1
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Fernandes AJ, Valsamidou V, Katayev D. Overcoming Challenges in O-Nitration: Selective Alcohol Nitration Deploying N,6-Dinitrosaccharin and Lewis Acid Catalysis. Angew Chem Int Ed Engl 2024; 63:e202411073. [PMID: 38984498 DOI: 10.1002/anie.202411073] [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: 06/12/2024] [Revised: 07/05/2024] [Accepted: 07/09/2024] [Indexed: 07/11/2024]
Abstract
Nitrate esters hold pivotal roles in pharmaceuticals, energetic materials, and atmospheric processes, motivating the development of efficient synthesis routes. Here, we present a novel catalytic method for the synthesis of nitrates via the direct O-nitration of alcohols, addressing limitations of current traditional methods. Leveraging bench-stable and recoverable N,6-dinitrosaccharin reagent, our catalytic strategy employs magnesium triflate to achieve mild and selective O-nitration of alcohols, offering broad substrate scope and unprecedentedly large functional group tolerance (e.g. alkenes, alkynes, carbonyls). DFT mechanistic studies reveal a dual role of the magnesium catalyst in the activation of both the nitrating reagent and the alcohol substrate. They also unveil a barrierless proton transfer upon formation of a widely-accepted - yet elusive in solution - nitrooxonium ion intermediate. Overall, our work contributes to the development of mild, selective, and sustainable approaches to nitrates synthesis, with potential applications in drug discovery, materials science, and environmental chemistry.
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Affiliation(s)
- Anthony J Fernandes
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Vasiliki Valsamidou
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Dmitry Katayev
- Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012, Bern, Switzerland
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2
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Lv Y, Hao J, Huang J, Song L, Yue H, Wei W, Yi D. Metal-free visible-light-mediated aerobic nitrooxylation for the synthesis of nitrate esters with t-BuONO. Chem Commun (Camb) 2024; 60:9801-9804. [PMID: 39162090 DOI: 10.1039/d4cc03272a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/21/2024]
Abstract
A metal-free and sustainable visible-light-mediated method for the preparation of organic nitrate esters has been developed through the aerobic nitrooxylation reaction of α-diazoesters and cyclic ethers with t-BuONO in the presence of dioxygen. This protocol provides an efficient approach to access nitrate esters with the advantages of clean energy, broad substrate scope, green oxidants, operational simplicity, and mild conditions.
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Affiliation(s)
- Yufen Lv
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, P. R. China.
| | - Jindong Hao
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, P. R. China.
| | - Jian Huang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, P. R. China.
| | - Lianhui Song
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, P. R. China.
| | - Huilan Yue
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research and CAS Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Qinghai 81000, P. R. China
| | - Wei Wei
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, P. R. China.
| | - Dong Yi
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, School of Pharmacy, Southwest Medical University, Luzhou 646000, Sichuan, P. R. China.
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3
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Nguyen LA, Tran TY, Ngo QA, Mac DH, Retailleau P, Nguyen TB. Sulfur-Promoted Access to 3-Arylquinoxalin-2-ones by Oxidative Coupling of o-Phenylenediamines with Arylacetates. Org Lett 2024; 26:6098-6102. [PMID: 39008563 DOI: 10.1021/acs.orglett.4c01624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
We disclose the synthesis of 3-arylquinoxalin-2-ones from o-phenylenediamines and readily available arylacetates. The method harnesses the selective oxidative property of elemental sulfur in the presence of amine base catalyst and DMSO. The reactions are operationally simple and tolerate a wide range of functional groups.
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Affiliation(s)
- Le Anh Nguyen
- Institute of Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Cau Giay, Hanoi, Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Cau Giay, Hanoi, Vietnam
| | - Thi Yen Tran
- Institute of Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Cau Giay, Hanoi, Vietnam
| | - Quoc Anh Ngo
- Institute of Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Cau Giay, Hanoi, Vietnam
| | - Dinh Hung Mac
- Faculty of Chemistry, VNU University of Science, Vietnam National University in Hanoi, 19 Le Thanh Tong, Hanoi, Vietnam
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, 1 av de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Thanh Binh Nguyen
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, 1 av de la Terrasse, 91198 Gif-sur-Yvette, France
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4
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Qian CW, Li X, Gu MQ. Visible-Light-Induced Multi-Component Nitrooxylation Reactions of α-Diazoesters, Cyclic Ethers, and Tert-Butyl Nitrite Leading to Organic Nitrate Esters. Chemistry 2024:e202402304. [PMID: 39044322 DOI: 10.1002/chem.202402304] [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: 06/16/2024] [Revised: 07/19/2024] [Accepted: 07/22/2024] [Indexed: 07/25/2024]
Abstract
A simple and efficient strategy has been developed for the synthesis of organic nitrate esters via visible-light-induced multi-component nitrooxylation reactions of α-diazoesters, cyclic ethers, and tert-butyl nitrite under open air atmosphere. This transformation could be conducted under mild and metal-free conditions to provide a number of organic nitrate esters in moderate to good yields using air as the green oxidant.
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Affiliation(s)
- Cun-Wei Qian
- School of Chemical & Environmental Engineering, Yancheng Teachers University, Yancheng, 224007, Jiangsu, China
| | - Xian Li
- School of Chemical & Environmental Engineering, Yancheng Teachers University, Yancheng, 224007, Jiangsu, China
| | - Meng-Qing Gu
- School of Chemical & Environmental Engineering, Yancheng Teachers University, Yancheng, 224007, Jiangsu, China
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5
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Liu X, Gao FF, Xue Y, Luo J, Jiang C. Palladium-Catalyzed C(sp 3)-H Nitrooxylation of Aliphatic Carboxamides with Practical Oxidants. J Org Chem 2024; 89:1417-1424. [PMID: 38235669 DOI: 10.1021/acs.joc.3c01911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Here we report the palladium-catalyzed β-C(sp3)-H nitrooxylation of aliphatic carboxamides using a modified quinoline auxiliary. Notably, Al(NO3)3·9H2O was used as a nitrate source as well as a practical oxidant. The 5-chloro-8-aminoquinoline auxiliary was nitrated in situ during the reaction, which may enhance its directing ability and help its removal. The reaction has a broad substrate scope with a variety of aliphatic carboxamides. The multiple substituted auxiliary can be easily removed and recovered. Two C-H-insertion palladacycle intermediates were isolated and characterized to elucidate the mechanism.
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Affiliation(s)
- Xing Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Fang-Fang Gao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Yuan Xue
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Jun Luo
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Chao Jiang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
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6
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Xue Y, Zhou RB, Luo J, Hu BC, Liu ZQ, Jiang C. Palladium-catalyzed C(sp 3)-H nitrooxylation of masked alcohols. Org Biomol Chem 2022; 21:75-79. [PMID: 36448655 DOI: 10.1039/d2ob01919a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A palladium-catalyzed β-C(sp3)-H nitrooxylation of aliphatic alcohols with AgNO2 is reported. An 8-formylquinoline-derived oxime is installed as an exo-type directing group for sp3 C-H activation and selectfluor acts as the oxidant. The reaction tolerates a variety of functional groups and shows good selectivity for β-C-H nitrooxylation of alcohols.
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Affiliation(s)
- Yuan Xue
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China.
| | - Ruo-Bing Zhou
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China.
| | - Jun Luo
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China.
| | - Bing-Cheng Hu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China.
| | - Zhong-Quan Liu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210023, China
| | - Chao Jiang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China.
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7
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Munaretto LS, Gallo RDC, Leão LPMO, Jurberg ID. H-F bond insertions into α-diazo carbonyl compounds. Org Biomol Chem 2022; 20:6178-6182. [PMID: 35357390 DOI: 10.1039/d2ob00400c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A reaction for H-F bond insertion into α-diazo carbonyl compounds is reported. The protocol describes a simple reaction setup employing commercially available HF·pyr (Olah reagent) as the fluorine source. The method is rapid and practical, and allows access to a broad range of α-fluorinated carbonyl compounds in generally good yields.
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Affiliation(s)
- Laiéli S Munaretto
- State University of Campinas, Institute of Chemistry, Rua Monteiro Lobato 270, 13083-862, Campinas, SP, Brazil.
| | - Rafael D C Gallo
- State University of Campinas, Institute of Chemistry, Rua Monteiro Lobato 270, 13083-862, Campinas, SP, Brazil.
| | - Luiz Paulo M O Leão
- State University of Campinas, Institute of Chemistry, Rua Monteiro Lobato 270, 13083-862, Campinas, SP, Brazil.
| | - Igor D Jurberg
- State University of Campinas, Institute of Chemistry, Rua Monteiro Lobato 270, 13083-862, Campinas, SP, Brazil.
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8
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He C, Wu Z, Zhou Y, Cao W, Feng X. Asymmetric catalytic nitrooxylation and azidation of β-keto amides/esters with hypervalent iodine reagents. Org Chem Front 2022. [DOI: 10.1039/d1qo01634b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Chiral Lewis acid-catalyzed enantioselective nitrooxylation and azidation of cyclic and acyclic β-keto amides/esters with hypervalent iodine(iii) reagents.
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Affiliation(s)
- Changqiang He
- Key laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Zhikun Wu
- Key laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Yuqiao Zhou
- Key laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Weidi Cao
- Key laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiaoming Feng
- Key laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
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9
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Domínguez-Díaz LR, Eugenia Ochoa M, Soto-Castro D, Farfán N, Morales-Chamorro M, Yépez-Mulia L, Pérez-Campos E, Santillan R, Moreno-Rodríguez A. In vitro, ex vivo and in vivo short-term screening of DHEA nitrate derivatives activity over Trypanosoma cruzi Ninoa and TH strains from Oaxaca State, México. Bioorg Med Chem 2021; 48:116417. [PMID: 34571489 DOI: 10.1016/j.bmc.2021.116417] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 11/19/2022]
Abstract
Chagas disease is a health problem that affects millions of persons, currently Nifurtimox (Nfx) and Benznidazole (Bz) are the unique drugs to treat it. However, these drugs produce adverse effects and high toxicity, which has motivated the search for new candidate drugs. Based on reports about the extensive biological activity of steroidal nitrate esters, in this study three nitrate esters steroids (1b, 2b and 4b) were synthetized and characterized from Dehydroepiandrosterone (DHEA, 1a), 19-hydroxy-DHEA (2a), and Androst-5-en-3β,17β-diol (4a), respectively. In addition, compounds 3a and 3b were obtained by introducing an α-ethynyl and a β-hydroxyl groups at position 17 of 2b and further nitration of the hydroxyl group. The trypanocidal activity of these steroids was evaluated in vitro against the epimastigote stage of two T. cruzi strains, Ninoa and TH, and their cytotoxicity over J774.2 macrophage cell line was assayed. Compounds 3a, 3b, and 4a shown higher trypanocidal activity than Bz and Nfx against epimastigotes of Ninoa strain, whereas DHEA (1a) and its nitrate derivative 1b showed higher activity than the reference drugs against the TH strain epimastigote. None of the compounds showed activity in the ex vivo assays against the blood trypomastigote of both strains. Interestingly, the selectivity index of Androst-5-en-3β,17β-diol 4a was almost twice the value of Nfx and 50 times more than Bz, against Ninoa and TH strains, respectively. Therefore, compound 4a could represent a valuable starting point toward the optimization of steroid derivatives as trypanocidal agents.
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Affiliation(s)
| | - Ma Eugenia Ochoa
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del IPN, Apdo. Postal 14-740, C.P. 07000 CDMX, Mexico
| | - Delia Soto-Castro
- CONACyT - Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional, Unidad Oaxaca, Hornos 1003, C.P. 71230, Santa Cruz Xoxocotlán, Oaxaca, Mexico
| | - Norberto Farfán
- Facultad de Química, Departamento de Química Orgánica, Universidad Nacional Autónoma de México, C.P. 04510 CDMX, Mexico
| | - Maricela Morales-Chamorro
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del IPN, Apdo. Postal 14-740, C.P. 07000 CDMX, Mexico
| | - Lilian Yépez-Mulia
- Unidad de Investigación Médica en Enfermedades Infecciosas y Parasitarias, UMAE Hospital de Pediatría, Centro Médico Siglo XXI, Instituto Mexicano del Seguro Social, C.P. 06720 CDMX, Mexico
| | - Eduardo Pérez-Campos
- Facultad de Ciencias Químicas, Universidad Autónoma "Benito Juárez" de Oaxaca, Oaxaca 68120, Mexico
| | - Rosa Santillan
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del IPN, Apdo. Postal 14-740, C.P. 07000 CDMX, Mexico.
| | - Adriana Moreno-Rodríguez
- Facultad de Ciencias Químicas, Universidad Autónoma "Benito Juárez" de Oaxaca, Oaxaca 68120, Mexico.
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10
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Nagare YK, Shah IA, Yadav J, Pawar AP, Choudhary R, Chauhan P, Kumar I. Electrochemical Oxidative Coupling Between Benzylic C(sp 3)-H and N-H of Secondary Amines: Rapid Synthesis of α-Amino α-Aryl Esters. J Org Chem 2021; 86:9682-9691. [PMID: 34184902 DOI: 10.1021/acs.joc.1c00944] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
An intermolecular electrochemical coupling between the benzylic C(sp3)-H bond and various secondary amines is reported. The electronic behavior of two electronically rich units viz the α-position of α-aryl acetates and amines was engineered electrochemically, thus facilitating their reactivity for the direct access of α-amino esters. A series of acyclic/cyclic secondary amines and α-aryl acetates were tested to furnish the corresponding α-amino esters with high yields (up to 92%) under mild conditions.
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Affiliation(s)
- Yadav Kacharu Nagare
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
| | - Imtiyaz Ahmad Shah
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
| | - Jyothi Yadav
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
| | - Amol Prakash Pawar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
| | - Rahul Choudhary
- Praveen Laboratories Pvt. Ltd., Surat 394304, Gujarat, India
| | - Pankaj Chauhan
- Department of Chemistry, Indian Institute of Technology Jammu, Jammu 181221, India
| | - Indresh Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani 333031, Rajasthan, India
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11
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Zhao R, Teng J, Wang Z, Dong W, Lin J, Chu C. Copper on charcoal: Cu 0 nanoparticle catalysed aerobic oxidation of α-diazo esters. Org Biomol Chem 2021; 19:6120-6126. [PMID: 34179916 DOI: 10.1039/d1ob00811k] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By using a charcoal supported nano Cu0 catalyst (Cu/C), a highly efficient oxidation of α-diazo esters to α-ketoesters with molecular oxygen as the sole oxidant has been developed. In the presence of the Cu/C catalyst, 2-aryl-α-diazo esters with both electron-donating and electron-withdrawing groups can be oxidized to the corresponding α-ketoesters efficiently. Furthermore, this Cu/C catalyst can catalyse the reaction of aryl α-diazo ester with water to form aryl ketoester, 2-aryl-2-hydroxyl acetate ester and 2-aryl acetate ester. In this case, water is split by α-diazo ester, and the diazo group is displaced by the oxygen or hydrogen atom in water. Mechanistic investigation showed that the reaction of α-diazo ester with oxygen proceeds through a radical pathway. In the presence of 2,2,6,6-tetramethyl piperidine nitrogen oxide, the reaction of α-diazo ester with oxygen is dramatically inhibited. Furthermore, the reaction of α-diazo ester with water is investigated by an isotopic tracer method, and GCMS detection showed that a disproportionation reaction occurred between α-diazo ester and water.
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Affiliation(s)
- Rong Zhao
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Jiangge Teng
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Zhiwei Wang
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Wenwen Dong
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Jia Lin
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Changhu Chu
- Engineering Research Centre of Pharmaceutical Process Chemistry, Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
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12
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Yu W, Wang P, Xu K, Li H. Iron‐Promoted Radical Cyclization of β, γ‐Unsaturated Oximes: Dual Role of Iron(III) Nitrate as a Promoter and Nitrooxy Source. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Wei Yu
- Key Laboratory of Green and Precise Synthetic Chemistry and Application Ministry of Education; School of Chemistry and Material Science, Huaibei Normal University Huaibei, Anhui 235000 P. R. China
| | - Pei‐Long Wang
- Key Laboratory of Green and Precise Synthetic Chemistry and Application Ministry of Education; School of Chemistry and Material Science, Huaibei Normal University Huaibei, Anhui 235000 P. R. China
- Information College Huaibei Normal University Huaibei 235000 P. R. China
| | - Ke Xu
- Key Laboratory of Green and Precise Synthetic Chemistry and Application Ministry of Education; School of Chemistry and Material Science, Huaibei Normal University Huaibei, Anhui 235000 P. R. China
| | - Hongji Li
- Key Laboratory of Green and Precise Synthetic Chemistry and Application Ministry of Education; School of Chemistry and Material Science, Huaibei Normal University Huaibei, Anhui 235000 P. R. China
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13
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Takenaga N, Dohi T, China H, Kumar R. Azido, Cyano, and Nitrato Cyclic Hypervalent Iodine(III) Reagents in Heterocycle Synthesis. HETEROCYCLES 2021. [DOI: 10.3987/rev-20-sr(k)5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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14
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Kristoffersen T, Elumalai V, Starck E, Cousin É, Wagner LJ, Hansen SR, Hansen JH. Microwave‐Assisted Synthesis of Heterocycles from Aryldiazoacetates**. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Tone Kristoffersen
- UiT The Arctic University of Norway Department of Chemistry Chemical Synthesis and Analysis Group Hansine Hansens veg 54 9037 Tromsø Norway
| | - Vijayaragavan Elumalai
- UiT The Arctic University of Norway Department of Chemistry Chemical Synthesis and Analysis Group Hansine Hansens veg 54 9037 Tromsø Norway
| | - Eliot Starck
- UiT The Arctic University of Norway Department of Chemistry Chemical Synthesis and Analysis Group Hansine Hansens veg 54 9037 Tromsø Norway
| | - Étienne Cousin
- UiT The Arctic University of Norway Department of Chemistry Chemical Synthesis and Analysis Group Hansine Hansens veg 54 9037 Tromsø Norway
| | - Lucille J. Wagner
- UiT The Arctic University of Norway Department of Chemistry Chemical Synthesis and Analysis Group Hansine Hansens veg 54 9037 Tromsø Norway
| | - Stephanie R. Hansen
- UiT The Arctic University of Norway Department of Chemistry Chemical Synthesis and Analysis Group Hansine Hansens veg 54 9037 Tromsø Norway
| | - Jørn H. Hansen
- UiT The Arctic University of Norway Department of Chemistry Chemical Synthesis and Analysis Group Hansine Hansens veg 54 9037 Tromsø Norway
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15
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Okada CY, dos Santos CY, Jurberg ID. Blue light-promoted N–H insertion of amides, isatins, sulfonamides and imides into aryldiazoacetates: Synthesis of unnatural α-aryl amino acid derivatives. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131316] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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16
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Calvo R, Le Tellier A, Nauser T, Rombach D, Nater D, Katayev D. Synthesis, Characterization, and Reactivity of a Hypervalent-Iodine-Based Nitrooxylating Reagent. Angew Chem Int Ed Engl 2020; 59:17162-17168. [PMID: 32530081 DOI: 10.1002/anie.202005720] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Indexed: 11/11/2022]
Abstract
Herein, the synthesis and characterization of a hypervalent-iodine-based reagent that enables a direct and selective nitrooxylation of enolizable C-H bonds to access a broad array of organic nitrate esters is reported. This compound is bench stable, easy-to-handle, and delivers the nitrooxy (-ONO2 ) group under mild reaction conditions. Activation of the reagent by Brønsted and Lewis acids was demonstrated in the synthesis of nitrooxylated β-keto esters, 1,3-diketones, and malonates, while its activity under photoredox catalysis was shown in the synthesis of nitrooxylated oxindoles. Detailed mechanistic studies including pulse radiolysis, Stern-Volmer quenching studies, and UV/Vis spectroelectrochemistry reveal a unique single-electron-transfer (SET)-induced concerted mechanistic pathway not reliant upon generation of the nitrate radical.
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Affiliation(s)
- Roxan Calvo
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology ETH Zürich, Vladimir-Prelog-Weg 2, 8093, Zürich, Switzerland
| | - Antoine Le Tellier
- Department of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211, Geneva 4, Switzerland
| | - Thomas Nauser
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology ETH Zürich, Vladimir-Prelog-Weg 2, 8093, Zürich, Switzerland
| | - David Rombach
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology ETH Zürich, Vladimir-Prelog-Weg 2, 8093, Zürich, Switzerland
| | - Darryl Nater
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology ETH Zürich, Vladimir-Prelog-Weg 2, 8093, Zürich, Switzerland
| | - Dmitry Katayev
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology ETH Zürich, Vladimir-Prelog-Weg 2, 8093, Zürich, Switzerland
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17
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Calvo R, Le Tellier A, Nauser T, Rombach D, Nater D, Katayev D. Synthese, Charakterisierung und Reaktivität eines Nitrooxylierungsreagenzes basierend auf einer hypervalenten Iodverbindung. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005720] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Roxan Calvo
- Department of Chemistry and Applied Biosciences Swiss Federal Institute of Technology ETH Zürich Vladimir-Prelog-Weg 2 8093 Zürich Schweiz
| | - Antoine Le Tellier
- Department of Organic Chemistry University of Geneva Quai Ernest Ansermet 30 1211 Geneva 4 Schweiz
| | - Thomas Nauser
- Department of Chemistry and Applied Biosciences Swiss Federal Institute of Technology ETH Zürich Vladimir-Prelog-Weg 2 8093 Zürich Schweiz
| | - David Rombach
- Department of Chemistry and Applied Biosciences Swiss Federal Institute of Technology ETH Zürich Vladimir-Prelog-Weg 2 8093 Zürich Schweiz
| | - Darryl Nater
- Department of Chemistry and Applied Biosciences Swiss Federal Institute of Technology ETH Zürich Vladimir-Prelog-Weg 2 8093 Zürich Schweiz
| | - Dmitry Katayev
- Department of Chemistry and Applied Biosciences Swiss Federal Institute of Technology ETH Zürich Vladimir-Prelog-Weg 2 8093 Zürich Schweiz
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18
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Stivanin ML, Fernandes AAG, Silva AF, Okada CY, Jurberg ID. Blue Light‐Promoted N−H Insertion of Carbazoles, Pyrazoles and 1,2,3‐Triazoles into Aryldiazoacetates. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901343] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Mateus L. Stivanin
- State University of CampinasInstitute of Chemistry. Rua Monteiro Lobato 270 13083-862 Campinas, SP Brazil
| | - Alessandra A. G. Fernandes
- State University of CampinasInstitute of Chemistry. Rua Monteiro Lobato 270 13083-862 Campinas, SP Brazil
| | - Amanda F. Silva
- State University of CampinasInstitute of Chemistry. Rua Monteiro Lobato 270 13083-862 Campinas, SP Brazil
| | - Celso Y. Okada
- State University of CampinasInstitute of Chemistry. Rua Monteiro Lobato 270 13083-862 Campinas, SP Brazil
| | - Igor D. Jurberg
- State University of CampinasInstitute of Chemistry. Rua Monteiro Lobato 270 13083-862 Campinas, SP Brazil
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19
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Li B, Cheng X, Guan ZY, Li SY, Huo T, Cheng G, Fan YH, Zhou FS, Deng QH. Zinc-catalyzed asymmetric nitrooxylation of β-keto esters/amides with a benziodoxole-derived nitrooxy transfer reagent. Org Chem Front 2020. [DOI: 10.1039/d0qo01022g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Zinc-catalyzed asymmetric nitrooxylation to afford a series of α-nitrooxy β-keto esters/amides in high yields and with low to moderate enantioselectivities has been disclosed.
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Affiliation(s)
- Bin Li
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Xuan Cheng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Zhen-Yu Guan
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Si-Yuan Li
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Tao Huo
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Guo Cheng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Yan-Hui Fan
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Fang-Shuai Zhou
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
| | - Qing-Hai Deng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- P. R. China
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