are taking place simultaneously. Herein, we demonstrated that by using esterification of carboxylic acids with aryl halides via paired electrolysis using nickel as the catalyst the respective aryl esters were obtained in good to excellent yields at room temperature in an undivided electrochemical cell.
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Affiliation(s)
- Lei Wei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Zhen-Hua Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Ke-Jin Jiao
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Dong Liu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Cong Ma
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Ping Fang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Tian-Sheng Mei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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18
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Pimparkar S, Koodan A, Maiti S, Ahmed NS, Mostafa MMM, Maiti D. C–CN bond formation: an overview of diverse strategies. Chem Commun (Camb) 2021; 57:2210-2232. [DOI: 10.1039/d0cc07783f] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Aim for cyanation: a comprehensive overview on various approaches on C–CN bond formation in arenes/heteroarenes by activated halides/pseudohalide, directed, non-directed, electro-catalyzed, photoredox-catalyzed, and radical approaches.
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Affiliation(s)
| | | | | | - Nesreen S. Ahmed
- Department of Therapeutic Chemistry
- National Research Centre
- Cairo-12622
- Egypt
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19
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He Z, Wang Z, Ru J, Wang Y, Liu T, Zeng Z. A Strategy for Accessing Aldehydes
via
Palladium‐Catalyzed C−O/C−N Bond Cleavage in the Presence of Hydrosilanes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000794] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zhanyu He
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Zijia Wang
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Junxiang Ru
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Yulin Wang
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Tingting Liu
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Zhuo Zeng
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Science 345 Lingling Road Shanghai 200032 China
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20
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Yamaguchi J, Iizumi K, Kurosawa MB, Isshiki R, Muto K. Decarbonylative Synthesis of Aryl Nitriles from Aromatic Esters and Organocyanides by a Nickel Catalyst. Synlett 2020. [DOI: 10.1055/s-0040-1705943] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AbstractA decarbonylative cyanation of aromatic esters with aminoacetonitriles in the presence of a nickel catalyst was developed. The key to this reaction was the use of a thiophene-based diphosphine ligand, dcypt, permitting the synthesis of aryl nitrile without the generation of stoichiometric metal- or halogen-containing chemical wastes. A wide range of aromatic esters, including hetarenes and pharmaceutical molecules, can be converted into aryl nitriles.
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Affiliation(s)
| | | | | | | | - Kei Muto
- Institute for Advanced Study, Waseda University
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21
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Affiliation(s)
- Yoshiaki Nakao
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University Katsura, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
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22
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Hu W, Pan S, Xu X, Vicic DA, Qing F. Nickel‐Mediated Trifluoromethylation of Phenol Derivatives by Aryl C−O Bond Activation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004116] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wei‐Qiang Hu
- Key Laboratory of Organofluorine Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Science Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Shen Pan
- Key Laboratory of Organofluorine Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Science Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Xiu‐Hua Xu
- Key Laboratory of Organofluorine Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Science Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - David A. Vicic
- Department of Chemistry Lehigh University 6 E. Packer Avenue Bethlehem PA 18015 USA
| | - Feng‐Ling Qing
- Key Laboratory of Organofluorine Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Science Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
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23
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Qiu Z, Li CJ. Transformations of Less-Activated Phenols and Phenol Derivatives via C–O Cleavage. Chem Rev 2020; 120:10454-10515. [DOI: 10.1021/acs.chemrev.0c00088] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Zihang Qiu
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Chao-Jun Li
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
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24
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Kanchana U, Mathew TV, Anilkumar G. Recent advances and prospects in the nickel- catalyzed cyanation. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121337] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Hu WQ, Pan S, Xu XH, Vicic DA, Qing FL. Nickel-Mediated Trifluoromethylation of Phenol Derivatives by Aryl C-O Bond Activation. Angew Chem Int Ed Engl 2020; 59:16076-16082. [PMID: 32452144 DOI: 10.1002/anie.202004116] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/15/2020] [Indexed: 12/18/2022]
Abstract
The increasing pharmaceutical importance of trifluoromethylarenes has stimulated the development of more efficient trifluoromethylation reactions. Tremendous efforts have focused on copper- and palladium-mediated/catalyzed trifluoromethylation of aryl halides. In contrast, no general method exists for the conversion of widely available inert electrophiles, such as phenol derivatives, into the corresponding trifluoromethylated arenes. Reported herein is a practical nickel-mediated trifluoromethylation of phenol derivatives with readily available trimethyl(trifluoromethyl)silane (TMSCF3 ). The strategy relies on PMe3 -promoted oxidative addition and transmetalation, and CCl3 CN-induced reductive elimination. The broad utility of this transformation has been demonstrated through the direct incorporation of trifluoromethyl into aromatic and heteroaromatic systems, including biorelevant compounds.
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Affiliation(s)
- Wei-Qiang Hu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Shen Pan
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - Xiu-Hua Xu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
| | - David A Vicic
- Department of Chemistry, Lehigh University, 6 E. Packer Avenue, Bethlehem, PA, 18015, USA
| | - Feng-Ling Qing
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, China
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26
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Mo Y, Lu Z, Rughoobur G, Patil P, Gershenfeld N, Akinwande AI, Buchwald SL, Jensen KF. Microfluidic electrochemistry for single-electron transfer redox-neutral reactions. Science 2020; 368:1352-1357. [DOI: 10.1126/science.aba3823] [Citation(s) in RCA: 110] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 04/20/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Yiming Mo
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Zhaohong Lu
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Girish Rughoobur
- Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Prashant Patil
- Center for Bits and Atoms, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Neil Gershenfeld
- Center for Bits and Atoms, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Akintunde I. Akinwande
- Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Stephen L. Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Klavs F. Jensen
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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27
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Dou Q, Li CJ, Zeng H. Photoinduced transition-metal- and external-photosensitizer-free intramolecular aryl rearrangement via C(Ar)-O bond cleavage. Chem Sci 2020; 11:5740-5744. [PMID: 32864086 PMCID: PMC7425081 DOI: 10.1039/d0sc01585g] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 05/14/2020] [Indexed: 01/11/2023] Open
Abstract
The use of photochemical reactions that do not require expensive photocatalysts or transition metals is an environmentally friendly strategy for accomplishing a variety of structural transformations. Herein, we report a protocol for photoinduced transition-metal- and external-photocatalyst-free intramolecular heteroaryl/aryl rearrangement reactions of 2-heteroaryl/aryloxybenzaldehydes. The protocol was compatible with a variety of functionalities, including methyl, methoxy, cyano, ester, trifluoromethyl, halogen, and heteroaromatic rings. Control experiments suggested that the reaction proceeded via a photoinduced intramolecular heteroaryl/aryl rearrangement process involving photoexcitation of the aldehyde carbonyl group, radical addition, C-C bond formation and C(Ar)-O bond cleavage.
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Affiliation(s)
- Qian Dou
- The State Key Laboratory of Applied Organic Chemistry , College of Chemistry and Chemical Engineering , Lanzhou University , 222 Tianshui Road , Lanzhou , 730000 , P. R. China .
| | - Chao-Jun Li
- Department of Chemistry and FQRNT Centre for Green Chemistry and Catalysis , McGill University , 801 Sherbrooke St. West , Montreal , Quebec H3A 0B8 , Canada
| | - Huiying Zeng
- The State Key Laboratory of Applied Organic Chemistry , College of Chemistry and Chemical Engineering , Lanzhou University , 222 Tianshui Road , Lanzhou , 730000 , P. R. China .
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28
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Clevenger AL, Stolley RM, Aderibigbe J, Louie J. Trends in the Usage of Bidentate Phosphines as Ligands in Nickel Catalysis. Chem Rev 2020; 120:6124-6196. [DOI: 10.1021/acs.chemrev.9b00682] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Andrew L. Clevenger
- Department of Chemistry, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112, United States
| | - Ryan M. Stolley
- Department of Chemistry, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112, United States
| | - Justis Aderibigbe
- Department of Chemistry, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112, United States
| | - Janis Louie
- Department of Chemistry, University of Utah, 315 S 1400 E, Salt Lake City, Utah 84112, United States
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29
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Liu F, Jiang H, Zhou Y, Shi Z. Direct Transformation of Arenols Based on C—O Activation. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.201900506] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Feng Liu
- School of Perfume and Aroma Technology, Shanghai Institute of Technology 100 Haiquan Rd Shanghai 201418 China
- Department of ChemistryFudan University 2005 Honghu Rd Shanghai 200438 China
| | - Hao‐jun Jiang
- School of Perfume and Aroma Technology, Shanghai Institute of Technology 100 Haiquan Rd Shanghai 201418 China
| | - Yi Zhou
- School of Perfume and Aroma Technology, Shanghai Institute of Technology 100 Haiquan Rd Shanghai 201418 China
| | - Zhang‐jie Shi
- Department of ChemistryFudan University 2005 Honghu Rd Shanghai 200438 China
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30
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Isshiki R, Inayama N, Muto K, Yamaguchi J. Ester Transfer Reaction of Aromatic Esters with Haloarenes and Arenols by a Nickel Catalyst. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00291] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ryota Isshiki
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Naomi Inayama
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Kei Muto
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
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31
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Takahashi Y, Tsuji H, Kawatsura M. Nickel-Catalyzed Transformation of Alkene-Tethered Oxime Ethers to Nitriles by a Traceless Directing Group Strategy. J Org Chem 2020; 85:2654-2665. [PMID: 31876416 DOI: 10.1021/acs.joc.9b02705] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Nickel-catalyzed transformation of alkene-tethered oxime ethers to nitriles using a traceless directing group strategy has been developed. A series of alkene-tethered oxime ethers derived from benzaldehyde and cinnamyl aldehyde derivatives were converted into the corresponding benzonitriles and cinnamonitriles in 46-98% yields using the nickel catalyst system. Control experiments showed that the alkene group tethered to an oxygen atom on the oximes via one methylene unit plays a key role as a traceless directing group during the catalysis.
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Affiliation(s)
- Yoshiyuki Takahashi
- Department of Chemistry, College of Humanities & Sciences , Nihon University , Sakurajosui, Setagaya-ku , Tokyo 156-8550 , Japan
| | - Hiroaki Tsuji
- Department of Chemistry, College of Humanities & Sciences , Nihon University , Sakurajosui, Setagaya-ku , Tokyo 156-8550 , Japan
| | - Motoi Kawatsura
- Department of Chemistry, College of Humanities & Sciences , Nihon University , Sakurajosui, Setagaya-ku , Tokyo 156-8550 , Japan
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32
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Li X, Wang S, Zang J, Liu M, Jiang G, Ji F. Copper- and DMF-mediated switchable oxidative C–H cyanation and formylation of imidazo[1,2-a]pyridines using ammonium iodide. Org Biomol Chem 2020; 18:9100-9108. [DOI: 10.1039/d0ob01838d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The cyanation and formylation of imidazo[1,2-a]pyridines were developed under copper-mediated oxidative conditions using ammonium iodide and DMF as a nontoxic combined cyano-group source and DMF as a formylation reagent.
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Affiliation(s)
- Xuan Li
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials
- College of Chemistry and Bioengineering
- Guilin University of Technology
- Guilin 541004
- P. R. China
| | - Shoucai Wang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials
- College of Chemistry and Bioengineering
- Guilin University of Technology
- Guilin 541004
- P. R. China
| | - Jiawang Zang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials
- College of Chemistry and Bioengineering
- Guilin University of Technology
- Guilin 541004
- P. R. China
| | - Meichen Liu
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials
- College of Chemistry and Bioengineering
- Guilin University of Technology
- Guilin 541004
- P. R. China
| | - Guangbin Jiang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials
- College of Chemistry and Bioengineering
- Guilin University of Technology
- Guilin 541004
- P. R. China
| | - Fanghua Ji
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials
- College of Chemistry and Bioengineering
- Guilin University of Technology
- Guilin 541004
- P. R. China
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33
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Chen H, Sun S, Liu YA, Liao X. Nickel-Catalyzed Cyanation of Aryl Halides and Hydrocyanation of Alkynes via C–CN Bond Cleavage and Cyano Transfer. ACS Catal 2019. [DOI: 10.1021/acscatal.9b04586] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Hui Chen
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China
| | - Shuhao Sun
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China
| | - Yahu A. Liu
- Discovery Chemistry, Genomics Institute of the Novartis Research Foundation (GNF), San Diego, California 92121, United States
| | - Xuebin Liao
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing 100084, China
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34
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Blackburn JM, Kanegusuku ALG, Scott GE, Roizen JL. Photochemically-Mediated, Nickel-Catalyzed Synthesis of N-(Hetero)aryl Sulfamate Esters. Org Lett 2019; 21:7049-7054. [PMID: 31436104 PMCID: PMC7241445 DOI: 10.1021/acs.orglett.9b02621] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A general method is described for the coupling of (hetero)aryl bromides with O-alkyl sulfamate esters. The protocol relies on catalytic amounts of nickel and photoexcitable iridium complexes and proceeds under visible light irradiation at ambient temperature. This technology engages a broad range of simple and complex O-alkyl sulfamate ester substrates under mild conditions. Furthermore, it is possible to avoid undesirable N-alkylation, which was found to plague palladium-based protocols for N-arylation of O-alkyl sulfamate esters. These investigations represent the first use of sulfamate esters as nucleophiles in transition metal-catalyzed C-N coupling processes.
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Affiliation(s)
- J. Miles Blackburn
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708-0354
| | | | - Georgia E. Scott
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708-0354
| | - Jennifer L. Roizen
- Duke University, Department of Chemistry, Box 90346, Durham, NC 27708-0354
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35
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Murugesan V, Balakrishnan V, Rasappan R. Nickel-catalyzed cross-coupling reaction of carbamates with silylmagnesium reagents. J Catal 2019. [DOI: 10.1016/j.jcat.2019.07.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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36
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Wang Z, Wang X, Ura Y, Nishihara Y. Nickel-Catalyzed Decarbonylative Cyanation of Acyl Chlorides. Org Lett 2019; 21:6779-6784. [DOI: 10.1021/acs.orglett.9b02398] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhenhua Wang
- Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Xiu Wang
- Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Yasuyuki Ura
- Department of Chemistry, Biology, and Environmental Science, Faculty of Science, Nara Women’s University, Kitauoyanshi-machi, Nara 630-8506, Japan
| | - Yasushi Nishihara
- Research Institute for Interdisciplinary Science, Okayama University, 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
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Abstract
The present review gives an overview over non-toxic cyanation agents and cyanide sources used in the synthesis of structurally diverse products containing the nitrile function. Nucleophilic as well as electrophilic agents/systems that transfer the entire CN-group were taken in consideration. Reactions in which a preexisting carbon functionality is transformed into a nitrile function by addition of nitrogen are however not covered here.
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Affiliation(s)
- Alexander M Nauth
- Institute of Organic Chemistry, Johannes Gutenberg University of Mainz, Duesbergweg 10-14, 55128 Mainz, Germany.
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38
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Sardarian AR, Dindarloo Inaloo I, Modarresi-Alam AR, Kleinpeter E, Schilde U. Metal-Free Regioselective Monocyanation of Hydroxy-, Alkoxy-, and Benzyloxyarenes by Potassium Thiocyanate and Silica Sulfuric Acid as a Cyanating Agent. J Org Chem 2019; 84:1748-1756. [DOI: 10.1021/acs.joc.8b02191] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Ali Reza Sardarian
- Chemistry Department, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran
| | - Iman Dindarloo Inaloo
- Chemistry Department, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran
| | - Ali Reza Modarresi-Alam
- Chemistry Department, College of Sciences, University of Sistan and Baluchestan, Zahedan 98167-45845, Iran
| | - Erich Kleinpeter
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Strasse 24-25, Potsdam D-14476, Germany
| | - Uwe Schilde
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Strasse 24-25, Potsdam D-14476, Germany
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39
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Zhu DL, Li HX, Xu ZM, Li HY, Young DJ, Lang JP. Visible light driven, nickel-catalyzed aryl esterification using a triplet photosensitiser thioxanthen-9-one. Org Chem Front 2019. [DOI: 10.1039/c9qo00536f] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The nickel-catalyzed esterification of carboxylic acids with aryl bromides using thioxanthen-9-one as a photosensitizer provided aryl esters with excellent yields.
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Affiliation(s)
- Da-Liang Zhu
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- China
| | - Hong-Xi Li
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- China
| | - Ze-Ming Xu
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- China
| | - Hai-Yan Li
- Analysis and Testing Centre
- Soochow University
- Suzhou 215123
- China
| | - David J. Young
- College of Engineering
- Information Technology and Environment
- Charles Darwin University
- Northern Territory 0909
- Australia
| | - Jian-Ping Lang
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- China
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40
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Ueda Y, Tsujimoto N, Yurino T, Tsurugi H, Mashima K. Nickel-catalyzed cyanation of aryl halides and triflates using acetonitrile via C-CN bond cleavage assisted by 1,4-bis(trimethylsilyl)-2,3,5,6-tetramethyl-1,4-dihydropyrazine. Chem Sci 2018; 10:994-999. [PMID: 30774893 PMCID: PMC6349056 DOI: 10.1039/c8sc04437f] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Accepted: 11/23/2018] [Indexed: 11/21/2022] Open
Abstract
A catalyst system of [Ni(MeCN)6](BF4)2, 1,10-phenanthroline, and 1,4-bis(trimethylsilyl)-2,3,5,6-tetramethyl-1,4-dihydropyrazine (Si–Me4-DHP) assisted cyanation of aryl halides in acetonitrile to give the corresponding aryl nitriles.
We developed a non-toxic cyanation reaction of various aryl halides and triflates in acetonitrile using a catalyst system of [Ni(MeCN)6](BF4)2, 1,10-phenanthroline, and 1,4-bis(trimethylsilyl)-2,3,5,6-tetramethyl-1,4-dihydropyrazine (Si–Me4-DHP). Si–Me4-DHP was found to function as a reductant for generating nickel(0) species and a silylation reagent to achieve the catalytic cyanation via C–CN bond cleavage.
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Affiliation(s)
- Yohei Ueda
- Department of Chemistry , Graduate School of Engineering Science , Osaka University , Toyonaka , Osaka 560-8531 , Japan . ;
| | - Nagataka Tsujimoto
- Department of Chemistry , Graduate School of Engineering Science , Osaka University , Toyonaka , Osaka 560-8531 , Japan . ;
| | - Taiga Yurino
- Department of Chemistry , Graduate School of Engineering Science , Osaka University , Toyonaka , Osaka 560-8531 , Japan . ;
| | - Hayato Tsurugi
- Department of Chemistry , Graduate School of Engineering Science , Osaka University , Toyonaka , Osaka 560-8531 , Japan . ;
| | - Kazushi Mashima
- Department of Chemistry , Graduate School of Engineering Science , Osaka University , Toyonaka , Osaka 560-8531 , Japan . ;
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41
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Wang TH, Ambre R, Wang Q, Lee WC, Wang PC, Liu Y, Zhao L, Ong TG. Nickel-Catalyzed Heteroarenes Cross Coupling via Tandem C–H/C–O Activation. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03436] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ting-Hsuan Wang
- Institute of Chemistry, Academia Sinica, No. 128, Sec. 2, Academia Road, Nangang, Taipei, Taiwan 11529, ROC
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu, Taiwan 30013, ROC
| | - Ram Ambre
- Institute of Chemistry, Academia Sinica, No. 128, Sec. 2, Academia Road, Nangang, Taipei, Taiwan 11529, ROC
| | - Qing Wang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Wei-Chih Lee
- Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan 31057, ROC
| | - Pen-Cheng Wang
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu, Taiwan 30013, ROC
| | - Yuhua Liu
- School of Physics and Electronic Engineering, Guangzhou University, Guangzhou 510006, China
| | - Lili Zhao
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Tiow-Gan Ong
- Institute of Chemistry, Academia Sinica, No. 128, Sec. 2, Academia Road, Nangang, Taipei, Taiwan 11529, ROC
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42
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Zhang JS, Chen T, Zhou Y, Yin SF, Han LB. Catalytic sp3C–CN Bond Cleavage: Ni-Mediated Phosphorylation of Alkylnitriles. Org Lett 2018; 20:6746-6749. [DOI: 10.1021/acs.orglett.8b02854] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ji-Shu Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Tieqiao Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources, College of Materials and Chemical Engineering, Hainan University, Haikou, Hainan 570228, China
| | - Yongbo Zhou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Li-Biao Han
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan
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43
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Gan Y, Wang G, Xie X, Liu Y. Nickel-Catalyzed Cyanation of Phenol Derivatives with Zn(CN)2 Involving C–O Bond Cleavage. J Org Chem 2018; 83:14036-14048. [DOI: 10.1021/acs.joc.8b02498] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Yi Gan
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
| | - Gaonan Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
| | - Xin Xie
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
| | - Yuanhong Liu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
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44
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Michel NWM, Jeanneret ADM, Kim H, Rousseaux SAL. Nickel-Catalyzed Cyanation of Benzylic and Allylic Pivalate Esters. J Org Chem 2018; 83:11860-11872. [DOI: 10.1021/acs.joc.8b01763] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nicholas W. M. Michel
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Alexandria D. M. Jeanneret
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Hyehwang Kim
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Sophie A. L. Rousseaux
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St George Street, Toronto, Ontario, M5S 3H6, Canada
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45
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Matsushita K, Takise R, Hisada T, Suzuki S, Isshiki R, Itami K, Muto K, Yamaguchi J. Pd-Catalyzed Decarbonylative C-H Coupling of Azoles and Aromatic Esters. Chem Asian J 2018; 13:2393-2396. [PMID: 29719140 DOI: 10.1002/asia.201800478] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Indexed: 01/10/2023]
Abstract
A decarbonylative C-H coupling of azoles and aromatic esters by palladium catalysis is described. Our previously reported Ni-catalyzed C-H coupling of azoles and aromatic esters has a significant drawback regarding the substrate scope. Herein, we employ palladium catalysis instead of nickel, resulting in a broader substrate scope in terms of azoles and aromatic esters.
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Affiliation(s)
- Kaoru Matsushita
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Ryosuke Takise
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan
| | - Tomoya Hisada
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Shin Suzuki
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan
| | - Ryota Isshiki
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Kenichiro Itami
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of Science, Nagoya University, Chikusa, Nagoya, 464-8602, Japan
| | - Kei Muto
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo, 169-8555, Japan
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46
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Chen Q, Wu A, Qin S, Zeng M, Le Z, Yan Z, Zhang H. Ni-Catalyzed Decarboxylative Cross-Coupling of Potassium Polyfluorobenzoates with Unactivated Phenol and Phenylmethanol Derivatives. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800729] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Quan Chen
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 People's Republic of China
| | - Aizhen Wu
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 People's Republic of China
| | - Shengxiang Qin
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 People's Republic of China
| | - Meiqi Zeng
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 People's Republic of China
| | - Zhiping Le
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 People's Republic of China
| | - Zhaohua Yan
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 People's Republic of China
| | - Hua Zhang
- College of Chemistry; Nanchang University; 999 Xuefu Avenue Nanchang 330031 People's Republic of China
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47
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Ishitobi K, Isshiki R, Asahara KK, Lim C, Muto K, Yamaguchi J. Decarbonylative Aryl Thioether Synthesis by Ni Catalysis. CHEM LETT 2018. [DOI: 10.1246/cl.180226] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kota Ishitobi
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Ryota Isshiki
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Kitty K. Asahara
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Cassandra Lim
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Kei Muto
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
| | - Junichiro Yamaguchi
- Department of Applied Chemistry, Waseda University, 3-4-1 Ohkubo, Shinjuku, Tokyo 169-8555, Japan
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48
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49
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Heravi MM, Panahi F, Iranpoor N. Nickel-Catalyzed Deoxycyanation of Activated Phenols via Cyanurate Intermediates with Zn(CN)2: A Route to Aryl Nitriles. Org Lett 2018; 20:2753-2756. [DOI: 10.1021/acs.orglett.8b00974] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Majid M. Heravi
- Department of Chemistry, School of Science, Alzahra University, Vanak, Tehran, Iran
| | - Farhad Panahi
- Department of Chemistry, School of Science, Alzahra University, Vanak, Tehran, Iran
- Chemistry Department, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Nasser Iranpoor
- Chemistry Department, College of Sciences, Shiraz University, Shiraz 71454, Iran
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50
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Kitano H, Ito H, Itami K. Palladium-Catalyzed Esterification of Carboxylic Acids with Aryl Iodides. Org Lett 2018; 20:2428-2432. [PMID: 29617141 DOI: 10.1021/acs.orglett.8b00775] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The first palladium-catalyzed esterification of carboxylic acids with aryl iodides is described. A palladium-based catalytic system consisting of IBnF (1,3-bis((pentafluorophenyl)methyl)imidazole-2-ylidene) ligand was found to significantly accelerate the aryl-O bond-forming esterification reaction. A series of aryl iodides and carboxylic acids undergoes a palladium-catalyzed coupling reaction to provide the corresponding aryl esters in moderate to good yields. In addition, sterically hindered aryl iodides and carboxylic acids were well-tolerated yielding the corresponding aryl esters.
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Affiliation(s)
- Hiroyuki Kitano
- Institute of Transformative Bio-Molecules (WPI-ITbM) , Nagoya University , Chikusa , Nagoya 464-8602 , Japan
| | - Hideto Ito
- Graduate School of Science , Nagoya University , Chikusa , Nagoya 464-8602 , Japan.,JST-ERATO, Itami Molecular Nanocarbon Project , Nagoya University , Chikusa , Nagoya 464-8602 , Japan
| | - Kenichiro Itami
- Institute of Transformative Bio-Molecules (WPI-ITbM) , Nagoya University , Chikusa , Nagoya 464-8602 , Japan.,Graduate School of Science , Nagoya University , Chikusa , Nagoya 464-8602 , Japan.,JST-ERATO, Itami Molecular Nanocarbon Project , Nagoya University , Chikusa , Nagoya 464-8602 , Japan
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