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Muchtaridi M, Nurhidayah W, Fakih TM, Kannaka K, Suzuki H, Subroto T, Uehara T. Investigation of a Radio-Iodinated Alpha-Mangostin for Targeting Estrogen Receptor Alpha (ERα) in Breast Cancer: In Silico Design, Synthesis, and Biological Evaluation. Drug Des Devel Ther 2024; 18:4511-4526. [PMID: 39399125 PMCID: PMC11471106 DOI: 10.2147/dddt.s479447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Accepted: 09/19/2024] [Indexed: 10/15/2024] Open
Abstract
Introduction Alpha-mangostin (AM), the most representative xanthone derivative isolated from the rind of the Purple Mangosteen (Garcinia mangostana Linn), has been reported pharmacologically to be associated with breast cancer in silico, in vitro, and in vivo. Although the pharmacological effects of AM are believed to involve the estrogen receptor alpha (ERα), there are no reports available in the literature describing the binding of AM to ERα. Methods In this study, iodine-125 (125I)-labeled AM ([125I]I-AM) was prepared, and its binding to ERα was investigated in vitro using MCF-7 cell lines. To investigate the applicability of radioiodine-labeled AM as a radiopharmaceutical for breast cancer, [125I]I-AM was injected into nude mice bearing MCF-7. Results The results obtained showed that the uptake of [125I]I-AM into MCF-7 cells was found to be inhibited by AM and tamoxifen, suggesting that its uptake is partially mediated by ERα. In addition, the biodistribution studies using MCF-7 bearing nude mice showed that [125I]I-AM accumulated in tumor tissues, although deiodination did occur, reducing the concentration of iodine-125 (125I) in the targeted cells. Conclusion These results suggested that AM would be a useful platform for the development of a new radiopharmaceutical targeting ERα. Further studies are, however, required to reduce deiodination of [125I]I-AM in vivo.
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Affiliation(s)
- Muchtaridi Muchtaridi
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, 45363, Indonesia
- Research Collaboration Centre for Radiopharmaceuticals Theranostic, National Research and Innovation Agency (BRIN), Sumedang, 45363, Indonesia
| | - Wiwit Nurhidayah
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, 45363, Indonesia
| | - Taufik Muhammad Fakih
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang, 45363, Indonesia
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Universitas Islam Bandung, Bandung, 40116, Indonesia
| | - Kento Kannaka
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, 260-8675, Japan
| | - Hiroyuki Suzuki
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, 260-8675, Japan
| | - Toto Subroto
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang, 45363, Indonesia
| | - Tomoya Uehara
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, 260-8675, Japan
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Thangalipalli S, Goud Bandalla S, Kiran Neella C. N‐Iodo‐4‐N,N‐Dimethylaminopyridinium Iodide; A New Green Iodination Reagent for Regioselective Mono and Di Iodination of Phenols and Anilines in Water with Good E‐Factor. ChemistrySelect 2023. [DOI: 10.1002/slct.202204338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | - Siddarama Goud Bandalla
- Department of M. Sc. 5 Yr Integrated Chemistry Palamuru University 509001 Mahbubnagar Telangana India
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3
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Petrov SA, Yusubov MS, Beloglazkina EK, Nenajdenko VG. Synthesis of Radioiodinated Compounds. Classical Approaches and Achievements of Recent Years. Int J Mol Sci 2022; 23:13789. [PMID: 36430267 PMCID: PMC9698107 DOI: 10.3390/ijms232213789] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 10/30/2022] [Accepted: 11/07/2022] [Indexed: 11/11/2022] Open
Abstract
This review demonstrates the progress in the synthesis of radioiodinated compounds over the past decade. The possibilities and limitations of radiopharmaceuticals with different iodine isotopes, as well as the synthesis of low and high molecular weight compounds containing radioiodine, are discussed. An analysis of synthesis strategies, substrate frameworks, isolation methods, and metabolic stability, and the possibility of industrial production of radioiodinated organic derivatives which can find applications in the synthesis of drugs and diagnostics are presented.
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Affiliation(s)
- Stanislav A. Petrov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1-3, 119991 Moscow, Russia
| | - Mekhman S. Yusubov
- Research School of Chemistry and Applied Biomedical Sciences, The Tomsk Polytechnic University, 634050 Tomsk, Russia
| | - Elena K. Beloglazkina
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1-3, 119991 Moscow, Russia
| | - Valentine G. Nenajdenko
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, 1-3, 119991 Moscow, Russia
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5
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Palav A, Misal B, Chaturbhuj G. NCBSI/KI: A Reagent System for Iodination of Aromatics through In Situ Generation of I-Cl. J Org Chem 2021; 86:12467-12474. [PMID: 34339212 DOI: 10.1021/acs.joc.1c01642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In situ iodine monochloride (I-Cl) generation followed by iodination of aromatics using NCBSI/KI system has been developed. The NCBSI reagent requires no activation due to longer bond length, lower bond dissociation energy, and higher absolute charge density on nitrogen. The system is adequate for mono- and diiodination of a wide range of moderate to highly activated arenes with good yield and purity. Moreover, the precursor N-(benzenesulfonyl)benzenesulfonamide can be recovered and transformed to NCBSI, making the protocol eco-friendly and cost-effective.
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Affiliation(s)
- Amey Palav
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai 400 019, India.,Loba Chemie Pvt. Ltd., Research, and Development Center, Tarapur, Thane 401 506, India
| | - Balu Misal
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai 400 019, India.,Loba Chemie Pvt. Ltd., Research, and Development Center, Tarapur, Thane 401 506, India
| | - Ganesh Chaturbhuj
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai 400 019, India
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6
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Motaleb MA, Ibrahim IT, Sarhan MO, Zaghary WA. Radioiodination and biological distribution of a new s-triazine derivative for tumor uptake evaluation. J Labelled Comp Radiopharm 2018; 61:1058-1068. [PMID: 30193401 DOI: 10.1002/jlcr.3682] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/28/2018] [Accepted: 08/29/2018] [Indexed: 12/11/2022]
Abstract
A newly synthesized s-triazine derivative 1,1',1″-(((1,3,5-triazine-2,4,6-triyl) tris (azanediyl)) tris (benzene-4,1-diyl))tris (ethan-1-one), (1), was synthesized as a part of an ongoing research for development of novel s-triazine-based radiopharmaceuticals. In-vitro cell viability assay against different human cancer cell lines showed very promising inhibitory activity of the synthesized compound. This finding encouraged the radioiodination of 1 to study the degree of its localization in tumor site for evaluating the possibility of its use as a tumor imaging agent. The biodistribution study showed good localization of the radioiodinated derivative 2 at tumor site following i.v. administration in solid tumor-bearing mice. Finally, in a trial to understand the mechanism of the anticancer effect exerted by 1, a target prediction study and a docking study were performed. The results of the first study showed that focal adhesion kinase is a possible target for compound 1 and the docking study confirmed successful binding of both compound 1 and its radioiodinated derivative 2 to the binding site of focal adhesion kinase. As a conclusion, the results of this study suggest that, compound 2 could be used as a potential agent for tumor imaging after preclinical trials.
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Affiliation(s)
- Mohamed A Motaleb
- Labeled Compounds Department, Hot Laboratories Centre, Atomic Energy Authority, Cairo, Egypt
| | - Ismail T Ibrahim
- Labeled Compounds Department, Hot Laboratories Centre, Atomic Energy Authority, Cairo, Egypt.,Faculty of Pharmacy, Bian University, Baghdad, Iraq
| | - Mona O Sarhan
- Labeled Compounds Department, Hot Laboratories Centre, Atomic Energy Authority, Cairo, Egypt
| | - Wafaa A Zaghary
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Helwan University, Cairo, Egypt
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8
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Horibe T, Tsuji Y, Ishihara K. Thiourea–I2 as Lewis Base–Lewis Acid Cooperative Catalysts for Iodochlorination of Alkene with In Situ-Generated I–Cl. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01565] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Takahiro Horibe
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Yasutaka Tsuji
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering, Nagoya University, B2-3(611), Furo-cho, Chikusa, Nagoya 464-8603, Japan
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Design of Novel, Water Soluble and Highly Luminescent Europium Labels with Potential to Enhance Immunoassay Sensitivities. Molecules 2017; 22:molecules22101807. [PMID: 29064444 PMCID: PMC6151766 DOI: 10.3390/molecules22101807] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 10/17/2017] [Accepted: 10/19/2017] [Indexed: 11/17/2022] Open
Abstract
To meet the continual demands of more-sensitive immunoassays, the synthesis of novel luminescent Eu(III) chelate labels having similar substituted 4-(phenylethynyl)pyridine chromophores in three different chelate structure classes are reported. Significantly enhanced luminescence intensities were obtained, evidently caused by the intra-ligand charge transfer (ILCT) mediated sensitization, but the alternative ligands triplet state process cannot be ruled out. Based on the present study, even quite small changes on the chelate structure, and, especially, on the substituents' donor/acceptor strength on both ends of 4-(phenylethynyl)pyridine subunits have an unpredictable effect on the luminescence. The highest observed brightness was 16,400 M-1cm-1 in solution and 69,500 M-1cm-1 on dry surface, being 3.4 and 8.7 fold higher compared to the reference chelate. The new label chelates provide solutions for improved assay sensitivity up-to tenfold from the present concepts.
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Kim TS, Kim BR, Choi P, Kim GG, Vyas CK, Yang SD, Hur MG, Chang DJ, Park JH. Regioselective Iodination of Electron-Rich Coumarin Derivatives using Benzyltrimethylammonium Dichloroiodate with Zinc Chloride. B KOREAN CHEM SOC 2017. [DOI: 10.1002/bkcs.11161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Taek-Soo Kim
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
| | - Bo-Ram Kim
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
| | - Pyeongseok Choi
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
- Department of Advanced Materials Chemistry, College of Science and Technology; Dongguk University; Gyeongju 38066 Republic of Korea
| | - Gun Gyun Kim
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
- Department of Advanced Materials Chemistry, College of Science and Technology; Dongguk University; Gyeongju 38066 Republic of Korea
| | - Chirag K. Vyas
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
| | - Seung Dae Yang
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
| | - Min Goo Hur
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
| | - Dong-Jo Chang
- College of Pharmacy; Sunchon National University; Sunchoen 57922 Republic of Korea
| | - Jeong Hoon Park
- Radiation Instrumentation Research Division; Korea Atomic Energy Research Institute; Jeongeup 56212 Republic of Korea
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11
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Nishimura H, Tanaka K, Morisaki Y, Chujo Y, Wakamiya A, Murata Y. Oxygen-Bridged Diphenylnaphthylamine as a Scaffold for Full-Color Circularly Polarized Luminescent Materials. J Org Chem 2017; 82:5242-5249. [DOI: 10.1021/acs.joc.7b00511] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hidetaka Nishimura
- Institute
for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Kazuo Tanaka
- Department
of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Yasuhiro Morisaki
- Department
of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
| | - Yoshiki Chujo
- Department
of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Atsushi Wakamiya
- Institute
for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Yasujiro Murata
- Institute
for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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12
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Chisholm DR, Zhou GL, Pohl E, Valentine R, Whiting A. Practical synthetic strategies towards lipophilic 6-iodotetrahydroquinolines and -dihydroquinolines. Beilstein J Org Chem 2016; 12:1851-1862. [PMID: 27829891 PMCID: PMC5082455 DOI: 10.3762/bjoc.12.174] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 07/12/2016] [Indexed: 11/23/2022] Open
Abstract
The synthesis of novel tetrahydroquinolines (THQ) and dihydroquinolines (DHQ) are reported using three practical, scalable synthetic approaches to access highly lipophilic analogues bearing a 6-iodo substituent, each with a different means of cyclisation. A versatile and stable quinolin-2-one intermediate was identified, which could be reduced to the corresponding THQ with borane reagents, or to the DHQ with diisobutylaluminium hydride via a novel elimination that is more favourable at higher temperatures. Coupling these strongly electron-donating scaffolds to electron-accepting moieties caused the resulting structures to exhibit strong fluorescence.
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Affiliation(s)
- David R Chisholm
- Centre for Sustainable Chemical Processes, Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, UK
| | - Garr-Layy Zhou
- Centre for Sustainable Chemical Processes, Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, UK
| | - Ehmke Pohl
- Centre for Sustainable Chemical Processes, Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, UK
- Biophysical Sciences Institute, Durham University, South Road, Durham, DH1 3LE, UK
| | - Roy Valentine
- High Force Research Limited, Bowburn North Industrial Estate, Bowburn, Durham, DH6 5PF, UK
| | - Andrew Whiting
- Centre for Sustainable Chemical Processes, Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, UK
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13
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Tretyakov E, Okada K, Suzuki S, Baumgarten M, Romanenko G, Bogomyakov A, Ovcharenko V. Synthesis, structure and properties of nitronyl nitroxide diradicals with fused-thiophene couplers. J PHYS ORG CHEM 2016. [DOI: 10.1002/poc.3561] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Evgeny Tretyakov
- Vorozhtsov Institute of Organic Chemistry; Russian Academy of Sciences; Ak. Lavrentiev Avenue 9 630090 Novosibirsk Russia
- International Tomography Center; Russian Academy of Sciences; 3a ul. Institutskaya 630090 Novosibirsk Russia
| | - Keiji Okada
- Department of Chemistry, Graduate School of Science; Osaka City University; Sugimoto, Sumiyoshi-ku Osaka 558-8585 Japan
| | - Shuichi Suzuki
- Department of Chemistry, Graduate School of Science; Osaka City University; Sugimoto, Sumiyoshi-ku Osaka 558-8585 Japan
| | - Martin Baumgarten
- Max Planck Institute for Polymer Research; Ackermannweg 10 D-55128 Mainz Germany
| | - Galina Romanenko
- International Tomography Center; Russian Academy of Sciences; 3a ul. Institutskaya 630090 Novosibirsk Russia
| | - Artem Bogomyakov
- International Tomography Center; Russian Academy of Sciences; 3a ul. Institutskaya 630090 Novosibirsk Russia
| | - Victor Ovcharenko
- International Tomography Center; Russian Academy of Sciences; 3a ul. Institutskaya 630090 Novosibirsk Russia
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14
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Critical analysis of radioiodination techniques for micro and macro organic molecules. J Radioanal Nucl Chem 2016. [DOI: 10.1007/s10967-015-4679-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
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15
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Gómez-Durán CFA, Esnal I, Valois-Escamilla I, Urías-Benavides A, Bañuelos J, López Arbeloa I, García-Moreno I, Peña-Cabrera E. Near-IR BODIPY Dyes à la Carte-Programmed Orthogonal Functionalization of Rationally Designed Building Blocks. Chemistry 2015; 22:1048-61. [DOI: 10.1002/chem.201503090] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Indexed: 12/12/2022]
Affiliation(s)
- Cesar F. A. Gómez-Durán
- Departamento de Química; Universidad de Guanajuato; Col. Noria Alta S/N. Guanajuato GTO 36050 Mexico), Fax
| | - Ixone Esnal
- Departamento de Química Física; Universidad del País Vasco/EHU; Aptdo. 644 480080 Bilbao Spain), Fax
| | - Ismael Valois-Escamilla
- Departamento de Química; Universidad de Guanajuato; Col. Noria Alta S/N. Guanajuato GTO 36050 Mexico), Fax
| | - Arlette Urías-Benavides
- Departamento de Química; Universidad de Guanajuato; Col. Noria Alta S/N. Guanajuato GTO 36050 Mexico), Fax
| | - Jorge Bañuelos
- Departamento de Química Física; Universidad del País Vasco/EHU; Aptdo. 644 480080 Bilbao Spain), Fax
| | - Iñigo López Arbeloa
- Departamento de Química Física; Universidad del País Vasco/EHU; Aptdo. 644 480080 Bilbao Spain), Fax
| | | | - Eduardo Peña-Cabrera
- Departamento de Química; Universidad de Guanajuato; Col. Noria Alta S/N. Guanajuato GTO 36050 Mexico), Fax
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Hu Y, Li X, Wan B. NIS-mediated ring-closure/opening cascade reactions of allylamides: an expedient route to oxazolines. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.07.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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17
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Deshmukh A, Gore B, Thulasiram HV, Swamy VP. Recyclable ionic liquid iodinating reagent for solvent free, regioselective iodination of activated aromatic and heteroaromatic amines. RSC Adv 2015. [DOI: 10.1039/c5ra14702f] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This article describes a simple, efficient method for iodination of activated aromatic/heteroaromatic amines using BMPDCI as a recyclable ionic liquid iodinating reagent, in the absence of any solvent, base/toxic heavy metals, or oxidizing agents.
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Affiliation(s)
- Amarsinh Deshmukh
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune 411008
- India
| | - Babasaheb Gore
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune 411008
- India
| | | | - Vincent P. Swamy
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune 411008
- India
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18
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Bicciocchi E, Haeussler M, Rizzardo E, Scully AD, Ghiggino KP. An Alternating Donor–Acceptor Conjugated Polymer Based on Benzodithiophene and [3,4-c]pyrrole-4,6-dione: Synthesis, Characterization, and Application in Photovoltaic Devices. Aust J Chem 2015. [DOI: 10.1071/ch15457] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The synthesis is described of a new alternating donor–acceptor semiconducting polymer based on an N-octylthieno[3,4-c]pyrrole-4,6-dione building block together with a newly designed 2,3-bis(2-ethylhexyl)thiophenylethynyl substituted benzodithiophene (BDT). The introduction of electron-rich thiophene units to BDT raises the highest occupied molecular orbital (HOMO) level of the conjugated polymer and the concomitant reduction of the bandgap enhances the harvesting of solar radiation. This modification also introduces less sterically demanding triple bonds, thereby potentially enabling more favourable molecular interactions and an extra dimension of conjugation perpendicular to the main polymer chain. The optoelectronic properties of this new conjugated polymer were evaluated using UV-visible absorption and fluorescence spectroscopy, photoelectron spectroscopy in air, photo-induced charge extraction by linearly increasing voltage (Photo-CELIV), and density functional theory calculations. The polymer absorbs broadly in the wavelength range 300–700 nm in solution and the solid state. The estimated HOMO and LUMO levels of −5.4 and −3.6 eV, respectively, correspond to a bandgap of 1.8 eV. Photovoltaic devices fabricated using the polymer as the active layer displayed power conversion efficiencies (PCEs) of up to 1 %. Photo-CELIV results provide evidence that rapid recombination and poor charge mobility are likely contributing factors to the relatively low PCE values observed.
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Shoji T, Shimomura E, Maruyama M, Maruyama A, Ito S, Okujima T, Toyota K, Morita N. Synthesis and Properties of Azulene-Substituted Donor-Acceptor Chromophores Connected by Arylamine Cores. European J Org Chem 2013. [DOI: 10.1002/ejoc.201301006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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20
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Sang L, Wei Z, Liu K, Wang X, Song K, Wang H, Qi M. Biodegradable radiopaque iodinated poly(ester urethane)s containing poly(ε-caprolactone) blocks: synthesis, characterization, and biocompatibility. J Biomed Mater Res A 2013; 102:1121-30. [PMID: 23640806 DOI: 10.1002/jbm.a.34777] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Revised: 04/23/2013] [Accepted: 04/25/2013] [Indexed: 11/06/2022]
Abstract
Biodegradable radiopaque iodinated poly(ester-urethane) (I-PU), consisting of poly(ε-caprolactone) (PCL) diol and iodinated bisphenol A (IBPA), has been successfully synthesized via a coupling reaction of PCL-diisocyanate and IBPA with varying compositions. The IBPA with four iodine atoms per molecule was applied as a chain extender to endow the I-PUs with intrinsic X-ray visibility. The chemical structure and molecular weights of I-PUs were characterized by Fourier transform infrared spectroscopy (FT-IR), proton-nuclear magnetic resonance, and gel permeation chromatography (GPC). The effects of IBPA on the physical properties of I-PUs were systematically studied by means of differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), and wide-angle X-ray diffraction (WAXD). The DSC results showed that the crystallization of PCL segments in I-PUs was restrained with increasing amount of IBPA, which was also confirmed by WAXD. In the X-radiography analysis, all the synthesized I-PUs exhibited high radiopacity compared with an aluminum wedge of equivalent thickness. Enzymatic degradation tests showed that the incorporation of IBPA prolonged the degradation of I-PUs and distinct mass loss and degradation happened in the third month. Basic cytocompatibility conducted using rat adipose-derived cells proved that all the I-PUs and their biodegradation products were nontoxic. The radiopaque I-PUs is expected to possess a significant advantage over the traditional polymer counterparts in some related biomedical fields.
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Affiliation(s)
- Lin Sang
- School of Materials Science and Engineering, Dalian University of Technology, Dalian, 116024, China
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Motti E, Della Ca' N, Xu D, Armani S, Aresta BM, Catellani M. Competitive pathways in Pd-catalyzed synthesis of arylphenols. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.02.029] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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Seidler A, Svoboda J, Dekoj V, Chocholoušová JV, Vacek J, Stará IG, Starý I. The synthesis of π-electron molecular rods with a thiophene or thieno[3,2-b]thiophene core unit and sulfur alligator clips. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.03.084] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Shoji T, Ito S, Okujima T, Morita N. Synthesis of 2-Azulenyl-1,1,4,4-tetracyano-3-ferrocenyl-1,3-butadienes by [2+2] Cycloaddition of (Ferrocenylethynyl)azulenes with Tetracyanoethylene. Chemistry 2013; 19:5721-30. [DOI: 10.1002/chem.201202257] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2012] [Revised: 12/10/2012] [Indexed: 11/10/2022]
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Ren YL, Tian XZ, Dong C, Zhao S, Wang J, Yan M, Qi X, Liu G. A simple and effective copper catalyst for the conversion of arylboronic acids to aryl iodides at room temperature. CATAL COMMUN 2013. [DOI: 10.1016/j.catcom.2012.11.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Rajappa S, Gumaste VK. Reactivity of Thiophenes, Oligothiophenes and Benzothiophenes. ADVANCES IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1016/b978-0-12-404598-9.00001-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Synthesis of Redox-Active, Intramolecular Charge-Transfer Chromophores by the [2+2] Cycloaddition of Ethynylated 2H-Cyclohepta[b]furan-2-ones with Tetracyanoethylene. Chemistry 2011; 17:5116-29. [DOI: 10.1002/chem.201003628] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2010] [Indexed: 11/07/2022]
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