1
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Murugesh V, Singh SP. Harnessing light without photocatalysts: advances in photocatalyst-free C-N bond formation. Chem Commun (Camb) 2025; 61:5899-5916. [PMID: 40145349 DOI: 10.1039/d5cc00420a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2025]
Abstract
The present feature article focuses on recent developments in the realm of photocatalyst-free C-N bond formations, highlighting the innovative approaches that leverage light without relying on traditional photocatalysts. Exploring alternative methodologies underscores the advancements in synthetic strategies, enabling efficient and sustainable C-N bond formation reactions. The abstracted review emphasizes the significant progress made in this field, shedding light on the potential for novel and environmentally friendly pathways for chemical synthesis.
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Affiliation(s)
- V Murugesh
- Department of Polymers & Functional Materials, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India.
| | - Surya Prakash Singh
- Department of Polymers & Functional Materials, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India.
- Academy of Scientific and Innovative Research (AcSIR), Kamla Nehru Nagar, Ghaziabad, Uttar Pradesh 201 002, India
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2
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Han W, Ren YY, Tang MY, Ji YF, Ge D, Ma M, Shen ZL, Chu XQ. Combining (CH 2O) n and (NH 4) 2CO 3 as a Formamidine Equivalent for "Four-in-One" Synthesis of Fluoroalkylated 2- H-Pyrimidines. Org Lett 2024; 26:7078-7082. [PMID: 39119970 DOI: 10.1021/acs.orglett.4c02785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
Multicomponent reactions hold the potential to maximize the synthetic efficiency in the preparation of diverse and complex molecular scaffolds. An unprecedented formal [3+1+1+1] annulation approach for the one-step synthesis of fluoroalkylated 2-H-pyrimidines commencing from perfluoroalkyl alkenes, paraformaldehyde, and ammonium carbonate is described. By harnessing readily accessible (CH2O)n and cheap (NH4)2CO3 as a formamidine surrogate, this method effectively replaces traditionally preformed amidines with a pyrimidine assembly. The multicomponent reaction proceeds in a step-economical, operationally simple, metal-free, and additive-free manner, featuring a broad substrate scope, excellent functional group compatibility, and scalability. The potential for the synthetic elaboration of the obtained 2-H-pyrimidine is further demonstrated in the alkylation and vinylation of its C2 position.
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Affiliation(s)
- Wei Han
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yuan-Yuan Ren
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ming-Yao Tang
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yi-Fan Ji
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Danhua Ge
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Mengtao Ma
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Zhi-Liang Shen
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xue-Qiang Chu
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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3
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Yang ZX, Ding LC, Yang GH, Wang D, Shi L, Li Y, Liang D. Electrochemical Sulfonylation/Cyclization of N-Alkenylacrylamides with Sodium Sulfinates or Sulfonyl Hydrazides. J Org Chem 2024; 89:10660-10677. [PMID: 39024340 DOI: 10.1021/acs.joc.4c00892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Two general protocols for the regioselective electrochemically enabled sulfonylation cyclization of N-alkenylacrylamides with sodium sulfinates or sulfonyl hydrazides were described. These methods were carried out under mild, chemical oxidant-free, and transition-metal-free conditions with a broad substrate scope and good functional group tolerance to provide sulfonyl-containing 4-pyrrolin-2-ones, which is readily scalable to the gram scale.
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Affiliation(s)
- Zhi-Xian Yang
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
| | - Lu-Cai Ding
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
| | - Gui-Hong Yang
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
| | - Dongyin Wang
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
| | - Lou Shi
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
| | - Yanni Li
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
| | - Deqiang Liang
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
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4
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Liu C, Huo Y, Bu J, Yuan Z, Liang K, Xia C. Visible Light-Induced Oxy-perfluoroalkylation of Olefins via Ternary Electron Donor-Acceptor Complexes. J Org Chem 2024; 89:10805-10815. [PMID: 39008713 DOI: 10.1021/acs.joc.4c01061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Perfluoroalkyl iodides generally formed electron donor-acceptor (EDA) complexes by halogen bonding with a nitrogen atom containing Lewis bases. Since the electronegativity of the oxygen atom is stronger than that of the nitrogen atom, the resulting Rf-I···O-type halogen bonding EDA complex is less inclined to undergo electron transfer. Here, we reported rare ternary EDA complexes among perfluoroalkyl iodide, oxygen atom, and base. Mechanism experiments and density functional theory theoretical (DFT) calculations indicated that a base-promoted proton-coupled electron transfer (PCET) process was involved in this photochemical reaction. The intracomplex electron transfer event generated two radical species, perfluoroalkyl radical and TEMPO radical, enabling the subsequent oxy-perfluoroalkylation of olefins.
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Affiliation(s)
- Chuanwang Liu
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development of Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, China
| | - Yanman Huo
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development of Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, China
| | - Jiawei Bu
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development of Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, China
| | - Zhaoran Yuan
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development of Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, China
| | - Kangjiang Liang
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development of Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, China
| | - Chengfeng Xia
- Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Key Laboratory of Research and Development of Natural Products, School of Pharmacy, Yunnan University, Kunming 650500, China
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5
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Ji WJ, Han W, Ren YY, Ma M, Shen ZL, Chu XQ. Silver-Promoted Three-Component Synthesis of Perfluoroalkenyl Pyrroles through Partial Defluorinative Functionalization of Perfluoroalkyl Halides. Org Lett 2024; 26:6197-6202. [PMID: 39004858 DOI: 10.1021/acs.orglett.4c02084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
A silver-promoted three-component heterocyclization of alkynes, perfluoroalkyl halides, and 1,3-dinucleophiles was developed for the efficient synthesis of privileged (E)-perfluoroalkenyl pyrroles. The reaction proceeded through a rationally designed sequence of radical perfluoroalkylation and intramolecular defluorinative [3 + 2]-heterocyclization. The utility of perfluoroalkyl halide as a perfluoroalkenyl reagent, by selective and controllable functionalization of two inert C(sp3)-F bonds at vicinal carbon centers on the perfluoroalkyl chain, provides a new reaction mode for the synthesis of value-added organofluorides starting from the easily available and low-cost fluorinated feedstock.
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Affiliation(s)
- Wen-Jun Ji
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, People's Republic of China
| | - Wei Han
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, People's Republic of China
| | - Yuan-Yuan Ren
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, People's Republic of China
| | - Mengtao Ma
- Department of Chemistry and Materials Science, College of Science, Nanjing Forestry University, Nanjing, Jiangsu 210037, People's Republic of China
| | - Zhi-Liang Shen
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, People's Republic of China
| | - Xue-Qiang Chu
- Technical Institute of Fluorochemistry, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, People's Republic of China
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6
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Zhang Y, Liu Y, Zhang Y, Zhu Y, Zhou N, Zhao X, Lu K. Photochemical Difluoromethylation of Quinoxalin-2(1 H)-ones with Difluoroacetic Anhydride and Pyridine N-Oxide. J Org Chem 2023. [PMID: 38154054 DOI: 10.1021/acs.joc.3c02357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
A novel photochemical difluoromethylation of quinoxalin-2(1H)-ones under catalyst-free conditions was achieved with difluoroacetic anhydride and pyridine N-oxide. The green and mild reaction conditions as well as readily attainable difluoroacetic anhydride provide a useful protocol to prepare C3-difluoromethylated quinoxalin-2(1H)-ones.
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Affiliation(s)
- Ying Zhang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, TianJin University of Science &Technology, TianJin 300457, China
| | - Yu Liu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, TianJin University of Science &Technology, TianJin 300457, China
| | - Yi Zhang
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, TianJin University of Science &Technology, TianJin 300457, China
| | - Yaqing Zhu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, TianJin University of Science &Technology, TianJin 300457, China
| | - Ningning Zhou
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, TianJin University of Science &Technology, TianJin 300457, China
| | - Xia Zhao
- College of Chemistry, TianJin Key Laboratory of Structure and Performance for Functional Molecules, TianJin Normal University, TianJin 300387, China
| | - Kui Lu
- China International Science and Technology Cooperation Base of Food Nutrition/Safety and Medicinal Chemistry, College of Biotechnology, TianJin University of Science &Technology, TianJin 300457, China
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7
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Liu Q, Liu M, Wang W. Recent progress of the synthesis methods of homo-trisubstituted pyrimidines compounds. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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8
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Piedra HF, Valdés C, Plaza M. Shining light on halogen-bonding complexes: a catalyst-free activation mode of carbon-halogen bonds for the generation of carbon-centered radicals. Chem Sci 2023; 14:5545-5568. [PMID: 37265729 PMCID: PMC10231334 DOI: 10.1039/d3sc01724a] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/03/2023] [Indexed: 06/03/2023] Open
Abstract
The discovery of new activation modes for the creation of carbon-centered radicals is a task of great interest in organic chemistry. Classical activation modes for the generation of highly reactive radical carbon-centered intermediates typically relied on thermal activation of radical initiators or irradiation with unsafe energetic UV light of adequate reaction precursors. In recent years, photoredox chemistry has emerged as a leading strategy towards the catalytic generation of C-centered radicals, which enabled their participation in novel synthetic organic transformations which is otherwise very challenging or even impossible to take place. As an alternative to these activation modes for the generation of C-centered radicals, the pursuit of greener, visible-light initiated reactions that do not necessitate a photoredox/metal catalyst has recently caught the attention of chemists. In this review, we covered recent transformations, which rely on photoactivation with low-energy light of a class of EDA complexes, known as halogen-bonding adducts, for the creation of C-centered radicals.
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Affiliation(s)
- Helena F Piedra
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica "Enrique Moles" and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Oviedo Julián Clavería 8 33006 Oviedo Spain
| | - Carlos Valdés
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica "Enrique Moles" and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Oviedo Julián Clavería 8 33006 Oviedo Spain
| | - Manuel Plaza
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica "Enrique Moles" and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Oviedo Julián Clavería 8 33006 Oviedo Spain
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9
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Laru S, Bhattacharjee S, Hajra A. Visible-light-induced Mn(0)-catalyzed direct C-3 mono-, di- and perfluoroalkylation reactions of 2 H-indazoles. Chem Commun (Camb) 2022; 58:13604-13607. [PMID: 36398865 DOI: 10.1039/d2cc05021h] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
A general and efficient method for visible-light-driven fluoroalkylation, such as difluoromethylphosphonation, difluoroacetamidation, monofluoromethylation, difluoromethylation, and perfluoroalkyalation, of 2H-indazoles using an inexpensive Mn2(CO)10 photocatalyst has been developed. The present methodology affords a new series of C-3 fluoroalkylated 2H-indazole derivatives with wide functional group tolerance in good to excellent yields. Difluoromethylenated indiazoles are also prepared from difluoroester derivatives. Our mechanistic investigations support a radical pathway for the reaction.
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Affiliation(s)
- Sudip Laru
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, West Bengal, India.
| | - Suvam Bhattacharjee
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, West Bengal, India.
| | - Alakananda Hajra
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, West Bengal, India.
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10
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Wang Y, Yan L, Zhang X, Xiang F, Li X, Li S, Song X. Tandem [3 + 1 + 1 + 1] Heterocyclization of α‐Acyl Ketene Dithioacetals with Ammonia and Methanol: Rapid Assembly of Polysubstituted Pyrimidines. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Youkun Wang
- Hebei University of Technology School of Chemical Engineering and Technology 300401 Tianjin CHINA
| | - Linlin Yan
- Hebei Chemical and Pharmaceutical College Department of Pharmaceutical Engineering 88 Fangxing Road 050026 Shijiazhuang CHINA
| | - Xiaoxuan Zhang
- Hebei University of Technology School of Chemical Engineering and Technology 300401 Tianjin CHINA
| | - Fengrui Xiang
- Hebei University of Technology School of Chemical Engineering and Technology 300401 Tianjin CHINA
| | - Xiaojun Li
- Hebei University of Technology School of Chemical Engineering and Technology 300401 Tianjin CHINA
| | - Shengnan Li
- Hebei University of Technology School of Chemical Engineering and Technology 300401 Tianjin CHINA
| | - Xiaoning Song
- Hebei University of Technology School of Chemical Engineering and Technology 300401 Tianjin CHINA
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11
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Wang R, Xie KJ, Fu Q, Wu M, Pan GF, Lou DW, Liang FS. Transformation of Thioacids into Carboxylic Acids via a Visible-Light-Promoted Atomic Substitution Process. Org Lett 2022; 24:2020-2024. [PMID: 35263540 DOI: 10.1021/acs.orglett.2c00481] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A visible-light-promoted atomic substitution reaction for transforming thiocacids into carboxylic acids with dimethyl sulfoxide (DMSO) as the oxygen source has been developed, affording various alkyl and aryl carboxylic acids in over 90% yields. The atomic substitution process proceeds smoothly through the photochemical reactivity of the formed hydrogen-bonding adduct between thioacids and DMSO. A DMSO-involved proton-coupled electron transfer (PCET) and the simultaneous generation of thiyl and hydroxyl radicals are proposed to be key steps for realizing the transformation.
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Affiliation(s)
- Rui Wang
- School of Petrochemical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
| | - Kai-Jun Xie
- School of Petrochemical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
| | - Qiang Fu
- School of Petrochemical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
| | - Min Wu
- School of Petrochemical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
| | - Gao-Feng Pan
- School of Petrochemical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
| | - Da-Wei Lou
- School of Petrochemical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
| | - Fu-Shun Liang
- College of Chemistry, Liaoning University, Shenyang 110036, China
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12
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Ma Y, Lv L, Li Z. β-Perfluoroalkyl Peroxides as Fluorinated C3-Building Blocks for the Construction of Benzo[4,5]imidazo[1,2- a]pyridines. J Org Chem 2022; 87:1564-1573. [PMID: 34989560 DOI: 10.1021/acs.joc.1c02589] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An efficient and selective protocol for the synthesis of perfluoroalkyl-group-substituted benzo[4,5]imidazo[1,2-a]pyridines has been developed in which β-perfluoroalkyl peroxides act as novel fluorinated C3-building blocks to implement regioselective [3 + 3] annulation with 2-cyanomethyl benzimidazole under metal-free conditions. The application of the synthesized perfluoroalkylated BIPs as potent anticancer reagents versus the nonfluorinated ones demonstrated the biological utility of this method.
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Affiliation(s)
- Yangyang Ma
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, P. R. China
| | - Leiyang Lv
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, P. R. China
| | - Zhiping Li
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, P. R. China
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13
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Ge D, Chu XQ. Multiple-fold C–F bond functionalization for the synthesis of (hetero)cyclic compounds: fluorine as a detachable chemical handle. Org Chem Front 2022. [DOI: 10.1039/d1qo01749g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We highlighted the recent advances in the field of multiple-fold C–F bond functionalization for the synthesis of (hetero)cyclic compounds.
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Affiliation(s)
- Danhua Ge
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Xue-Qiang Chu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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14
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Zheng L, Tao K, Zhuo X, Xie Z, Liu G, Deng L, Mei W, Zou X, Zhong Y, Wu Y, Guo W. Photocatalytic Three‐Component Tandem Annulation Access to Multiply Substituted 1,2,4‐Triazole‐3,5‐diamines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100444] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lvyin Zheng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Kailiang Tao
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Xiaoya Zhuo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Zhen Xie
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Gongping Liu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Ling Deng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Weijie Mei
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Xiaoying Zou
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Yumei Zhong
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Yongquan Wu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Wei Guo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
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15
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Chen B, He H, Xu J, Guo K, Xu N, Chen K, Zhu Y. Transition‐Metal‐Free Visible Light‐Induced Imino‐trifluoromethylation of Unsaturated Oxime Esters: A Facile Access to CF
3
‐Tethered Pyrrolines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bin Chen
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Han He
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Jiawei Xu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Kang Guo
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Ning Xu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Kang Chen
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
| | - Yingguang Zhu
- Jiangsu Key Laboratory of Pesticide Science and Department of Chemistry College of Sciences Nanjing Agricultural University Nanjing 210095 P. R. China
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16
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Castillo-Pazos DJ, Lasso JD, Li CJ. Modern methods for the synthesis of perfluoroalkylated aromatics. Org Biomol Chem 2021; 19:7116-7128. [PMID: 34346478 DOI: 10.1039/d1ob01122g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Perfluoroalkyl-containing substances (PFAS), have become omnipresent materials in the modern world for both commercial and research applications. Compounds such as perfluoroalkylated arenes and heteroarenes have found uses in surfactants, lubricants, and flame retardants as a result of their astonishing chemical stability. Consequently, the synthesis of such compounds encompasses a large body of scientific articles and patents developed in the previous century. Most recent reviews on this subject have thus focused on summarizing this traditional literature, and have thereby spurred the development of a new wave of reaction manifolds employing modern synthesis principles. This new generation of methodologies focuses on the greener synthesis of perfluoroalkylated aromatic scaffolds, through the use of more efficient organometallic reactions, as well as by photochemical and electrochemical strategies. Herein, we will summarize this cohort of reactions while highlighting current challenges and future desirable outcomes for their environmentally friendly synthesis.
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Affiliation(s)
- Durbis J Castillo-Pazos
- Department of Chemistry and FRQNT Centre for Green Chemistry and Catalysis, McGill University, 801 Sherbrooke Street West, Montreal, QC, H3A 0B8, Canada.
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17
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Guo W, Xie Z, Cai L, Liu G, Deng L, Mei W, Zou X, Zhong Y, Zhuo X, Zheng L, Fan X. Synthesis of Purine Analogues: Photocatalyst-Free Visible-Light-Enhanced Annulation Approach to Pyrazolo[1,5- a][1,3,5]triazine-2,4-diamines. J Org Chem 2021; 86:8365-8380. [PMID: 34097406 DOI: 10.1021/acs.joc.1c00783] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A new photocatalyst-free visible-light-enhanced strategy for the synthesis of pyrazolo[1,5-a][1,3,5]triazine-2,4-diamines via the formation of electron donor-acceptor (EDA) complexes is reported. The in situ generated pyrazolthiourea intermediates from 1H-pyrazol-3-amines and isothiocyanates undergo formal [4 + 2] annulation with 1,1,3,3-tetramethylguanidines (TMG) to deliver the corresponding products involved in three C-N bond formations in a one-pot protocol. The formation of EDA complex from pyrazolthiourea and TMG is confirmed by UV-vis spectroscopy and 1H NMR experiments. Moreover, this mild reaction proceeds in the absence of any external transition metals, oxidants, bases, and ligands. This efficient methodology for the synthesis of purine analogues pyrazolo[1,5-a][1,3,5]triazine-2,4-diamines provides potential synthetic applications in the field of drug research and development.
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Affiliation(s)
- Wei Guo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Zhen Xie
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Liuhuan Cai
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Gongping Liu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Ling Deng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Weijie Mei
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Xiaoying Zou
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Yumei Zhong
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Xiaoya Zhuo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Lvyin Zheng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Xiaolin Fan
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
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18
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Yang Z, Liu Y, Cao K, Zhang X, Jiang H, Li J. Synthetic reactions driven by electron-donor-acceptor (EDA) complexes. Beilstein J Org Chem 2021; 17:771-799. [PMID: 33889219 PMCID: PMC8042489 DOI: 10.3762/bjoc.17.67] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 03/03/2021] [Indexed: 01/14/2023] Open
Abstract
The reversible, weak ground-state aggregate formed by dipole-dipole interactions between an electron donor and an electron acceptor is referred to as an electron-donor-acceptor (EDA) complex. Generally, upon light irradiation, the EDA complex turns into the excited state, causing an electron transfer to give radicals and to initiate subsequent reactions. Besides light as an external energy source, reactions involving the participation of EDA complexes are mild, obviating transition metal catalysts or photosensitizers in the majority of cases and are in line with the theme of green chemistry. This review discusses the synthetic reactions concerned with EDA complexes as well as the mechanisms that have been shown over the past five years.
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Affiliation(s)
- Zhonglie Yang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Yutong Liu
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Kun Cao
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Xiaobin Zhang
- Irradiation Preservation Key Laboratory of Sichuan Province, Radiation Chemistry Department, Sichuan Institute of Atomic Energy, Chengdu 610100, China
| | - Hezhong Jiang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Jiahong Li
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
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19
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Zheng L, Cai L, Tao K, Xie Z, Lai Y, Guo W. Progress in Photoinduced Radical Reactions using Electron Donor‐Acceptor Complexes. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100009] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lvyin Zheng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Liuhuan Cai
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Kailiang Tao
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Zhen Xie
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
| | - Yin‐Long Lai
- College of Chemistry and Civil Engineering Shaoguan University Shaoguan 512005 P. R. China
| | - Wei Guo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province Gannan Normal University Ganzhou 341000 P. R. China
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20
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Preeti, Singh KN. Metal-free multicomponent reactions: a benign access to monocyclic six-membered N-heterocycles. Org Biomol Chem 2021; 19:2622-2657. [PMID: 33683272 DOI: 10.1039/d1ob00145k] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The advent of multicomponent reactions in the synthesis of heterocycles and their ever burgeoning applications in drug development, materials chemistry, and catalysis, have attracted a great deal of current scientific interest. In particular, the metal-free multicomponent synthesis of six membered N-heterocycles has undergone intensive research over the last two decades offering an environmentally benevolent means contrary to traditional metal catalysed reactions. To the best of our knowledge, there exists no exclusive review on the metal-free multicomponent synthesis of six membered N-heterocyles, and hence the present report highlights the progress on metal-free multicomponent reactions with their advantages and mechanistic insights to access monocyclic six-membered N-heterocycles including pyridine, pyrimidine, pyrazine, triazine and their hydrogenated derivatives. The literature is covered since 2000, and the contents offer not only striking methods for divergent synthesis of six-membered N-heterocycles but also put forward some new insights into the exploration of metal-free multicomponent chemistry.
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Affiliation(s)
- Preeti
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
| | - Krishna Nand Singh
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi-221005, India.
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21
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Cheng B, Ge D, Wang X, Chu X. Perfluoroalkyl Halides as Fluorine-Containing Building Blocks for the Synthesis of Fluoroalkylated Heterocycles. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202009035] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Gao Q, Wu M, Zhang K, Yang N, Liu M, Li J, Fang L, Bai S, Xu Y. I2-Catalyzed Aerobic α,β-Dehydrogenation and Deamination of Tertiary Alkylamines: Highly Selective Synthesis of Polysubstituted Pyrimidines via Hidden Acyclic Enamines. Org Lett 2020; 22:5645-5649. [DOI: 10.1021/acs.orglett.0c02001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Qinghe Gao
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Manman Wu
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Ke Zhang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Ning Yang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Mengting Liu
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Juan Li
- Department of MRI, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, P.R. China
| | - Lizhen Fang
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Suping Bai
- School of Pharmacy, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Yongtao Xu
- School of Medical Engineering, Xinxiang Key Laboratory of Biomedical Information Research, Henan Engineering Laboratory of Combinatorial Technique for Clinical and Biomedical Big Data, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
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23
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Bori J, Mahata S, Manivannan V. A new route for the synthesis of 2,4-bis(2-pyridyl)-6-(pyridyl)pyrimidines: Synthesis and characterization of Co(II), Ni(II) complexes of 2,4,6-tris(2-pyridyl)pyrimidine. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2020.119506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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24
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Ma Y, Chen Y, Lou C, Li Z. DABCO‐Mediated [4+1] Cycloaddition of β,β‐Dihalo Peroxides with Sodium Azide toward Isoxazoles. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000153] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yangyang Ma
- Department of ChemistryRenmin University of China Beijing 100872 China
| | - Yuanjin Chen
- Department of ChemistryRenmin University of China Beijing 100872 China
| | - Chenhao Lou
- Department of ChemistryRenmin University of China Beijing 100872 China
| | - Zhiping Li
- Department of ChemistryRenmin University of China Beijing 100872 China
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25
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Wu F, Ariyarathna JP, Kaur N, Alom NE, Kennell ML, Bassiouni OH, Li W. Halogen-Bond-Induced Consecutive Csp3–H Aminations via Hydrogen Atom Transfer Relay Strategy. Org Lett 2020; 22:2135-2140. [PMID: 32109065 DOI: 10.1021/acs.orglett.0c00081] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Fan Wu
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Jeewani P. Ariyarathna
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Navdeep Kaur
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Nur-E Alom
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Maureen L. Kennell
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Omar H. Bassiouni
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
| | - Wei Li
- Department of Chemistry and Biochemistry, School of Green Chemistry and Engineering, The University of Toledo, 2801 West Bancroft Street, Toledo, Ohio 43606, United States
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26
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Recent advances in catalyst-free photochemical reactions via electron-donor-acceptor (EDA) complex process. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151506] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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27
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Ding Y, Ma R, Hider RC, Ma Y. Acid‐Catalyzed Pseudo Five‐Component Annulation for a General One‐Pot Synthesis of 2,4,6‐Triaryl Pyrimidines. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.201900700] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yuxin Ding
- School of Pharmaceutical and Chemical EngineeringTaizhou University Taizhou 318000 P. R. China
- School of Pharmaceutical ScienceZhejiang Chinese Medical University Hangzhou 310053 P R China
| | - Renchao Ma
- School of Pharmaceutical and Chemical EngineeringTaizhou University Taizhou 318000 P. R. China
| | - Robert C. Hider
- Institute of Pharmaceutical ScienceKing's College London Franklin-Wilkins Building Stamford Street London SE1 9NH UK
| | - Yongmin Ma
- School of Pharmaceutical and Chemical EngineeringTaizhou University Taizhou 318000 P. R. China
- School of Pharmaceutical ScienceZhejiang Chinese Medical University Hangzhou 310053 P R China
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28
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Chen Y, Li L, He X, Li Z. Four-Component Reactions for the Synthesis of Perfluoroalkyl Isoxazoles. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03189] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yuanjin Chen
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Liangkui Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Xiao He
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Zhiping Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
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29
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A visible-light-irradiated electron donor-acceptor complex-promoted radical reaction system for the C H perfluoroalkylation of quinolin-4-ols. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151046] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Jiang M, Nie Q, Cai M. Heterogeneous gold(I)-catalyzed cyclization between ynals and amidines: An efficient and practical synthesis of 2,4-disubstituted pyrimidines. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2019.1631347] [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)
- Minhua Jiang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
- School of New Energy Science and Engineering, Xinyu University, Xinyu, China
| | - Quan Nie
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Mingzhong Cai
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education and College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, China
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31
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Wang R, Wang L, Xu Q, Ren BY, Liang F. Visible-Light-Promoted [5 + 1] Annulation Initiated by Electron-Donor–Acceptor Complexes: Synthesis of Perfluoroalkyl-s-Triazines. Org Lett 2019; 21:3072-3076. [DOI: 10.1021/acs.orglett.9b00655] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rui Wang
- Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Lili Wang
- Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Qin Xu
- College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Bao-Yi Ren
- College of Applied Chemistry, Shenyang University of Chemical Technology, Shenyang 110142, China
| | - Fushun Liang
- Department of Chemistry, Northeast Normal University, Changchun 130024, China
- College of Chemistry, Liaoning University, Shenyang 110036, China
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32
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Chen Y, Li L, Ma Y, Li Z. Cobalt-Catalyzed Three-Component Difluoroalkylation–Peroxidation of Alkenes. J Org Chem 2019; 84:5328-5338. [DOI: 10.1021/acs.joc.9b00339] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yuanjin Chen
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Liangkui Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Yangyang Ma
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Zhiping Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
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33
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Guo W, Zhao M, Tan W, Zheng L, Tao K, Fan X. Developments towards synthesis of N-heterocycles from amidines via C–N/C–C bond formation. Org Chem Front 2019. [DOI: 10.1039/c9qo00283a] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review focuses on the synthesis of N-heterocycles using amidines as starting materials, with an emphasis on the mechanisms of these reactions via C–N/C–C bond formation.
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Affiliation(s)
- Wei Guo
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Mingming Zhao
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Wen Tan
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Lvyin Zheng
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Kailiang Tao
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Xiaolin Fan
- Key Laboratory of Organo-pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
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34
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Liu S, Wang R, Zhu B, Guan W, Liang F. Photo- and dioxygen-enabled radical C(sp3)–N(sp2) cross-coupling between guanidines and perfluoroalkyl iodides. Org Biomol Chem 2019; 17:8695-8700. [DOI: 10.1039/c9ob01520e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The utilization of visible light and dioxygen (air) as green and sustainable mediators in photocatalyzed synthetic chemistry is demonstrated.
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Affiliation(s)
- Shulin Liu
- College of Chemistry
- Liaoning University
- Shenyang 110036
- China
| | - Rui Wang
- Institute of Petrochemical Technology
- Jilin Institute of Chemical Technology
- Jilin 132022
- China
| | - Bo Zhu
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Wei Guan
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- China
| | - Fushun Liang
- College of Chemistry
- Liaoning University
- Shenyang 110036
- China
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35
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Fu Q, Wang R, Liang F, Guan W. Aza-tricycles containing a perfluoroalkyl group: synthesis, structure and fluorescence. Org Biomol Chem 2018; 16:8950-8954. [PMID: 30452055 DOI: 10.1039/c8ob02749h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Perfluoroalkyl-containing aza-tricycles have been prepared in one synthetic operation via an ambient light-promoted three-component reaction of β-oxo esters, perfluoroalkyl iodide and DBU. Intramolecular C-FO and double C-HF weak interactions and intermolecular C-HO and C-Hπ hydrogen bondings were observed partly due to the incorporation of the perfluoroalkyl group. The perfluoroalkylated non-planar aza-tricycles exhibit interesting room-temperature AIE fluorescence and acid-induced fluorescence enhancement characters.
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Affiliation(s)
- Qiang Fu
- Department of Chemistry, Northeast Normal University, Changchun 130024, China.
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36
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Affiliation(s)
- Al Postigo
- Facultad de Farmacia y Bioquímica, Departamento de Química Orgánica.; Universidad de Buenos Aires; Junín 954 CP 1113 Buenos Aires Argentina
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37
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Su L, Sun K, Pan N, Liu L, Sun M, Dong J, Zhou Y, Yin SF. Cyclization of Ketones with Nitriles under Base: A General and Economical Synthesis of Pyrimidines. Org Lett 2018; 20:3399-3402. [DOI: 10.1021/acs.orglett.8b01324] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Lebin Su
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Kang Sun
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Neng Pan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Long Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Mengli Sun
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Jianyu Dong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yongbo Zhou
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Shuang-Feng Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
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38
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Chu XQ, Xie T, Li L, Ge D, Shen ZL, Loh TP. Combining Fluoroalkylation and Defluorination to Enable Formal [3 + 2 + 1] Heteroannulation by Using Visible-Light Photoredox Organocatalysis. Org Lett 2018; 20:2749-2752. [DOI: 10.1021/acs.orglett.8b00963] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Xue-Qiang Chu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Ting Xie
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Lin Li
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Danhua Ge
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Zhi-Liang Shen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Teck-Peng Loh
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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39
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Liu ZC, Zhao QQ, Chen J, Tang Q, Chen JR, Xiao WJ. Visible Light Photocatalytic Radical Addition/Cyclization Reaction of o
-Vinyl-N
-Alkoxybenzamides for Synthesis of CF3
-Containing Iminoisobenzofurans. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800037] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Zhi-Cheng Liu
- CCNU-uOttawa Joint Research Centre, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticides & Chemical Biology, Ministry of Education, College of Chemistry; Central China Normal University; 152 Luoyu Road, Wuhan Hubei 430079 People's of China
| | - Quan-Qing Zhao
- CCNU-uOttawa Joint Research Centre, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticides & Chemical Biology, Ministry of Education, College of Chemistry; Central China Normal University; 152 Luoyu Road, Wuhan Hubei 430079 People's of China
| | - Jun Chen
- CCNU-uOttawa Joint Research Centre, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticides & Chemical Biology, Ministry of Education, College of Chemistry; Central China Normal University; 152 Luoyu Road, Wuhan Hubei 430079 People's of China
| | - Qian Tang
- CCNU-uOttawa Joint Research Centre, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticides & Chemical Biology, Ministry of Education, College of Chemistry; Central China Normal University; 152 Luoyu Road, Wuhan Hubei 430079 People's of China
| | - Jia-Rong Chen
- CCNU-uOttawa Joint Research Centre, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticides & Chemical Biology, Ministry of Education, College of Chemistry; Central China Normal University; 152 Luoyu Road, Wuhan Hubei 430079 People's of China
| | - Wen-Jing Xiao
- CCNU-uOttawa Joint Research Centre, Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticides & Chemical Biology, Ministry of Education, College of Chemistry; Central China Normal University; 152 Luoyu Road, Wuhan Hubei 430079 People's of China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; 345 Lingling Road Shanghai 200032 People's of China
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40
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Caiuby CAD, Ali A, Santana VT, de S Lucas FW, Santos MS, Corrêa AG, Nascimento OR, Jiang H, Paixão MW. Intramolecular radical cyclization approach to access highly substituted indolines and 2,3-dihydrobenzofurans under visible-light. RSC Adv 2018; 8:12879-12886. [PMID: 35541239 PMCID: PMC9079632 DOI: 10.1039/c8ra01787e] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 03/21/2018] [Indexed: 11/29/2022] Open
Abstract
The combination of visible-light and tris(trimethylsilyl)silane promoting intramolecular reductive cyclization protocol for the synthesis of functionalized indolines and 2,3-dihydrobenzofurans has been developed. The transformations occur in the absence of transition metal and additional photocatalyst. In addition, quantum yield (Φ) was determined and electron paramagnetic resonance spectroscopy was performed to better understand the reaction pathway.
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Affiliation(s)
- Clarice A D Caiuby
- Center of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar Rodovia Washington Luís, km 235 - SP-310 São Carlos São Paulo Brazil 13565-905
| | - Akbar Ali
- Center of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar Rodovia Washington Luís, km 235 - SP-310 São Carlos São Paulo Brazil 13565-905
| | - Vinicius T Santana
- Group of Molecular Biophysics "Sérgio Mascarenhas", São Carlos Institute of Physics - IFSC/USP, University of São Paulo Avenida Trabalhador São Carlense, 400 São Carlos SP 13560-970 Brazil
| | - Francisco W de S Lucas
- Center of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar Rodovia Washington Luís, km 235 - SP-310 São Carlos São Paulo Brazil 13565-905
| | - Marilia S Santos
- Center of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar Rodovia Washington Luís, km 235 - SP-310 São Carlos São Paulo Brazil 13565-905
| | - Arlene G Corrêa
- Center of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar Rodovia Washington Luís, km 235 - SP-310 São Carlos São Paulo Brazil 13565-905
| | - Otaciro R Nascimento
- Group of Molecular Biophysics "Sérgio Mascarenhas", São Carlos Institute of Physics - IFSC/USP, University of São Paulo Avenida Trabalhador São Carlense, 400 São Carlos SP 13560-970 Brazil
| | - Hao Jiang
- Center of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar Rodovia Washington Luís, km 235 - SP-310 São Carlos São Paulo Brazil 13565-905
| | - Márcio W Paixão
- Center of Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos - UFSCar Rodovia Washington Luís, km 235 - SP-310 São Carlos São Paulo Brazil 13565-905
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41
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Liu X, Zhao X, Liang F, Ren B. t-BuONa-mediated direct C-H halogenation of electron-deficient (hetero)arenes. Org Biomol Chem 2018; 16:886-890. [PMID: 29340407 DOI: 10.1039/c7ob03081a] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An efficient halogenation of electron-deficient (hetero)arenes is described. The reaction utilizes common t-BuONa as a catalyst (for iodination) or a promoter (for bromination and chlorination), and perfluorobutyl iodide, CBr4 or CCl4 as the readily-available halogenating agents, respectively. The protocol features broad scope, high efficiency, mild conditions and gram scalability. An ionic pathway involving halogen bond formation and halophilic attack is proposed. The utility of the resulting iodinated heteroarenes is demonstrated in visible light-mediated Caryl-Caryl cross-coupling reaction.
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Affiliation(s)
- Xia Liu
- College of Chemistry, Liaoning University, Shenyang 110036, China.
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42
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Guo W, Zhao M, Tan W, Zheng L, Tao K, Liu L, Wang X, Chen D, Fan X. Visible Light-Promoted Three-Component Tandem Annulation for the Synthesis of 2-Iminothiazolidin-4-ones. J Org Chem 2018; 83:1402-1413. [DOI: 10.1021/acs.joc.7b02940] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Wei Guo
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Mingming Zhao
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Wen Tan
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Lvyin Zheng
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Kailiang Tao
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Lingxiu Liu
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Xinyu Wang
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Deliang Chen
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
| | - Xiaolin Fan
- Key Laboratory
of Organo-pharmaceutical
Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, China
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43
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Chu XQ, Cheng BQ, Zhang YW, Ge D, Shen ZL, Loh TP. Copper-catalyzed three-component cyclization of amidines, styrenes, and fluoroalkyl halides for the synthesis of modular fluoroalkylated pyrimidines. Chem Commun (Camb) 2018; 54:2615-2618. [DOI: 10.1039/c7cc09571f] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient copper-catalyzed three-component cyclization for the construction of highly functionalized pyrimidine derivatives from amidines, styrenes and fluoroalkyl halides is developed.
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Affiliation(s)
- Xue-Qiang Chu
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
| | - Bu-Qing Cheng
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
| | - Yao-Wei Zhang
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
| | - Danhua Ge
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
| | - Zhi-Liang Shen
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
| | - Teck-Peng Loh
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing 211816
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44
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Schmitt E, Commare B, Panossian A, Vors JP, Pazenok S, Leroux FR. Synthesis of Mono- and Bis(fluoroalkyl)pyrimidines from FARs, Fluorinated Acetoacetates, and Malononitrile Provides Easy Access to Novel High-Value Pyrimidine Scaffolds. Chemistry 2017; 24:1311-1316. [DOI: 10.1002/chem.201703982] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Indexed: 01/15/2023]
Affiliation(s)
- Etienne Schmitt
- Laboratoire de Chimie Moléculaire; Université de Strasbourg, CNRS, UMR 7509; 25, rue Becquerel 67087 Strasbourg France
- Joint Laboratory CNRS-Université de Strasbourg-Bayer, LCR C2OF; France
| | - Bruno Commare
- Laboratoire de Chimie Moléculaire; Université de Strasbourg, CNRS, UMR 7509; 25, rue Becquerel 67087 Strasbourg France
- Joint Laboratory CNRS-Université de Strasbourg-Bayer, LCR C2OF; France
| | - Armen Panossian
- Laboratoire de Chimie Moléculaire; Université de Strasbourg, CNRS, UMR 7509; 25, rue Becquerel 67087 Strasbourg France
- Joint Laboratory CNRS-Université de Strasbourg-Bayer, LCR C2OF; France
| | - Jean-Pierre Vors
- Bayer S.A.S.; 14, Impasse Pierre Baizet, BP99163 69263 Lyon Cedex 09 France
- Joint Laboratory CNRS-Université de Strasbourg-Bayer, LCR C2OF; France
| | - Sergiy Pazenok
- Bayer A.G.; Alfred-Nobel-Strasse 50 40789 Monheim Germany
- Joint Laboratory CNRS-Université de Strasbourg-Bayer, LCR C2OF; France
| | - Frédéric R. Leroux
- Laboratoire de Chimie Moléculaire; Université de Strasbourg, CNRS, UMR 7509; 25, rue Becquerel 67087 Strasbourg France
- Joint Laboratory CNRS-Université de Strasbourg-Bayer, LCR C2OF; France
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45
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Yu JM, Cai C. Ambient-Light-Promoted Perfluoroalkylative Cyclization of β,γ-Unsaturated Hydrazones: Synthesis of Perfluoroalkylated Pyrazolines. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701201] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jing-miao Yu
- Chemical Engineering College; Nanjing University of Science and Technology; 200 Xiao Ling Wei Street Nanjing Jiangsu People's Republic of China
| | - Chun Cai
- Chemical Engineering College; Nanjing University of Science and Technology; 200 Xiao Ling Wei Street Nanjing Jiangsu People's Republic of China
- Key Laboratory of Organofluorine Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 20032 Shanghai Shanghai
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