1
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Volpi G, Laurenti E, Rabezzana R. Imidazopyridine Family: Versatile and Promising Heterocyclic Skeletons for Different Applications. Molecules 2024; 29:2668. [PMID: 38893542 PMCID: PMC11173518 DOI: 10.3390/molecules29112668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 05/30/2024] [Accepted: 05/31/2024] [Indexed: 06/21/2024] Open
Abstract
In recent years, there has been increasing attention focused on various products belonging to the imidazopyridine family; this class of heterocyclic compounds shows unique chemical structure, versatile optical properties, and diverse biological attributes. The broad family of imidazopyridines encompasses different heterocycles, each with its own specific properties and distinct characteristics, making all of them promising for various application fields. In general, this useful category of aromatic heterocycles holds significant promise across various research domains, spanning from material science to pharmaceuticals. The various cores belonging to the imidazopyridine family exhibit unique properties, such as serving as emitters in imaging, ligands for transition metals, showing reversible electrochemical properties, and demonstrating biological activity. Recently, numerous noteworthy advancements have emerged in different technological fields, including optoelectronic devices, sensors, energy conversion, medical applications, and shining emitters for imaging and microscopy. This review intends to provide a state-of-the-art overview of this framework from 1955 to the present day, unveiling different aspects of various applications. This extensive literature survey may guide chemists and researchers in the quest for novel imidazopyridine compounds with enhanced properties and efficiency in different uses.
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Affiliation(s)
- Giorgio Volpi
- Department of Chemistry, University of Turin, Via Pietro Giuria 7, 10125 Torino, Italy; (E.L.)
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2
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Chen Y, Zhang C, Wang K, Li M, Tang H, Cheng W, Yin J, Yi W. Cu(I)-Catalyzed Three-Component Annulation for the Synthesis of 3-Acyl Imidazo[1, 5- a]Pyridines from 2-Pyridinyl-Substituted p-Quinone Methides, Terminal Alkynes, and TsN 3 Using O 2 as the Oxygen Source. J Org Chem 2024; 89:5423-5433. [PMID: 38557074 DOI: 10.1021/acs.joc.3c02876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Currently, most conventional methods to achieve imidazo[1,5-a]pyridines have limitations for the synthesis of 3-acyl imidazo[1,5-a]pyridines. Herein, a novel and efficient Cu(I)-catalyzed three-component annulation method for the synthesis of valuable 3-acyl imidazo[1,5-a]pyridines by the reaction of 2-pyridinyl-substituted p-QMs, terminal alkynes, and TsN3 in the presence of O2 under mild conditions have successfully been developed. The investigation indicated that molecular oxygen (O2) and TsN3, respectively, serving as oxygen and nitrogen sources, were essential for the successful completion of the reaction system.
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Affiliation(s)
- Yan Chen
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, P. R. China
| | - Chuanhao Zhang
- School of Pharmacy, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Kunpeng Wang
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, P. R. China
| | - Mengfan Li
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, P. R. China
| | - Hao Tang
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, P. R. China
| | - Wen Cheng
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, P. R. China
| | - Jun Yin
- Shanghai No.4 Reagent Chemical Co., Ltd., Shanghai 201512, P. R. China
| | - Weiyin Yi
- School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, P. R. China
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3
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Zhao WW, Tian MY, Zhou YL, Liu LJ, Tian SF, He CY, Yang XZ, Chen YZ, Han WY. Trifluoromethyl Rhodium-Carbynoid in [2+1+2] Cycloadditions. Angew Chem Int Ed Engl 2024; 63:e202318887. [PMID: 38237082 DOI: 10.1002/anie.202318887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Indexed: 02/24/2024]
Abstract
Trifluoromethyl cationic carbyne (CF3 C+ :) possessing dual carbene-carbocation behavior emulated as trifluoromethyl metal-carbynoid (CF3 C+ =M) has not been explored yet, and its reaction characteristics are unknown. Herein, a novel α-diazotrifluoroethyl sulfonium salt was prepared and used in Rh-catalyzed three-component [2+1+2] cycloadditions for the first time with commercially available N-fused heteroarenes and nitriles, yielding a series of imidazo[1,5-a] N-heterocycles that are of interest in medicinal chemistry, in which the insertion of trifluoromethyl Rh-carbynoid (CF3 C+ =Rh) into C=N bonds of N-fused heteroarenes was involved. This strategy demonstrates synthetic applications in late-stage modification of pharmaceuticals, construction of CD3 -containing N-heterocycles, gram-scale experiments, and synthesis of phosphodiesterase 10A inhibitor analog. These highly valuable and modifiable imidazo[1,5-a] N-heterocycles exhibit good antitumor activity in vitro, thus demonstrating their potential applications in medicinal chemistry.
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Affiliation(s)
- Wen-Wen Zhao
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
| | - Meng-Yang Tian
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
| | - Yi-Lin Zhou
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
| | - Lu-Jie Liu
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
| | - Shao-Fang Tian
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
| | - Chun-Yang He
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
| | - Xing-Zhi Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, 650201, Kunming, China
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
| | - Wen-Yong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, School of Pharmacy, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, No. 6 West Xuefu Rd., 563006, Zunyi, China
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4
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Talpada N, Sharma AS, Sharma VS, Varma RS, Shrivastav PS, Ahmed R, Ammathnadu Sudhakar A. Visible light mediated synthesis of 1,3-diarylated imidazo[1,5- a]pyridines via oxidative amination of C-H catalyzed by graphitic carbon nitride. Org Biomol Chem 2023. [PMID: 37969017 DOI: 10.1039/d3ob01636f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Graphitic carbon nitride (g-C3N4) as a novel heterogeneous catalyst is employed for the visible light-mediated synthesis of the imidazo[1,5-a]pyridines via the oxidative amination of C-H bond at room temperature without the need for any additional solvent. Extensive characterization of the catalyst was performed using techniques such as FT-IR, PXRD, TGA, SEM and EDX analysis. The optimized conditions enabled the successful and expeditious conversion of a wide range of substrates to imidazo[1,5-a]pyridines in good yields; a notable advantage of this catalyst being recyclability, as it can be reused for up to five cycles without significant loss of activity. This feature makes it suitable for gram-scale synthesis of imidazo[1,5-a]pyridines. Additionally, this approach offers several benefits from a green chemistry perspective as affirmed by its favorable green chemistry metrics (GCM), including low process mass intensity (PMI), low E-factor, high atom economy (AE), and good reaction mass efficiency (RME) relative to existing protocols. In addition, chemical yield (CY), mass intensity (MI), mass productivity (MP) and optimum efficiency were also calculated. This environmentally friendly method offers multiple advantages and represents a significant advancement in the synthesis of imidazo[1,5-a]pyridines.
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Affiliation(s)
- Nandish Talpada
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009, India.
| | - Anuj S Sharma
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009, India.
| | - Vinay S Sharma
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009, India.
| | - Rajender S Varma
- Centre of Excellence for Research in Sustainable Chemistry, Department of Chemistry, Federal University of São Carlos, 13565-905 São Carlos, SP, Brazil
| | - Pranav S Shrivastav
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009, India.
| | - Rahul Ahmed
- Department of Chemistry, Indian Institute of Technology, Guwahati, 781039, Assam, India.
| | - Achalkumar Ammathnadu Sudhakar
- Department of Chemistry, Indian Institute of Technology, Guwahati, 781039, Assam, India.
- Centre for Sustainable Polymers, Indian Institute of Technology, Guwahati, 781039, Assam, India
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5
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Ma JT, Chen T, Chen XL, Zhou Y, Yu ZC, Zhuang SY, Wu YD, Xiang JC, Wu AX. Aniline assisted dimerization of phenylalanines: convenient synthesis of 2-aroyl-3-arylquinoline in an I 2-DMSO system. Org Biomol Chem 2023; 21:2091-2095. [PMID: 36809309 DOI: 10.1039/d2ob02283d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
We herein report an efficient synthesis of 2-aroyl-3-arylquinolines from phenylalanines and anilines. The mechanism involves I2-mediated Strecker degradation enabled catabolism and reconstruction of amino acids and a cascade aniline-assisted annulation. Both DMSO and water act as oxygen sources in this convenient protocol.
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Affiliation(s)
- Jin-Tian Ma
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Ting Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Xiang-Long Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - You Zhou
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Zhi-Cheng Yu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Shi-Yi Zhuang
- 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.
| | - Jia-Chen Xiang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, 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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6
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Samanta SK, Sarkar R, Sengupta U, Das S, Ganguly D, Hasija A, Chopra D, Bera MK. A direct entry to polycyclic quinoxaline derivatives via I 2-DMSO mediated oxidative decarboxylation of α-amino acids and the subsequent Pictet-Spengler cyclization reaction. Org Biomol Chem 2022; 20:4650-4658. [PMID: 35612282 DOI: 10.1039/d2ob00503d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A facile and highly efficient iodine-promoted strategy has been delineated for the synthesis of indolo and pyrrolo[1,2-a]quinoxaline derivatives via an oxidative Pictet-Spengler type amino cyclo-annulation reaction using ∝-amino acids as aldehyde surrogates. The concomitant benzylic oxidation and the compatibility of different starting materials under standard conditions made the current method versatile. The salient features of the protocol such as readily available starting materials, inexpensive promoters, environmental benignity, broad substrate scope, scalability, and good to excellent yield make the method more attractive to practitioners of organic synthesis.
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Affiliation(s)
- Surya Kanta Samanta
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, Howrah 711 103, WB, India.
| | - Rumpa Sarkar
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, Howrah 711 103, WB, India.
| | - Utsav Sengupta
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, Howrah 711 103, WB, India.
| | - Sayan Das
- Centre for Health Science and Technology, JIS Institute of Advanced Studies and Research, JIS University, Kolkata, India
| | - Debabani Ganguly
- Centre for Health Science and Technology, JIS Institute of Advanced Studies and Research, JIS University, Kolkata, India
| | - Avantika Hasija
- Crystallography and Crystal Chemistry Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462066, India
| | - Deepak Chopra
- Crystallography and Crystal Chemistry Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462066, India
| | - Mrinal K Bera
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, Howrah 711 103, WB, India.
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7
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Meena N, Dhiman S, Rangan K, Kumar A. Cobalt-catalyzed tandem one-pot synthesis of polysubstituted imidazo[1,5- a]pyridines and imidazo[1,5- a]isoquinolines. Org Biomol Chem 2022; 20:4215-4223. [PMID: 35546113 DOI: 10.1039/d2ob00526c] [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
An efficient cobalt-catalyzed tandem one-pot method has been developed for the synthesis of polysubstituted imidazo[1,5-a]-N-heteroaromatics. The method involves Knoevenagel condensation followed by cobalt-catalyzed direct alkenylation to give the desired polysubstituted imidazo[1,5-a]pyridines and imidazo[1,5-a]isoquinolines in a one-pot manner. This method exhibits a broad substrate scope, provides moderate to good (39-74%) yields and is amenable to scale-up to the gram scale.
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Affiliation(s)
- Neha Meena
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Rajasthan 333031, India.
| | - Shiv Dhiman
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Rajasthan 333031, India.
| | - Krishnan Rangan
- Department of Chemistry, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Telangana, 500078, India
| | - Anil Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Rajasthan 333031, India.
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8
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Zeng K, Ye J, Meng X, Dechert S, Simon M, Gong S, Mata RA, Zhang K. Anomeric Stereoauxiliary Cleavage of the C−N Bond of
d
‐Glucosamine for the Preparation of Imidazo[1,5‐a]pyridines. Chemistry 2022; 28:e202200648. [PMID: 35319128 PMCID: PMC9325398 DOI: 10.1002/chem.202200648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Indexed: 11/13/2022]
Abstract
The targeted cleavage of the C−N bonds of alkyl primary amines in sustainable compounds of biomass according to a metal‐free pathway and the conjunction of nitrogen in the synthesis of imidazo[1,5‐a]pyridines are still highly challenging. Despite tremendous progress in the synthesis of imidazo[1,5‐a]pyridines over the past decade, many of them can still not be efficiently prepared. Herein, we report an anomeric stereoauxiliary approach for the synthesis of a wide range of imidazo[1,5‐a]pyridines after cleaving the C−N bond of d‐glucosamine (α‐2° amine) from biobased resources. This new approach expands the scope of readily accessible imidazo[1,5‐a]pyridines relative to existing state‐of‐the‐art methods. A key strategic advantage of this approach is that the α‐anomer of d‐glucosamine enables C−N bond cleavage via a seven‐membered ring transition state. By using this novel method, a series of imidazo[1,5‐a]pyridine derivatives (>80 examples) was synthesized from pyridine ketones (including para‐dipyridine ketone) and aldehydes (including para‐dialdehyde). Imidazo[1,5‐a]pyridine derivatives containing diverse important deuterated C(sp2)−H and C(sp3)−H bonds were also efficiently achieved.
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Affiliation(s)
- Kui Zeng
- Sustainable Materials and Chemistry Georg-August-University of Göttingen Büsgenweg 4 37077 Göttingen Germany
| | - Jin Ye
- Institute of Physical Chemistry Georg-August-University of Göttingen Tammannstraße 6 37077 Göttingen Germany
| | - Xintong Meng
- Sustainable Materials and Chemistry Georg-August-University of Göttingen Büsgenweg 4 37077 Göttingen Germany
| | - Sebastian Dechert
- Institute of Inorganic Chemistry Georg-August-University of Göttingen Tammannstraße 4 37077 Göttingen Germany
| | - Martin Simon
- Institute of Organic and Biomolecular Chemistry Georg-August-University of Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Shuaiyu Gong
- Sustainable Materials and Chemistry Georg-August-University of Göttingen Büsgenweg 4 37077 Göttingen Germany
| | - Ricardo A. Mata
- Institute of Physical Chemistry Georg-August-University of Göttingen Tammannstraße 6 37077 Göttingen Germany
| | - Kai Zhang
- Sustainable Materials and Chemistry Georg-August-University of Göttingen Büsgenweg 4 37077 Göttingen Germany
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9
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Ramana Reddy M, Darapaneni CM, Patil RD, Kumari H. Recent synthetic methodologies for imidazo[1,5- a]pyridines and related heterocycles. Org Biomol Chem 2022; 20:3440-3468. [PMID: 35394477 DOI: 10.1039/d2ob00386d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Imidazo[1,5-a]pyridine is a significant structural component of a large number of agrochemicals and pharmaceuticals. The synthesis of imidazo[1,5-a]pyridine has been a subject of intense research for numerous decades. A large number of transformations are now available to conveniently access imidazo[1,5-a]pyridine from readily available starting materials. This review details the recent development in imidazo[1,5-a]pyridine construction involving cyclocondensation, cycloaddition, oxidative cyclization, and transannulation reactions.
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Affiliation(s)
- Mittapalli Ramana Reddy
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio, USA, 45267-0514.
| | | | - Rajendra D Patil
- School of Chemical Sciences, Moolji Jaitha College, Jalgaon, Maharashratra, India, 425001
| | - Harshita Kumari
- James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, Ohio, USA, 45267-0514.
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10
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Volpi G. Luminescent imidazo[1,5‐a] pyridine scaffold: synthetic heterocyclization strategies overview and promising applications. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Giorgio Volpi
- University of Turin: Universita degli Studi di Torino Chemistry ITALY
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11
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Bori J, Manivannan V. A New Synthetic Route for Synthesis of
3‐Substituted
Imidazo[1,5‐
a
]pyridines. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jugal Bori
- Department of Chemistry Indian Institute of Technology Guwahati Guwahati Assam India
| | - Vadivelu Manivannan
- Department of Chemistry Indian Institute of Technology Guwahati Guwahati Assam India
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12
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Hu YJ, Zhou Y, Gao JJ, Zhang H, Yang KR, Li JJ, Yan XX, Li YL, Zhu YP. I2-Mediated [3 + 2] annulation of methyl-azaarenes with alkyl 2-isocyanoacetates or amino acid ester hydrochlorides: selective synthesis of iodine-functionalized and non-iodine-functionalized fused imidazoles. Org Chem Front 2022. [DOI: 10.1039/d1qo01940f] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An I2-mediated [3 + 2] annulation of methyl-azaarenes with alkyl 2-isocyanoacetates or amino acid ester hydrochlorides has been demonstrated. This strategy involves the C≡N cleavage of isocyanides and can selectively...
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13
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Camats M, Favier I, Mallet-Ladeira S, Pla D, Gómez M. Understanding Cu(II)-based systems for C(sp 3)-H bond functionalization: insights into the synthesis of aza-heterocycles. Org Biomol Chem 2021; 20:219-227. [PMID: 34878447 DOI: 10.1039/d1ob02118d] [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
Herein we report the synthesis of imidazo[1,5-a]pyridine heterocycles via a Cu(II)-mediated functionalization of α'-C(sp3)-H bonds of pyridinylaldimines and subsequent cyclization. This strategy exploits the inherent directing ability of heteroleptic aldimine and pyridine groups in the substrate yielding the C-H functionalization of α'-methylene groups in a regioselective fashion over distant methyl or methylene groups in β or γ positions. The observed correlation between the nature of the anionic ligands (halide vs. carboxylate) bonded to copper and the chemoselectivity of the C(sp3)-H activation process points to a concerted metalation-deprotonation pathway prior to cyclization to furnish the corresponding imidazo[1,5-a]pyridine derivative. This copper-mediated C(sp3)-H bond functionalization reaction works for a variety of substrates incorporating linear alkyl chains (from 3 to 12 carbon atoms), and good functional group tolerance (aryl, ether and ester groups). Cu-Catalyzed C(sp2)-H cyanation on the imidazole ring can then take place selectively under oxidative conditions.
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Affiliation(s)
- Marc Camats
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Isabelle Favier
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse, CNRS UAR 2599, 118 Route de Narbonne, Toulouse 31062 Cedex 09, France
| | - Daniel Pla
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Montserrat Gómez
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
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14
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Zhang J, She M, Liu L, Liu M, Wang Z, Liu H, Sun W, Liu X, Liu P, Zhang S, Li J. Construction and regulation of imidazo[1,5-a]pyridines with AIE characteristics via iodine mediated Csp2−H or Csp−H amination. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.05.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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15
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Ma JT, Wang LS, Chai Z, Chen XF, Tang BC, Chen XL, He C, Wu YD, Wu AX. Access to 2-arylquinazolines via catabolism/reconstruction of amino acids with the insertion of dimethyl sulfoxide. Chem Commun (Camb) 2021; 57:5414-5417. [PMID: 33949486 DOI: 10.1039/d1cc00623a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Quinazoline skeletons are synthesized by amino acid catabolism/reconstruction combined with the insertion/cyclization of dimethyl sulfoxide for the first time. The amino acid acts as a carbon and nitrogen source through HI-mediated catabolism and is then reconstructed using aromatic amines and dimethyl sulfoxide (DMSO) as a one-carbon synthon. This protocol is of great significance for the further study of the conversion of amino acids.
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Affiliation(s)
- Jin-Tian Ma
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Li-Sheng Wang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Zhi Chai
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Xin-Feng Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Bo-Cheng Tang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Xiang-Long Chen
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, P. R. China.
| | - Cai He
- 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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16
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Meng ZY, Feng CT, Zhang L, Yang Q, Chen DX, Xu K. Regioselective C–H Phosphorothiolation of (Hetero)arenes Enabled by the Synergy of Electrooxidation and Ultrasonic Irradiation. Org Lett 2021; 23:4214-4218. [DOI: 10.1021/acs.orglett.1c01161] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Ze-Yin Meng
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Cheng-Tao Feng
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Ling Zhang
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Qing Yang
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - De-Xiang Chen
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, China
| | - Kun Xu
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
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17
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Jadhav PM, Rode AB, Kótai L, Pawar RP, Tekale SU. Revisiting applications of molecular iodine in organic synthesis. NEW J CHEM 2021. [DOI: 10.1039/d1nj02560k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Molecular iodine contributes significantly to organic transformations in synthetic organic chemistry. It works effectively due to its mild Lewis acidic character, ability as an oxidizing agent, good moisture stability, and easy availability.
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Affiliation(s)
- Popat M. Jadhav
- Department of Chemistry, Deogiri College, Aurangabad 431 005, Maharashtra, India
| | - Ambadas B. Rode
- Regional Centre for Biotechnology, Faridabad-121 001, Haryana (NCR Delhi), India
| | - László Kótai
- Research Centre for Natural Sciences, ELKH, H-1117, Budapest, Hungary
| | - Rajendra P. Pawar
- Department of Chemistry, Shiv Chhatrapati College, Aurangabad 431005, Maharashtra, India
| | - Sunil U. Tekale
- Department of Chemistry, Deogiri College, Aurangabad 431 005, Maharashtra, India
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18
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Liu X, Li W, Liu H, Cao H. Application on the Construction of Imidazo[1,2- a]pyridines C-3 Canbon-Hetero Bonds by Visible-Light Catalysis and Electrochemistry. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202012026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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19
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Chen S, Bai R, Li M, Liu P, Gu Y. Acid‐Acid‐Catalyzed Tandem Reactions Driven by an Additive‐Like Component. CHEM REC 2020. [DOI: 10.1002/tcr.202000097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shaomin Chen
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan School of Chemistry and Chemical Engineering Shihezi University Shihezi 832004 P.R. China
| | - Rongxian Bai
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
| | - Minghao Li
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
| | - Ping Liu
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan School of Chemistry and Chemical Engineering Shihezi University Shihezi 832004 P.R. China
| | - Yanlong Gu
- Key Laboratory for Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 P.R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics Lanzhou 730000 P.R. China
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20
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Zhang J, Wang H, Chen Y, Xie H, Ding C, Tan J, Xu K. Electrochemical synthesis of selenocyanated imidazo[1,5-a]quinolines under metal catalyst- and chemical oxidant-free conditions. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.11.037] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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21
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Patil SG, Jadhav JS, Sankpal ST. Mg 3N 2-assisted one-pot synthesis of 1,3-disubstituted imidazo[1,5- a]pyridine. RSC Adv 2020; 10:11808-11815. [PMID: 35496590 PMCID: PMC9050600 DOI: 10.1039/c9ra10848c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 03/03/2020] [Indexed: 11/21/2022] Open
Abstract
A novel Mg3N2-assisted one-pot annulation strategy has been developed via cyclo-condensation reaction of 2-pyridyl ketones with alkyl glyoxylates or aldehydes, allowing the formation of imidazo[1,5-a]pyridines exclusively with an exellent yield.
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Affiliation(s)
- Suhas G Patil
- Sant Rawool Maharaj Mahavidyalaya Kudal 416520 MS India.,Department of Chemistry, ASP College Devrukh Ratnagiri 415804 MS India +91 2354 260 058
| | | | - Sagar T Sankpal
- Department of Chemistry, ASP College Devrukh Ratnagiri 415804 MS India +91 2354 260 058
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22
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Tan C, Liu Y, Liu X, Jia H, Xu K, Huang S, Wang J, Tan J. Stereoselective synthesis of trans-aziridines via intramolecular oxidative C(sp3)–H amination of β-amino ketones. Org Chem Front 2020. [DOI: 10.1039/c9qo01489f] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
An expedient strategy for the synthesis of trans-2,3-disubstituted via the intramolecular KI/TBHP mediated oxidative dehydrogenative C(sp3)–H amination reaction was presented.
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Affiliation(s)
- Chen Tan
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Yongguo Liu
- Beijing Key Laboratory of Flavor Chemistry
- Beijing Technology and Business University (BTBU)
- Beijing 100048
- China
| | - Xinyuan Liu
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Huanxin Jia
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Kun Xu
- College of Chemistry and Pharmaceutical Engineering
- Nanyang Normal University
- Nanyang
- China
| | - Sihan Huang
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jingwen Wang
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Jiajing Tan
- Department of Organic Chemistry
- College of Chemistry
- Beijing University of Chemical Technology
- Beijing 100029
- China
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23
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Crystal structure of 4-(1-phenylimidazo[1,5-a]pyridin-3-yl)benzoic acid (C20H14N2O2). Z KRIST-NEW CRYST ST 2019. [DOI: 10.1515/ncrs-2019-0300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
AbstractC20H14N2O2, monoclinic, C2/c (no. 15), a = 17.8410(5) Å, b = 15.3081(4) Å, c = 11.3881(3) Å, β = 104.280(1)°, V = 3014.12(14) Å3, Z = 8, Rgt(F) = 0.0364, wRref(F2) = 0.0997, T = 100(2) K.
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24
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Sandeep M, Muzaffar-ur-Rehman MD, Pradeep Kumar G, Sridhar B, Reddy KR. One-Pot Synthesis of 3-Sulfenyl/Selenylimidazo[1,5- a
]quinolines from 2-Methylquinolines, Aliphatic Amines/Amino Acids, and Dichalcogenides. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901174] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Mummadi Sandeep
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; Tarnaka 500007 Hyderabad India
- Academy of Scientific and Innovative Research (AcSIR); 110025 New Delhi India
| | - MD. Muzaffar-ur-Rehman
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; Tarnaka 500007 Hyderabad India
| | - Geetala Pradeep Kumar
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; Tarnaka 500007 Hyderabad India
- CSIR-IICT; IICT-RMIT Joint Research Centre; 500007 Hyderabad India
| | - Balasubramanian Sridhar
- X-ray Crystallography Division; CSIR-Indian Institute of Chemical Technology; 500007 Hyderabad India
| | - Kallu Rajender Reddy
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; Tarnaka 500007 Hyderabad India
- Academy of Scientific and Innovative Research (AcSIR); 110025 New Delhi India
- CSIR-IICT; IICT-RMIT Joint Research Centre; 500007 Hyderabad India
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25
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Herr JM, Rössiger C, Albrecht G, Yanagi H, Göttlich R. Solvent-free microwave-assisted synthesis of imidazo[1,5- a]pyridine and –quinoline derivatives. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1650188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Jasmin Martha Herr
- Institute of Organic Chemistry, Justus-Liebig-University Giessen, Giessen, Germany
- Center for Materials Research (LaMa), Justus-Liebig-University Giessen, Giessen, Germany
| | - Carina Rössiger
- Institute of Organic Chemistry, Justus-Liebig-University Giessen, Giessen, Germany
- Center for Materials Research (LaMa), Justus-Liebig-University Giessen, Giessen, Germany
| | - Georg Albrecht
- Center for Materials Research (LaMa), Justus-Liebig-University Giessen, Giessen, Germany
- Institute of Applied Physics, Justus-Liebig-University Giessen, Giessen, Germany
| | - Hisao Yanagi
- Department of Materials Science, NAIST, Nara, Japan
| | - Richard Göttlich
- Institute of Organic Chemistry, Justus-Liebig-University Giessen, Giessen, Germany
- Center for Materials Research (LaMa), Justus-Liebig-University Giessen, Giessen, Germany
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26
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Peng Y, Feng CT, Li YQ, Chen FX, Xu K. Exploring the ring-opening reactions of imidazo[1,5-a]quinolines for the synthesis of imides under photochemical conditions. Org Biomol Chem 2019; 17:6570-6573. [PMID: 31243406 DOI: 10.1039/c9ob01227c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ring-opening reaction of imidazo[1,5-a]quinolines under photoredox conditions has been described. With Eosin Y as the organophotoredox catalyst, synthetically useful and medicinally important imides were obtained in moderate to excellent yields under mild reaction conditions.
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Affiliation(s)
- Ya Peng
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Cheng-Tao Feng
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Yu-Qing Li
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Feng-Xiang Chen
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Kun Xu
- Engineering Technology Research Center of Henan Province for Photo- and Electrochemical Catalysis, School of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
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27
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Reen GK, Kumar A, Sharma P. Recent advances on the transition-metal-catalyzed synthesis of imidazopyridines: an updated coverage. Beilstein J Org Chem 2019; 15:1612-1704. [PMID: 31435443 PMCID: PMC6664406 DOI: 10.3762/bjoc.15.165] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 06/28/2019] [Indexed: 12/21/2022] Open
Abstract
A comprehensive account of recent advances in the synthesis of imidazopyridines, assisted through transition-metal-catalyzed multicomponent reactions, C-H activation/functionalization and coupling reactions are highlighted in this review article. The basic illustration of this review comprises of schemes with concise account of explanatory text. The schemes depict the reaction conditions along with a quick look into the mechanism involved to render a deep understanding of the catalytic role. At some instances optimizations of certain features have been illustrated through tables, i.e., selectivity of catalyst, loading of the catalyst and percentage yield with different substrates. Each of the reported examples has been rigorously analyzed for reacting substrates, reaction conditions and transition metals used as the catalyst. This review will be helpful to the chemists in understanding the challenges associated with the reported methods as well as the future possibilities, both in the choice of substrates and catalysts. This review would be quite appealing to a wider range of organic chemists in academia and industrial R&D sectors working in the field of heterocyclic syntheses. In a nutshell, this review will be a guiding torch to envisage: (i) the role of various transition metals in the domain dedicated towards method development and (ii) for the modifications needed thereof in the R&D sector.
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Affiliation(s)
| | - Ashok Kumar
- School of Chemical Sciences, Devi Ahilya University, Indore, (M. P.), India
| | - Pratibha Sharma
- School of Chemical Sciences, Devi Ahilya University, Indore, (M. P.), India
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28
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Chandrasekar S, Sangeetha S, Sekar G. Synthesis of 1,3‐Disubstituted Imidazo[1,5‐
a
]pyridines through Oxidative C‐N Bond Formation from Aryl‐2‐pyridylmethanols and Their Fluorescent Study. ChemistrySelect 2019. [DOI: 10.1002/slct.201901440] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Selvaraj Chandrasekar
- Department of ChemistryIndian Institute of Technology Madras Chennai-600036, Tamil Nadu India
| | - Subramani Sangeetha
- Department of ChemistryIndian Institute of Technology Madras Chennai-600036, Tamil Nadu India
| | - Govindasamy Sekar
- Department of ChemistryIndian Institute of Technology Madras Chennai-600036, Tamil Nadu India
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29
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Affiliation(s)
- Fengtian Wu
- Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and DevicesEast China University of Technology Guanglan Road Nanchang 330013 P. R. China
| | - Mingyang Ma
- Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and DevicesEast China University of Technology Guanglan Road Nanchang 330013 P. R. China
| | - Jianwei Xie
- College of Chemistry and BioengineeringHunan University of Science and Engineering Yangzitang Road Yongzhou 425100 P. R. China
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30
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De Schouwer F, Claes L, Vandekerkhove A, Verduyckt J, De Vos DE. Protein-Rich Biomass Waste as a Resource for Future Biorefineries: State of the Art, Challenges, and Opportunities. CHEMSUSCHEM 2019; 12:1272-1303. [PMID: 30667150 DOI: 10.1002/cssc.201802418] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/22/2019] [Indexed: 06/09/2023]
Abstract
Protein-rich biomass provides a valuable feedstock for the chemical industry. This Review describes every process step in the value chain from protein waste to chemicals. The first part deals with the physicochemical extraction of proteins from biomass, hydrolytic degradation to peptides and amino acids, and separation of amino acid mixtures. The second part provides an overview of physical and (bio)chemical technologies for the production of polymers, commodity chemicals, pharmaceuticals, and other fine chemicals. This can be achieved by incorporation of oligopeptides into polymers, or by modification and defunctionalization of amino acids, for example, their reduction to amino alcohols, decarboxylation to amines, (cyclic) amides and nitriles, deamination to (di)carboxylic acids, and synthesis of fine chemicals and ionic liquids. Bio- and chemocatalytic approaches are compared in terms of scope, efficiency, and sustainability.
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Affiliation(s)
- Free De Schouwer
- Centre for Surface Chemistry and Catalysis, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, post box 2461, 3001, Heverlee, Belgium
| | - Laurens Claes
- Centre for Surface Chemistry and Catalysis, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, post box 2461, 3001, Heverlee, Belgium
| | - Annelies Vandekerkhove
- Centre for Surface Chemistry and Catalysis, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, post box 2461, 3001, Heverlee, Belgium
| | - Jasper Verduyckt
- Centre for Surface Chemistry and Catalysis, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, post box 2461, 3001, Heverlee, Belgium
| | - Dirk E De Vos
- Centre for Surface Chemistry and Catalysis, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, post box 2461, 3001, Heverlee, Belgium
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31
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Caille S, Cui S, Faul MM, Mennen SM, Tedrow JS, Walker SD. Molecular Complexity as a Driver for Chemical Process Innovation in the Pharmaceutical Industry. J Org Chem 2019; 84:4583-4603. [DOI: 10.1021/acs.joc.9b00735] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Seb Caille
- Process Development, Amgen, Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Sheng Cui
- Process Development, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Margaret M. Faul
- Process Development, Amgen, Inc., One Amgen Center Drive, Thousand Oaks, California 91320, United States
| | - Steven M. Mennen
- Process Development, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Jason S. Tedrow
- Process Development, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Shawn D. Walker
- Process Development, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
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32
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Li J, Duan W, Pan X, Ye Y, Huang C. Microwave Irradiation Tandem Hydroamination and Oxidative Cyclization of Natural Amino Acids with Diethyl Acetylenedicarboxylate for Functionalized Pyrrole Derivatives. ChemistrySelect 2019. [DOI: 10.1002/slct.201900198] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jisen Li
- National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased MaterialsSchool of Chemistry and EnvironmentYunnan Minzu University Kunming 650500, P. R. China
| | - Wenwen Duan
- National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased MaterialsSchool of Chemistry and EnvironmentYunnan Minzu University Kunming 650500, P. R. China
| | - Xiaoxia Pan
- National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased MaterialsSchool of Chemistry and EnvironmentYunnan Minzu University Kunming 650500, P. R. China
| | - Yanqing Ye
- National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased MaterialsSchool of Chemistry and EnvironmentYunnan Minzu University Kunming 650500, P. R. China
| | - Chao Huang
- National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased MaterialsSchool of Chemistry and EnvironmentYunnan Minzu University Kunming 650500, P. R. China
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33
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Sheng J, Liu J, Zhao H, Zheng L, Wei X. Metal-free synthesis of imidazo[1,5-a]pyridines via elemental sulfur mediated sequential dual oxidative Csp 3-H amination. Org Biomol Chem 2019; 16:5570-5574. [PMID: 30047971 DOI: 10.1039/c8ob01391h] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple and efficient approach has been developed for the synthesis of imidazo[1,5-a]pyridines using the elemental sulfur mediated sequential dual oxidative Csp3-H amination of 2-pyridyl acetates and amines under metal- and peroxide-free conditions. Broad substrate scope, operational simplicity and gram-scale ability make this chemistry very practical.
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Affiliation(s)
- Jie Sheng
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China.
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34
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Sharma RK, Sharma A, Sharma S, Dutta S, Yadav S, Arora B. Design and Exploration of Catalytic Activity of Two-Dimensional Surface-Engineered Graphene Oxide Nanosheets in the Transannulation of N-Heterocyclic Aldehydes or Ketones with Alkylamines. ACS OMEGA 2019; 4:3146-3158. [PMID: 31459532 PMCID: PMC6648637 DOI: 10.1021/acsomega.8b02902] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 01/23/2019] [Indexed: 06/06/2023]
Abstract
In this work, pharmaceutically and biologically important compounds containing imidazo[1,5-a]pyridine nuclei have been synthesized via transannulation of N-heteroaryl aldehydes or ketones with alkylamines using a graphene oxide-supported copper catalyst. The nanocatalyst was fabricated by the covalent immobilization of 4-aminoantipyrine onto an amine-functionalized graphene oxide nanosupport followed by its metallation with copper acetate. Structural analysis by transmission electron microscopy, scanning electron microscopy, X-ray photoelectron spectroscopy (XPS), and X-ray diffraction demonstrates that the two-dimensional sheet-like structure of graphene oxide is maintained even after the chemical modifications, whereas XPS revealed crucial information related to elemental composition and surface electronic states of the metal present in the catalyst. Apart from this, Fourier transform infrared spectroscopy helped in identifying the degree of oxidation and the presence of oxygenated groups in graphene oxide nanocomposites. As a heterogeneous catalyst, this graphene oxide-supported copper complex showed moderate to good catalytic activity in the C(sp3)-H bond activation/amination of a variety of substrates. This superior catalytic performance originated from the unique 2-dimensional structure of graphene oxide-based material which provided space between graphitic overlayers due to appropriate positioning of metal on their basal planes, decreasing the diffusion resistances of reactant surfaces, thus making it function as a nanoreactor. More importantly, this nanomaterial could be recovered easily and reused repeatedly by simple washing without chemical treatment with no appreciable loss in its catalytic activity, showing good potential for increasing the overall turnover number of this synthetically useful catalyst.
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Affiliation(s)
- Rakesh K. Sharma
- Green Chemistry Network Centre, Department
of Chemistry, University of Delhi, New Delhi 110007, India
| | - Aditi Sharma
- Green Chemistry Network Centre, Department
of Chemistry, University of Delhi, New Delhi 110007, India
| | - Shivani Sharma
- Green Chemistry Network Centre, Department
of Chemistry, University of Delhi, New Delhi 110007, India
| | - Sriparna Dutta
- Green Chemistry Network Centre, Department
of Chemistry, University of Delhi, New Delhi 110007, India
| | - Sneha Yadav
- Green Chemistry Network Centre, Department
of Chemistry, University of Delhi, New Delhi 110007, India
| | - Bhavya Arora
- Green Chemistry Network Centre, Department
of Chemistry, University of Delhi, New Delhi 110007, India
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35
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Rahman M, Mukherjee A, Kovalev IS, Kopchuk DS, Zyryanov GV, Tsurkan MV, Majee A, Ranu BC, Charushin VN, Chupakhin ON, Santra S. Recent Advances on Diverse Decarboxylative Reactions of Amino Acids. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801331] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Matiur Rahman
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
| | - Anindita Mukherjee
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
| | - Igor S. Kovalev
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
| | - Dmitry S. Kopchuk
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Grigory V. Zyryanov
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Mikhail V. Tsurkan
- Max Bergmann Center of BiomaterialsLeibniz Institute of Polymer Research Hohe Strasse 6 01069 Dresden Germany
| | - Adinath Majee
- Department of ChemistryVisva-Bharati (A Central University) Santiniketan 731235 India
| | - Brindaban C. Ranu
- Department of Organic ChemistryIndian Association for the Cultivation of Science, Jadavpur Kolkata 700032 India
| | - Valery N. Charushin
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Oleg N. Chupakhin
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
- I. Ya. Postovskiy Institute of Organic SynthesisUral Division of the Russian Academy of Sciences 22 S. Kovalevskoy Str. Yekaterinburg 620219 Russian Federation
| | - Sougata Santra
- Department of Organic & Biomolecular Chemistry, Chemical Engineering InstituteUral Federal University 19 Mira Str. 620002 Yekaterinburg Russian Federation
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36
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Heterogeneous copper-catalyzed decarboxylative cyclization of 2-benzoylpyridines with α-amino acids leading to imidazo[1,5-a]pyridines. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2018.11.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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Wang R, Wang J, Tang Q, Zhao X, Wang J, Leng Y, Wu Y, Chang J, Wu Y, Zhang Z, Wang S. Copper(I)-catalyzed direct C-H trifluoromethylation of imidazoheterocycles with Togni’s reagent. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.01.026] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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38
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Qian P, Yan Z, Zhou Z, Hu K, Wang J, Li Z, Zha Z, Wang Z. Electrocatalytic Tandem Synthesis of 1,3-Disubstituted Imidazo[1,5-a]quinolines via Sequential Dual Oxidative C(sp3)–H Amination in Aqueous Medium. J Org Chem 2019; 84:3148-3157. [DOI: 10.1021/acs.joc.8b03014] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Peng Qian
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zicong Yan
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhenghong Zhou
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Kangfei Hu
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Jiawei Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhibin Li
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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39
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Yuan Y, Cao Y, Qiao J, Lin Y, Jiang X, Weng Y, Tang S, Lei A. Electrochemical Oxidative C—H Sulfenylation of Imidazopyridines with Hydrogen Evolution. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800405] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yong Yuan
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang Jiangxi 330022 China
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Yangmin Cao
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang Jiangxi 330022 China
| | - Jin Qiao
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang Jiangxi 330022 China
| | - Yueping Lin
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang Jiangxi 330022 China
| | - Xiaomei Jiang
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang Jiangxi 330022 China
| | - Yaqing Weng
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang Jiangxi 330022 China
| | - Shan Tang
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Aiwen Lei
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University Nanchang Jiangxi 330022 China
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
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40
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Feng CT, Wei HJ, Li J, Peng Y, Xu K. Synthesis of Cyanide-Functionalized Imidazo[1,5-a]quinolines via Copper-Mediated Aerobic Three-Component Cyclizations. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801060] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Cheng-Tao Feng
- School of Chemical Engineering; Anhui University of Science and Technology, Huainan; Anhui 232001 People's Republic of China
| | - Hong-Juan Wei
- School of Chemical Engineering; Anhui University of Science and Technology, Huainan; Anhui 232001 People's Republic of China
| | - Jing Li
- School of Chemical Engineering; Anhui University of Science and Technology, Huainan; Anhui 232001 People's Republic of China
| | - Ya Peng
- School of Chemical Engineering; Anhui University of Science and Technology, Huainan; Anhui 232001 People's Republic of China
| | - Kun Xu
- Engineering Technology Research Center of Henan Province for Solar Catalysis; College of Chemistry and Pharmaceutical Engineering; Nanyang Normal University; Nanyang 473061 People's Republic of China
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41
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Qian P, Yan Z, Zhou Z, Hu K, Wang J, Li Z, Zha Z, Wang Z. Electrocatalytic Intermolecular C(sp3)–H/N–H Coupling of Methyl N-Heteroaromatics with Amines and Amino Acids: Access to Imidazo-Fused N-Heterocycles. Org Lett 2018; 20:6359-6363. [DOI: 10.1021/acs.orglett.8b02578] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Peng Qian
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zicong Yan
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhenghong Zhou
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Kangfei Hu
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Jiawei Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhibin Li
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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42
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Qin M, Tian Y, Guo X, Yuan X, Yang X, Chen B. I 2
/TBPB Mediated Oxidative Reaction to Construct of Imidazo[1,5-α]pyridines under Metal-Free Conditions. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800285] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mingda Qin
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Yuan Tian
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Xin Guo
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Xinglong Yuan
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Xueying Yang
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 China
| | - Baohua Chen
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 China
- Zhongwei High-tech Institute of Lanzhou University; Zhongwei Ningxia 755500 China
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43
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Verma S, Mishra PK, Kumar M, Sur S, Verma AK. Transition-Metal-Free Access to Pyridocarbazoles from 2-Alkynylindole-3-carbaldehydes via Azomethine Ylide. J Org Chem 2018; 83:6650-6663. [PMID: 29790341 DOI: 10.1021/acs.joc.8b00980] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
An efficient approach for the synthesis of functionalized tetrahydro-pyrido/quinolinocarbazoles from 2-alkynylindole-3-carbaldehydes and l-proline utilizing a metal-free decarboxylative cyclization, ring expansion, and ring contraction strategy via the generation of azomethine ylide was developed. The reaction of 2-alkynylindole-3-carbaldehydes with l-thioproline leads to the formation of γ-carbolines. By virtue of this expedient method, a diverse range of biologically active heteroannulated carbazoles can be synthesized efficiently.
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Affiliation(s)
- Shalini Verma
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry , University of Delhi , Delhi 110007 , India
| | - Pawan K Mishra
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry , University of Delhi , Delhi 110007 , India
| | - Manoj Kumar
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry , University of Delhi , Delhi 110007 , India
| | - Souvik Sur
- Special Centre for Molecular Medicine , Jawaharlal Nehru University , New Delhi 110067 , India
| | - Akhilesh K Verma
- Synthetic Organic Chemistry Research Laboratory, Department of Chemistry , University of Delhi , Delhi 110007 , India
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44
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Sandeep M, Swati Dushyant P, Sravani B, Rajender Reddy K. Direct Access to Halogenated Fused Imidazo[1,5-a
]N
-heteroaromatics through Copper-Promoted Double Oxidative C-H Amination and Halogenation. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800628] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Mummadi Sandeep
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; 500007 Tarnaka, Hyderabad India
- Academy of Scientific and Innovative Research; 110025 New Delhi India
| | - Patil Swati Dushyant
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; 500007 Tarnaka, Hyderabad India
| | - Boda Sravani
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; 500007 Tarnaka, Hyderabad India
| | - Kallu Rajender Reddy
- Catalysis and Fine Chemicals Division; CSIR-Indian Institute of Chemical Technology; 500007 Tarnaka, Hyderabad India
- Academy of Scientific and Innovative Research; 110025 New Delhi India
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45
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Mondal S, Chowdhury S. Recent Advances on Amino Acid Modifications via
C-H Functionalization and Decarboxylative Functionalization Strategies. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800011] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Santanu Mondal
- Department of Chemical Sciences; Indian Institute of Science Education and Research - Kolkata; Mohanpur, West Bengal India
| | - Sushobhan Chowdhury
- Department of Chemical Sciences; Indian Institute of Science Education and Research - Kolkata; Mohanpur, West Bengal India
- Medicinal and Process Chemistry Division, CSIR - Central Drug Research Institute; Lucknow, Uttar Pradesh India
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46
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Bazin HG, Bess LS, Livesay MT. Synthesis and Applications of Imidazoquinolines: A Review. ORG PREP PROCED INT 2018. [DOI: 10.1080/00304948.2018.1433427] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Hélène G. Bazin
- Biomedical & Pharmaceutical Science, University of Montana, 32 Campus Drive #1552, Missoula, MT 59812, USA
| | - Laura S. Bess
- Biomedical & Pharmaceutical Science, University of Montana, 32 Campus Drive #1552, Missoula, MT 59812, USA
| | - Mark T. Livesay
- Biomedical & Pharmaceutical Science, University of Montana, 32 Campus Drive #1552, Missoula, MT 59812, USA
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47
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Yan Y, Li Z, Cui C, Li H, Shi M, Liu Y. An I2-mediated aerobic oxidative annulation of amidines with tertiary aminesviaC–H amination/C–N cleavage for the synthesis of 2,4-disubstituted 1,3,5-triazines. Org Biomol Chem 2018; 16:2629-2633. [PMID: 29610816 DOI: 10.1039/c8ob00635k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An iodine-mediated aerobic oxidative cycloaddition of amidines with tertiary amines was first demonstrated, affording symmetrical and unsymmetrical 2,4-disubstituted 1,3,5-triazines.
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Affiliation(s)
- Yizhe Yan
- School of Food and Biological Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P. R. China
- Collaborative Innovation Center of Food Production and Safety
| | - Zheng Li
- School of Food and Biological Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P. R. China
| | - Chang Cui
- School of Food and Biological Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P. R. China
| | - Hongyi Li
- School of Food and Biological Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P. R. China
| | - Miaomiao Shi
- School of Food and Biological Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P. R. China
| | - Yanqi Liu
- School of Food and Biological Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P. R. China
- Collaborative Innovation Center of Food Production and Safety
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48
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Kibriya G, Bagdi AK, Hajra A. Visible light induced tetramethylethylenediamine assisted formylation of imidazopyridines. Org Biomol Chem 2018; 16:3473-3478. [DOI: 10.1039/c8ob00532j] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A metal-free visible light induced C-3 formylation of imidazo[1,2-a]pyridine has been developed using tetramethylethylenediamine (TMEDA) as a one carbon source under ambient air.
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Affiliation(s)
- Golam Kibriya
- Department of Chemistry
- Visva-Bharati (A Central University)
- Santiniketan 731235
- India
| | - Avik K. Bagdi
- Department of Chemistry
- TDB College
- Paschim Bardhaman 713347
- India
| | - Alakananda Hajra
- Department of Chemistry
- Visva-Bharati (A Central University)
- Santiniketan 731235
- India
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49
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Yan Z, Wan C, Yang Y, Zha Z, Wang Z. The synthesis of imidazo[1,5-a]quinolinesviaa decarboxylative cyclization under metal-free conditions. RSC Adv 2018; 8:23058-23065. [PMID: 35540158 PMCID: PMC9081590 DOI: 10.1039/c8ra03786h] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 06/15/2018] [Indexed: 11/21/2022] Open
Abstract
An iodine-mediated decarboxylative cyclization was developed from α-amino acids and 2-methyl quinolines under metal-free conditions, affording a variety of imidazo[1,5-a]quinolines with moderate to good yields. An iodine-mediated decarboxylative cyclization was developed from α-amino acids and 2-methyl quinolines under metal-free conditions, affording a variety of imidazo[1,5-a]quinolines with moderate to good yields.![]()
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Affiliation(s)
- Zicong Yan
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences
- Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
| | - Changfeng Wan
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang
- P. R. China
| | - Yu Yang
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences
- Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences
- Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale
- CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences
- Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials Science
- University of Science and Technology of China
- Hefei
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50
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Hu Z, Hou J, Liu J, Yu W, Chang J. Synthesis of imidazo[1,5-a]pyridines via I2-mediated sp3 C–H amination. Org Biomol Chem 2018; 16:5653-5660. [DOI: 10.1039/c8ob01501e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A transition-metal-free sp3 C–H amination reaction has been developed employing molecular iodine for imidazo[1,5-a]pyridine synthesis.
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Affiliation(s)
- Zhiyuan Hu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Jiao Hou
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Jie Liu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Wenquan Yu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
| | - Junbiao Chang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- China
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