1
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Han F, Xie F, Yin M, Jing L, Han P. Electroreductive carboxylation of benzylphosphonium salts with CO 2 through the cleavage of the C(sp 3)-P bond. Org Biomol Chem 2024. [PMID: 38957074 DOI: 10.1039/d4ob00838c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Herein, a electroreductive carboxylation of benzylphosphonium salts was achieved by the cleavage of the C(sp3)-P bond, and various valuable arylacetic acids could be synthesized by this strategy. Also, based on control experiments and previous studies, a plausible reaction mechanism was proposed to explain the reaction process. The establishment of this procedure will provide a new paradigm for the functionalization of alkyl phosphonium salts.
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Affiliation(s)
- Fen Han
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Fenfen Xie
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Mengyun Yin
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Linhai Jing
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
| | - Pan Han
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China.
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2
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Tang S, Liu Z, Zhang J, Li B, Wang B. Copper-Catalyzed C4-selective Carboxylation of Pyridines with CO 2 via Pyridylphosphonium Salts. Angew Chem Int Ed Engl 2024; 63:e202318572. [PMID: 38308092 DOI: 10.1002/anie.202318572] [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: 12/04/2023] [Revised: 01/12/2024] [Accepted: 02/02/2024] [Indexed: 02/04/2024]
Abstract
Pyridine motifs are widespread pharmacophores in many drugs. Installing various substituents through pyridine C-H bond functionalization is significant for new drug design and discovery. Developments of late-stage functionalization reactions enrich the strategies for selective functionalization of pyridines. However, late-stage C-H carboxylation of pyridines is a long-standing challenge, especially selectively carboxylation with CO2 on pyridine motifs. Herein, we describe a practical method for C4-H carboxylation of pyridines via one-pot C-H phosphination and copper-catalyzed carboxylation of the resulted phosphonium salts with CO2 . The reaction is conducted under mild conditions and compatible with multiple active groups and several pyridine drugs, providing diverse valuable isonicotinic acid compounds, demonstrating the application potential of this strategy.
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Affiliation(s)
- Shibiao Tang
- State Key Laboratory of Elemento-Organic Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 30007, China
| | - Zezhao Liu
- State Key Laboratory of Elemento-Organic Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 30007, China
| | - Jiakai Zhang
- State Key Laboratory of Elemento-Organic Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 30007, China
| | - Bin Li
- State Key Laboratory of Elemento-Organic Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 30007, China
| | - Baiquan Wang
- State Key Laboratory of Elemento-Organic Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin, 30007, China
- State Key Laboratory of Organometallic Chemistry, Institution Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
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3
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Dimasi A, Failla M, Montoli A, Citarella A, Ronchi P, Passarella D, Fasano V. First total synthesis of caerulomycin K: a case study on selective, multiple C-H functionalizations of pyridines. RSC Adv 2024; 14:5542-5546. [PMID: 38352680 PMCID: PMC10862659 DOI: 10.1039/d4ra00589a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 01/31/2024] [Indexed: 02/16/2024] Open
Abstract
Caerulomycins, natural alkaloids with antimicrobial properties, have been previously synthesized starting with highly pre-functionalized building blocks or requiring many functional group manipulations. In this work, we report the first total synthesis of caerulomycin K, a diversely trifunctionalized pyridine readily assembled in three steps exploiting the recent advancements in the C-H activation of N-heterocycles.
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Affiliation(s)
- Alessandro Dimasi
- Department of Chemistry, Università degli Studi di Milano Via Camillo Golgi, 19 20133 Milano Italy https://www.fasanolab.com
| | - Mattia Failla
- Department of Chemistry, Università degli Studi di Milano Via Camillo Golgi, 19 20133 Milano Italy https://www.fasanolab.com
| | - Arianna Montoli
- Department of Chemistry, Università degli Studi di Milano Via Camillo Golgi, 19 20133 Milano Italy https://www.fasanolab.com
| | - Andrea Citarella
- Department of Chemistry, Università degli Studi di Milano Via Camillo Golgi, 19 20133 Milano Italy https://www.fasanolab.com
| | - Paolo Ronchi
- Medicinal Chemistry and Drug Design Technologies Department, Global Research and Preclinical Development, Chiesi Farmaceutici S.p.A Largo Francesco Belloli 11/a 43126 Parma Italy
| | - Daniele Passarella
- Department of Chemistry, Università degli Studi di Milano Via Camillo Golgi, 19 20133 Milano Italy https://www.fasanolab.com
| | - Valerio Fasano
- Department of Chemistry, Università degli Studi di Milano Via Camillo Golgi, 19 20133 Milano Italy https://www.fasanolab.com
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4
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Bhavyesh D, Soliya S, Konakanchi R, Begari E, Ashalu KC, Naveen T. The Recent Advances in Iron-Catalyzed C(sp 3 )-H Functionalization. Chem Asian J 2023:e202301056. [PMID: 38149480 DOI: 10.1002/asia.202301056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 12/28/2023]
Abstract
The use of iron as a core metal in catalysis has become a research topic of interest over the last few decades. The reasons are clear. Iron is the most abundant transition metal on Earth's crust and it is widely distributed across the world. It has been extracted and processed since the dawn of civilization. All these features render iron a noncontaminant, biocompatible, nontoxic, and inexpensive metal and therefore it constitutes the perfect candidate to replace noble metals (rhodium, palladium, platinum, iridium, etc.). Moreover, direct C-H functionalization is one of the most efficient strategies by which to introduce new functional groups into small organic molecules. The majority of organic compounds contain C(sp3 )-H bonds. Given the enormous importance of organic molecules in so many aspects of existence, the utilization and bioactivity of C(sp3 )-H bonds are of the utmost importance. This review sheds light on the substrate scope, selectivity, benefits, and limitations of iron catalysts for direct C(sp3 )-H bond activations. An overview of the use of iron catalysis in C(sp3 )-H activation protocols is summarized herein up to 2022.
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Affiliation(s)
- Desai Bhavyesh
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology Surat, Gujarat, 395 007, India
| | - Sudha Soliya
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology Surat, Gujarat, 395 007, India
| | - Ramaiah Konakanchi
- Department of Chemistry, VNR Vignana Jyoti Institute of Engineering and Technology, Hyderabad, 500090, India
| | - Eeshwaraiah Begari
- School of Applied Material Sciences, Central University of Gujarat, Gandhinagar, 382030, India
| | - Kashamalla Chinna Ashalu
- Department of Chemistry, School of Science, Indrashil University, Rajpur, Kadi, Gujarat, 382715, India
| | - Togati Naveen
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology Surat, Gujarat, 395 007, India
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5
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Qin J, Barday M, Jana S, Sanosa N, Funes-Ardoiz I, Teskey CJ. Photoinduced Cobalt Catalysis for the Reductive Coupling of Pyridines and Dienes Enabled by Paired Single-Electron Transfer. Angew Chem Int Ed Engl 2023; 62:e202310639. [PMID: 37676106 DOI: 10.1002/anie.202310639] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/07/2023] [Accepted: 09/07/2023] [Indexed: 09/08/2023]
Abstract
Selective hydroarylation of dienes has potential to provide swift access to useful building blocks. However, most existing methods rely on dienes stabilised by an aromatic group and transmetallation or nucleophilic attack steps require electron-rich aryl coupling partners. As such, there are few examples which tolerate wide-spread heteroarenes such as pyridine. Whilst allylic C-H functionalisation could be considered an alternative approach, the positional selectivity of unsymmetrical substrates is hard to control. Here, we report a general approach for selective hydropyridylation of dienes under mild conditions using metal catalysed hydrogen-atom transfer. Photoinduced, reductive conditions enable simultaneous formation of a cobalt-hydride catalyst and the persistent radical of easily-synthesised pyridyl phosphonium salts. This facilitates selective coupling of dienes in a traceless manner at the C4-position of a wide-range of pyridine substrates. The mildness of the method is underscored by its functional-group tolerance and demonstrated by applications in late-stage functionalisation. Based on a combination of experimental and computational studies, we propose a mechanistic pathway which proceeds through non-reversible hydrogen-atom transfer (HAT) from a cobalt hydride species which is uniquely selective for dienes in the presence of other olefins due to a much higher relative barrier associated with olefin HAT.
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Affiliation(s)
- Jingyang Qin
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Manuel Barday
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Samikshan Jana
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Nil Sanosa
- Department of Chemistry, Centro de Investigación en Síntesis Química (CISQ), Universidad de La Rioja, Madre de Dios 53, 26006, Logroño, Spain
| | - Ignacio Funes-Ardoiz
- Department of Chemistry, Centro de Investigación en Síntesis Química (CISQ), Universidad de La Rioja, Madre de Dios 53, 26006, Logroño, Spain
| | - Christopher J Teskey
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
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6
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Stebletsova IA, Larin AA, Ananyev IV, Fershtat LL. Regioselective Synthesis of NO-Donor (4-Nitro-1,2,3-triazolyl)furoxans via Eliminative Azide-Olefin Cycloaddition. Molecules 2023; 28:6969. [PMID: 37836813 PMCID: PMC10574565 DOI: 10.3390/molecules28196969] [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: 09/01/2023] [Revised: 09/29/2023] [Accepted: 10/01/2023] [Indexed: 10/15/2023] Open
Abstract
A facile and efficient method for the regioselective [3 + 2] cycloaddition of 4-azidofuroxans to 1-dimethylamino-2-nitroethylene under p-TSA catalysis affording (4-nitro-1,2,3-triazolyl)furoxans was developed. This transformation is believed to proceed via eliminative azide-olefin cycloaddition resulting in its complete regioselectivity. The developed protocol has a broad substrate scope and enables a straightforward assembly of the 4-nitro-1,2,3-triazole motif. Moreover, synthesized (4-nitro-1,2,3-triazolyl)furoxans were found to be capable of NO release in a broad range of concentrations, thus providing a novel platform for future drug design and related biomedical applications of heterocyclic NO donors.
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Affiliation(s)
- Irina A. Stebletsova
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991 Moscow, Russia; (I.A.S.); (A.A.L.)
- D.I. Mendeleev University of Chemical Technology of Russia, 9 Miusskaya Square, 125047 Moscow, Russia
| | - Alexander A. Larin
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991 Moscow, Russia; (I.A.S.); (A.A.L.)
| | - Ivan V. Ananyev
- N.S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, GSP-1, Leninsky Prospect, 31, 119991 Moscow, Russia;
| | - Leonid L. Fershtat
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky Prospect, 119991 Moscow, Russia; (I.A.S.); (A.A.L.)
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7
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Abstract
Azines, such as pyridines, quinolines, pyrimidines, and pyridazines, are widespread components of pharmaceuticals. Their occurrence derives from a suite of physiochemical properties that match key criteria in drug design and is tunable by varying their substituents. Developments in synthetic chemistry, therefore, directly impact these efforts, and methods that can install various groups from azine C-H bonds are particularly valuable. Furthermore, there is a growing interest in late-stage functionalization (LSF) reactions that focus on advanced candidate compounds that are often complex structures with multiple heterocycles, functional groups, and reactive sites. Because of factors such as their electron-deficient nature and the effects of the Lewis basic N atom, azine C-H functionalization reactions are often distinct from their arene counterparts, and the application of these reactions in LSF contexts is difficult. However, there have been many significant advances in azine LSF reactions, and this review will describe this progress, much of which has occurred over the past decade. It is possible to categorize these reactions as radical addition processes, metal-catalyzed C-H activation reactions, and transformations occurring via dearomatized intermediates. Substantial variation in reaction design within each category indicates both the rich reactivity of these heterocycles and the creativity of the approaches involved.
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Affiliation(s)
- Celena M Josephitis
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Hillary M H Nguyen
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Andrew McNally
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
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8
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Fan YX, Huang HL, Su QQ, Lv YZ, Li S, Ma YH, Mao YX, Ma CL, Du JY. Brønsted acid-mediated tandem cyclization of triarylphosphines and in situ generated ortho-alkynyl quinone methides: access to heterocyclic quaternary phosphonium salts. Chem Commun (Camb) 2023; 59:3463-3466. [PMID: 36872868 DOI: 10.1039/d2cc06994f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Heterocyclic Quaternary Phosphonium Salts (HQPS) have emerged as promising chemicals for organic synthesis and medicinal chemistry. However, the present synthetic methodology of this type of compound is still limited. Here, we report a deconstructive reorganization strategy based on Brønsted acid-mediated tandem 1,4 addition/intramolecular cyclization of triphenylphosphine derivatives and in situ generated o-AQMs for the first time. This protocol provides a novel approach to heterocyclic quaternary phosphonium salts. The method also features a non-metal catalyst, mild reaction conditions, high efficiency and wide substrate scope. Moreover, a series of obtained heterocyclic phosphonium salts can be converted to isotopically labelled 2-benzofuran compounds directly by simple deuteration reactions.
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Affiliation(s)
- Ya-Xin Fan
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Hong-Li Huang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Qing-Qiang Su
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Yong-Zheng Lv
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Shan Li
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Yan-Hua Ma
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Yan-Xin Mao
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Chun-Lin Ma
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
| | - Ji-Yuan Du
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China.
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9
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Qin Q, Cheng Z, Jiao N. Recent Applications of Trifluoromethanesulfonic Anhydride in Organic Synthesis. Angew Chem Int Ed Engl 2023; 62:e202215008. [PMID: 36541579 DOI: 10.1002/anie.202215008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/16/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022]
Abstract
Trifluoromethanesulfonic anhydride has been widely used in synthetic organic chemistry, not only for the conversion of various oxygen-containing compounds to the triflates, but also for the electrophilic activation and further conversion of amides, sulfoxides, and phosphorus oxides. In recent years, the utilization of Tf2 O as an activator for nitrogen-containing heterocycles, nitriles and nitro groups has become a promising tool for the development of new valuable methods with considerable success. In addition, Tf2 O has been used as an efficient radical trifluoromethylation and trifluoromethylthiolation reagent due to the contained SO2 CF3 fragment, and significant progress has been made in this area. This review summarizes the recent progress in the applications of Tf2 O in the above two aspects, and aims to illustrate the role and potential application of this reagent in organic synthesis.
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Affiliation(s)
- Qixue Qin
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, Shandong, 266109, China
| | - Zengrui Cheng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Rd. 38, Beijing, 100191, China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Xue Yuan Rd. 38, Beijing, 100191, China.,Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai, 200062, China
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10
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Zhu M, Yu W, Zhong Q, Cui B, Cao C, Shi Y. Nickel-catalyzed Suzuki cross-coupling reaction of alkyl triaryl phosphonium salts. Tetrahedron 2023. [DOI: 10.1016/j.tet.2023.133321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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11
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Han D, Sun J, Jin J. Picolinamide Ligands: Nickel-Catalyzed Reductive Cross-Coupling of Aryl Bromides with Bromocyclopropane and Beyond. Chem Asian J 2023; 18:e202201132. [PMID: 36479828 DOI: 10.1002/asia.202201132] [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: 11/08/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022]
Abstract
The arylcyclopropane motif as the combination of aryl and cyclopropyl ring systems can be found in an increasing amount of approved and investigational drugs. Herein, we have developed a mild, efficient nickel-catalyzed reductive cross-coupling protocol, featuring a simple Ni(II) precatalyst and a novel picolinamide NN2 pincer ligand. A variety of (hetero)aryl bromides could successfully couple with cyclopropyl bromide to furnish the valued arylcyclopropanes in good to excellent yields. This method is applicable to other alkyl bromides as well. Notably, the reaction is tolerant of a broad range of functionalities including free amines. Furthermore, the synthesis of several significant intermediates of bioactive molecules was achieved in grams, proving the practicability of this method.
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Affiliation(s)
- Dongyang Han
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Jie Sun
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
| | - Jian Jin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China
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12
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Ghosh P, Kwon NY, Byun Y, Mishra NK, Park JS, Kim IS. Cobalt(II)-Catalyzed C–H Alkylation of N-Heterocycles with 1,4-Dihydropyridines. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Prithwish Ghosh
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Na Yeon Kwon
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Youjung Byun
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | | | - Jung Su Park
- Department of Chemistry, Sookmyung Women’s University, Seoul 04310, Republic of Korea
| | - In Su Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
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13
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Feng WD, Lv BH, Ye W, Wang C, Jin LY, Wang RQ, Lian CM, You KH. Process Research for ZG1077, a KRAS G12C Inhibitor. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wei-Dong Feng
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Bin-Hua Lv
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Wei Ye
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Cai Wang
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Lin-Yong Jin
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Run-Qing Wang
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Chang-Min Lian
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
| | - Kuan-Hong You
- Suzhou Zelgen Biopharmaceuticals Co., Ltd., No. 209, Chenfeng Road, Kunshan, 215301 Jiangsu Province, China
- Shanghai Zelgen Pharma-Tech Co., Ltd., Building 3, No. 999, Cailun Road, Zhangjiang Hi-Tech Park, Shanghai 201203, China
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14
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Cossy J, Polàk P, Ruer PC. Incorporation of a cyclobutyl substituent in molecules by transition metal-catalyzed cross-coupling reactions. Org Biomol Chem 2022; 20:7529-7553. [PMID: 36148586 DOI: 10.1039/d2ob01045c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this review, the incorporation of a cyclobutyl substituent in molecules, by transition metal-catalyzed cross-coupling, is described by only considering the formation of C-C bonds. Three main strategies are used to introduce a cyclobutyl substituent in molecules by involving either electrophilic or nucleophilic cyclobutane derivatives.
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Affiliation(s)
- Janine Cossy
- Molecular, Macromolecular chemistry and Materials (C3M), ESPCI Paris, PSL, 10 rue Vauquelin, 75005 Paris, France.
| | - Peter Polàk
- Molecular, Macromolecular chemistry and Materials (C3M), ESPCI Paris, PSL, 10 rue Vauquelin, 75005 Paris, France.
| | - Paul C Ruer
- Molecular, Macromolecular chemistry and Materials (C3M), ESPCI Paris, PSL, 10 rue Vauquelin, 75005 Paris, France.
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15
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Du P, Yin Y, Shi D, Mao K, Yu Q, Zhao J. Metal-Free Phosphination and Continued Functionalization of Pyridine: A Theoretical Study. Molecules 2022; 27:molecules27175694. [PMID: 36080460 PMCID: PMC9457550 DOI: 10.3390/molecules27175694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 11/26/2022] Open
Abstract
This study investigates the mechanism of metal-free pyridine phosphination with P(OEt)3, PPh3, and PAr2CF3 using density functional theory calculations. The results show that the reaction mechanism and rate-determining step vary depending on the phosphine and additive used. For example, phosphination of pyridine with P(OEt)3 occurs in five stages, and ethyl abstraction is the rate-determining step. Meanwhile, 2-Ph-pyridine phosphination with PPh3 is a four-step reaction with proton abstraction as the rate-limiting step. Energy decomposition analysis of the transition states reveals that steric hindrance in the phosphine molecule plays a key role in the site-selective formation of the phosphonium salt. The mechanism of 2-Ph-pyridine phosphination with PAr2CF3 is similar to that with PPh3, and analyses of the effects of substituents show that electron-withdrawing groups decreased the nucleophilicity of the phosphine, whereas aryl electron-donating groups increased it. Finally, TfO− plays an important role in the C–H fluoroalkylation of pyridine, as it brings weak interactions.
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Affiliation(s)
- Pan Du
- School of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing 210013, China
| | - Yuhao Yin
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China
| | - Dai Shi
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China
| | - Kexin Mao
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China
| | - Qianyuan Yu
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China
| | - Jiyang Zhao
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing 211171, China
- Correspondence:
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16
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Chen Y, Gu Y, Meng H, Shao Q, Xu Z, Bao W, Gu Y, Xue X, Zhao Y. Metal‐Free C−H Functionalization via Diaryliodonium Salts with a Chemically Robust Dummy Ligand. Angew Chem Int Ed Engl 2022; 61:e202201240. [DOI: 10.1002/anie.202201240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Yixuan Chen
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Yuefei Gu
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Huan Meng
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Qianzhen Shao
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Zhenchuang Xu
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Wenjing Bao
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Yucheng Gu
- Syngenta Jealott's Hill International Research Centre Bracknell, Berkshire RG42 6EY UK
| | - Xiao‐Song Xue
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Yanchuan Zhao
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
- Key Laboratory of Energy Regulation Materials Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
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17
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Roediger S, Leutenegger SU, Morandi B. Nickel-catalysed diversification of phosphine ligands by formal substitution at phosphorus. Chem Sci 2022; 13:7914-7919. [PMID: 35865908 PMCID: PMC9258342 DOI: 10.1039/d2sc02496a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 06/13/2022] [Indexed: 12/12/2022] Open
Abstract
We report a diversification strategy that enables the direct substituent exchange of tertiary phosphines. Alkylated phosphonium salts, prepared by standard alkylation of phosphines, are selectively dearylated in a nickel-catalysed process to access alkylphosphine products via a formal substitution at the phosphorus center. The reaction can be used to introduce a wide range of alkyl substituents into both mono- and bisphosphines. We also show that the alkylation and dearylation steps can be conducted in a one-pot sequence, enabling accelerated access to derivatives of the parent ligand. The phosphine products of the reaction are converted in situ to air-stable borane adducts for isolation, and versatile derivatisation reactions of these adducts are demonstrated. Phosphine substituents can be exchanged by standard alkylation of a phosphine and a subsequent dearylation of the resulting phosphonium salt. A wide variety of alkyl groups can be introduced into both mono- and bidentate ligands using this method.![]()
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Affiliation(s)
- Sven Roediger
- Laboratorium für Organische Chemie, ETH Zürich Vladimir-Prelog-Weg 3, HCI 8093 Zürich Switzerland
| | - Sebastian U Leutenegger
- Laboratorium für Organische Chemie, ETH Zürich Vladimir-Prelog-Weg 3, HCI 8093 Zürich Switzerland
| | - Bill Morandi
- Laboratorium für Organische Chemie, ETH Zürich Vladimir-Prelog-Weg 3, HCI 8093 Zürich Switzerland
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18
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Wang QD, Zhang SX, Zhang ZW, Wang Y, Ma M, Chu XQ, Shen ZL. Palladium-Catalyzed Sonogashira Coupling of a Heterocyclic Phosphonium Salt with a Terminal Alkyne. Org Lett 2022; 24:4919-4924. [PMID: 35771670 DOI: 10.1021/acs.orglett.2c01800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient Sonogashira coupling of a heterocyclic phosphonium salt with a terminal alkyne via C-P bond cleavage was developed. The reactions proceeded smoothly in the presence of palladium catalyst, copper(I) iodide, and N,N-diisopropylethylamine (DIPEA) in N-methyl-2-pyrrolidone (NMP) at 100 °C for 12 h, producing the corresponding alkynyl-substituted pyridine, quinoline, pyrazine, and quinoxaline in moderate to good yields with wide substrate scope and broad functional group tolerance. In addition, gram-scale synthesis could also be achieved, and the reaction could be applied to the functionalization of alkyne-containing complex molecules derived from sugars and pharmaceutical and naturally occurring products (e.g., estrone, d-galactopyranose, menthol, and ibuprofen).
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Affiliation(s)
- Qing-Dong Wang
- School of Pharmacy, Yancheng Teachers University, Yancheng 224007, China
| | - Si-Xuan Zhang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhuo-Wen Zhang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ying Wang
- School of Pharmacy, Yancheng Teachers University, Yancheng 224007, China
| | - Mengtao Ma
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Xue-Qiang Chu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhi-Liang Shen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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19
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Mancinelli JP, Liu S, Wilkerson-Hill SM. Relative rates of alkylation for B-substituted triarylphosphines: an ortho-Boron group enhances reactivity on phosphorus. Org Biomol Chem 2022; 20:6183-6187. [PMID: 35648392 DOI: 10.1039/d2ob00505k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Advancements in main-group catalysis are contingent on our ability to quantify effects that enhance reactivity in these systems. Herein we report the rates of alkylation for several substituted phosphines. We report that by incorporating a single pinacol boronic ester group in the ortho-position on triphenylphosphine, the rate of substitution with benzyl bromide is approximately 4.7 times faster than the parent compound as measured by initial rates. The corresponding meta- and para-isomers are only 1.3 and 1.5 times as fast, respectively. Using X-ray crystallographic data and quantum chemical calculations, we propose this rate acceleration occurs from an O to P electrostatic interaction that stabilizes the transition state.
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Affiliation(s)
- Joseph P Mancinelli
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina, 27599-3290, USA.
| | - Shubin Liu
- Research Computing Center, University of North Carolina, Chapel Hill, NC 27599-3420, USA
| | - Sidney M Wilkerson-Hill
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina, 27599-3290, USA.
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20
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Chen Y, Gu Y, Meng H, Shao Q, Xu Z, Bao W, Gu Y, Xue X, Zhao Y. Metal‐Free C−H Functionalization via Diaryliodonium Salts with a Chemically Robust Dummy Ligand. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yixuan Chen
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Yuefei Gu
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Huan Meng
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Qianzhen Shao
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Zhenchuang Xu
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Wenjing Bao
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Yucheng Gu
- Syngenta Jealott's Hill International Research Centre Bracknell, Berkshire RG42 6EY UK
| | - Xiao‐Song Xue
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
| | - Yanchuan Zhao
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
- Key Laboratory of Energy Regulation Materials Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Ling-Ling Road Shanghai 200032 China
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21
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Cobalt-catalyzed cross-coupling of nitrogen-containing heterocyclic phosphonium salts with arylmagnesium reagents. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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22
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Hong CM, Zhuang X, Luo Z, Xiong SQ, Liu ZQ, Li QL, Zou FF, Li QH, Liu TL. Copper-catalyzed transfer methylenation via C(sp 3)–C(sp 3) bond cleavage of alcohols. Org Chem Front 2022. [DOI: 10.1039/d2qo01373h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Transfer Methylenation: A copper-catalyzed transfer methylenation via the cleavage of unstrained C(sp3)-C(sp3) bonds is developted. This is a de novo report for transfer hydrocarbylation between alcohols and carbonyl compounds.
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Affiliation(s)
- Chuan-Ming Hong
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Xin Zhuang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhen Luo
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Si-Qi Xiong
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zheng-Qiang Liu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Qing-Lin Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Fei-Fei Zou
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Qing-Hua Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Tang-Lin Liu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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23
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Hong CM, Zou FF, Zhuang X, Luo Z, Liu ZQ, Ren LQ, Li QH, Liu TL. 2-Pyridinylmethyl borrowing: base-promoted C-alkylation of (pyridin-2-yl)-methyl alcohols with ketones via cleavage of unstrained C(sp3)–C(sp3) bonds. Org Chem Front 2022. [DOI: 10.1039/d1qo01446c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
2-Pyridinylmethyl Borrowing: Transition-metal-free 2-pyridinylmethyl borrowing C-alkylation of alcohols access to ketones is developed. This unstrained C(sp3)–C(sp3) bonds cleavage of unactivated alcohols avoids the use of transition metals.
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Affiliation(s)
- Chuan-Ming Hong
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Fei-Fei Zou
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Xin Zhuang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zhen Luo
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Zheng-Qiang Liu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Li-Qing Ren
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Qing-Hua Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Tang-Lin Liu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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24
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Huang W, Ding X, Zi Y. Research Progress of Vinyl/Aryl Phosphonium Salts in Organic Synthesis. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202107065] [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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25
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Wang H, Yang M, Wang Y, Man X, Lu X, Mou Z, Luo Y, Liang H. Nickel-Catalyzed Reductive Csp 2-Csp 3 Cross Coupling Using Phosphonium Salts. Org Lett 2021; 23:8183-8188. [PMID: 34664959 DOI: 10.1021/acs.orglett.1c02893] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A nickel-catalyzed reductive cross coupling with phosphonium salts and allylic C(sp3)-O bond electrophiles, which granted direct construction of the C(sp2)-C(sp3) bond, is successfully developed. The protocol features broad substrate scope, high-functional-group tolerance, and heterocycle compatibility. Notably, the much more challenging reductive cross coupling with heterocyclic thiazolylphosphonium salts has also been accomplished for the first time.
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Affiliation(s)
- Huifei Wang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.,State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China.,State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Mengwan Yang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Yuting Wang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Xi Man
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Xinyao Lu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Zehuai Mou
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Yunjie Luo
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Hongze Liang
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
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26
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Qi Y, Gu X, Huang X, Shen G, Yang B, He Q, Xue Z, Du M, Shi L, Yu B. Microwave-assisted controllable synthesis of 2-acylbenzothiazoles and bibenzo[b][1,4]thiazines from aryl methyl ketones and disulfanediyldianilines. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.05.069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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27
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Fricke PJ, Dolewski RD, McNally A. Four‐Selective Pyridine Alkylation via Wittig Olefination of Dearomatized Pyridylphosphonium Ylides. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Patrick J. Fricke
- Department of Chemistry Colorado State University Fort Collins CO 80523 USA
| | - Ryan D. Dolewski
- Department of Chemistry Colorado State University Fort Collins CO 80523 USA
| | - Andrew McNally
- Department of Chemistry Colorado State University Fort Collins CO 80523 USA
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28
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Fricke PJ, Dolewski RD, McNally A. Four-Selective Pyridine Alkylation via Wittig Olefination of Dearomatized Pyridylphosphonium Ylides. Angew Chem Int Ed Engl 2021; 60:21283-21288. [PMID: 34343390 DOI: 10.1002/anie.202109271] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 07/30/2021] [Indexed: 12/20/2022]
Abstract
Methods to synthesize alkylated pyridines are valuable because these structures are prevalent in pharmaceuticals and agrochemicals. We have developed a distinct approach to construct 4-alkylpyridines using dearomatized pyridylphosphonium ylide intermediates in a Wittig olefination-rearomatization sequence. Pyridine N-activation is key to this strategy, and N-triazinylpyridinium salts enable coupling between a wide variety of substituted pyridines and aldehydes. The alkylation protocol is viable for late-stage functionalization, including methylation of pyridine-containing drugs. This approach represents an alternative to metal-catalyzed sp2 -sp3 cross-coupling reactions and Minisci-type processes.
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Affiliation(s)
- Patrick J Fricke
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523, USA
| | - Ryan D Dolewski
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523, USA
| | - Andrew McNally
- Department of Chemistry, Colorado State University, Fort Collins, CO, 80523, USA
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29
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Lipshultz JM, Radosevich AT. Uniting Amide Synthesis and Activation by P III/P V-Catalyzed Serial Condensation: Three-Component Assembly of 2-Amidopyridines. J Am Chem Soc 2021; 143:14487-14494. [PMID: 34478308 DOI: 10.1021/jacs.1c07608] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
An organophosphorus (PIII/PV redox) catalyzed method for the three-component condensation of amines, carboxylic acids, and pyridine N-oxides to generate 2-amidopyridines via serial dehydration is reported. Whereas amide synthesis and functionalization usually occur under divergent reaction conditions, here a phosphetane catalyst (together with a mild bromenium oxidant and terminal hydrosilane reductant) is shown to drive both steps chemoselectively in an auto-tandem catalytic cascade. The ability to both prepare and functionalize amides under the action of a single organocatalytic reactive intermediate enables new possibilities for the efficient and modular preparation of medicinal targets.
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Affiliation(s)
- Jeffrey M Lipshultz
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Alexander T Radosevich
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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30
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Greenwood JW, Boyle BT, McNally A. Pyridylphosphonium salts as alternatives to cyanopyridines in radical-radical coupling reactions. Chem Sci 2021; 12:10538-10543. [PMID: 34447547 PMCID: PMC8356814 DOI: 10.1039/d1sc02324a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 06/28/2021] [Indexed: 11/21/2022] Open
Abstract
Radical couplings of cyanopyridine radical anions represent a valuable technology for functionalizing pyridines, which are prevalent throughout pharmaceuticals, agrochemicals, and materials. Installing the cyano group, which facilitates the necessary radical anion formation and stabilization, is challenging and limits the use of this chemistry to simple cyanopyridines. We discovered that pyridylphosphonium salts, installed directly and regioselectively from C–H precursors, are useful alternatives to cyanopyridines in radical–radical coupling reactions, expanding the scope of this reaction manifold to complex pyridines. Methods for both alkylation and amination of pyridines mediated by photoredox catalysis are described. Additionally, we demonstrate late-stage functionalization of pharmaceuticals, highlighting an advantage of pyridylphosphonium salts over cyanopyridines. Cyanopyridines form dearomatized radical anions upon single-electron reduction and participate in photoredox coupling reactions. Pyridylphosphonium salts replicate that reactivity with a broader scope and increase the utility of these processes.![]()
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Affiliation(s)
- Jacob W Greenwood
- Department of Chemistry, Colorado State University Fort Collins Colorado 80523 USA
| | - Benjamin T Boyle
- Department of Chemistry, Colorado State University Fort Collins Colorado 80523 USA
| | - Andrew McNally
- Department of Chemistry, Colorado State University Fort Collins Colorado 80523 USA
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31
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Bugaenko DI, Yurovskaya MA, Karchava AV. From Pyridine- N-oxides to 2-Functionalized Pyridines through Pyridyl Phosphonium Salts: An Umpolung Strategy. Org Lett 2021; 23:6099-6104. [PMID: 34269594 DOI: 10.1021/acs.orglett.1c02165] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The reactions of pyridine-N-oxides with Ph3P under the developed conditions provide an unprecedented route to (pyridine-2-yl)phosphonium salts. Upon activation with DABCO, these salts readily serve as functionalized 2-pyridyl nucleophile equivalents. This umpolung strategy allows for the selective C2 functionalization of the pyridine ring with electrophiles, avoiding the generation and use of unstable organometallic reagents. The protocol operates at ambient temperature and tolerates sensitive functional groups, enabling the synthesis of otherwise challenging compounds.
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Affiliation(s)
- Dmitry I Bugaenko
- Department of Chemistry, Moscow State University, Moscow 119992, Russia
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32
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Zi Y, Wagner K, Schömberg F, Vilotijevic I. Selective C-H chalcogenation of thiazoles via thiazol-2-yl-phosphonium salts. Org Biomol Chem 2021; 18:5183-5191. [PMID: 32588864 DOI: 10.1039/d0ob00684j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Thiazoles and benzothiazoles undergo regioselective C2-H chalcogenation via the sequence of thiazole C2-functionalization with phosphines to produce phosphonium salts which in turn react with S- and Se-centered nucleophiles to give products of C2-H chalcogenation and allow for recovery of the starting phosphine. The atom economical sequence proceeds under mild conditions and features broad scope for both the nucleophiles (electron-rich, electron-poor, sterically hindered thiols) and the various substituted benzothiazoles. The access to the substituted medicinally relevant C2-thio benzothiazoles also enables stereoselectivity improvements in the modified Julia olefinations.
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Affiliation(s)
- You Zi
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
| | - Konrad Wagner
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
| | - Fritz Schömberg
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
| | - Ivan Vilotijevic
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
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33
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Moura IMR, Tranquilino A, Sátiro BG, Silva RO, de Oliveira-Silva D, Oliveira RA, Menezes PH. Unusual Application for Phosphonium Salts and Phosphoranes: Synthesis of Chalcogenides. J Org Chem 2021; 86:5954-5964. [PMID: 33789421 DOI: 10.1021/acs.joc.1c00114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A novel strategy for the synthesis of sulfides and selenides from phosphonium salts and thio- or selenesulfonates, commercially available compounds, is described. When phosphoranes were used in the reaction, different products were obtained. The methodology does not require the use of metals, reactive species, or anhydrous conditions to be performed.
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Affiliation(s)
- Igor M R Moura
- Depto. de Química Fundamental, Universidade Federal de Pernambuco, 50740-560 Recife, Pernambuco, Brazil
| | - Arisson Tranquilino
- Depto. de Química Fundamental, Universidade Federal de Pernambuco, 50740-560 Recife, Pernambuco, Brazil
| | - Barbara G Sátiro
- Depto. de Química Fundamental, Universidade Federal de Pernambuco, 50740-560 Recife, Pernambuco, Brazil
| | - Ricardo O Silva
- Depto. de Química Fundamental, Universidade Federal de Pernambuco, 50740-560 Recife, Pernambuco, Brazil
| | - Diogo de Oliveira-Silva
- Depto. de Química, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo, 09972-270 Diadema, São Paulo, Brazil
| | - Roberta A Oliveira
- Depto. de Química Fundamental, Universidade Federal de Pernambuco, 50740-560 Recife, Pernambuco, Brazil
| | - Paulo H Menezes
- Depto. de Química Fundamental, Universidade Federal de Pernambuco, 50740-560 Recife, Pernambuco, Brazil
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34
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Ma RJ, Xu WK, Sun JT, Chen L, Si CM, Wei BG. Synthesis of dihydro-[1,3]oxazino[4,3-a] isoindole and tetrahydroisoquinoline through Cu(OTf)2-catalyzed reactions of N-acyliminium ions with ynamides. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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35
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Nunewar S, Kumar S, Talakola S, Nanduri S, Kanchupalli V. Co(III), Rh(III) & Ir(III)‐Catalyzed Direct C−H Alkylation/Alkenylation/Arylation with Carbene Precursors. Chem Asian J 2021; 16:443-459. [DOI: 10.1002/asia.202001219] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 01/13/2021] [Indexed: 12/15/2022]
Affiliation(s)
- Saiprasad Nunewar
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500 037 Telangana India
| | - Sanjeev Kumar
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500 037 Telangana India
| | - Srilakshmi Talakola
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500 037 Telangana India
| | - Srinivas Nanduri
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500 037 Telangana India
| | - Vinaykumar Kanchupalli
- Department of Chemical Sciences National Institute of Pharmaceutical Education and Research (NIPER) Hyderabad 500 037 Telangana India
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36
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Aynetdinova D, Callens MC, Hicks HB, Poh CYX, Shennan BDA, Boyd AM, Lim ZH, Leitch JA, Dixon DJ. Installing the “magic methyl” – C–H methylation in synthesis. Chem Soc Rev 2021; 50:5517-5563. [DOI: 10.1039/d0cs00973c] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Following notable cases of remarkable potency increases in methylated analogues of lead compounds, this review documents the state-of-the-art in C–H methylation technology.
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Affiliation(s)
- Daniya Aynetdinova
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
| | - Mia C. Callens
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
| | - Harry B. Hicks
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
| | - Charmaine Y. X. Poh
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
| | | | - Alistair M. Boyd
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
| | - Zhong Hui Lim
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
| | - Jamie A. Leitch
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
| | - Darren J. Dixon
- Department of Chemistry
- University of Oxford
- Chemistry Research Laboratory
- Oxford
- UK
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37
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Cui YY, Li WX, Ma NN, Shen C, Zhou X, Chu XQ, Rao W, Shen ZL. Nickel-catalyzed direct cross-coupling of heterocyclic phosphonium salts with aryl bromides. Org Chem Front 2021. [DOI: 10.1039/d1qo01474a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The cross-couplings of heterocyclic phosphonium salts with aryl bromides proceeded effectively in the presence of nickel(ii) catalyst, bipyridine ligand, magnesium, and LiCl, providing an easy entry to 4-arylated pyridines, quinolines, and pyrazines.
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Affiliation(s)
- Yan-Ying Cui
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Wen-Xin Li
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Na-Na Ma
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Chuanji Shen
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Xiaocong Zhou
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Xue-Qiang Chu
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Weidong Rao
- Jiangsu Provincial Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Zhi-Liang Shen
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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38
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Boyle BT, Koniarczyk JL, McNally A. Facile Pyridine S N Ar Reactions via N-Phosphonium-Pyridinium Intermediates. Synlett 2021; 32:215-218. [PMID: 33927483 PMCID: PMC8081384 DOI: 10.1055/a-1315-1279] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Here we report that N-phosphonium pyridinium intermediates are unusually reactive for pyridine S N Ar reactions. Specifically, forming phosphonium salts from halopyridines typically requires elevated temperatures and Lewis acid additives. The alternative activation mode described in this paper permits C-P bond formation to occur at ambient temperatures in many cases, and functions across a broad range of substrates.
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Affiliation(s)
- Benjamin T Boyle
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
| | - J Luke Koniarczyk
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
| | - Andrew McNally
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
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39
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Seifert F, Drikermann D, Steinmetzer J, Zi Y, Kupfer S, Vilotijevic I. Z-Selective phosphine promoted 1,4-reduction of ynoates and propynoic amides in the presence of water. Org Biomol Chem 2021; 19:6092-6097. [PMID: 34152338 DOI: 10.1039/d1ob00909e] [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
Phosphine-mediated reductions of substituted propynoic esters and amides in the presence of water yield the partially reduced α,β-unsaturated esters and amides with high Z-selectivity. The competitive in situ Z to E-isomerization of the product in some cases lowers the Z to E ratios of the isolated α,β-unsaturated carbonyl products. Reaction time and the amounts of phosphine and water in the reaction mixture are the key experimental factors which control the selectivity by preventing or reducing the rates of Z- to E-product isomerization. Close reaction monitoring enables isolation of the Z-alkenes with high selectivities. The computational results suggest that the reactions could be highly Z-selective owing to the stereoselective formation of the E-P-hydroxyphosphorane intermediate.
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Affiliation(s)
- Fabian Seifert
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
| | - Denis Drikermann
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
| | - Johannes Steinmetzer
- Institute for Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - You Zi
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
| | - Stephan Kupfer
- Institute for Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Ivan Vilotijevic
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany.
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40
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Bystrov DM, Ananyev IV, Fershtat LL, Makhova NN. Direct Synthesis of N-(1,2,5-Oxadiazolyl)hydrazones through a Diazotization/Reduction/Condensation Cascade. J Org Chem 2020; 85:15466-15475. [PMID: 33185453 DOI: 10.1021/acs.joc.0c02243] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A straightforward synthesis of a series of previously unknown N-(1,2,5-oxadiazolyl)hydrazones through the diazotization/reduction/condensation cascade of amino-1,2,5-oxadiazoles was accomplished. The described protocol was suitable for a wide array of target hydrazones, which were prepared in good to high yields under smooth reaction conditions with very good functional group tolerance. Importantly, the presented approach unveils a direct route to in situ generation of previously inaccessible (1,2,5-oxadiazolyl)hydrazines. In addition, a first example of the ionic structure incorporating a protonated hydrazone motif linked to the 1,2,5-oxadiazole 2-oxide subunit was synthesized, indicating the stability of prepared compounds toward acid-promoted hydrolysis. Overall, this method provides a direct access to the isosteric analogues of drug candidates for treatment of various neglected diseases, thus enabling their potential application in medicinal chemistry and drug design.
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Affiliation(s)
- Dmitry M Bystrov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russia
| | - Ivan V Ananyev
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Str., 28, Moscow 119991, Russia.,Plekhanov Russian University of Economics, Stremyanny Per. 36, Moscow 117997, Russia
| | - Leonid L Fershtat
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russia
| | - Nina N Makhova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prosp., 47, Moscow 119991, Russia
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41
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Dorval C, Tricoire M, Begouin JM, Gandon V, Gosmini C. Cobalt-Catalyzed C(sp2)–CN Bond Activation: Cross-Electrophile Coupling for Biaryl Formation and Mechanistic Insight. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03903] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Céline Dorval
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91128 Palaiseau Cedex, France
| | - Maxime Tricoire
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91128 Palaiseau Cedex, France
| | - Jeanne-Marie Begouin
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91128 Palaiseau Cedex, France
| | - Vincent Gandon
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91128 Palaiseau Cedex, France
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), CNRS UMR 8182, Université Paris-Saclay, Bâtiment 420, 91405 Orsay Cedex, France
| | - Corinne Gosmini
- Laboratoire de Chimie Moléculaire, CNRS UMR 9168, École Polytechnique, Institut Polytechnique de Paris, Route de Saclay, 91128 Palaiseau Cedex, France
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42
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Kelly CB, Padilla-Salinas R. Late stage C-H functionalization via chalcogen and pnictogen salts. Chem Sci 2020; 11:10047-10060. [PMID: 34094266 PMCID: PMC8162414 DOI: 10.1039/d0sc03833d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/06/2020] [Indexed: 01/12/2023] Open
Abstract
Late-stage functionalization (LSF) of heteroarenes can dramatically accelerate SAR studies by enabling the installation of functional groups that would otherwise complicate a synthetic sequence. Although heteroaryl halides and boronic esters have well-established chemistries for LSF, alternatives that enable site-selective C-H functionalization are highly attractive. Recently, three unrelated cationic groups (phosphonium, pyridinium, and thianthrenium), which can replace C-H bonds late stage, have been identified as precursors to various functional groups. This review will discuss the synthesis and application of these three salts with an emphasis on their use for LSF and application to medicinal chemistry.
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Affiliation(s)
- Christopher B Kelly
- Discovery Process Research, Janssen Research & Development LLC 1400 McKean Road Spring House Pennsylvania 19477 USA
| | - Rosaura Padilla-Salinas
- Discovery Process Research, Janssen Research & Development LLC 1400 McKean Road Spring House Pennsylvania 19477 USA
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43
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Che YY, Yue Y, Lin LZ, Pei B, Deng X, Feng C. Palladium-Catalyzed Electrophilic Functionalization of Pyridine Derivatives through Phosphonium Salts. Angew Chem Int Ed Engl 2020; 59:16414-16419. [PMID: 32533596 DOI: 10.1002/anie.202006724] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 05/30/2020] [Indexed: 12/11/2022]
Abstract
Herein, we report a highly efficient and practical method for pyridine-derived heterobiaryl synthesis through palladium-catalyzed electrophilic functionalization of easily available pyridine-derived quaternary phosphonium salts. The nice generality of this reaction was goes beyond arylation, enabling facile incorporation of diverse carbon-based fragments, including alkenyl, alkynyl, and also allyl fragments, onto the pyridine core. Notably, the silver salt additive is revealed to be of vital importance for the success of this transformation and its pivotal role as transmetallation mediator, which guarantees a smooth transfer of pyridyl group to palladium intermediate, is also described.
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Affiliation(s)
- Yuan-Yuan Che
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Yanni Yue
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Ling-Zhi Lin
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Bingbing Pei
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Xuezu Deng
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
| | - Chao Feng
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, P. R. China
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44
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Che Y, Yue Y, Lin L, Pei B, Deng X, Feng C. Palladium‐Catalyzed Electrophilic Functionalization of Pyridine Derivatives through Phosphonium Salts. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006724] [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)
- Yuan‐Yuan Che
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Yanni Yue
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Ling‐Zhi Lin
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Bingbing Pei
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Xuezu Deng
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Chao Feng
- Technical Institute of Fluorochemistry (TIF)Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
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45
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Samiee S, Bahmaie M, Motamedi H, Shiralinia A, Gable RW. Synthesis, crystallographic studies, antibacterial and antifungal activities of mononuclear mercury(II) complexes derived from [PPh2(CH2)nPPh2CH2C(O)C6H4Cl)]Br ligands. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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46
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Zi Y, Schömberg F, Wagner K, Vilotijevic I. C–H Functionalization of Benzothiazoles via Thiazol-2-yl-phosphonium Intermediates. Org Lett 2020; 22:3407-3411. [DOI: 10.1021/acs.orglett.0c00882] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- You Zi
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University, Jena, Humboldtstr. 10, 07743 Jena, Germany
| | - Fritz Schömberg
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University, Jena, Humboldtstr. 10, 07743 Jena, Germany
| | - Konrad Wagner
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University, Jena, Humboldtstr. 10, 07743 Jena, Germany
| | - Ivan Vilotijevic
- Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University, Jena, Humboldtstr. 10, 07743 Jena, Germany
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47
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Lutter FH, Grokenberger L, Spieß P, Hammann JM, Karaghiosoff K, Knochel P. Cobalt‐katalysierte Kreuzkupplung funktionalisierter Alkylzinkreagenzien mit (Hetero‐)Arylhalogeniden. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201914490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ferdinand H. Lutter
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Lucie Grokenberger
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Philipp Spieß
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Jeffrey M. Hammann
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Konstantin Karaghiosoff
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
| | - Paul Knochel
- Ludwig-Maximilians-Universität München Department Chemie Butenandtstrasse 5–13, Haus F 81377 München Deutschland
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48
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Lutter FH, Grokenberger L, Spieß P, Hammann JM, Karaghiosoff K, Knochel P. Cobalt-Catalyzed Cross-Coupling of Functionalized Alkylzinc Reagents with (Hetero)Aryl Halides. Angew Chem Int Ed Engl 2020; 59:5546-5550. [PMID: 31909546 PMCID: PMC7154687 DOI: 10.1002/anie.201914490] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/11/2019] [Indexed: 11/10/2022]
Abstract
A combination of 10 % CoCl2 and 20 % 2,2'-bipyridine ligands enables cross-coupling of functionalized primary and secondary alkylzinc reagents with various (hetero)aryl halides. Couplings with 1,3- and 1,4-substituted cycloalkylzinc reagents proceeded diastereoselectively leading to functionalized heterocycles with high diastereoselectivities of up to 98:2. Furthermore, alkynyl bromides react with primary and secondary alkylzinc reagents providing the alkylated alkynes.
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Affiliation(s)
- Ferdinand H Lutter
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Lucie Grokenberger
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Philipp Spieß
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Jeffrey M Hammann
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Konstantin Karaghiosoff
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
| | - Paul Knochel
- Ludwig-Maximilians-Universität München, Department Chemie, Butenandtstrasse 5-13, Haus F, 81377, München, Germany
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49
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Zhilin ES, Bystrov DM, Ananyev IV, Fershtat LL, Makhova NN. Straightforward Access to the Nitric Oxide Donor Azasydnone Scaffold by Cascade Reactions of Amines. Chemistry 2019; 25:14284-14289. [DOI: 10.1002/chem.201903526] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Egor S. Zhilin
- N. D. Zelinsky Institute of Organic ChemistryRussian Academy of Sciences Leninsky Prospect 47 119991 Moscow Russia
| | - Dmitry M. Bystrov
- N. D. Zelinsky Institute of Organic ChemistryRussian Academy of Sciences Leninsky Prospect 47 119991 Moscow Russia
| | - Ivan V. Ananyev
- A. N. Nesmeyanov Institute of Organoelement CompoundsRussian Academy of Sciences Vavilova str. 28 119991 Moscow Russia
| | - Leonid L. Fershtat
- N. D. Zelinsky Institute of Organic ChemistryRussian Academy of Sciences Leninsky Prospect 47 119991 Moscow Russia
| | - Nina N. Makhova
- N. D. Zelinsky Institute of Organic ChemistryRussian Academy of Sciences Leninsky Prospect 47 119991 Moscow Russia
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50
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Hofstra JL, Poremba KE, Shimozono AM, Reisman SE. Nickel-Catalyzed Conversion of Enol Triflates into Alkenyl Halides. Angew Chem Int Ed Engl 2019; 58:14901-14905. [PMID: 31410936 PMCID: PMC7179072 DOI: 10.1002/anie.201906815] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 08/09/2019] [Indexed: 12/26/2022]
Abstract
A Ni-catalyzed halogenation of enol triflates was developed and it enables the synthesis of a broad range of alkenyl iodides, bromides, and chlorides under mild reaction conditions. The reaction utilizes inexpensive, bench-stable Ni(OAc)2 ⋅4 H2 O as a precatalyst and proceeds at room temperature in the presence of sub-stoichiometric Zn and either 1,5-cyclooctadiene or 4-(N,N-dimethylamino)pyridine.
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Affiliation(s)
- Julie L. Hofstra
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology Pasadena, CA 91125 (USA)
| | - Kelsey E. Poremba
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology Pasadena, CA 91125 (USA)
| | - Alex M. Shimozono
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology Pasadena, CA 91125 (USA)
| | - Sarah E. Reisman
- The Warren and Katharine Schlinger Laboratory of Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology Pasadena, CA 91125 (USA)
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