1
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Ito K, Nakamura K, Yoshida K. Synthesis of [1]Benzothieno[3,2-b][1]benzothiophenes through Iodine-Mediated Sulfur Insertion Reaction. Chemistry 2024; 30:e202400220. [PMID: 38320966 DOI: 10.1002/chem.202400220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/08/2024]
Abstract
[1]Benzothieno[3,2-b][1]benzothiophenes (BTBTs) are important molecules that have been extensively studied as high-performance organic field-effect transistors (OFETs). Therefore, it is important to develop a simple synthetic method for these molecules. In this paper, a synthetic method to obtain the BTBTs from 2-arylbenzo[b]thiophenes and elemental sulfur, in which two C-S bonds are formed at once, is described. In this method, molecular iodine plays a very important role as an additive. The role of iodine is discussed in the presumed reaction pathways.
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Affiliation(s)
- Kazuki Ito
- Department of Chemistry, Graduate School of Science, Chiba University, Yayoi-cho, Inage-ku, Chiba, 263-8522, Japan
| | - Kohei Nakamura
- Department of Chemistry, Graduate School of Science, Chiba University, Yayoi-cho, Inage-ku, Chiba, 263-8522, Japan
| | - Kazuhiro Yoshida
- Department of Chemistry, Graduate School of Science, Chiba University, Yayoi-cho, Inage-ku, Chiba, 263-8522, Japan
- Department of Quantum Life Science, Graduate School of Science, Chiba University, Yayoi-cho, Inage-ku, Chiba, 263-8522, Japan
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2
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S K N, P R, Ann Babu S, John J, Hopf H. A Review on the Synthetic Methods towards Benzothienobenzothiophenes. CHEM REC 2024; 24:e202400019. [PMID: 38456791 DOI: 10.1002/tcr.202400019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/20/2024] [Indexed: 03/09/2024]
Abstract
Benzothienobenzothiophenes (BTBTs) are a class of heteroacenes for which two distinct isomers have been identified depending on the locations of the fused benzothiophene motifs. Benzothienobenzothiophenes represent a class of heteroacenes demonstrating remarkable electronic properties that make them prominent in the realm of organic semiconductors. The structure of BTBTs, incorporating two sulfur atoms, contributes to their unique electronic characteristics, including narrow bandgaps and effective charge transport pathways. These compounds have gained attention for their high charge carrier mobility, making them desirable candidates for application in organic field-effect transistors (OFETs) and other electronic devices. Researchers have explored various synthetic strategies to design and tailor the properties of BTBT derivatives, leading to advancements in the development of high-performance organic semiconductors. Various synthetic techniques for benzothienobenzothiophenes have been reported in the literature including multistep synthesis, tandem transformations, electrochemical synthesis, and annulations. This review investigates the generality of each synthetic methodology by highlighting its benefits and drawbacks, and it analyses all synthetic approaches described for the creation of the two isomers. For the advantage of the readers, we have delved upon every mechanism of the reactions that are known. Finally, we have also summarized the synthetic methodologies that are used for making benzothienobenzothiophene analogues for material applications.
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Affiliation(s)
- Nandana S K
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Rahul P
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sheba Ann Babu
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Jubi John
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram, 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Henning Hopf
- Institut für Organische Chemie, Technische Universität Braunschweig, Hagenring 30, D-38106, Braunschweig, Germany
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3
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Wang FD, Wang C, Wang M, Yan H, Jiang J, Li P. Visible-light-induced halocyclization of 2-alkynylthioanisoles with simple alkyl halides towards 3-halobenzo[ b]thiophenes without an external photocatalyst. Org Biomol Chem 2023; 21:8170-8175. [PMID: 37782212 DOI: 10.1039/d3ob00860f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
A new strategy for the preparation of 3-halobenzo[b]thiophenes via a photo-driven halocyclization/demethylation of 2-alkynylthioanisoles with simple alkyl halides was developed. The reaction can proceed smoothly at room temperature under visible-light irradiation without any external photocatalyst, and the protocol has a range of advantages, including simplicity and mildness of the reaction conditions, good functional-group tolerance, and excellent yields of the products.
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Affiliation(s)
- Fen-Dou Wang
- College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China.
| | - Chunmiao Wang
- College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China.
| | - Min Wang
- College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China.
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P.R. China.
| | - Han Yan
- College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China.
| | - Jin Jiang
- College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China.
| | - Pinhua Li
- College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, P. R. China.
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4
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Huang J, Wang W, Zhang L, Meng X. Recent advances in the synthesis of benzo[b]thiophene fused polycyclic derivatives: strategies and reactions. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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5
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Li M, Zhang R, Gao Q, Jiang H, Lei M, Wu W. Divergent Synthesis of Fused Tetracyclic Heterocycles from Diarylalkynes Enabled by the Selective Insertion of Isocyanide. Angew Chem Int Ed Engl 2022; 61:e202208203. [DOI: 10.1002/anie.202208203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Meng Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Ruixue Zhang
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 10019 China
| | - Qiushan Gao
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 10019 China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
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6
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Mancuso R, Lettieri M, Strangis R, Russo P, Palumbo Piccionello A, De Angelis S, Gabriele B. Iodocyclization of 2‐Methylthiophenylacetylenes to 3‐Iodobenzothiophenes and their coupling Reactions under More Sustainable Conditions. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Raffaella Mancuso
- University of Calabria: Universita della Calabria Chemistry and Chemical Technologies Rende (CS) ITALY
| | - Melania Lettieri
- Università della Calabria: Universita della Calabria Chemistry and Chemical Technologies Rende (CS) ITALY
| | - Romina Strangis
- University of Calabria: Universita della Calabria Chemistry and Chemical Technologies Rende (CS) ITALY
| | - Patrizio Russo
- University of Calabria: Universita della Calabria Chemistry and Chemical Technologies Rende (CS) ITALY
| | - Antonio Palumbo Piccionello
- University of Palermo: Universita degli Studi di Palermo Biological, Chemical and Pharmaceutical Science and Technology-STEBICEF Palermo ITALY
| | - Sara De Angelis
- University of Calabria: Universita della Calabria Chemistry and Chemical Technologies ITALY
| | - Bartolo Gabriele
- University of Calabria: Universita della Calabria Department of Chemistry and Chemical Technologies Via Pietro Bucci, 12/C 87036 Arcavacata di Rende ITALY
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7
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Li M, Zhang R, Gao Q, Jiang H, Lei M, Wu W. Divergent Synthesis of Fused Tetracyclic Heterocycles from Diarylalkynes Enabled by the Selective Insertion of Isocyanide. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Meng Li
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Ruixue Zhang
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Qiushan Gao
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Huanfeng Jiang
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Ming Lei
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Wanqing Wu
- South China University of Technology School of Chemistry & Chemical Engineering No. 381, Wushan Road, Tianhe Strict, 510640 Guangzhou CHINA
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8
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Yang C, Liu Z, Cheng R, Du J, Ran C, Wu D, Lan J. Rh(III)-catalysed C-H/C-H cross-coupling of S-aryl sulfoximines with thiophenes: facile access to [1]benzothieno[3,2- b][1]benzothiophene (BTBT) and benzothiazines. Chem Commun (Camb) 2022; 58:7952-7955. [PMID: 35749123 DOI: 10.1039/d2cc02232j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reported herein is rhodium-catalysed oxidative C-H/C-H cross-coupling of S-aryl sulfoximines with thiophenes via a chelation-assisted strategy, which provides an efficient approach for the construction of [1]benzothieno[3,2-b][1]benzothiophene (BTBT) and benzothiazine skeletons from easily available substrates. This protocol exhibits a good compatibility with halogen substituents, thus paving the way for further transformation to prepare various organic functional molecules. The resulting benzothiazine derivative shows a deep blue emission with Commission Internationale de 'Eclairage (CIE) coordinates of (0.15, 0.04), a high quantum yield, and a delayed fluorescence lifetime.
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Affiliation(s)
- Chengyong Yang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Zheng Liu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Rui Cheng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Jiping Du
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Chunhao Ran
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Di Wu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Jingbo Lan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
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9
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Wang J, Lu X, Tan X, Yan Y, Zhang P, Chao S, Liu L, Shang X, Chu Z. Electrophilic Selenocyanogen Cyclization of Alkynes; Synthesis of Benzofurylselenocyanates, Benzothienylselenocyanates and Indolylselenocyanates. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Jia Wang
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
| | - Xiao‐Xiao Lu
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
| | - Xin‐Qiang Tan
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
| | - Yun‐Hui Yan
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
| | - Pengbo Zhang
- School of Public Health Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Shu‐Jun Chao
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
| | - Lixia Liu
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
| | - Xuefang Shang
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
| | - Zhi‐Li Chu
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan, 453003 People's Republic of China
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10
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Tayu M, Rahmanudin A, Perry GJP, Khan RU, Tate DJ, Marcial-Hernandez R, Shen Y, Dierking I, Janpatompong Y, Aphichatpanichakul S, Zamhuri A, Victoria-Yrezabal I, Turner ML, Procter DJ. Modular synthesis of unsymmetrical [1]benzothieno[3,2- b][1]benzothiophene molecular semiconductors for organic transistors. Chem Sci 2022; 13:421-429. [PMID: 35126974 PMCID: PMC8730195 DOI: 10.1039/d1sc05070b] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 11/27/2021] [Indexed: 12/23/2022] Open
Abstract
A modular approach to underexplored, unsymmetrical [1]benzothieno[3,2-b][1]benzothiophene (BTBT) scaffolds delivers a library of BTBT materials from readily available coupling partners by combining a transition-metal free Pummerer CH-CH-type cross-coupling and a Newman-Kwart reaction. This effective approach to unsymmetrical BTBT materials has allowed their properties to be studied. In particular, tuning the functional groups on the BTBT scaffold allows the solid-state assembly and molecular orbital energy levels to be modulated. Investigation of the charge transport properties of BTBT-containing small-molecule:polymer blends revealed the importance of molecular ordering during phase segregation and matching the highest occupied molecular orbital energy level with that of the semiconducting polymer binder, polyindacenodithiophene-benzothiadiazole (PIDTBT). The hole mobilities extracted from transistors fabricated using blends of PIDTBT with phenyl or methoxy functionalized unsymmetrical BTBTs were double those measured for devices fabricated using pristine PIDTBT. This study underscores the value of the synthetic methodology in providing a platform from which to study structure-property relationships in an underrepresented family of unsymmetrical BTBT molecular semiconductors.
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Affiliation(s)
- Masanori Tayu
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Aiman Rahmanudin
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Gregory J P Perry
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Raja U Khan
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Daniel J Tate
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | | | - Yuan Shen
- Department of Physics & Astronomy, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Ingo Dierking
- Department of Physics & Astronomy, University of Manchester Oxford Road Manchester M13 9PL UK
| | | | | | - Adibah Zamhuri
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | | | - Michael L Turner
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | - David J Procter
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
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11
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Gou G, Zhang Z, Fan T, Fang L, Liu M, Li L. Synthesis, optical properties and self-organization of blue-emitting butterfly-shaped dithienobenzosiloles. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.12.052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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12
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Wang J, Wang Y, Liu Y, Yan X, Yan Y, Chao S, Shang X, Ni T, Zhou P. Synthesis of Isoquinolylselenocyanates and Quinolylselenocyanates via Electrophilic Selenocyanogen Cyclization Induced by Pseudohalogen (SeCN)
2
Generated
in situ. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101169] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jia Wang
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Yun‐Zhe Wang
- School of Pharmaceutical Sciences Zhengzhou University Zhengzhou Henan 450001 People's Republic of China
| | - Yu‐Jie Liu
- College of Pharmacy Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Xin‐Xin Yan
- College of Pharmacy Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Yun‐Hui Yan
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Shu‐Jun Chao
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Xuefang Shang
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Tianjun Ni
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
| | - Ping‐Xin Zhou
- School of Basic Medical Sciences Xinxiang Medical University Xinxiang Henan 453003 People's Republic of China
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13
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Wang D, Xiao F, Zhang F, Deng G. Three‐Component
Synthesis of
2‐Heteroaryl
‐3‐hydroxybenzo[
b
]‐thiophenes under
Transition‐Metal‐Free
Conditions. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100238] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Dahan Wang
- 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 Hunan 411105 China
| | - Fuhong Xiao
- 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 Hunan 411105 China
| | - Feng Zhang
- 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 Hunan 411105 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 Hunan 411105 China
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology Guangzhou Guangdong 510640 China
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14
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Huang D, Wu X. t-BuOK-promoted methylthiolation of aryl fluorides with dimethyldisulfide under transition-metal-free and mild conditions. J Fluor Chem 2021. [DOI: 10.1016/j.jfluchem.2021.109778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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15
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Cai T, Shen F, Ni Y, Xu H, Shen R, Gao Y. Cascade Radical Annulation of 2-Alkynylthio(seleno)anisoles with Acetone or Acetonitrile: Synthesis of 3-Acetomethyl- or Cyanomethyl-Substituted Benzothio(seleno)phenes. J Org Chem 2021; 86:1002-1011. [PMID: 33284023 DOI: 10.1021/acs.joc.0c02444] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
An efficient method for the direct preparation of 3-aceto(cyano)methyl-substituted benzothio(seleno)phenes has been achieved through C(sp3)-H bond activation of easily available acetone or acetonitrile and cascade radical cyclization reaction. In this cascade radical cyclization reaction, C(sp2)-C(sp3) and C(sp2)-S bonds, as well as benzenethio(seleno)phene skeletons, can be built along with the cleavage of the C(sp3)-S bond, demonstrating the high step-economics and efficiency of this approach.
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Affiliation(s)
- Tao Cai
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Fangqi Shen
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China
| | - Yuqi Ni
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Huiting Xu
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Runpu Shen
- College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China
| | - Yuzhen Gao
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
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16
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Abstract
Benzo[b]thiophenes are aromatic heterocyclic compounds containing benzene
and thiophene rings. This class of heterocycles is present in a large number of natural and
non-natural compounds. Benzo[b]thiophene derivatives have a broad range of applications in
medicinal chemistry such as antimicrobial, anticancer, antioxidant, anti-HIV and antiinflammatory
activities. The use of benzo[b]thiophene derivatives in other fields has also been
reported. Various benzo[b]thiophenes compounds have been employed as organic photoelectric
materials, while several benzo[b]thiophenes have been used as organic semiconductors.
Benzo[b]thiophenes have also been used as building blocks or intermediates for the synthesis
of pharmaceutically important molecules.
:
Due to such a wide range of applicability, the synthesis of benzo[b]thiophene derivatives has
attracted intensive research. Numerous mild and efficient approaches for the synthesis of
benzo[b]thiophenes have been developed over the years. Different catalysts and substrates have been applied for
benzo[b]thiophene synthesis. This review will focus on the studies in the construction of benzo[b]thiophene skeleton,
which date back from 2012.
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Affiliation(s)
- Dau Xuan Duc
- Department of Chemistry, Vinh University, Vinh City, Vietnam
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17
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Transition‐Metal‐Catalyzed Carbohalogenative 1,2‐Difunctionalization of C−C Multiple Bonds. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000630] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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18
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Xue J, Bai LG, Zhang L, Zhou Y, Lin XL, Mou NJ, Xiao DR, Luo QL. One-Pot Synthesis of 2,4-Diacyl Thiophenes from α-Oxo Ketene Dithioacetals and Propargylic Alcohols. J Org Chem 2020; 85:9761-9775. [DOI: 10.1021/acs.joc.0c01093] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Jian Xue
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Li-Gang Bai
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Liang Zhang
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Yue Zhou
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Xiao-Long Lin
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Neng-Jie Mou
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Dong-Rong Xiao
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Qun-Li Luo
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
- Key Laboratory of Applied Chemistry of Chongqing Municipality, Southwest University, Chongqing 400715, China
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19
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Synthesis of [1]benzothiopheno[2,3-b][1]benzothiophene derivatives through iodine-mediated sulfuration reaction of 1,1-diarylethylenes. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151476] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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20
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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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21
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Wang J, Deng YJ, Yan XX, Liu YJ, Ge CP, Yan Y, Chao S, Zhou PX. Synthesis of 3-phosphinoylbenzofurans via electrophilic phosphination cyclization. Org Chem Front 2020. [DOI: 10.1039/c9qo01502g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
An expedient strategy for the synthesis of 3-phosphinoylbenzofurans through a cascade electrophilic phosphination cyclization has been presented.
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Affiliation(s)
- Jia Wang
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Yun-Jing Deng
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Xin-Xin Yan
- College of Pharmacy
- Xinxiang Medical University
- Xinxiang
- China
| | - Yu-Jie Liu
- College of Pharmacy
- Xinxiang Medical University
- Xinxiang
- China
| | - Chun-Po Ge
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Yunhui Yan
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Shujun Chao
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
| | - Ping-Xin Zhou
- School of Basic Medical Sciences
- Xinxiang Medical University
- Xinxiang
- China
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22
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Federmann P, Wagner HK, Antoni PW, Mörsdorf JM, Pérez Lustres JL, Wadepohl H, Motzkus M, Ballmann J. P-Protected Diphosphadibenzo[a,e]pentalenes and Their Mono- and Dicationic P-Bridged Ladder Stilbenes. Org Lett 2019; 21:2033-2038. [DOI: 10.1021/acs.orglett.9b00161] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Patrick Federmann
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, D-69120 Heidelberg, Germany
| | - Hannah K. Wagner
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, D-69120 Heidelberg, Germany
| | - Patrick W. Antoni
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, D-69120 Heidelberg, Germany
| | - Jean-Marc Mörsdorf
- Physikalisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany
| | - José Luis Pérez Lustres
- Physikalisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany
| | - Hubert Wadepohl
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, D-69120 Heidelberg, Germany
| | - Marcus Motzkus
- Physikalisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 229, D-69120 Heidelberg, Germany
| | - Joachim Ballmann
- Anorganisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 276, D-69120 Heidelberg, Germany
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