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Prats Luján A, Faizan Bhat M, Acosta Marko EE, Fodran P, Poelarends GJ. Exploiting Nitroreductases for the Tailored Photoenzymatic Synthesis of Structurally Diverse Heterocyclic Compounds. Chemistry 2024; 30:e202402380. [PMID: 39011613 DOI: 10.1002/chem.202402380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2024] [Revised: 07/15/2024] [Accepted: 07/16/2024] [Indexed: 07/17/2024]
Abstract
N-heterocyclic compounds have a broad range of applications and their selective synthesis is very appealing for the pharmaceutical and agrochemical industries. Herein we report the usage of the flavin-dependent nitroreductase BaNTR1 for the photoenzymatic synthesis of various anthranils and quinolines from retro-synthetically designed o-nitrophenyl-substituted carbonyl substrates, achieving high conversions (up to >99 %) and good product yields (up to 96 %). Whereas the effective production of anthranils required the inclusion of H2O2 in the reaction mixtures to accumulate the needed hydroxylamine intermediates, the formation of quinolines required the use of anaerobic or reducing conditions to efficiently generate the essential amine intermediates. Critical to our success was the high chemoselectivity of BaNTR1, performing selective reduction of the nitro group without reduction of the carbonyl moiety or the activated carbon-carbon double bond. The results highlight the usefulness of an innocuous chlorophyll- and nitroreductase-based photoenzymatic system for the tailored synthesis of diverse N-heterocycles from simple nitro compounds.
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Affiliation(s)
- Alejandro Prats Luján
- Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Mohammad Faizan Bhat
- Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Edgar Eduardo Acosta Marko
- Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Peter Fodran
- Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Gerrit J Poelarends
- Department of Chemical and Pharmaceutical Biology, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
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2
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Kim SB, Park G, Park ES, Maiti S, Kim J. Mn-Catalyzed Aerobic Oxidative α-Cyanation of Tertiary Amines Using Azo/Hydrazide Redox. J Org Chem 2024; 89:14543-14548. [PMID: 39298278 DOI: 10.1021/acs.joc.4c01609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2024]
Abstract
Azo compounds such as diethyl azodicarboxylate have been used in oxidative coupling reactions to generate iminium ions from tertiary amines. However, the requirement of stoichiometric amounts of azo compounds limits their large-scale applications. Herein, we present an aerobic oxidative α-cyanation of tertiary amines using catalytic amounts of an azo compound or hydrazine. The developed protocol provides a practical and ecofriendly route for α-cyanated tertiary amines, using molecular oxygen as the terminal oxidant.
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Affiliation(s)
- Su Been Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Gayeong Park
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Eun Sun Park
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Santanu Maiti
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Jinho Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
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3
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Shen Y, Chen F, Du Z, Zhang H, Liu J, Liu N. Cu(I) Complexes Catalyzed the Dehydrogenation of N-Heterocycles. J Org Chem 2024; 89:4530-4537. [PMID: 38483270 DOI: 10.1021/acs.joc.3c02768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
A copper-catalyzed method for the dehydrogenation of various nitrogen-containing heterocycles to furnish quinolines and indoles has been developed. A range of 1,2,3,4-tetrahydroquinolines underwent dehydrogenation by employing 2 mol % of copper complex Cat 3 as a catalyst and using O2 as an oxidant at 120 °C in 1,2-dichlorobenzene to afford the desired quinolines. The method enables the dehydrogenation of a variety of indolines in the presence of 2 mol % of copper complex Cat 2, using 10 mol % of TEMPO as an additive and O2 as an oxidant under room temperature in tetrahydrofuran to furnish indoles in high yields. Mechanistic studies suggested that the dehydrogenative activity is ascribed to the formation of a copper(II) active species from copper(I) complexes oxidized by O2, which was proved by high-resolution mass spectrometry (HRMS). The copper-catalyzed dehydrogenation reaction proceeds via a superoxide radical anion (·O2-) as proved by electron paramagnetic resonance (EPR) spectrometry. In situ infrared spectroscopy revealed that the dihydroquinoline intermediate was formed in the dehydrogenation of 1,2,3,4-tetrahydroquinolines.
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Affiliation(s)
- Yangyang Shen
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North fourth Road, Shihezi, Xinjiang 832003, China
| | - Fei Chen
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North fourth Road, Shihezi, Xinjiang 832003, China
| | - Zhihong Du
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North fourth Road, Shihezi, Xinjiang 832003, China
| | - Hao Zhang
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North fourth Road, Shihezi, Xinjiang 832003, China
| | - Jichang Liu
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North fourth Road, Shihezi, Xinjiang 832003, China
| | - Ning Liu
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, North fourth Road, Shihezi, Xinjiang 832003, China
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Saini MK, Prajapati K, Basak AK. Synthesis of Azonia Aromatic Heterocycles Bearing 6-6-6-5-6 Pentacyclic Core via Intramolecular [4 + 2]-Cycloaddition and Oxidative Aromatization Reaction Sequence in One Pot. J Org Chem 2024; 89:68-79. [PMID: 38111967 DOI: 10.1021/acs.joc.3c01506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Cationic aza-heterocycle-fused compounds have gained wide applications in materials science, biological applications, and synthetic organic chemistry. In this report, synthesis of benzothiazolochromenopyridinium tetrafluoroborates, a novel molecular scaffold, bearing 6-6-6-5-6 pentacyclic core is described that proceeds via (i) piperidine-catalyzed Knoevenagel condensation between 2-propargyloxyarylaldehydes bearing internal alkynes and 2-benzothiazoleacetonitrile, (ii) intramolecular formal [4 + 2]-cycloaddition, and (iii) crucial molecular oxygen-mediated oxidative aromatization reaction sequence in one pot. These quaternary pyridinium salts are obtained at ambient temperature in good to high yields.
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Affiliation(s)
- Manoj Kumar Saini
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Karmdeo Prajapati
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Ashok K Basak
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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5
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Yang R, Xiong Y, Deng S, Bai J, Song XR, Xiao Q. NBS-mediated bromination and dehydrogenation of tetrahydro-quinoline in one pot: scope and mechanistic study. RSC Adv 2023; 13:33495-33499. [PMID: 38025860 PMCID: PMC10646511 DOI: 10.1039/d3ra06747e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 11/07/2023] [Indexed: 12/01/2023] Open
Abstract
A facile and general approach was developed for the efficient construction of functionalized bromoquinolines by the dehydrogenation of tetrahydroquinolines using NBS as the electrophile and as oxidant. The cascade transformation proceeded with good functional group tolerance under metal-free conditions with a short reaction duration. Various tetrahydroquinolines bearing either electron-rich or electron-deficient groups at different positions were successfully converted into the corresponding target products in moderate to high yields under mild conditions. It is worth noting that the obtained polybromoquinolines could further undergo classic metal-catalyzed cross-coupling reactions with good regioselectivity. The Sonagashira coupling reaction occurred regioselectively in the C-6 position of the obtained products followed by a Suzuki coupling reaction to give multifunctionalized quinolines. The mechanism indicated that electrophilic bromination/radical dehydrogenation sequences occurred in one pot.
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Affiliation(s)
- Ruchun Yang
- Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Key Laboratory of Organic Chemistry Nanchang 330013 Jiangxi Province China
| | - Yongge Xiong
- Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Key Laboratory of Organic Chemistry Nanchang 330013 Jiangxi Province China
| | - Si Deng
- Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Key Laboratory of Organic Chemistry Nanchang 330013 Jiangxi Province China
| | - Jiang Bai
- Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Key Laboratory of Organic Chemistry Nanchang 330013 Jiangxi Province China
| | - Xian-Rong Song
- Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Key Laboratory of Organic Chemistry Nanchang 330013 Jiangxi Province China
| | - Qiang Xiao
- Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Key Laboratory of Organic Chemistry Nanchang 330013 Jiangxi Province China
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Kim SB, Maiti S, Park ES, Kim GY, Choun Y, Ahn SK, Kim JK, Kim J. One-Pot Synthesis of 1,3,4-Oxadiazines from Acylhydrazides and Allenoates. Molecules 2023; 28:molecules28093815. [PMID: 37175225 PMCID: PMC10180079 DOI: 10.3390/molecules28093815] [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: 03/30/2023] [Revised: 04/19/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
The framework of 1,3,4-oxadiazine is crucial for numerous bioactive molecules, but only a limited number of synthetic methods have been reported for its production. In 2015, Wang's group developed a 4-(dimethylamino)pyridine (DMAP)-catalyzed [2 + 4] cycloaddition of allenoates with N-acyldiazenes, which provided an atom-efficient route for 1,3,4-oxadiazines. However, the practicality of this method was limited by the instability of N-acyldiazenes as starting materials. Building upon our ongoing research about the aerobic oxidation of hydrazides and their synthetic applications, we hypothesized that aerobic oxidative cycloadditions using acylhydrazides instead of N-acyldiazenes may provide a more practical synthetic route for 1,3,4-oxadiazines. In this manuscript, we describe a one-pot synthetic protocol for 1,3,4-oxadiazines from acylhydrazides and allenoates. The developed one-pot protocol consists of aerobic oxidations of acylhydrazides into N-acyldiazenes using NaNO2 and HNO3, followed by the DMAP-catalyzed cycloaddition of allenoate with the generated N-acyldiazenes. A variety of 1,3,4-oxadiazines were produced in good to high yields. In addition, the practicality of the developed method was demonstrated by a gram-scale synthesis of 1,3,4-oxadiazine.
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Affiliation(s)
- Su Been Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Santanu Maiti
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Eun Sun Park
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Ga Young Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Yunji Choun
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Soon Kil Ahn
- Institute for New Drug Development, Division of Life Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Jae Kwang Kim
- Division of Life Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Jinho Kim
- Department of Chemistry and Research Institute of Basic Sciences, Incheon National University, Incheon 22012, Republic of Korea
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7
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Tawfeek HN, Hassan AA, Bräse S, Nieger M, Mostafa YA, Gomaa HA, Youssif BG, El-Shreef EM. Design, synthesis, crystal structures and biological evaluation of some 1,3-thiazolidin-4-ones as dual CDK2/EGFR potent inhibitors with potential apoptotic antiproliferative effects. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Lim JH, Baek SE, Lad BS, Kim J. Synthesis of 2-Imino-1,3,4-oxadiazolines from Acylhydrazides and Isothiocyanates via Aerobic Oxidation and a DMAP-Mediated Annulation Sequence. ACS OMEGA 2022; 7:28148-28159. [PMID: 35990423 PMCID: PMC9386851 DOI: 10.1021/acsomega.2c02323] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 07/18/2022] [Indexed: 05/27/2023]
Abstract
In this work, an efficient synthesis of 2-imino-1,3,4-oxadiazolines from acylhydrazides and isothiocyanates is described. In the presence of 4-dimethylaminopyridine (DMAP) and molecular oxygen, various 2-imino-1,3,4-oxadiazolines were produced in good to high yields. The developed method showed a broad substrate scope and was effective on the gram scale. On the basis of the mechanistic studies and previous literature, it was proposed that the mechanism consists of an aerobic oxidation of acylhydrazides facilitated by DMAP and isothiocyanates, followed by a DMAP-mediated annulation of the in situ generated acyldiazenes with isothiocyanates.
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9
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Xu S, Cai Z, Liao C, Shi J, Wen T, Xie F, Zhu Z, Chen X. Nitrogen-Doped Carbon Supported Nanocobalt Catalyst for Hydrogen-Transfer Dearomative Coupling of Quinolinium Salts and Tetrahydroquinolines. Org Lett 2022; 24:5209-5213. [PMID: 35833649 DOI: 10.1021/acs.orglett.2c02057] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A nitrogen-doped carbon supported nanocobalt catalyst was developed and successfully applied for the hydrogen-transfer coupling of quinolinium salts and tetrahydroquinoline compounds. The selective coupling of the C6 sites of tetrahydroquinolines (THQs) with the α sites of quinoline salts generated a series of 2-substituted N-alkyl-tetrahydroquinolines. This catalytic conversion method, which can be employed to synthesize various functionalized tetrahydroquinolines, has several advantages that include excellent hydrogen transfer selectivity, a reusable and inexpensive catalyst, and environmental friendliness.
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Affiliation(s)
- Shengting Xu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Zechun Cai
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Chuyi Liao
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Jianyi Shi
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Tingting Wen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Feng Xie
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Zhongzhi Zhu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
| | - Xiuwen Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, China
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10
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One‐pot synthesis of 2‐imino‐1,3,4‐thiadiazolines from acylhydrazides and isothiocyanates. B KOREAN CHEM SOC 2022. [DOI: 10.1002/bkcs.12585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Bera A, Bera S, Banerjee D. Recent advances in the synthesis of N-heteroarenes via catalytic dehydrogenation of N-heterocycles. Chem Commun (Camb) 2021; 57:13042-13058. [PMID: 34781335 DOI: 10.1039/d1cc04919d] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Bio-active molecules having N-heteroarene core are widely used for numerous medicinal applications and as lifesaving drugs. In this direction, dehydrogenation of partially saturated aromatic N-heterocycles shows utmost importance for the synthesis of heterocycles. This feature article highlights the recent advances, from 2009 to April 2021, on the dehydrogenation of N-heteroaromatics. Notable features considering the development of newer catalysis for dehydrogenations are: (i) approaches based on precious metal catalysis, (ii) newer strategies and catalyst development technology using non-precious metal-catalysts for N-heterocycles having one or more heteroatoms, (iii) Synthesis of five or six-membered N-heterocycles using photocatalysis, electrocatalytic, and organo-catalytic approaches using different homogeneous and heterogeneous conditions' (iv) metal free (base and acid-promoted) dehydrogenation along with I2, N-hydroxyphthalimide (NHPI) and bio catalyzed miscellaneous examples have also been discussed, (v) mechanistic studies for various dehydrogenation reactions and (vi) synthetic applications of various bio-active molecules including post-drug derivatization are discussed.
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Affiliation(s)
- Atanu Bera
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Sourajit Bera
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
| | - Debasis Banerjee
- Department of Chemistry, Laboratory of Catalysis and Organic Synthesis, Indian Institute of Technology Roorkee, Roorkee-247667, Uttarakhand, India.
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12
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Yoo HS, Yang YS, Kim SL, Son SH, Jang YH, Shin JW, Kim NJ. Syntheses of 1H-Indoles, Quinolines, and 6-Membered Aromatic N-Heterocycle-Fused Scaffolds via Palladium(II)-Catalyzed Aerobic Dehydrogenation under Alkoxide-Free Conditions. Chem Asian J 2021; 16:3469-3475. [PMID: 34494376 DOI: 10.1002/asia.202100861] [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: 07/27/2021] [Revised: 08/25/2021] [Indexed: 12/14/2022]
Abstract
Aromatic N-heterocycle-fused scaffolds such as indoles and quinolines are important core structures found in various bioactive natural products and synthetic compounds. Recently, various dehydrogenation methods with the help of alkoxides, known to significantly promote dihydro- or tetrahydro-heterocycles to be oxidized, were developed for the heterocycle synthesis. However, these approaches are sometimes unsuitable due to resulting undesired side reactions such as reductive dehalogenation. Herein, expedient syntheses of 1H-indoles, quinolines, and 6-membered N-heterocycle-fused scaffolds from their hydrogenated forms through palladium(II)-catalyzed aerobic dehydrogenation under alkoxide-free conditions are reported. A total of 48 compounds were successfully synthesized with a wide range of functional groups including halogens (up to 99% yield). These methodologies provide facile routes for various privileged structures possessing aromatic N-heterocycles without the help of alkoxides, in highly efficient manners.
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Affiliation(s)
- Hyung-Seok Yoo
- College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Yo-Sep Yang
- College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Soo Lim Kim
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Seung Hwan Son
- College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Yoon Hu Jang
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Jeong-Won Shin
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Nam-Jung Kim
- College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea.,Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
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13
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Affiliation(s)
- Junsu Kim
- Department of Chemistry, and Research Institute of Basic Sciences Incheon National University 119 Academy-ro, Yeonsu-gu Incheon 22012 Republic of Korea
| | - Da Hye Lee
- Department of Chemistry, and Research Institute of Basic Sciences Incheon National University 119 Academy-ro, Yeonsu-gu Incheon 22012 Republic of Korea
| | - Jinho Kim
- Department of Chemistry, and Research Institute of Basic Sciences Incheon National University 119 Academy-ro, Yeonsu-gu Incheon 22012 Republic of Korea
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Roslan II, Ng K, Alhooshani KR, Jaenicke S, Chuah G. In/Cu Catalyzed Multiple C−N/C−C Bond Formation via Multiple Bond Cleavage in a Three Component Synthesis of Arylimidazopyridine Carboxylates. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000637] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Irwan Iskandar Roslan
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Kian‐Hong Ng
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Khalid R. Alhooshani
- Chemistry Department King Fahd University of Petroleum and Minerals Dhahran 31261 Saudi Arabia
| | - Stephan Jaenicke
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Gaik‐Khuan Chuah
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
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15
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Prusty N, Kinthada LK, Meena R, Chebolu R, Ravikumar PC. Bismuth(iii)-catalyzed regioselective alkylation of tetrahydroquinolines and indolines towards the synthesis of bioactive core-biaryl oxindoles and CYP19 inhibitors. Org Biomol Chem 2021; 19:891-905. [PMID: 33410845 DOI: 10.1039/d0ob02385j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Bismuth(iii)-catalyzed regioselective functionalization at the C-6 position of tetrahydroquinolines and the C-5 position of indolines has been demonstrated. For the first time, one pot symmetrical and unsymmetrical arylation of isatins with tetrahydroquinolines was accomplished giving a completely new product skeleton in good to excellent yields. Most importantly, this protocol leads to the formation of a highly strained quaternary carbon stereogenic center, which is a challenging task. Benzhydryl and 1-phenylethyl trichloroacetimidates have been used as the alkylating partners to functionalize the C-6 and C-5 positions of tetrahydroquinolines and indolines, respectively. The scope of the developed methodology has been extended for the synthesis of the bioactive CYP19-inhibitor and its analogue.
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Affiliation(s)
- Namrata Prusty
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) HBNI, Bhubaneswar, Odisha 752050, India.
| | - Lakshmana K Kinthada
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) HBNI, Bhubaneswar, Odisha 752050, India.
| | - Rohit Meena
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) HBNI, Bhubaneswar, Odisha 752050, India.
| | - Rajesh Chebolu
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) HBNI, Bhubaneswar, Odisha 752050, India.
| | - Ponneri Chandrababu Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER) HBNI, Bhubaneswar, Odisha 752050, India.
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16
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Bera S, Bera A, Banerjee D. Nickel-Catalyzed Dehydrogenation of N-Heterocycles Using Molecular Oxygen. Org Lett 2020; 22:6458-6463. [DOI: 10.1021/acs.orglett.0c02271] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sourajit Bera
- Laboratory of Catalysis and Organic Synthesis, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Atanu Bera
- Laboratory of Catalysis and Organic Synthesis, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Debasis Banerjee
- Laboratory of Catalysis and Organic Synthesis, Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
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17
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Yang R, Yue S, Tan W, Xie Y, Cai H. DMSO/ t-BuONa/O 2-Mediated Aerobic Dehydrogenation of Saturated N-Heterocycles. J Org Chem 2020; 85:7501-7509. [PMID: 32368910 DOI: 10.1021/acs.joc.9b03447] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Aromatic N-heterocycles such as quinolines, isoquinolines, and indolines are synthesized via sodium tert-butoxide-promoted oxidative dehydrogenation of the saturated heterocycles in DMSO solution. This reaction proceeds under mild reaction conditions and has a good functional group tolerance. Mechanistic studies suggest a radical pathway involving hydrogen abstraction of dimsyl radicals from the N-H bond or α-C-H of the substrates and subsequent oxidation of the nitrogen or α-aminoalkyl radicals.
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Affiliation(s)
- Ruchun Yang
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China.,Institute of Organic Chemistry, Jiangxi Science & Technology Normal University, Key Laboratory of Organic Chemistry, Nanchang, Jiangxi 330013, China
| | - Shusheng Yue
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Wei Tan
- Clinic Laboratory, People's Hospital of Yichun City, Yichun, Jiangxi 336000, China
| | - Yongfa Xie
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Hu Cai
- College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
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18
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Yu K, Zhang H, Su C, Zhu Y. Visible-Light-Promoted Efficient Aerobic Dehydrogenation of N-Heterocycles by a Tiny Organic Semiconductor Under Ambient Conditions. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000170] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Kunyi Yu
- Department of Chemistry; Tsinghua University; 100084 Beijing PR China
| | - Hanjie Zhang
- Department of Chemistry; Tsinghua University; 100084 Beijing PR China
| | - Chenliang Su
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Engineering Technology Research Center for 2D Materials Information Functional Devices and Systems of Guangdong Province; Institute of Microscale Optoelectronics; Shenzhen University; 518060 Shenzhen PR China
| | - Yongfa Zhu
- Department of Chemistry; Tsinghua University; 100084 Beijing PR China
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19
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Jo G, Kim MH, Kim J. A practical route to azo compounds by metal-free aerobic oxidation of arylhydrazides using an NO x system. Org Chem Front 2020. [DOI: 10.1039/d0qo00043d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Metal-free aerobic oxidation of aryl hydrazides catalyzed by NOx was developed for the practical and environment friendly synthesis of azo compounds.
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Affiliation(s)
- Giwon Jo
- Department of Chemistry
- and Research Institute of Basic Sciences
- Incheon National University
- Incheon 22012
- Republic of Korea
| | - Min Hye Kim
- Department of Chemistry
- and Research Institute of Basic Sciences
- Incheon National University
- Incheon 22012
- Republic of Korea
| | - Jinho Kim
- Department of Chemistry
- and Research Institute of Basic Sciences
- Incheon National University
- Incheon 22012
- Republic of Korea
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20
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Bains AK, Adhikari D. Mechanistic insight into the azo radical-promoted dehydrogenation of heteroarene towards N-heterocycles. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01008a] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A mechanistic analysis reflecting the desaturation of heteroarene towards the efficient synthesis of pyrimidine and triazine under mild conditions.
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Affiliation(s)
- Amreen K. Bains
- Department of Chemical Sciences
- Indian Institute of Science Education and Research (IISER) Mohali
- SAS Nagar-140306
- India
| | - Debashis Adhikari
- Department of Chemical Sciences
- Indian Institute of Science Education and Research (IISER) Mohali
- SAS Nagar-140306
- India
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21
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Tang T, Bi X, Meng X, Chen G, Gou M, Liu X, Zhao P. MnOx/catechol/H2O: A cooperative catalytic system for aerobic oxidative dehydrogenation of N-heterocycles at room temperature. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151425] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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22
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Hu Z, Ge H, Yang X. Binuclear O 2 activation and hydrogen transfer mechanism for aerobic oxidation of alcohols. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00025f] [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
Density functional theory calculations reveal a binuclear O2 activation and hydrogen transfer mechanism with spin-crossovers for aerobic oxidation of alcohols.
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Affiliation(s)
- Zhiyun Hu
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species
- Institute of Chemistry Chinese Academy of Sciences
- Beijing 100190
- P. R. China
- University of Chinese Academy of Sciences
| | - Hongyu Ge
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species
- Institute of Chemistry Chinese Academy of Sciences
- Beijing 100190
- P. R. China
- University of Chinese Academy of Sciences
| | - Xinzheng Yang
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species
- Institute of Chemistry Chinese Academy of Sciences
- Beijing 100190
- P. R. China
- University of Chinese Academy of Sciences
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23
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Bi X, Tang T, Meng X, Gou M, Liu X, Zhao P. Aerobic oxidative dehydrogenation of N-heterocycles over OMS-2-based nanocomposite catalysts: preparation, characterization and kinetic study. Catal Sci Technol 2020. [DOI: 10.1039/c9cy01968e] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OMS-2-based nanocomposites doped with sodium phosphotungstate were prepared and their remarkably enhanced catalytic activity and recyclability in aerobic oxidative dehydrogenation of N-heterocycles were examined in detail.
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Affiliation(s)
- Xiuru Bi
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- Suzhou Research Institute of LICP
- Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Tao Tang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- Suzhou Research Institute of LICP
- Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Xu Meng
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- Suzhou Research Institute of LICP
- Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Mingxia Gou
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- Suzhou Research Institute of LICP
- Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences
- Lanzhou 730000
- China
| | - Xiang Liu
- College of Materials and Chemical Engineering
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials
- China Three Gorges University
- Yichang
- China
| | - Peiqing Zhao
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
- Suzhou Research Institute of LICP
- Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences
- Lanzhou 730000
- China
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24
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Balayeva NO, Zheng N, Dillert R, Bahnemann DW. Visible-Light-Mediated Photocatalytic Aerobic Dehydrogenation of N-heterocycles by Surface-Grafted TiO2 and 4-amino-TEMPO. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03322] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Narmina O. Balayeva
- Institute of Technical Chemistry, Gottfried Wilhelm Leibniz University of Hannover, Callinstr. 5, D-30167 Hannover, Germany
| | - Nan Zheng
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, United States
| | - Ralf Dillert
- Institute of Technical Chemistry, Gottfried Wilhelm Leibniz University of Hannover, Callinstr. 5, D-30167 Hannover, Germany
- Laboratory of Nano and Quantum Engineering, Gottfried Wilhelm Leibniz University of Hannover, Schneiderberg 39, D-30167 Hannover, Germany
| | - Detlef W. Bahnemann
- Institute of Technical Chemistry, Gottfried Wilhelm Leibniz University of Hannover, Callinstr. 5, D-30167 Hannover, Germany
- Laboratory of Nano and Quantum Engineering, Gottfried Wilhelm Leibniz University of Hannover, Schneiderberg 39, D-30167 Hannover, Germany
- Laboratory “Photoactive Nanocomposite Materials”, Saint-Petersburg State University, Ulyanovskaya str. 1, Peterhof, 198504 Saint Petersburg, Russia
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25
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Bains AK, Kundu A, Yadav S, Adhikari D. Borrowing Hydrogen-Mediated N-Alkylation Reactions by a Well-Defined Homogeneous Nickel Catalyst. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02977] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Amreen K. Bains
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, SAS Nagar 140306, India
| | - Abhishek Kundu
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, SAS Nagar 140306, India
| | - Sudha Yadav
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, SAS Nagar 140306, India
| | - Debashis Adhikari
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, SAS Nagar 140306, India
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26
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Muthukrishnan I, Sridharan V, Menéndez JC. Progress in the Chemistry of Tetrahydroquinolines. Chem Rev 2019; 119:5057-5191. [PMID: 30963764 DOI: 10.1021/acs.chemrev.8b00567] [Citation(s) in RCA: 238] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Tetrahydroquinoline is one of the most important simple nitrogen heterocycles, being widespread in nature and present in a broad variety of pharmacologically active compounds. This Review summarizes the progress achieved in the chemistry of tetrahydroquinolines, with emphasis on their synthesis, during the period from mid-2010 to early 2018.
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Affiliation(s)
- Isravel Muthukrishnan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India
| | - Vellaisamy Sridharan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India.,Department of Chemistry and Chemical Sciences , Central University of Jammu , Rahya-Suchani (Bagla) , District-Samba, Jammu 181143 , Jammu and Kashmir , India
| | - J Carlos Menéndez
- Unidad de Química Orgańica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia , Universidad Complutense , 28040 Madrid , Spain
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27
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Chemoselective aerobic oxidation of 2-amino-N-benzylanilines into N-(2-aminophenyl)imines via a nitroxide-free copper catalysis. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.03.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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28
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Jia Z, Yang Q, Zhang L, Luo S. Photoredox Mediated Acceptorless Dehydrogenative Coupling of Saturated N-Heterocycles. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00123] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Zongbin Jia
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China, 100190
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, China, 100049
| | - Qi Yang
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China, 100190
- School of Chemical Science, University of Chinese Academy of Sciences, Beijing, China, 100049
| | - Long Zhang
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China, 100190
- Center of Basic Molecular Science, Department of Chemistry, Tsinghua University, Beijing, China, 100084
| | - Sanzhong Luo
- Key Laboratory for Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China, 100190
- Center of Basic Molecular Science, Department of Chemistry, Tsinghua University, Beijing, China, 100084
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29
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Chung S, Kim J. Cu-catalyzed aerobic oxidative synthesis of sulfonamides from sulfonyl hydrazides and amines. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.02.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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30
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Muralirajan K, Kancherla R, Rueping M. Dehydrogenative Aromatization and Sulfonylation of Pyrrolidines: Orthogonal Reactivity in Photoredox Catalysis. Angew Chem Int Ed Engl 2018; 57:14787-14791. [DOI: 10.1002/anie.201808427] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 08/22/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Krishnamoorthy Muralirajan
- KAUST Catalysis Center (KCC); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Saudi Arabia
| | - Rajesh Kancherla
- KAUST Catalysis Center (KCC); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Saudi Arabia
| | - Magnus Rueping
- KAUST Catalysis Center (KCC); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Saudi Arabia
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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31
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Muralirajan K, Kancherla R, Rueping M. Dehydrogenative Aromatization and Sulfonylation of Pyrrolidines: Orthogonal Reactivity in Photoredox Catalysis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808427] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Krishnamoorthy Muralirajan
- KAUST Catalysis Center (KCC); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Saudi Arabia
| | - Rajesh Kancherla
- KAUST Catalysis Center (KCC); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Saudi Arabia
| | - Magnus Rueping
- KAUST Catalysis Center (KCC); King Abdullah University of Science and Technology (KAUST); Thuwal 23955-6900 Saudi Arabia
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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32
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Jung D, Jang SH, Yim T, Kim J. Oxidation Potential Tunable Organic Molecules and Their Catalytic Application to Aerobic Dehydrogenation of Tetrahydroquinolines. Org Lett 2018; 20:6436-6439. [PMID: 30277404 DOI: 10.1021/acs.orglett.8b02749] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this work, oxidation potential tunable organic molecules, alkyl 2-phenyl hydrazocarboxylates, were disclosed. The exquisite tuning of their oxidation potentials facilitated a catalytic dehydrogenation of 1,2,3,4-tetrahydroquinolines in the presence of Mn(Pc) and O2.
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Affiliation(s)
- Dahyeon Jung
- Department of Chemistry and Research Institute of Basic Sciences , Incheon National University , 119 Academy-ro , Yeonsu-gu , Incheon 22012 , Republic of Korea
| | - Seol Heui Jang
- Department of Chemistry and Research Institute of Basic Sciences , Incheon National University , 119 Academy-ro , Yeonsu-gu , Incheon 22012 , Republic of Korea
| | - Taeeun Yim
- Department of Chemistry and Research Institute of Basic Sciences , Incheon National University , 119 Academy-ro , Yeonsu-gu , Incheon 22012 , Republic of Korea
| | - Jinho Kim
- Department of Chemistry and Research Institute of Basic Sciences , Incheon National University , 119 Academy-ro , Yeonsu-gu , Incheon 22012 , Republic of Korea
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33
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34
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Ramana DV, Chandrasekharam M. Copper‐Catalyzed Direct Oxidative α‐Functionalization of Tetrahydroquinoline in Water under Mild Conditions. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800684] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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35
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Zumbrägel N, Sako M, Takizawa S, Sasai H, Gröger H. Vanadium-Catalyzed Dehydrogenation of N-Heterocycles in Water. Org Lett 2018; 20:4723-4727. [DOI: 10.1021/acs.orglett.8b01484] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nadine Zumbrägel
- Chair of Organic Chemistry I, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Makoto Sako
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Shinobu Takizawa
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Hiroaki Sasai
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Harald Gröger
- Chair of Organic Chemistry I, Faculty of Chemistry, Bielefeld University, Universitätsstraße 25, 33615 Bielefeld, Germany
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36
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Shimomoto Y, Matsubara R, Hayashi M. Synthesis of Arylamines viaNon-AerobicDehydrogenation Using a Palladium/Carbon-Ethylene System. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800504] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yuya Shimomoto
- Department of Chemistry, Graduate School of Science; Kobe University, Nada; Kobe 657-8501 Japan
| | - Ryosuke Matsubara
- Department of Chemistry, Graduate School of Science; Kobe University, Nada; Kobe 657-8501 Japan
| | - Masahiko Hayashi
- Department of Chemistry, Graduate School of Science; Kobe University, Nada; Kobe 657-8501 Japan
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37
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Zhou W, Tao Q, Sun F, Cao X, Qian J, Xu J, He M, Chen Q, Xiao J. Additive-free aerobic oxidative dehydrogenation of N-heterocycles under catalysis by NiMn layered hydroxide compounds. J Catal 2018. [DOI: 10.1016/j.jcat.2018.01.030] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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38
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Bang SB, Kim J. Efficient dehydrogenation of 1,2,3,4-tetrahydroquinolines mediated by dialkyl azodicarboxylates. SYNTHETIC COMMUN 2018. [DOI: 10.1080/00397911.2018.1445866] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Saet Byeol Bang
- Department of Chemistry, and Research Institute of Basic Sciences, Incheon National University, Incheon, Republic of Korea
| | - Jinho Kim
- Department of Chemistry, and Research Institute of Basic Sciences, Incheon National University, Incheon, Republic of Korea
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39
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Zhou W, Chen D, Sun F, Qian J, He M, Chen Q. Aerobic oxidative dehydrogenation of N-heterocycles catalyzed by cobalt porphyrin. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.01.094] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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40
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Kim MH, Kim J. Aerobic Oxidation of Alkyl 2-Phenylhydrazinecarboxylates Catalyzed by CuCl and DMAP. J Org Chem 2018; 83:1673-1679. [DOI: 10.1021/acs.joc.7b03119] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Min Hye Kim
- Department of Chemistry, and Research
Institute of Natural Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
| | - Jinho Kim
- Department of Chemistry, and Research
Institute of Natural Sciences, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon 22012, Republic of Korea
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41
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An R, Liao L, Liu X, Song S, Zhao X. Acid-catalyzed oxidative cleavage of S–S and Se–Se bonds with DEAD: efficient access to sulfides and selenides. Org Chem Front 2018. [DOI: 10.1039/c8qo00909k] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An acid/DEAD system for oxidative cleavage of S–S and Se–Se bonds to generate chalcogenium ions has been developed. These ions could be captured by nucleophile-tethered alkenes and nucleophilic aryl reagents such as arylboronic acids and arenes to give chalcogenides.
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Affiliation(s)
- Rui An
- Institute of Organic Chemistry & MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Lihao Liao
- Institute of Organic Chemistry & MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Xiang Liu
- Institute of Organic Chemistry & MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Shuqin Song
- School of Materials Science and Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
| | - Xiaodan Zhao
- Institute of Organic Chemistry & MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- P. R. China
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42
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Kim MJ, Mun J, Kim J. Oxoammonium salt-mediated oxidative nitriles synthesis from aldehydes with ammonium acetate. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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43
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Sahoo MK, Jaiswal G, Rana J, Balaraman E. Organo-Photoredox Catalyzed Oxidative Dehydrogenation of N-Heterocycles. Chemistry 2017; 23:14167-14172. [PMID: 28805268 DOI: 10.1002/chem.201703642] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Indexed: 02/03/2023]
Abstract
We report here for the first time the catalytic oxidative dehydrogenation of N-heterocycles by a visible-light organo-photoredox catalyst with low catalyst loading (0.1-1 mol %). The reaction proceeds efficiently under base- and additive-free conditions with ambient air at room temperature. The utility of this benign approach is demonstrated by the synthesis of various pharmaceutically relevant N-heteroarenes such as quinoline, quinoxaline, quinazoline, acridine, and indole.
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Affiliation(s)
- Manoj K Sahoo
- Catalysis Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune -, 411008, India
| | - Garima Jaiswal
- Catalysis Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune -, 411008, India
| | - Jagannath Rana
- Catalysis Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune -, 411008, India
| | - Ekambaram Balaraman
- Catalysis Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune -, 411008, India
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44
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Sun XT, Zhu J, Xia YT, Wu L. Palladium Nanoparticles Stabilized by Metal-Carbon Covalent Bonds as an Expeditious Catalyst for the Oxidative Dehydrogenation of Nitrogen Heterocycles. ChemCatChem 2017. [DOI: 10.1002/cctc.201700370] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Xiao-Tao Sun
- Jiangsu Key Laboratory of Pesticide Science; Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P.R. China
| | - Jie Zhu
- Jiangsu Key Laboratory of Pesticide Science; Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P.R. China
| | - Yun-Tao Xia
- Jiangsu Key Laboratory of Pesticide Science; Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P.R. China
| | - Lei Wu
- Jiangsu Key Laboratory of Pesticide Science; Department of Chemistry; College of Sciences; Nanjing Agricultural University; Nanjing 210095 P.R. China
- Beijing National Laboratory for Molecular Sciences; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
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45
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Liu L, Qian LW, Wu S, Dong J, Xu Q, Zhou Y, Yin SF. Selective Aerobic C–H Amination of Phenols with Primary Amines over Copper toward Benzoxazoles. Org Lett 2017; 19:2849-2852. [DOI: 10.1021/acs.orglett.7b01061] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Long Liu
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Liang-Wei Qian
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Shaofeng Wu
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Jianyu Dong
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Qing Xu
- College
of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, China
| | - Yongbo Zhou
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Shuang-Feng Yin
- State
Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, China
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46
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März M, Chudoba J, Kohout M, Cibulka R. Photocatalytic esterification under Mitsunobu reaction conditions mediated by flavin and visible light. Org Biomol Chem 2017; 15:1970-1975. [DOI: 10.1039/c6ob02770a] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Excited flavin facilitates stereoselective coupling of alcohols and acids to esters in the presence of triphenylphosphine and catalytic amount of dialkyl hydrazinedicarboxylate.
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Affiliation(s)
- M. März
- Department of Organic Chemistry
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
| | - J. Chudoba
- Central Laboratories
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
| | - M. Kohout
- Department of Organic Chemistry
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
| | - R. Cibulka
- Department of Organic Chemistry
- University of Chemistry and Technology
- Prague
- 166 28 Prague
- Czech Republic
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47
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Wang G, Piva de Silva G, Wiebe NE, Fehr G, Davis RL. Development of a metal-free amine oxidation method utilizing DEAD chemistry. RSC Adv 2017. [DOI: 10.1039/c7ra09165f] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Development of a metal-free methodology for the efficient and general dehydrogenation of amines, accomplished by employing azodicarboxylate as oxidizing agents.
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Affiliation(s)
- G. Wang
- Department of Chemistry
- University of Manitoba
- Winnipeg
- Canada
| | - G. Piva de Silva
- Departamento de Química
- Universidade Federal de São Carlos
- São Carlos
- Brazil
| | - N. E. Wiebe
- Department of Chemistry
- University of Manitoba
- Winnipeg
- Canada
| | - G. M. Fehr
- Department of Chemistry
- University of Manitoba
- Winnipeg
- Canada
| | - R. L. Davis
- Department of Chemistry
- University of Manitoba
- Winnipeg
- Canada
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