1
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P H, M V, Dey R. Multicomponent synthesis via acceptorless alcohol dehydrogenation: an easy access to tri-substituted pyridines. RSC Adv 2024; 14:10761-10767. [PMID: 38572342 PMCID: PMC10988360 DOI: 10.1039/d4ra00439f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/06/2024] [Indexed: 04/05/2024] Open
Abstract
Herein, we report palladium supported on a hydroxyapatite catalyst for synthesizing tri-substituted pyridines using ammonium acetate as the nitrogen source via acceptorless alcohol dehydrogenation strategy. The strategy offers a broad substrate scope using inexpensive and readily available alcohols as the starting material. The catalyst was prepared using a simple method and analyzed by several techniques, including FE-SEM, EDS, HR-TEM, BET, XRD, FT-IR, UV-visible spectroscopy, and XPS, demonstrating the anchoring of Pd nanoparticles on hydroxyapatite in the zero oxidation state. Moreover, several controlled experiments were carried out to understand the reaction pathway and a suitable mechanism has been proposed.
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Affiliation(s)
- Hima P
- Department of Chemistry, National Institute of Technology Calicut Kozhikode 673601 India
| | - Vageesh M
- Department of Chemistry, National Institute of Technology Calicut Kozhikode 673601 India
| | - Raju Dey
- Department of Chemistry, National Institute of Technology Calicut Kozhikode 673601 India
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2
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Chen Y, Wang PM, Chen ZT, Li B. Modulating Charge Transfer Pathways to Enhance Photocatalytic Performance of the Metal-Organic Layer Nanosheet. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46982-46994. [PMID: 37769278 DOI: 10.1021/acsami.3c09985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Two-dimensional metal-organic layer (MOL) nanosheets, as nonhomogeneous catalysts, show better optical activity in the field of photocatalysis due to their unique structural advantages. Current research focuses on how to modify the structure of 2D nanosheets by means of crystal engineering to modulate the intralayer electron transfer pathway and systematically investigate the impacts of size effect and electron transfer pathway on the energy utilization efficiency of crystalline materials. In the present work, a triple lophine-derived ligand was designed and prepared, which exhibits a large π-conjugation system and multiple D-A (D: donor, A: acceptor) electron transfer pathways. 2D MOL constructed with Cd ions can be exfoliated by physical sonication to obtain double-walled 2D MOL nanosheets. Compared with the bulk crystalline material, the 2D nanosheets exhibit better photovoltaic properties. Benefiting from the excellent structural advantages, 2D MOL nanosheets could be used as photocatalysts for a variety of aerobic oxidation reactions under mild conditions (10 W white LED, room temperature), such as the trifluoromethylation of coumarins, the synthesis of benzimidazole derivatives from aromatic diamines and aromatic aldehydes, and the preparation of 2,4,6-triarylpyridine derivatives, all with high conversion rates and selectivity (yield typically greater than 88%). The related results illustrate that the introduction of the photoactive triple-lophine unit into 2D MOL nanosheets can effectively modulate the electron transport mode and enhance energy utilization, which provides a new research idea for the development of nonhomogeneous photocatalysts aimed at the applications of visible light-driven organic conversion.
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Affiliation(s)
- Yuan Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Semiconductor Chemistry Center, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
| | - Peng-Min Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Semiconductor Chemistry Center, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
| | - Zi-Tong Chen
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Semiconductor Chemistry Center, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
| | - Bao Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Semiconductor Chemistry Center, School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People's Republic of China
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3
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El Hallaoui A, Merroun Y, Chehab S, Boukhris S, Hassoune H, Ghailane R, Souizi A. Efficient synthesis of symmetrically substituted pyridines and substituted alkenes through green and heterogeneous catalysis with zinc phosphate. Org Biomol Chem 2023; 21:6368-6378. [PMID: 37491970 DOI: 10.1039/d3ob00634d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
This study presents a new environmentally sustainable catalytic method for the synthesis of symmetrically substituted pyridine derivatives and substituted alkene derivatives using zinc phosphate (Zn3(PO4)2·4H2O) as a non-toxic and green heterogeneous catalyst. The catalytic support was prepared by a co-precipitation method, and it was applied for the first time as a heterogeneous catalyst in organic synthesis. Trisubstituted pyridine derivatives were prepared with excellent yields (82-94%) via a three-component, one-pot synthesis of aromatic aldehydes, substituted acetophenones, and ammonium acetate in the presence of 0.4 mol% of Zn3(PO4)2·4H2O using an ethanol/water (4/1) mixture as the solvent, while substituted alkenes were synthesized with up to 90% yield using the prepared catalyst. The experimental results demonstrate the efficiency of these new catalytic syntheses that present various advantages such as short reaction times, excellent yields, and an environmentally friendly profile.
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Affiliation(s)
- Achraf El Hallaoui
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Youssef Merroun
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Soukaina Chehab
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Said Boukhris
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Hicham Hassoune
- Department of Chemical and Biochemical Sciences (CBS), Mohammed VI Polytechnic University (UM6P), Hay Moulay Rachid, Ben Guerir, 43150, Morocco
| | - Rachida Ghailane
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Abedelaziz Souizi
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
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4
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Chatterjee R, Bhukta S, Angajala KK, Dandela R. Copper catalysed oxidative cascade deamination/cyclization of vinyl azide and benzylamine for the synthesis of 2,4,6-triarylpyridines. Org Biomol Chem 2023. [PMID: 37334911 DOI: 10.1039/d3ob00625e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
A highly efficient one-pot method for the synthesis of 2,4,6-triaryl pyridines has been developed via cascade deamination and annulation. Copper triflate and molecular iodine easily promoted the oxidative cyclization reaction of vinyl azide and benzylamine to access a wide variety of substituted pyridine substrates under an oxygen atmosphere. The presence of benzyl amine enables the cyclization process by providing the aryl functionality and the nitrogen source. Moreover, a broad range of substrates with good functional group tolerance, avoidance of external oxidants, excellent product yields, operational simplicity and mild conditions are the notable advantages of the present protocol.
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Affiliation(s)
- Rana Chatterjee
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Indian Oil Odisha Campus, Samantpuri, Bhubaneswar 751013, India.
| | - Swadhapriya Bhukta
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Indian Oil Odisha Campus, Samantpuri, Bhubaneswar 751013, India.
| | - Kishore Kumar Angajala
- Department of Humanities and Sciences, Vardhaman College of Engineering, Shamshabad, Hyderabad-501218, Telangana, India
| | - Rambabu Dandela
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Indian Oil Odisha Campus, Samantpuri, Bhubaneswar 751013, India.
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5
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Sahoo AK, Rakshit A, Pan A, Dhara HN, Patel BK. Visible/solar-light-driven thiyl-radical-triggered synthesis of multi-substituted pyridines. Org Biomol Chem 2023; 21:1680-1691. [PMID: 36723155 DOI: 10.1039/d3ob00009e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A light-triggered synthesis of thio-functionalized pyridines is demonstrated using γ-ketodinitriles, thiols, and eosin Y as the photocatalyst. The reaction proceeds via the selective attack on one of the cyano groups by an in situ generated thiyl radical. The reaction also proceeds with nearly equal efficiency using direct sunlight. Large-scale synthesis and a few useful synthetic transformations of the substituted pyridines are also performed.
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Affiliation(s)
- Ashish Kumar Sahoo
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Assam, India.
| | - Amitava Rakshit
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Assam, India.
| | - Avishek Pan
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Assam, India.
| | - Hirendra Nath Dhara
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Assam, India.
| | - Bhisma K Patel
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039, Assam, India.
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6
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Tivari S, Singh PK, Singh PP, Srivastava V. Visible light-induced photoredox catalyzed C-N coupling of amides with alcohols. RSC Adv 2022; 12:35221-35226. [PMID: 36540212 PMCID: PMC9730743 DOI: 10.1039/d2ra07065k] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 12/02/2022] [Indexed: 03/23/2024] Open
Abstract
A visible-light-mediated method for the construction of N-monoalkylated products from easily available benzamides and benzyl alcohol in the presence of eosin Y has been developed. The reaction proceeded smoothly, for a wide range of derivatives of benzamides and benzyl alcohols, to give the desired products in good to excellent yields. Biological studies, such as those on drug-likeness and molecular docking, are carried out on the molecules.
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Affiliation(s)
- Shraddha Tivari
- Department of Chemistry, CMP Degree College, University of Allahabad Prayagraj-211002 Uttar Pradesh India
| | - Pravin K Singh
- Department of Chemistry, CMP Degree College, University of Allahabad Prayagraj-211002 Uttar Pradesh India
| | - Praveen P Singh
- Department of Chemistry, United College of Engineering & Research Naini Prayagraj-211010 Uttar Pradesh India
| | - Vishal Srivastava
- Department of Chemistry, CMP Degree College, University of Allahabad Prayagraj-211002 Uttar Pradesh India
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7
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Yajima T. Visible-light-induced Organocatalytic Perfluoroalkylation of Electron-rich Olefins. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.1028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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8
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Zhao X, Pang H, Huang D, Liu G, Hu J, Xiang Y. Construction of Ultrastable Nonsubstituted Quinoline‐Bridged Covalent Organic Frameworks via Rhodium‐Catalyzed Dehydrogenative Annulation. Angew Chem Int Ed Engl 2022; 61:e202208833. [DOI: 10.1002/anie.202208833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaodong Zhao
- Department of Chemistry, College of Science Huazhong Agricultural University Wuhan Hubei 430070 China
| | - Huaji Pang
- Department of Chemistry, College of Science Huazhong Agricultural University Wuhan Hubei 430070 China
| | - Dekang Huang
- Department of Chemistry, College of Science Huazhong Agricultural University Wuhan Hubei 430070 China
| | - Gang Liu
- Department of Chemistry, College of Science Huazhong Agricultural University Wuhan Hubei 430070 China
| | - Jianxiang Hu
- Department of Chemistry, College of Science Huazhong Agricultural University Wuhan Hubei 430070 China
| | - Yonggang Xiang
- Department of Chemistry, College of Science Huazhong Agricultural University Wuhan Hubei 430070 China
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9
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Zhao X, Pang H, Huang D, Liu G, Hu J, Xiang Y. Construction of Ultrastable Nonsubstituted Quinoline‐Bridged Covalent Organic Frameworks via Rhodium‐Catalyzed Dehydrogenative Annulation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208833] [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)
- Xiaodong Zhao
- Huazhong Agriculture University: Huazhong Agricultural University College of Science CHINA
| | - Huaji Pang
- Huazhong Agriculture University: Huazhong Agricultural University College of Science CHINA
| | - Dekang Huang
- Huazhong Agriculture University: Huazhong Agricultural University College of Science CHINA
| | - Gang Liu
- Huazhong Agriculture University: Huazhong Agricultural University College of Science CHINA
| | - Jianxiang Hu
- Huazhong Agriculture University: Huazhong Agricultural University College of Science CHINA
| | - Yonggang Xiang
- College of Science Huazhong Agricultural University Shizishan Avenue 430070 Wuhan CHINA
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10
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Liu T, Shen X, Liu Z, Zhang F, Liu JJ. An electron-deficient MOF as an efficient electron-transfer catalyst for selective oxidative carbon-carbon coupling of 2,6-di- tert-butylphenol. Dalton Trans 2022; 51:8234-8239. [PMID: 35575225 DOI: 10.1039/d2dt00869f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Naphthalene diimides (NDIs), a type of electron-deficient dye molecule with high quadrupole moment and excellent redox activity, have been utilized in various fields, such as energy transfer, chemical sensing, anion transport, and photo-/electrochromic materials. In this study, an electron-deficient metal-organic framework with one-dimensional channels, Eu2(BBNDI)3(DMF)2 (MOF 1) (H2BBNDI = N,N'-bis(3-benzoic acid)naphthalene diimide), was successfully constructed based on the naphthalene diimide derivative. Because of the generation of NDI radicals by electron transfer between components, this material exhibits fast-responsive reversible photochromic properties. Moreover, it shows high efficiency and selective oxidation of 2,6-di-tert-butylphenol to its quinone derivative, aldehyde, and dimeric or trimeric phenol derivative by controlling the reaction conditions.
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Affiliation(s)
- Teng Liu
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.
| | - Xianfu Shen
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.
| | - Zhengfen Liu
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.
| | - Feng Zhang
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.
| | - Jian-Jun Liu
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.
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11
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Chan CK, Chung YH, Wang CC. TMSOTf-mediated Kröhnke pyridine synthesis using HMDS as the nitrogen source under microwave irradiation. RSC Adv 2022; 12:8263-8273. [PMID: 35424740 PMCID: PMC8982443 DOI: 10.1039/d2ra00084a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/01/2022] [Indexed: 01/20/2023] Open
Abstract
An efficient protocol for the preparation of pyridine skeletons has been successfully developed involving the TMSOTf/HMDS (trifluoromethanesulfonic acid/hexamethyldisilane) system for the intermolecular cyclization of chalcones under MW (microwave) irradiation conditions. This method provides a facile approach to synthesize 2,4,6-triaryl or 3-benzyl-2,4,6-triarylpyridines in good to excellent yields. Interestingly, the 2,6-diazabicyclo[2.2.2]oct-2-ene core was obtained by changing the acid additive to Sn(OTf)2, and the desired product was also confirmed using X-ray single-crystal diffraction analysis.
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Affiliation(s)
- Chieh-Kai Chan
- Institute of Chemistry, Academia Sinica Taipei 115 Taiwan
| | - Yi-Hsiu Chung
- Institute of Chemistry, Academia Sinica Taipei 115 Taiwan
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12
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Bi S, Zhang Z, Meng F, Wu D, Chen J, Zhang F. Heteroatom‐Embedded Approach to Vinylene‐Linked Covalent Organic Frameworks with Isoelectronic Structures for Photoredox Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202111627] [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)
- Shuai Bi
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Zixing Zhang
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Fancheng Meng
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Dongqing Wu
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Jie‐Sheng Chen
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Fan Zhang
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
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13
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Jalali-Mola S, Torabi M, Yarie M, Zolfigol MA. Acidic tributyl phosphonium-based ionic liquid: an efficient catalyst for preparation of diverse pyridine systems via a cooperative vinylogous anomeric-based oxidation. RSC Adv 2022; 12:34730-34739. [DOI: 10.1039/d2ra04631h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 11/17/2022] [Indexed: 12/12/2022] Open
Abstract
Experimental procedure for the synthesis of triaryl pyridines, indolyl pyridines and nicotinonitriles.
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Affiliation(s)
- Sepideh Jalali-Mola
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Morteza Torabi
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Meysam Yarie
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
| | - Mohammad Ali Zolfigol
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, Hamedan, Iran
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14
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Bi S, Zhang Z, Meng F, Wu D, Chen JS, Zhang F. Heteroatom-Embedded Approach to Vinylene-Linked Covalent Organic Frameworks with Isoelectronic Structures for Photoredox Catalysis. Angew Chem Int Ed Engl 2021; 61:e202111627. [PMID: 34813141 DOI: 10.1002/anie.202111627] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Indexed: 11/06/2022]
Abstract
Embedding heteroatoms into the main backbones of polymeric materials has become an efficient tool for tailoring their structures and improving their properties. However, owing to comparatively harsh heteroatom-doping conditions, this has rarely been explored in covalent organic frameworks (COFs). Herein, upon aldol condensation of a trimethyl-substituted pyrylium salt with a tritopic aromatic aldehyde, a two-dimensional oxonium-embedded COF with vinylene linkages was achieved, which was further converted to a neutral pyridine-cored COF by in situ replacement of oxonium ions with nitrogen atoms under ammonia treatment. The two heteroatom-embedded COFs are conceptually isoelectronic with each other, featuring similar geometric structures but different electronic structures, rendering them capable of catalyzing the visible-light-promoted multi-component synthesis of tri-substituted pyridine derivatives with good recyclability.
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Affiliation(s)
- Shuai Bi
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Zixing Zhang
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Fancheng Meng
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Dongqing Wu
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Jie-Sheng Chen
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
| | - Fan Zhang
- School of Chemistry and Chemical Engineering; State Key Laboratory of Metal Matrix Composites; Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China
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15
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Mao Y, Mao H, Xu J, Liu T, Liu B, Tan Q, Ding CH, Xu B. Synthesis of Poly-Substituted Pyridines via Noble-Metal-Free Cycloaddition of Ketones and Imines. Chem Asian J 2021; 16:3905-3908. [PMID: 34626095 DOI: 10.1002/asia.202100983] [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: 08/21/2021] [Revised: 10/05/2021] [Indexed: 11/12/2022]
Abstract
An eco-friendly and noble-metal-free formal [4+2] cycloaddition reaction was developed for the efficient synthesis of biologically interesting poly-substituted pyridines from easily available ketones and imines, whereby two sequential C-C bonds are formed. The given approach features a unique synthetic strategy of imines and ketones with wide substrate scope, good functional group tolerance, mild conditions and operational simplicity, which represents a more direct pathway to synthesize poly-substituted pyridines than traditional methods.
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Affiliation(s)
- Yeting Mao
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Hong Mao
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Jiaojiao Xu
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Tianqi Liu
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Bingxin Liu
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Qitao Tan
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Chang-Hua Ding
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China
| | - Bin Xu
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai, 200444, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China
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16
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Shabalin DA. Recent advances and future challenges in the synthesis of 2,4,6-triarylpyridines. Org Biomol Chem 2021; 19:8184-8204. [PMID: 34499071 DOI: 10.1039/d1ob01310f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
2,4,6-Triarylpyridines are key building blocks to access functional molecules that are used in the design of advanced materials, metal-organic frameworks, supramolecules, reactive chemical intermediates and drugs. A number of synthetic protocols to construct this heterocyclic scaffold have been developed to date, the most recent of which (2015-present) are included and discussed in the present review. An emphasis has been placed on the utility of each synthetic approach in view of the scope of aryl/hetaryl substituents, limitations and an outlook of each method to be used in applied sciences.
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Affiliation(s)
- Dmitrii A Shabalin
- A.E. Favorsky Irkutsk Institute of Chemistry SB RAS, 1 Favorsky St, Irkutsk, 664033, Russian Federation.
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17
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Bai C, Guo H, Liu X, Liu D, Sun Z, Bao A, Baiyin M, Muschin T, Bao YS. [3 + 2 + 1] Pyridine Skeleton Synthesis Using Acetonitrile as C4N1 Units and Solvent. J Org Chem 2021; 86:12664-12675. [PMID: 34463102 DOI: 10.1021/acs.joc.1c01194] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The first [3 + 2 + 1] methodology for pyridine skeleton synthesis via cascade carbopalladation/cyclization of acetonitrile, arylboronic acids, and aldehydes was developed. This reaction proceeds via six step tandem reaction sequences involving the carbopalladation reaction of acetonitrile, a nucleophilic addition, a condensation, an intramolecular Michael addition, cyclization, and aromatization. Delightfully, both palladium acetate and supported palladium nanoparticles catalyzed this reaction with similar catalytic performance. The characterization results of the fresh and used supported palladium nanoparticle catalysts indicated that the reaction might be performed via a Pd(0)/Pd(II) catalytic cycle that began with Pd(0). Furthermore, the products showed good fluorescence characteristics. The green homogeneous/heterogenous catalytic methodologies pave a new way for constructing the pyridine skeleton.
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Affiliation(s)
- Chaolumen Bai
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
| | - Huifang Guo
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
| | - Xin Liu
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
| | - Dan Liu
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
| | - Zhaorigetu Sun
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010020, China
| | - Agula Bao
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
| | - Menghe Baiyin
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
| | - Tegshi Muschin
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
| | - Yong-Sheng Bao
- College of Chemistry and Environmental Science, Inner Mongolia Key Laboratory of Green Catalysis, Inner Mongolia Normal University, Hohhot 010022, China
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18
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Asressu K, Chan CK, Wang CC. One-Pot Synthesis of 1,5-Diketones under a Transition-Metal-Free Condition: Application in the Synthesis of 2,4,6-Triaryl Pyridine Derivatives. ACS OMEGA 2021; 6:7296-7311. [PMID: 33778244 PMCID: PMC7992091 DOI: 10.1021/acsomega.0c05328] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
We developed a facile and green one-pot synthetic method for substituted 1,3,5-triaryl-1,5-diketones by Claisen-Schmidt condensation following Michael addition reaction of aryl ketones and aryl aldehydes under a transition-metal-free condition. This convenient one-pot synthetic strategy has several advantages, including being transition-metal-free, having no extra additives or reagents, having a broad substrate scope, having a high isolated yield, having a minimum amount of base employment, having a shorter reaction time, use of cheap starting materials, cost-effectiveness, and being environment friendly. Some of the chemical structures of 1,5-diketones were confirmed by X-ray single-crystal diffraction analysis. The application of 1,5-diketones was demonstrated in the preparation of 2,4,6-triaryl pyridine derivatives under a catalyst-free system using ammonium acetate as a nitrogen source.
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Affiliation(s)
| | - Chieh-Kai Chan
- Institute of Chemistry, Academia
Sinica, Taipei 115, Taiwan
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19
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Gebre SH. Recent developments in the fabrication of magnetic nanoparticles for the synthesis of trisubstituted pyridines and imidazoles: A green approach. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1900257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Shushay Hagos Gebre
- Department of Chemistry, College of Natural and Computational Science, Jigjiga University, Jigjiga, Ethiopia
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20
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Firoozi S, Hosseini‐Sarvari M. Visible‐Light‐Induced C‐P‐Bond Formation Using Reduced Graphene Oxide Decorated with Copper Oxide/Zinc Oxide (rGO/CuO/ZnO) as Ternary Recyclable Nanophotocatalyst. ChemistrySelect 2021. [DOI: 10.1002/slct.202004411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Somayeh Firoozi
- Nano Photocatalysis Lab Department of Chemistry Institution: Shiraz University Address Shiraz 7194684795 I.R. Iran
| | - Mona Hosseini‐Sarvari
- Nano Photocatalysis Lab Department of Chemistry Institution: Shiraz University Address Shiraz 7194684795 I.R. Iran
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21
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Bobo MV, Kuchta JJ, Vannucci AK. Recent advancements in the development of molecular organic photocatalysts. Org Biomol Chem 2021; 19:4816-4834. [PMID: 34008685 DOI: 10.1039/d1ob00396h] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Research in the development of molecular organic photocatalysts for applications in chemical syntheses has burgeoned in recent years. While organic photosensitizers have been known for over a century, tuning the properties of these molecules to increase photocatalytic efficiencies is now of growing importance. The properties that help improve the performance of organic photocatalysts include: a wider range of redox potentials, increased molar absorptivity (ε) in the visible spectrum, increased quantum yields (Φ), long-lived excited-state lifetimes (ns to μs), and increased chemical stability. This review examines some of the recent advancements in the development of molecular organic photocatalysts, specifically cyanoarenes, acridinium dyes, phenazines, thiazines, oxazines, and xanthenes, with respect to these properties and examines the chemical synthesis routes now achieved by organic photocatalysts.
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Affiliation(s)
- M Victoria Bobo
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA.
| | - Joseph J Kuchta
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA.
| | - Aaron K Vannucci
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA.
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22
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Chang D, Chen J, Liu Y, Huang H, Qin A, Deng GJ. Metal-Free Synthesis and Photophysical Properties of 1,2,4-Triarylpyrroles. J Org Chem 2020; 86:110-127. [DOI: 10.1021/acs.joc.0c01788] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dan Chang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Jinjin Chen
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Yong Liu
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
| | - Huawen Huang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
| | - Anjun Qin
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
| | - Guo-Jun Deng
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
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23
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Singh H, Kamal A, Kumari S, Kumar D, Maury SK, Srivastava V, Singh S. Eosin Y-Catalyzed Synthesis of 3-Aminoimidazo[1,2- a]Pyridines via the HAT Process under Visible Light through Formation of the C-N Bond. ACS OMEGA 2020; 5:29854-29863. [PMID: 33251420 PMCID: PMC7689671 DOI: 10.1021/acsomega.0c03941] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 10/27/2020] [Indexed: 06/12/2023]
Abstract
A comfortable, environment-friendly, and metal-free approach for synthesizing the biologically important moiety aminoimidazopyridine through the multicomponent reaction of benzylamine, 2-aminopyridine, and t-butyl isocyanide under visible light using eosin Y as a photocatalyst has been developed. Inexpensive, nontoxic, the effortless accessibility of starting materials, and nonparticipation of particular glassware and a photoreactor system are important qualities of the current approach. Strangely, the mild conditions, environment-friendly, and enumerating tolerance of an extensive range of both electron-donating and electron-withdrawing groups are additional features of the approach.
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Affiliation(s)
- Himanshu
Kumar Singh
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Arsala Kamal
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Savita Kumari
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Dhirendra Kumar
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Suresh Kumar Maury
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Vandana Srivastava
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Sundaram Singh
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
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24
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Bobo MV, Arcidiacono AM, Ayare PJ, Reed JC, Helton MR, Ngo T, Hanson K, Vannucci AK. A Series of Green Light Absorbing Organic Photosensitizers Capable of Oxidative Quenching Photocatalysis. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000153] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- M. Victoria Bobo
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Ashley M. Arcidiacono
- Department of Chemistry & Biochemistry Florida State University Tallahassee FL 32306 USA
| | - Pooja J. Ayare
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Jordan C. Reed
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Maizie R. Helton
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Thi Ngo
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
| | - Kenneth Hanson
- Department of Chemistry & Biochemistry Florida State University Tallahassee FL 32306 USA
| | - Aaron K. Vannucci
- Department of Chemistry and Biochemistry University of South Carolina Columbia SC 29208 USA
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25
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Jain A, Ameta C. Novel Way to Harness Solar Energy: Photo-Redox Catalysis in Organic Synthesis. KINETICS AND CATALYSIS 2020. [DOI: 10.1134/s002315842002007x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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26
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Mandal D, Gupta R, Jaiswal AK, Young RD. Frustrated Lewis-Pair-Meditated Selective Single Fluoride Substitution in Trifluoromethyl Groups. J Am Chem Soc 2020; 142:2572-2578. [DOI: 10.1021/jacs.9b12167] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Dipendu Mandal
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Richa Gupta
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Amit K. Jaiswal
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Rowan D. Young
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
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27
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Guin S, Gudimella SK, Samanta S. 1,6-Addition of vinyl p-quinone methides with cyclic sulfamidate imines: access to 4-hydroxyaryl-2,6-diarylpyridines. Org Biomol Chem 2020; 18:1337-1342. [DOI: 10.1039/c9ob02708d] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A base-promoted 1,6-addition–cyclization reaction of vinyl para-quinone methides with cyclic sulfamidate imines in an open atmosphere is reported. This method delivers good to high yields of 2,4,6-trisubstituted pyridines with a valuable phenolic moiety at the C4-position.
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Affiliation(s)
- Soumitra Guin
- Indian Institute of Technology Indore
- Discipline of Chemistry
- Indore 453552
- India
| | | | - Sampak Samanta
- Indian Institute of Technology Indore
- Discipline of Chemistry
- Indore 453552
- India
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28
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Sharma AK, Jaiswal A, Mishra A, Tiwari J, Jaiswal D, Singh S, Singh J, Singh J. Visible-light-induced radical cascade cyclization of pyrazoles bearing a coumarin unit. NEW J CHEM 2020. [DOI: 10.1039/d0nj02714f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A visible light facilitated protocol for the synthesis of pyrazoles and their derivatives bearing a coumarin unit in the presence of Eosin Y.
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Affiliation(s)
- Amit Kumar Sharma
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Anjali Jaiswal
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Anu Mishra
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Jyoti Tiwari
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Deepali Jaiswal
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Shailesh Singh
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
| | - Jaya Singh
- Department of Chemistry
- LRPG College
- Ghaziabad-201005
- India
| | - Jagdamba Singh
- Environmentally Benign Synthesis Lab
- Department of Chemistry
- University of Allahabad
- Allahabad-211002
- India
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29
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Bag D, Kour H, Sawant SD. Photo-induced 1,2-carbohalofunctionalization of C–C multiple bonds via ATRA pathway. Org Biomol Chem 2020; 18:8278-8293. [PMID: 33006347 DOI: 10.1039/d0ob01454k] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Carbohalofunctionalization of C–C multiple bonds via atom transfer radical processes constitutes an efficient method for the construction of halogenated building blocks with complete atom economy. This review summarizes the recent advancements.
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Affiliation(s)
- Debojyoti Bag
- Medicinal Chemistry Division
- CSIR-Indian Institute of Integrative Medicine
- Jammu
- India
| | - Harpreet Kour
- Medicinal Chemistry Division
- CSIR-Indian Institute of Integrative Medicine
- Jammu
- India
| | - Sanghapal D. Sawant
- Medicinal Chemistry Division
- CSIR-Indian Institute of Integrative Medicine
- Jammu
- India
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30
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Ghosh S, Jana CK. Metal free biomimetic deaminative direct C-C coupling of unprotected primary amines with active methylene compounds. Org Biomol Chem 2019; 17:10153-10157. [PMID: 31774427 DOI: 10.1039/c9ob02163a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An unprecedented direct C-C coupling reaction of unprotected primary amines with active methylene compounds is reported. The reaction involves a biomimetic deamination of amines which was achieved under conditions free of metallic reagents and strong oxidizing agents. A wide range of primary amines was reacted with different active methylene compounds to provide structurally diverse trisubstituted alkenes and dihydropyridines. A kinetic study revealed an activation barrier of 10.1 kcal mol-1 for the conversion of a key intermediate of the reaction.
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Affiliation(s)
- Santanu Ghosh
- Department of Chemistry, Indian Institute of Technology Guwahati, 780139, India.
| | - Chandan K Jana
- Department of Chemistry, Indian Institute of Technology Guwahati, 780139, India.
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31
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An efficient method for the synthesis of new derivatives of 2,4,6-triarylpyridines as cytotoxic agents. RESEARCH ON CHEMICAL INTERMEDIATES 2019. [DOI: 10.1007/s11164-019-04025-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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32
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Gajaganti S, Kumar D, Singh S, Srivastava V, Allam BK. A New Avenue to the Synthesis of Symmetrically Substituted Pyridines Catalyzed by Magnetic Nano–Fe
3
O
4
: Methyl Arenes as Sustainable Surrogates of Aryl Aldehydes. ChemistrySelect 2019. [DOI: 10.1002/slct.201900289] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Somaiah Gajaganti
- Department of ChemistryIndian Institute of Technology (BHU) Varanasi 221 005, Uttar Pradesh India
| | - Dhirendra Kumar
- Department of ChemistryIndian Institute of Technology (BHU) Varanasi 221 005, Uttar Pradesh India
| | - Sundaram Singh
- Department of ChemistryIndian Institute of Technology (BHU) Varanasi 221 005, Uttar Pradesh India
| | - Vandana Srivastava
- Department of ChemistryIndian Institute of Technology (BHU) Varanasi 221 005, Uttar Pradesh India
| | - Bharat Kumar Allam
- Department of ChemistryIndian Institute of Technology (BHU) Varanasi 221 005, Uttar Pradesh India
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33
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Wang H, Zhao W, Du J, Wei F, Chen Q, Wang X. Cationic organotin cluster [
t
‐Bu
2
Sn(OH)(H
2
O)]
2
2+
2OTf
−
‐catalyzed one‐pot three‐component syntheses of 5‐substituted 1
H
‐tetrazoles and 2,4,6‐triarylpyridines in water. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hongshe Wang
- College of Chemistry and Chemical EngineeringBaoji University of Arts and Sciences Baoji 721013 China
| | - Weixing Zhao
- College of Chemistry and Chemical EngineeringBaoji University of Arts and Sciences Baoji 721013 China
| | - Juan Du
- College of Chemistry and Chemical EngineeringBaoji University of Arts and Sciences Baoji 721013 China
| | - Fenyan Wei
- College of Chemistry and Chemical EngineeringBaoji University of Arts and Sciences Baoji 721013 China
| | - Qi Chen
- College of Chemistry and Chemical EngineeringBaoji University of Arts and Sciences Baoji 721013 China
| | - Xiaomei Wang
- College of Chemistry and Chemical EngineeringBaoji University of Arts and Sciences Baoji 721013 China
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34
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Dong CP, Kodama S, Nomoto A, Ueshima M, Ogawa A. 4,6-Dihydroxysalicylic Acid-Catalyzed Oxidative Condensation of Benzylic Amines and Aromatic Ketones for the Preparation of 2,4,6-Trisubstituted Pyridines and Its Application to Metal-Free Synthesis of G-Quadruplex Binding Ligands. ACS OMEGA 2019; 4:9029-9040. [PMID: 31459991 PMCID: PMC6648211 DOI: 10.1021/acsomega.9b00999] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 05/08/2019] [Indexed: 05/08/2023]
Abstract
4,6-Dihydroxysalicylic acid was activated under air to catalyze the one-pot oxidative condensation reaction of benzylamines with acetophenones in the presence of BF3·Et2O, affording 2,4,6-trisubstituted pyridines in yields of 59-91%. During this metal-free oxidative condensation reaction, the benzylamines not only provided the aryl moiety at the 4-position of the pyridines but also acted as the nitrogen donor. This method can be applied to the metal-free synthesis of G-quadruplex binding ligands by the sequential addition of 4-chlorobutyryl chloride and pyrrolidine to the reaction system of the 2,4,6-trisubstituted pyridine synthesis.
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35
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Alishahi N, Mohammadpoor‐Baltork I, Tangestaninejad S, Mirkhani V, Moghadam M, Kia R. Calixarene Based Ionic Liquid as an Efficient and Reusable Catalyst for One‐Pot Multicomponent Synthesis of Polysubstituted Pyridines and Bis‐pyridines. ChemistrySelect 2019. [DOI: 10.1002/slct.201900902] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Nasrin Alishahi
- Department of ChemistryCatalysis DivisionUniversity of Isfahan Isfahan 81746–73441 Iran
| | | | | | - Valiollah Mirkhani
- Department of ChemistryCatalysis DivisionUniversity of Isfahan Isfahan 81746–73441 Iran
| | - Majid Moghadam
- Department of ChemistryCatalysis DivisionUniversity of Isfahan Isfahan 81746–73441 Iran
| | - Reza Kia
- Chemistry DepartmentSharif University of Technology P.O. Box 11155–3516 Tehran Iran
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36
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Unkel L, Malcherek S, Schendera E, Hoffmann F, Rehbein J, Brasholz M. Photoorganocatalytic Aerobic Oxidative Amine Dehydrogenation/Super Acid‐Mediated Pictet‐Spengler Cyclization: Synthesis of
cis
‐1,3‐Diaryl Tetrahydroisoquinolines. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900165] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Lisa‐Natascha Unkel
- University of RostockInstitute of Chemistry Albert-Einstein-Str. 3 A 18059 Rostock Germany
| | - Simon Malcherek
- University of RegensburgInstitute of Organic Chemistry Universitätsstr. 31 93053 Regensburg Germany
| | - Eva Schendera
- University of RostockInstitute of Chemistry Albert-Einstein-Str. 3 A 18059 Rostock Germany
| | - Frank Hoffmann
- University of Hamburg, Department of ChemistryInstitute of Inorganic Chemistry Martin-Luther-King-Platz 6 20146 Hamburg Germany
| | - Julia Rehbein
- University of RegensburgInstitute of Organic Chemistry Universitätsstr. 31 93053 Regensburg Germany
| | - Malte Brasholz
- University of RostockInstitute of Chemistry Albert-Einstein-Str. 3 A 18059 Rostock Germany
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37
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Ansari MA, Yadav D, Soni S, Srivastava A, Singh MS. Visible-Light-Mediated Synthesis of 1,2,4-Dithiazolidines from β-Ketothioamides through a Hydrogen-Atom-Transfer Photocatalytic Approach of Eosin Y. J Org Chem 2019; 84:5404-5412. [DOI: 10.1021/acs.joc.9b00406] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Monish A. Ansari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Dhananjay Yadav
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Sonam Soni
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Abhijeet Srivastava
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Maya Shankar Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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38
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Doan SH, Tran NKQ, Pham PH, Nguyen VHH, Nguyen NN, Ha PTM, Li S, Le HV, Le NTH, Tu TN, Phan NTS. A New Synthetic Pathway to Triphenylpyridines via Cascade Reactions Utilizing a New Iron-Organic Framework as a Recyclable Heterogeneous Catalyst. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900094] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Son H. Doan
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
| | - Nhu K. Q. Tran
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
| | - Phuc H. Pham
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
| | - Vu H. H. Nguyen
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
| | - Ngoc N. Nguyen
- VNU-HCM; VNU-HCM; Center for Innovative Materials and Architectures; Quarter 6, Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Phuong T. M. Ha
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
| | - Shuang Li
- Institute of ChemistryFunctional Materials; VNU-HCM; Technische Universität Berlin, BA2; Hardenbergstraße 40 10623 Berlin Germany
| | - Ha V. Le
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
- Institute of ChemistryFunctional Materials; VNU-HCM; Technische Universität Berlin, BA2; Hardenbergstraße 40 10623 Berlin Germany
| | - Nhan T. H. Le
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
| | - Thach N. Tu
- VNU-HCM; VNU-HCM; Center for Innovative Materials and Architectures; Quarter 6, Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Nam T. S. Phan
- Faculty of Chemical Engineering; VNU-HCM; HCMC University of Technology; 268 Ly Thuong Kiet District 10 Ho Chi Minh City Vietnam
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39
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Wang H, Zhao W, Du J, Wei F, Chen Q, Wang X. Retracted Article: An efficient one pot three-component synthesis of 2,4,6-triarylpyridines using triflimide as a metal-free catalyst under solvent-free conditions. RSC Adv 2019; 9:5158-5163. [PMID: 35514631 PMCID: PMC9060662 DOI: 10.1039/c9ra00653b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 02/06/2019] [Indexed: 11/22/2022] Open
Abstract
A simple and efficient protocol developed for one pot three-component synthesis of 2,4,6-triarylpyridines from aromatic aldehydes, substituted acetophenones and ammonium acetate using the versatile super Brønsted acid triflimide (HNTf2) as an effective catalyst is described. The reactions proceed well in the presence of 1 mol% of HNTf2 at 80 °C under solvent-free conditions and provide the corresponding triarylpyridines in good to excellent yields. The method reported has several advantages such as a metal-free and commercially available catalyst, mild reaction conditions and lower loading of catalyst. A simple and efficient protocol developed for one pot three-component synthesis of 2,4,6-triarylpyridines from aromatic aldehydes, substituted acetophenones and ammonium acetate using triflimide (HNTf2) as an effective catalyst is described.![]()
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Affiliation(s)
- Hongshe Wang
- College of Chemistry and Chemical Engineering
- Baoji University of Arts and Sciences
- Baoji 721013
- China
| | - Weixing Zhao
- College of Chemistry and Chemical Engineering
- Baoji University of Arts and Sciences
- Baoji 721013
- China
| | - Juan Du
- College of Chemistry and Chemical Engineering
- Baoji University of Arts and Sciences
- Baoji 721013
- China
| | - Fenyan Wei
- College of Chemistry and Chemical Engineering
- Baoji University of Arts and Sciences
- Baoji 721013
- China
| | - Qi Chen
- College of Chemistry and Chemical Engineering
- Baoji University of Arts and Sciences
- Baoji 721013
- China
| | - Xiaomei Wang
- College of Chemistry and Chemical Engineering
- Baoji University of Arts and Sciences
- Baoji 721013
- China
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40
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Uredi D, Motati DR, Watkins EB. A simple, tandem approach to the construction of pyridine derivatives under metal-free conditions: a one-step synthesis of the monoterpene natural product, (−)-actinidine. Chem Commun (Camb) 2019; 55:3270-3273. [DOI: 10.1039/c9cc01097a] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
(−)-Actinidine, along with various diversely substituted pyridines were synthesized from simple starting materials, including natural products, using a mild and metal-free method.
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Affiliation(s)
- Dilipkumar Uredi
- Department of Pharmaceutical Sciences, College of Pharmacy, Union University
- Jackson
- USA
| | - Damoder Reddy Motati
- Department of Pharmaceutical Sciences, College of Pharmacy, Union University
- Jackson
- USA
| | - E. Blake Watkins
- Department of Pharmaceutical Sciences, College of Pharmacy, Union University
- Jackson
- USA
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41
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Li R, Chen X, Wei S, Sun K, Fan L, Liu Y, Qu L, Zhao Y, Yu B. A Visible-Light-Promoted Metal-Free Strategy towards Arylphosphonates: Organic-Dye-Catalyzed Phosphorylation of Arylhydrazines with Trialkylphosphites. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801122] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rui Li
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
| | - Xiaolan Chen
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
- The Key Laboratory for Chemical Biology of Fujian Province; Xiamen University; Xiamen 361005 People's Republic of China
| | - Shengkai Wei
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
| | - Kai Sun
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
| | - Lulu Fan
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
| | - Yan Liu
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
- College of biological and pharmaceutical engineering; Xinyang Agriculture & Forestry University; Xinyang 464000 People's Republic of China
| | - Lingbo Qu
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
| | - Yufen Zhao
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
- The Key Laboratory for Chemical Biology of Fujian Province; Xiamen University; Xiamen 361005 People's Republic of China
| | - Bing Yu
- College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450001 People's Republic of China
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42
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Rasouli N. Application of a novel, efficient and recyclable photo redox catalyst (Zn-Al layered double hydroxide/eosin) for the synthesis of substituted pyridine derivatives under visible light irradiation. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4585] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Nahid Rasouli
- Department of Chemistry; Payame Noor University; PO Box 19395-3697 Tehran Iran
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43
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Ling F, Shen L, Pan Z, Fang L, Song D, Xie Z, Zhong W. B(C6F5)3-catalyzed oxidative deamination/cyclization cascade reaction of benzylamines and ketones for the synthesis of 2,4,6-triarylpyridines. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.08.060] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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44
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Tambe SD, Jadhav MS, Rohokale RS, Kshirsagar UA. Metal-Free Synthesis of 3-Thiocyanatobenzothiophenes by Eosin Y Photoredox-Catalyzed Cascade Radical Annulation of 2-Alkynylthioanisoles. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800833] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Shrikant D. Tambe
- Department of Chemistry; Savitribai Phule Pune University (Formerly: University of Pune); 411007 Pune India
| | - Mahesh S. Jadhav
- Department of Chemistry; Savitribai Phule Pune University (Formerly: University of Pune); 411007 Pune India
| | - Rajendra S. Rohokale
- Department of Chemistry; Savitribai Phule Pune University (Formerly: University of Pune); 411007 Pune India
- Division of Organic Chemistry; CSIR-National Chemical Laboratory; Dr. Homi Bhabha Road 411008 Pune - India
| | - Umesh A. Kshirsagar
- Department of Chemistry; Savitribai Phule Pune University (Formerly: University of Pune); 411007 Pune India
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45
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Gopalaiah K, Rao DC, Mahiya K, Tiwari A. Iron-Catalyzed Aerobic Oxidative Cleavage and Construction of C−N Bonds: A Facile Method for Synthesis of 2,4,6-Trisubstituted Pyridines. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800312] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Kovuru Gopalaiah
- Organic Synthesis and Catalysis Laboratory; Department of Chemistry; University of Delhi; Delhi 110007 India
| | - Devarapalli Chenna Rao
- Organic Synthesis and Catalysis Laboratory; Department of Chemistry; University of Delhi; Delhi 110007 India
| | - Kuldeep Mahiya
- Organic Synthesis and Catalysis Laboratory; Department of Chemistry; University of Delhi; Delhi 110007 India
| | - Ankit Tiwari
- Organic Synthesis and Catalysis Laboratory; Department of Chemistry; University of Delhi; Delhi 110007 India
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46
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Wan Y, Ma JQ, Hong C, Li MC, Jin LQ, Hu XQ, Hu BX, Mo WM, Sun N, Shen ZL. Direct synthesis of imines by 9-azabicyclo-[3,3,1]nonan-N-oxyl/KOH-catalyzed aerobic oxidative coupling of alcohols and amines. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.10.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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47
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Metal and acid-free visible light-mediated Friedel-Crafts alkylation reactions of indole with anilines. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.06.046] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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48
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Liu J, Zhao S, Yan X, Wang Z, Zhang Y, Zhao P, Fang W, Zhuo K, Yue Y. Dual Roles of α,β-Unsaturated Oximes in Copper Catalyzed [3+3] Cyclization: Construction of 2,4,6-Trisubstituted Pyridines. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800318] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jianming Liu
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Shufang Zhao
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Xuyang Yan
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Zhixian Wang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Yanyan Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Peizheng Zhao
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Wenhan Fang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Kelei Zhuo
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
| | - Yuanyuan Yue
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals; Henan Normal University; Xinxiang, Henan 453007 China
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49
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Liu J, Yan X, Yue Y, Zhao S, Zhang J, Sun Y, Zhuo K. CO
2
‐Promoted C=N Bond Cleavage of Amidines Leading to Multi‐Substituted Pyridines. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800401] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jianming Liu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of Education, School of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan 453007 People's Republic of China
| | - Xuyang Yan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of Education, School of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan 453007 People's Republic of China
| | - Yuanyuan Yue
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of Education, School of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan 453007 People's Republic of China
| | - Shufang Zhao
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of Education, School of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan 453007 People's Republic of China
| | - Jia Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of Education, School of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan 453007 People's Republic of China
| | - Yangyang Sun
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of Education, School of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan 453007 People's Republic of China
| | - Kelei Zhuo
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine ChemicalsKey Laboratory of Green Chemical Media and ReactionsMinistry of Education, School of Chemistry and Chemical EngineeringHenan Normal University Xinxiang Henan 453007 People's Republic of China
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50
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Gadekar SP, Lande MK. Solid acid catalyst TS-1 zeolite-assisted solvent-free one-pot synthesis of poly-substituted 2,4,6-triaryl-pyridines. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3305-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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