1
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Zhang J, Liu C, Wu J, Tan X, Wu W, Jiang H. Palladium-Catalyzed Annulation of Tertiary Anilines with 3-Butenoic Acid via Dual C-H Bond Activation. Org Lett 2024; 26:4422-4426. [PMID: 38767940 DOI: 10.1021/acs.orglett.4c00880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Catalytic cyclization via dual C-H bond activation has evolved as a powerful strategy for building bi- and polycyclic molecules. Herein, a palladium-catalyzed annulation of tertiary anilines with 3-butenoic acid via N-α-C(sp3)-H and ortho-C(sp2)-H activation is described. The remarkable characteristics of this reaction include excellent diastereoselectivity, broad substrate scope, and good tolerance for some highly sensitive groups. In addition, the KIE experiment suggested that the C-H bond abscission is not the turnover-limiting step.
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Affiliation(s)
- Jinhui Zhang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Chao Liu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jiahao Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Xiangwen Tan
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
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2
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Sanabria-Sánchez CM, Kouznetsov VV, Ochoa-Puentes C. Diastereoselective multicomponent synthesis of dihydroisoindolo[2,1- a]quinolin-11-ones mediated by eutectic solvents. RSC Adv 2023; 13:26189-26195. [PMID: 37671006 PMCID: PMC10475973 DOI: 10.1039/d3ra05561b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 08/27/2023] [Indexed: 09/07/2023] Open
Abstract
In this contribution, a series of dihydroisoindolo[2,1-a]quinolin-11-ones was synthesized by a one-pot multicomponent Povarov reaction starting from anilines, alkenes (trans-anethole, methyl eugenol and indene) and 2-formylbenzoic acid. Different eutectic solvents bearing Lewis or Brønsted acids were evaluated as reaction media and catalysts for the model reaction employing p-toluidine and trans-anethole finding that the eutectic mixture ChCl/ZnCl2 (1/2) allowed the obtention of the target compound in 77% isolated yield. Under the optimized reaction conditions, 20 derivatives were obtained in good to moderated yields using meta- and para-susbstituted anilines, while the corresponding ortho-analogs followed a different pathway affording isoindolinones. In addition, the eutectic mixture was reused in six cycles without observing a detrimental catalytic activity. This methodology features mild reaction conditions, short reaction time, simple work-up, and utilization of a reusable solvent; and provides straightforward and diastereoselective access to these alkaloid-like heterocyclic molecules.
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Affiliation(s)
- Carlos M Sanabria-Sánchez
- Laboratorio de Química Orgánica y Biomolecular, Escuela de Química, Universidad Industrial de Santander Cl. 9 # Cra 27 A.A. 680006 Bucaramanga Santander Colombia
- Laboratorio de Síntesis Orgánica Sostenible, Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá Carrera 45 # 26-85 A.A. 5997 Bogotá Cundinamarca Colombia
| | - Vladimir V Kouznetsov
- Laboratorio de Química Orgánica y Biomolecular, Escuela de Química, Universidad Industrial de Santander Cl. 9 # Cra 27 A.A. 680006 Bucaramanga Santander Colombia
| | - Cristian Ochoa-Puentes
- Laboratorio de Síntesis Orgánica Sostenible, Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá Carrera 45 # 26-85 A.A. 5997 Bogotá Cundinamarca Colombia
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3
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Xia Q, Yang J, Zhang S, Zhang J, Li Z, Wang J, Chen X. Bodipy-Based Metal-Organic Frameworks Transformed in Solid States from 1D Chains to 2D Layer Structures as Efficient Visible Light Heterogeneous Photocatalysts for Forging C-B and C-C Bonds. J Am Chem Soc 2023; 145:6123-6134. [PMID: 36912066 DOI: 10.1021/jacs.2c11647] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Boron dipyrromethene (also known as bodipy), as a class of versatile and robust fluorophores and a structural analogue of porphyrins, has received a great deal of interests in the field of light-harvesting and energy-transfer processes. However, the fabrication of bodipy monomers into metal-organic frameworks (MOFs) and the exploitation of their potential still lags behind the porphyrin MOFs. In this work, two bodipy-based MOFs, BMOF 1D with 1D chain structure and BMOF 2D with 2D layer structure, were assembled by using dicarboxyl-functionalized bodipy ligands. BMOF 1D can also be converted to BMOF 2D by inserting additional ligands into BMOF 1D to cross-link the adjacent chains into the rhombic grid layer. During this process, spontaneous exfoliation occurred simultaneously and resulted in the formation of several hundred nanometer thickness BMOF 2D (nBMOF 2D), which can be further exfoliated into one-layer MOF nanosheets (BMON 2D) by using the ultrasonic liquid exfoliation method in a high yield. Featuring the distinct bodipy scaffolds in the porous frameworks, both BMOF 2D and BMON 2D displayed high reactivity and recyclability in the photocatalytic inverse hydroboration and cross-dehydrogenative coupling reactions to afford α-amino organoborons and α-amino amides in moderate to high yields. This work not only highlights the cascade utilization of ligand installation and ultrasonic liquid exfoliation methods to provide the single-layer MOF sheets in high yields but also advances the bodipy-based MOFs as a new type of heterogeneous photocatalysts in the forging of C-B and C-C bonds driven by visible light.
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Affiliation(s)
- Qingchun Xia
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jingli Yang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Suzhen Zhang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jie Zhang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zhiyong Li
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jianji Wang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xuenian Chen
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
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4
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Hu J, Wang S, Li B, Lei A. K 2S 2O 8-Induced [4+2] Annulation of Tertiary Anilines and Alkenes toward Tetrahydroquinolines. Org Lett 2023. [PMID: 36866524 DOI: 10.1021/acs.orglett.2c04335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Due to the unique physicochemical properties of heterocyclic compounds, their construction is one of the central issues in synthetic chemistry. Here, we report a K2S2O8-induced protocol for constructing tetrahydroquinolines from bulk chemicals (alkenes and anilines). The merit of this method has been demonstrated by its operational simplicity, wide scope, mild conditions, and transition-metal-free system.
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Affiliation(s)
- Jianguo Hu
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, Jiangxi, P. R. China.,Academician Workstation, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi, P. R. China
| | - Shengchun Wang
- The Institute for Advanced Studies (IAS) and College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei, P. R. China
| | - Bin Li
- Academician Workstation, Jiangxi University of Chinese Medicine, Nanchang 330004, Jiangxi, P. R. China
| | - Aiwen Lei
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, Jiangxi, P. R. China.,The Institute for Advanced Studies (IAS) and College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei, P. R. China
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5
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de Fátima Â, Fernandes SA, Ferreira de Paiva W, de Freitas Rego Y. The Povarov Reaction: A Versatile Method to Synthesize Tetrahydroquinolines, Quinolines and Julolidines. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1794-8355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AbstractThe multicomponent Povarov reaction represents a powerful approach for the construction of substances containing N-heterocyclic frameworks. By using the Povarov reaction, in addition to accessing tetrahydroquinolines, quinolines and julolidines in a single step, it is possible to form the following new bonds: two Csp
3–Csp
3 and one Csp
3–Nsp
3, two Csp
2–Csp
2 and one Csp
2–Nsp
2, and four Csp
3–Csp
3 and two Csp
3–Nsp
1, respectively. This short review discusses the main features of the Povarov reaction, including its mechanism, the reaction scope by employing different catalysts and substrates, as well as stereoselective versions.1 Introduction2 Mechanism of the Povarov Reaction3 Tetrahydroquinolines4 Quinolines5 Julolidines6 Concluding Remarks
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Affiliation(s)
- Ângelo de Fátima
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais
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6
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Vil' V, Grishin S, Baberkina E, Alekseenko A, Glinushkin A, Kovalenko A, Terent'ev A. Electrochemical Synthesis of Tetrahydroquinolines from Imines and Cyclic Ethers via Oxidation/Aza‐Diels‐Alder Cycloaddition. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Vera Vil'
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences RUSSIAN FEDERATION
| | - Sergei Grishin
- Zelinsky Institute of Organic Chemistry RAS RUSSIAN FEDERATION
| | - Elena Baberkina
- Dmitry Mendeleev University of Chemical Technology of Russia RUSSIAN FEDERATION
| | - Anna Alekseenko
- Zelinsky Institute of Organic Chemistry RAS RUSSIAN FEDERATION
| | | | - Alexey Kovalenko
- Dmitry Mendeleev University of Chemical Technology of Russia RUSSIAN FEDERATION
| | - Alexander Terent'ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences RUSSIAN FEDERATION
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7
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Zhang BB, Peng S, Wang F, Lu C, Nie J, Chen Z, Yang G, Ma C. Borane-catalyzed cascade Friedel–Crafts alkylation/[1,5]-hydride transfer/Mannich cyclization to afford tetrahydroquinolines. Chem Sci 2022; 13:775-780. [PMID: 35173942 PMCID: PMC8768868 DOI: 10.1039/d1sc05629h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022] Open
Abstract
We report a redox-neutral annulation reaction of tertiary amines with electron-deficient alkynes under metal-free and oxidant-free conditions.
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Affiliation(s)
- Bei-Bei Zhang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Shuo Peng
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Feiyi Wang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Cuifen Lu
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Junqi Nie
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Zuxing Chen
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Guichun Yang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Chao Ma
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
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8
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Ding Y, Kuang J, Xiao X, Wang L, Ma Y. Environmentally Benign Synthesis of Quinoline-Spiroquinazolinones by Iron-Catalyzed Dehydrogenative [4 + 2] Cycloaddition of Secondary/Tertiary Anilines and 4-Methylene-quinazolinones. J Org Chem 2021; 86:12257-12266. [PMID: 34387487 DOI: 10.1021/acs.joc.1c01602] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report an efficient iron-catalyzed cross-dehydrogenative coupling [4 + 2] annulation of secondary/tertiary anilines with quinazolinones to generate quinoline-spiroquinzolinones. The reaction proceeds smoothly with a relatively broad variety of functional groups, a cheap transition metal catalyst (FeCl3), and environmentally friendly oxidant (H2O2/O2) under mild reaction conditions. Creatively, N-methylanilines are employed for the first time for the cycloaddition as both methyl and methylene sources attached to the N atom of tetrahydroquinolines.
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Affiliation(s)
- Yuxin Ding
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P R China.,School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 310053, P R China
| | - Jinqiang Kuang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P R China
| | - Xuqiong Xiao
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, No. 2318 Yuhangtang Road, Hangzhou 311121, P R China
| | - Lei Wang
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P R China
| | - Yongmin Ma
- Institute of Advanced Studies and School of Pharmaceutical and Chemical Engineering, Taizhou University, Taizhou 318000, P R China.,School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou 310053, P R China
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9
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Zhang C, Li J, Wang X, Shen X, Zhu D, Shen R. Metal-Free Synthetic Shortcut to Octahydro-Dipyrroloquinoline Skeletons from 2,5-Cyclohexadienone Derivatives and l-Proline. J Org Chem 2021; 86:10397-10406. [PMID: 34283586 DOI: 10.1021/acs.joc.1c01083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The tandem decarboxylative condensation-dimerization reaction of l-proline with 2,5-cyclohexadienones including p-quinone monoacetals, p-quinol ethers, and p-quinols is reported to provide a concise and rapid synthesis of octahydro-dipyrroloquinoline compounds. The reaction features the use of cost-effective and readily available starting materials, high efficiency, metal-free and green reaction conditions. The reaction is applied to the synthesis of incargranine B aglycone. The discovery of this reaction may suggest a biosynthetic pathway from 2,5-cyclohexadienones and proline for natural ingredients containing pyrroloquinoline moieties.
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Affiliation(s)
- Can Zhang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jianbin Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xuan Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Dunru Zhu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ruwei Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
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10
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Simic M, Jovanovic P, Petkovic M, Tasic G, Jovanovic M, Savic V. Toward the synthesis of incargranine B and seneciobipyrrolidine. Synthesis of octahydro‐dipyrroloquinoline skeleton via dipolar cycloaddition/amination sequence. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Milena Simic
- University of Belgrade Faculty of Pharmacy, Department of Organic Chemistry Belgrade Serbia
| | - Predrag Jovanovic
- University of Belgrade Faculty of Pharmacy, Department of Organic Chemistry Belgrade Serbia
| | - Milos Petkovic
- University of Belgrade Faculty of Pharmacy, Department of Organic Chemistry Belgrade Serbia
| | - Gordana Tasic
- University of Belgrade Faculty of Pharmacy, Department of Organic Chemistry Belgrade Serbia
| | - Milos Jovanovic
- University of Belgrade Faculty of Pharmacy, Department of Organic Chemistry Belgrade Serbia
| | - Vladimir Savic
- University of Belgrade Faculty of Pharmacy, Department of Organic Chemistry Belgrade Serbia
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11
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Park DY, Hwang JY, Kang EJ. Fe(
III
)‐catalyzed Oxidative Povarov Reaction with Molecular Oxygen Oxidant. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12273] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Du Yong Park
- Department of Applied Chemistry Kyung Hee University Yongin 17104 Korea
| | - Joon Young Hwang
- Department of Applied Chemistry Kyung Hee University Yongin 17104 Korea
| | - Eun Joo Kang
- Department of Applied Chemistry Kyung Hee University Yongin 17104 Korea
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12
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Haarr MB, Sydnes MO. Synthesis of the Hexahydropyrrolo-[3,2-c]-quinoline Core Structure and Strategies for Further Elaboration to Martinelline, Martinellic Acid, Incargranine B, and Seneciobipyrrolidine. Molecules 2021; 26:molecules26020341. [PMID: 33440776 PMCID: PMC7827258 DOI: 10.3390/molecules26020341] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 02/03/2023] Open
Abstract
Natural products are rich sources of interesting scaffolds possessing a plethora of biological activity. With the isolation of the martinella alkaloids in 1995, namely martinelline and martinellic acid, the pyrrolo[3,2-c]quinoline scaffold was discovered. Since then, this scaffold has been found in two additional natural products, viz. incargranine B and seneciobipyrrolidine. These natural products have attracted attention from synthetic chemists both due to the interesting scaffold they contain, but also due to the biological activity they possess. This review highlights the synthetic efforts made for the preparation of these alkaloids and formation of analogues with interesting biological activity.
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13
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Mandal S, Saha S, Jana CK. Diastereoselective and Reversed Regioselective Annulations of N-Alkyl Anilines to Julolidines and Lilolidines. Org Lett 2020; 22:4883-4887. [PMID: 32519864 DOI: 10.1021/acs.orglett.0c01731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A three-component annulation reaction of N-alkyl anilines, cyclic 1,3-dicarbonyl compounds, and aryl aldehydes to julolidines and lilolidines is reported. The 6π-electrocyclization enabled the annulation to proceed with reversed regioselectivity as compared with the annulation that occurs in the Povarov reaction. Both cyclic and acyclic N-alkyl anilines participated in the reaction to provide a wide range of julolidines and lilolidines as the single regio- and diastereoisomers in good to excellent yields.
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Affiliation(s)
- Sumana Mandal
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 780139, India
| | - Subhajit Saha
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 780139, India
| | - Chandan K Jana
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam 780139, India
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14
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Mudithanapelli C, Kim MH. Metal-free late-stage C(sp 2)-H functionalization of N-aryl amines with various sodium salts. Org Biomol Chem 2020; 18:450-464. [PMID: 31799581 DOI: 10.1039/c9ob02217a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Metal-free consecutive C(sp2)-X (X = Cl, Br, S, N) bond formations of N-aryl amines (cyclic, fused, carbamate, and aminium radicals) were achieved under mild conditions using [bis(trifluoroacetoxy)iodo]benzene (PIFA) and simple nonharmful sodium salts. This direct and selective C(sp2)-H functionalization showed excellent functional group compatibility, cost effectiveness, and late-stage applicability for the synthesis of biologically active natural products. Two mechanisms were proposed to explain the ortho- or para-preference, as well as the accelerating effect of CH3NO2.
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Affiliation(s)
- Chandrashekar Mudithanapelli
- Gachon Institute of Pharmaceutical Science & Department of Pharmacy, College of Pharmacy, Gachon University, 191 Hambakmoeiro, Yeonsu-gu, Incheon 21936, Republic of Korea.
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15
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Kartsev VG, Zubenko AA, Divaeva LN, Morkovnik AS, Baryshnikova TK, Shirinian VZ. New Structural Modifications of Cotarnine Alkaloid Derivatives: Cotarnone and Dihydrocotarnine. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s1070363220020127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Wang LL, Han HB, Cui ZH, Zhao JW, Bu ZW, Wang QL. Chalcone-Based Pyridinium Salts and Their Diastereoselective Dearomatization To Access Bibridged Benzoazepines. Org Lett 2020; 22:873-878. [PMID: 31916771 DOI: 10.1021/acs.orglett.9b04398] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
New chalcone-based pyridinium salts have been successfully exploited, which could smoothly participate in the highly diastereoselective dearomatization with binucleophilic enaminones by taking advantage of their multiple reactive sites to construct bibridged benzoazepines in up to 89% yields. The key to the success was the skillful and unprecedented C-3 functionalization of the new pyridinium salts. This work not only provides a kind of novel pyridinium salt synthon but also achieves the first C-3 functionalization of pyridinium salts to construct complex and challenging bibridged benzoazepines with high synthetic efficiency.
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Affiliation(s)
- Le-Le Wang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China
| | - Hua-Bin Han
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China
| | - Zhao-Hui Cui
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China
| | - Jun-Wei Zhao
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China
| | - Zhan-Wei Bu
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China
| | - Qi-Lin Wang
- Institute of Functional Organic Molecular Engineering, College of Chemistry and Chemical Engineering , Henan University , Kaifeng 475004 , PR China
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17
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Bao X, Jiang W, Liang J, Huo C. One-electron oxidative dehydrogenative annulation and cyclization reactions. Org Chem Front 2020. [DOI: 10.1039/d0qo00422g] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review focuses on the recent advances in one-electron oxidation involved oxidative dehydrogenative annulations and cyclizations for the intermolecular and intramolecular construction of valuable ring structures.
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Affiliation(s)
- Xiazhen Bao
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Wei Jiang
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Jia Liang
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Congde Huo
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
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18
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Stanek F, Pawlowski R, Morawska P, Bujok R, Stodulski M. Dehydrogenation and α-functionalization of secondary amines by visible-light-mediated catalysis. Org Biomol Chem 2020; 18:2103-2112. [DOI: 10.1039/c9ob02699a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A visible-light-mediated process for dehydrogenation of amines has been described. The given protocol showed a broad substrate scope, mild reaction conditions and excellent results without the requirement of tedious purification.
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Affiliation(s)
- Filip Stanek
- Institute of Organic Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | - Robert Pawlowski
- Institute of Organic Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | | | - Robert Bujok
- Institute of Organic Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | - Maciej Stodulski
- Institute of Organic Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
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19
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Ma Y, Yao X, Zhang L, Ni P, Cheng R, Ye J. Direct Arylation of α‐Amino C(sp
3
)‐H Bonds by Convergent Paired Electrolysis. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909642] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yueyue Ma
- Engineering Research Centre of Pharmaceutical Process ChemistryMinistry of EducationShanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Meilong Road Shanghai 200237 China
| | - Xiantong Yao
- Engineering Research Centre of Pharmaceutical Process ChemistryMinistry of EducationShanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Meilong Road Shanghai 200237 China
| | - Lei Zhang
- Engineering Research Centre of Pharmaceutical Process ChemistryMinistry of EducationShanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Meilong Road Shanghai 200237 China
| | - Pufan Ni
- Engineering Research Centre of Pharmaceutical Process ChemistryMinistry of EducationShanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Meilong Road Shanghai 200237 China
| | - Ruihua Cheng
- School of Chemical EngineeringEast China University of Science and Technology Shanghai 200237 China
| | - Jinxing Ye
- Engineering Research Centre of Pharmaceutical Process ChemistryMinistry of EducationShanghai Key Laboratory of New Drug DesignSchool of PharmacyEast China University of Science and Technology 130 Meilong Road Shanghai 200237 China
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20
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Ma Y, Yao X, Zhang L, Ni P, Cheng R, Ye J. Direct Arylation of α-Amino C(sp 3 )-H Bonds by Convergent Paired Electrolysis. Angew Chem Int Ed Engl 2019; 58:16548-16552. [PMID: 31508880 DOI: 10.1002/anie.201909642] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/25/2019] [Indexed: 11/08/2022]
Abstract
A metal-free convergent paired electrolysis strategy to synthesize benzylic amines through direct arylation of tertiary amines and benzonitrile derivatives at room temperature has been developed. This TEMPO-mediated electrocatalytic reaction makes full use of both anodic oxidation and cathodic reduction without metals or stoichiometric oxidants, thus showing great potential and advantages for practical synthesis. This convergent paired electrolysis method provides a straightforward and powerful means to activate C-H bonds and realize cross-coupling with cathodically generated species.
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Affiliation(s)
- Yueyue Ma
- 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
| | - Xiantong Yao
- 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
| | - Lei Zhang
- 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
| | - Pufan Ni
- 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
| | - Ruihua Cheng
- School of Chemical Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Jinxing Ye
- 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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21
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Singh D, Kumar V, Malakar CC, Singh V. Structural Diversity Attributed by Aza-Diels-Alder Reaction in Synthesis of Diverse Quinoline Scaffolds. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190423140805] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In recent years, the synthesis of quinoline scaffold using various methodological
devices has attracted considerable attention in synthetic chemist community. The most feasible
method to serve this purpose is Aza-Diels-Alder reaction which provides flexibility and diversity
in the synthesis of quinoline decorated with different functionalities over the scaffold.
Diversity in this functionality improvises the susceptibility of the quinoline scaffold for various
protein targets. This review encompasses multifactorial aspects of Aza-Diels-Alder reaction
as well as provides insights into the synthetic schemes for quinoline scaffold.
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Affiliation(s)
- Dharmender Singh
- Department of Chemistry, Dr B.R. Ambedkar National Institute of Technology, Jalandhar-144011, Punjab, India
| | - Vipin Kumar
- Department of Chemistry, Dr B.R. Ambedkar National Institute of Technology, Jalandhar-144011, Punjab, India
| | - Chandi C. Malakar
- Department of Chemistry, National Institute of Technology (NIT) Manipur, Imphal-795004, India
| | - Virender Singh
- Department of Chemistry, Dr B.R. Ambedkar National Institute of Technology, Jalandhar-144011, Punjab, India
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22
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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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23
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Borpatra PJ, Rastogi GK, Saikia MB, Deb ML, Baruah PK. Multi‐Component Reaction of 6‐Aminouracils, Aldehydes and Secondary Amines: Conversion of the Products into Pyrimido[4,5‐
d
]pyrimidines through C‐H Amination/Cyclization. ChemistrySelect 2019. [DOI: 10.1002/slct.201900210] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Paran J. Borpatra
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Gaurav K. Rastogi
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
- Applied Organic Chemistry, CSIR-NEIST Jorhat- 785006 Assam
| | - Ms. B‐S. Saikia
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Mohit L. Deb
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Pranjal K. Baruah
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
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24
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Li J, Gu Z, Zhao X, Qiao B, Jiang Z. Asymmetric aerobic decarboxylative Povarov reactions of N-aryl α-amino acids with methylenephthalimidines via cooperative photoredox and chiral Brønsted acid catalysis. Chem Commun (Camb) 2019; 55:12916-12919. [DOI: 10.1039/c9cc07380a] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This work realizes a new synthetic utility of methylenephthalimidines as a 1,2-synthon and the synthesis of valuable chiral isoindolin-1-ones featuring a 3,3-spiro-tetrahydroquinoline-based stereocenter.
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Affiliation(s)
| | - Ziwei Gu
- Henan University
- Kaifeng
- P. R. China
| | | | | | - Zhiyong Jiang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering
- Henan Normal University
- Xinxiang
- P. R. China
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25
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Liu S, Zhao Z, Wang Y. Construction of N-Heterocycles through Cyclization of Tertiary Amines. Chemistry 2018; 25:2423-2441. [PMID: 30357981 DOI: 10.1002/chem.201803960] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Indexed: 12/27/2022]
Abstract
N-Heterocycles have been found in a large number of natural products, drug molecules, and bioactive compounds, and they thereby play a vital role in diverse research disciplines including drug discovery, organic synthesis, chemical biology, and material science. To this end, the development of new methods and strategies for the construction of N-heterocyclic frameworks is arguably one of the most dynamic and significant research areas in organic synthesis. One of these powerful approaches to the synthesis of N-heterocycles is to establish cyclization reactions based on the transformation of tertiary amines, which has emerged as an attractive research topic. In this Minireview, the significant achievements in the construction of N-heterocycles through cyclization of tertiary amines are highlighted and a comprehensive overview of the rational design, development, and application of these synthetic methods is presented.
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Affiliation(s)
- Shuya Liu
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, 27 Shanda Nanlu, Jinan, 250100, Shandong, P. R. China
| | - Zhiguo Zhao
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, 27 Shanda Nanlu, Jinan, 250100, Shandong, P. R. China
| | - Yao Wang
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, 27 Shanda Nanlu, Jinan, 250100, Shandong, P. R. China
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26
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Zhang Z, Wang S, Hu C, Ma N, Zhang G, Liu Q. Copper(I)-catalyzed benzylic C(sp3)–H geminal difunctionalization: Successive oxidative intramolecular amidation and hydroxylation. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.11.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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27
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Oxidative Asymmetric Formal Aza-Diels⁻Alder Reactions of Tetrahydro-β-carboline with Enones in the Synthesis of Indoloquinolizidine-2-ones. Molecules 2018; 23:molecules23092228. [PMID: 30200483 PMCID: PMC6225203 DOI: 10.3390/molecules23092228] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/26/2018] [Accepted: 08/29/2018] [Indexed: 11/16/2022] Open
Abstract
Ru-catalyzed tandem amine oxidative dehydrogenation/formal aza-Diels⁻Alder reaction for enantio- and diastereoselective synthesis of indoloquinolizidine-2-ones from tetrahydro-β-carbolines and α,β-unsaturated ketones is described. The reaction proceeds via tandem ruthenium-catalyzed amine dehydrogenation using tert-butyl hydroperoxide (TBHP) as the oxidant and a chiral thiourea-catalyzed formal aza-[4 + 2] cycloaddition, providing a step-economical strategy for the synthesis of these valuable heterocyclic products.
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28
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Sarkar R, Mukhopadhyay C. Cu catalyzed cross-dehydrogenative coupling reaction for the synthesis of 3-hydroxy-2-pyrrolidinones. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.06.061] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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29
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Shao T, Yin Y, Lee R, Zhao X, Chai G, Jiang Z. Sequential Photoredox Catalysis for Cascade Aerobic Decarboxylative Povarov and Oxidative Dehydrogenation Reactions of N
-Aryl α-Amino Acids. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800135] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tianju Shao
- Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University; Kaifeng, Henan People's Republic of China 475004
| | - Yanli Yin
- Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University; Kaifeng, Henan People's Republic of China 475004
- College of Bioengineering; Henan University of Technology; Zhengzhou 450001 People's Republic of China
| | - Richmond Lee
- Singapore University of Technology and Design; 8 Somapah Road Singapore 487372
| | - Xiaowei Zhao
- Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University; Kaifeng, Henan People's Republic of China 475004
| | - Guobi Chai
- Key Laboratory of Tobacco Flavor Basic Research of CNTC; Zhengzhou Tobacco Research Institute of CNTC; Zhengzhou 450001 People's Republic of China
| | - Zhiyong Jiang
- Key Laboratory of Natural Medicine and Immuno-Engineering; Henan University; Kaifeng, Henan People's Republic of China 475004
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30
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Jo H, Hassan AHE, Jung SY, Lee JK, Cho YS, Min SJ. Construction of 8-Azabicyclo[3.2.1]octanes via Sequential DDQ-Mediated Oxidative Mannich Reactions of N-Aryl Pyrrolidines. Org Lett 2018; 20:1175-1178. [DOI: 10.1021/acs.orglett.8b00098] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hanbyeol Jo
- Department of Chemical & Molecular Engineering/Applied Chemistry, Hanyang University, Ansan, Gyeonggi-do 15588, Republic of Korea
| | - Ahmed H. E. Hassan
- Department
of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Seung Young Jung
- Center
for Neuro-Medicine, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- Department
of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Jae Kyun Lee
- Center
for Neuro-Medicine, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Yong Seo Cho
- Center
for Neuro-Medicine, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Sun-Joon Min
- Department of Chemical & Molecular Engineering/Applied Chemistry, Hanyang University, Ansan, Gyeonggi-do 15588, Republic of Korea
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31
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Willms JA, Gleich H, Schrempp M, Menche D, Engeser M. Investigations of the Copper-Catalyzed Oxidative Cross-Coupling of Tetrahydroisoquinolines with Diethylzinc by a Combination of Mass Spectrometric and Electrochemical Methods. Chemistry 2018; 24:2663-2668. [DOI: 10.1002/chem.201704914] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Indexed: 12/15/2022]
Affiliation(s)
- J. Alexander Willms
- Kekulé-Institute of Organic Chemistry and Biochemistry; University of Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
| | - Hermann Gleich
- Kekulé-Institute of Organic Chemistry and Biochemistry; University of Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
| | - Michael Schrempp
- Kekulé-Institute of Organic Chemistry and Biochemistry; University of Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
| | - Dirk Menche
- Kekulé-Institute of Organic Chemistry and Biochemistry; University of Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
| | - Marianne Engeser
- Kekulé-Institute of Organic Chemistry and Biochemistry; University of Bonn; Gerhard-Domagk-Strasse 1 53121 Bonn Germany
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32
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Wang F, He Y, Tian M, Zhang X, Fan X. Synthesis of α-Formylated N-Heterocycles and Their 1,1-Diacetates from Inactivated Cyclic Amines Involving an Oxidative Ring Contraction. Org Lett 2018; 20:864-867. [PMID: 29345128 DOI: 10.1021/acs.orglett.7b04029] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A novel synthesis of pyrrolidine-2-carbaldehydes or tetrahydropyridine-2-carbaldehydes from the cascade reactions of N-arylpiperidines or N-arylazepanes is presented. Mechanistically, the formation of the title compounds involves an unprecedented oxidative ring contraction of inactivated cyclic amines via Cu(OAc)2/KI/O2-promoted oxidative cleavage and reformation of the C-N bond. Interestingly, when PhI(OAc)2 was used in place of KI, 1,1-diacetates of the corresponding aldehydes were directly obtained with good efficiency. To the best of our knowledge, this is the first example of regioselective C(sp3)-H bond functionalization and C(sp3)-N bond activation of saturated cyclic amines using copper salt and oxygen.
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Affiliation(s)
- Fang Wang
- School of Environment, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Henan Normal University , Xinxiang, Henan 453007, China
| | - Yan He
- School of Environment, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Henan Normal University , Xinxiang, Henan 453007, China
| | - Miaomiao Tian
- School of Environment, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Henan Normal University , Xinxiang, Henan 453007, China
| | - Xinying Zhang
- School of Environment, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Henan Normal University , Xinxiang, Henan 453007, China
| | - Xuesen Fan
- School of Environment, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Henan Normal University , Xinxiang, Henan 453007, China
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33
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Punirun T, Soorukram D, Kuhakarn C, Reutrakul V, Pohmakotr M. Oxidative Difluoromethylation of Tetrahydroisoquinolines Using TMSCF 2SPh: Synthesis of Fluorinated Pyrrolo[2,1-a]isoquinolines and Benzo[a]quinolizidines. J Org Chem 2018; 83:765-782. [PMID: 29271203 DOI: 10.1021/acs.joc.7b02783] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
An efficient C1-difluoromethylation of tetrahydroisoquinolenes was achieved using TMSCF2SPh as a difluoromethylating agent and 2,2,6,6-tetramethylpiperidine-1-oxoammonium tetrafluoroborate (TEMPO+BF4-) as an oxidant. The process provides an access to a variety of C1-difluoro(phenylsulfanyl)methylated tetrahydroisoquinoline adducts in good yields. These adducts were employed as key precursors for preparing fluorinated pyrrolo[2,1-a]isoquinoline and benzo[a]quinolizidines.
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Affiliation(s)
- Teerachai Punirun
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University , Rama VI Road, Bangkok 10400, Thailand
| | - Darunee Soorukram
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University , Rama VI Road, Bangkok 10400, Thailand
| | - Chutima Kuhakarn
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University , Rama VI Road, Bangkok 10400, Thailand
| | - Vichai Reutrakul
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University , Rama VI Road, Bangkok 10400, Thailand
| | - Manat Pohmakotr
- Center of Excellence for Innovation in Chemistry (PERCH-CIC) and Department of Chemistry, Faculty of Science, Mahidol University , Rama VI Road, Bangkok 10400, Thailand
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34
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Choudhury SK, Rout P, Parida BB, Florent JC, Johannes L, Phaomei G, Bertounesque E, Rout L. Metal-Free Activation of C(sp3
)-H Bond, and a Practical and Rapid Synthesis of Privileged 1-Substituted 1,2,3,4-Tetrahydroisoquinolines. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700471] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | - Pragati Rout
- Department of Chemistry; Institution: Berhampur University; Odisha India
| | - Bibhuti Bhusan Parida
- Chemical Biology of Membranes and Therapeutic Delivery; Institut Curie; Research Center; U1143 INSERM, UMR 3666 CNRS; 26 rue d'Ulm 75248 Paris, Cedex 05 France
| | - Jean-Claude Florent
- Chemical Biology of Membranes and Therapeutic Delivery; Institut Curie; Research Center; U1143 INSERM, UMR 3666 CNRS; 26 rue d'Ulm 75248 Paris, Cedex 05 France
| | - Ludger Johannes
- Chemical Biology of Membranes and Therapeutic Delivery; Institut Curie; Research Center; U1143 INSERM, UMR 3666 CNRS; 26 rue d'Ulm 75248 Paris, Cedex 05 France
| | - Ganngam Phaomei
- Department of Chemistry; Institution: Berhampur University; Odisha India
| | - Emmanuel Bertounesque
- Chemical Biology of Membranes and Therapeutic Delivery; Institut Curie; Research Center; U1143 INSERM, UMR 3666 CNRS; 26 rue d'Ulm 75248 Paris, Cedex 05 France
| | - Laxmidhar Rout
- Department of Chemistry; Institution: Berhampur University; Odisha India
- Chemical Biology of Membranes and Therapeutic Delivery; Institut Curie; Research Center; U1143 INSERM, UMR 3666 CNRS; 26 rue d'Ulm 75248 Paris, Cedex 05 France
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35
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Ruthenium-Catalyzed Oxidative Formal Aza-Diels-Alder Reaction: Enantioselective Synthesis of Benzo[a
]quinolizine-2-ones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700738] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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36
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Geng X, Wu X, Zhao P, Zhang J, Wu YD, Wu AX. Synergistic I2/Amine Promoted Povarov-Type Reaction for the Synthesis of 2-Acyl-3-aryl(alkyl)quinolines Using Aryl(alkyl)acetaldehydes as Alkene Surrogates. Org Lett 2017; 19:4179-4182. [DOI: 10.1021/acs.orglett.7b01686] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Xiao Geng
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Xia Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Peng Zhao
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Jingjing Zhang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Yan-Dong Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - An-Xin Wu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
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37
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Liu L, Sun K, Ji X, Dong J, Zhou Y, Yin SF. BF3-catalyzed oxidative tandem annulation-aromatization of naphthols with terminal aryl alkenes. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.03.067] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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38
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Reddy KR, Kannaboina P, Das P. Palladium-Catalyzed Chemoselective Switch: Synthesis of a New Class of Indenochromenes and Pyrano[2,3-c
]carbazoles. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201600530] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- K. Ranjith Reddy
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu- 180001 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi- 110025 India
| | - Prakash Kannaboina
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu- 180001 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi- 110025 India
| | - Parthasarathi Das
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu- 180001 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi- 110025 India
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39
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Ni M, Zhang Y, Gong T, Feng B. Gold-Oxazoline Complex-Catalyzed Cross-Dehydrogenative Coupling of Glycine Derivatives and Alkenes. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601066] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Minjie Ni
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
| | - Yan Zhang
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
| | - Tingting Gong
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
| | - Bainian Feng
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
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40
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Liu Q, Wang C, Li Q, Hou Y, Wu Y, Liu L, Chang W, Li J. Povarov Reaction of Cycloiminium Formed in Situ via Hydroamination Cycloisomerization of Homopropargylic Amines with Electron-Rich Olefins. J Org Chem 2017; 82:950-958. [PMID: 28001395 DOI: 10.1021/acs.joc.6b02496] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A new, one-pot cascade reaction of homopropargylic amines with electron-rich olefins is developed in the presence of Cu(OTf)2 and affords a series of octahydrofuro[3,2-c]pyrrolo[1,2-a]quinoline derivatives in yields of 38-80%. This reaction proceeds through an intramolecular hydroamination cyclization of homopropargylic amine to generate a highly reactive cycloenamine intermediate in situ that subsequently isomerizes to the cycloiminium cation followed by the Povarov-type reaction with dihydrofuran, dihydropyran, or dihydropyrrole. Notably, the Al2O3 additive plays a key role for the effective inhibition of competitive self-dimerization of homoproargylic amines.
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Affiliation(s)
- Qiangqiang Liu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China
| | - Chan Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China
| | - Qiang Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China
| | - Yajie Hou
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China
| | - Ye Wu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China
| | - Lingyan Liu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China
| | - Weixing Chang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China
| | - Jing Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, the College of Chemistry, Nankai University , Tianjin 300071, China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Weijin Road 94, Nankai District, Tianjin 300071, China
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41
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Gini A, Brandhofer T, Mancheño OG. Recent progress in mild Csp3–H bond dehydrogenative or (mono-) oxidative functionalization. Org Biomol Chem 2017; 15:1294-1312. [DOI: 10.1039/c6ob02474b] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
This review summarizes recent advances in mild and green dehydrogenative and mono-oxidative Csp3–H bond functionalization reactions, considering both new approaches and the re-elaboration of known methodologies.
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Affiliation(s)
- Andrea Gini
- Institute for Organic Chemistry
- University of Regensburg
- 93053 Regensburg
- Germany
- Straubing Center of Science for Renewable Resources
| | - Tobias Brandhofer
- Institute for Organic Chemistry
- University of Regensburg
- 93053 Regensburg
- Germany
- Straubing Center of Science for Renewable Resources
| | - Olga García Mancheño
- Institute for Organic Chemistry
- University of Regensburg
- 93053 Regensburg
- Germany
- Straubing Center of Science for Renewable Resources
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42
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Ren X, Li G, Huang J, Wang W, Zhang Y, Xing G, Gao C, Zhao G, Zhao J, Tang Z. Step-Controlled Povarov-Type Reaction with 1,2-Dihydroquinolines as Precursors of Dienophiles: Direct Synthesis of Spirocyclic Bi-tetrahydroquinolines and Functionalized 1,2-Dihydroquinolines. Org Lett 2016; 19:58-61. [DOI: 10.1021/acs.orglett.6b03330] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Xuwen Ren
- College
of Art and Sciences, Shanxi Agricultural University Taigu, Shanxi 030800, China
| | - Guangxun Li
- Natural
Product Research Center, Chengdu Institution of Biology, Chinese Academy of Science, Chengdu, Sichuan 610041, China
| | - Jin Huang
- Natural
Product Research Center, Chengdu Institution of Biology, Chinese Academy of Science, Chengdu, Sichuan 610041, China
| | - Weidong Wang
- College
of Art and Sciences, Shanxi Agricultural University Taigu, Shanxi 030800, China
| | - Yongpo Zhang
- College
of Art and Sciences, Shanxi Agricultural University Taigu, Shanxi 030800, China
| | - Guomin Xing
- College
of Art and Sciences, Shanxi Agricultural University Taigu, Shanxi 030800, China
| | - Chunyan Gao
- College
of Art and Sciences, Shanxi Agricultural University Taigu, Shanxi 030800, China
| | - Gang Zhao
- College
of Chemical Engineering, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jinzhong Zhao
- College
of Art and Sciences, Shanxi Agricultural University Taigu, Shanxi 030800, China
| | - Zhuo Tang
- Natural
Product Research Center, Chengdu Institution of Biology, Chinese Academy of Science, Chengdu, Sichuan 610041, China
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43
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Sakai N, Matsumoto S, Ogiwara Y. Cobalt-catalyzed oxidative annulation of aromatic tertiary amines with electron-deficient maleimides leading to tetrahydroquinoline derivatives. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.10.071] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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44
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Song Z, Antonchick AP. Catching α-aminoalkyl radicals: cyclization between tertiary alkylanilines and alkenes. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.04.052] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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45
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Gini A, Bamberger J, Luis-Barrera J, Zurro M, Mas-Ballesté R, Alemán J, Mancheño OG. Synthesis of 3-Benzazepines by Metal-Free Oxidative C-H Bond Functionalization-Ring Expansion Tandem Reaction. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600985] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Andrea Gini
- Institute for Organic Chemistry; University of Regensburg; 93053 Regensburg Germany
- Straubing Center of Science for Renewable Resources; 94315 Straubing Germany
| | - Julia Bamberger
- Institute for Organic Chemistry; University of Regensburg; 93053 Regensburg Germany
- Straubing Center of Science for Renewable Resources; 94315 Straubing Germany
| | - Javier Luis-Barrera
- Organic Chemistry Department; Universidad Autónoma de Madrid (U.A.M.); 28049 Madrid Spain
| | - Mercedes Zurro
- Institute for Organic Chemistry; University of Regensburg; 93053 Regensburg Germany
| | - Rubén Mas-Ballesté
- Inorganic Chemistry Department; Universidad Autónoma de Madrid (U.A.M.); 28049 Madrid Spain
| | - José Alemán
- Organic Chemistry Department; Universidad Autónoma de Madrid (U.A.M.); 28049 Madrid Spain
| | - Olga García Mancheño
- Institute for Organic Chemistry; University of Regensburg; 93053 Regensburg Germany
- Straubing Center of Science for Renewable Resources; 94315 Straubing Germany
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46
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Cobalt-catalyzed aerobic oxidative Povarov reaction of tertiary anilines with dihydrofuran for the synthesis of hexahydrofuroquinolines. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.10.031] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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47
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Yu XL, Kuang L, Chen S, Zhu XL, Li ZL, Tan B, Liu XY. Counteranion-Controlled Unprecedented Diastereo- and Enantioselective Tandem Formal Povarov Reaction for Construction of Bioactive Octahydro-Dipyrroloquinolines. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01492] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiao-Long Yu
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Liping Kuang
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
- College
of Chemistry and Molecular Science, Wuhan University, Wuhan, 430072, P. R. China
| | - Su Chen
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Xiao-Long Zhu
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Zhong-Liang Li
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Bin Tan
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
| | - Xin-Yuan Liu
- Department
of Chemistry, South University of Science and Technology of China, Shenzhen, 518055, P. R. China
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48
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Dong W, Hu B, Gao X, Li Y, Xie X, Zhang Z. Visible-Light-Induced Photocatalytic Aerobic Oxidation/Povarov Cyclization Reaction: Synthesis of Substituted Quinoline-Fused Lactones. J Org Chem 2016; 81:8770-8776. [DOI: 10.1021/acs.joc.6b01253] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wuheng Dong
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Bei Hu
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Xiaoshuang Gao
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yuyuan Li
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Xiaomin Xie
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Zhaoguo Zhang
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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49
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Zhao MN, Yu L, Hui RR, Ren ZH, Wang YY, Guan ZH. Iron-Catalyzed Dehydrogenative [4 + 2] Cycloaddition of Tertiary Anilines and Enamides for the Synthesis of Tetrahydroquinolines with Amido-Substituted Quaternary Carbon Centers. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00849] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Mi-Na Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Le Yu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Rong-Rong Hui
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Zhi-Hui Ren
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Yao-Yu Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Zheng-Hui Guan
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Department of Chemistry & Materials Science, Northwest University, Xi’an 710127, P. R. China
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50
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Volvoikar PS, Tilve SG. Iodine-Mediated Intramolecular Dehydrogenative Coupling: Synthesis of N-Alkylindolo[3,2-c]- and -[2,3-c]quinoline Iodides. Org Lett 2016; 18:892-5. [DOI: 10.1021/acs.orglett.5b03392] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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