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Haratake Y, Sano K, Fujioka C, Oshima S, Munekane M, Yamasaki T, Mukai T. Chemical design of radioiodinated probes with a metabolizable linkage for target-selective imaging of systemic amyloidosis. Bioorg Med Chem 2023; 92:117426. [PMID: 37552917 DOI: 10.1016/j.bmc.2023.117426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 07/26/2023] [Indexed: 08/10/2023]
Abstract
INTRODUCTION Systemic amyloidosis is a rare disease caused by the deposition of amyloid fibrils in various organs. Amyloid-targeted radiopharmaceuticals have been developed and applied to diagnose systemic amyloidosis peripherally; however, high-contrast imaging has not been achieved because of the high background signals in normal organs. To overcome this problem, we designed an amyloid-targeted radioiodinated probe 1 with a metabolizable linkage (ester bond) to release of radiolabeled metabolites (m-iodohippuric acid) in normal organs that could be rapidly excreted in the urine. METHODS Compound 1 was synthesized by conjugating 2-(4-(methylamino)phenyl)benzo[d]thiazol-6-ol, an amyloid-targeting compound, with m-iodohippuric acid. [125I]1 was synthesized via iododestannylation using a tributyltin precursor. Mouse models of amyloid A (AA) amyloidosis, a type of systemic amyloidosis, were prepared by administering amyloid-enhancing factor to mice and used for in vitro autoradiography using organ sections and in vivo evaluation. RESULTS [125I]1 was obtained with a radiochemical yield of 59% and radiochemical purity of over 95%. An in vitro autoradiographic study demonstrated that [125I]1 specifically binds to amyloid in the splenic tissue. Upon administration to normal mice, [125I]1 was distributed to organs throughout the body, followed by the rapid excretion of radioactivity in the urine as m-[125I]iodohippuric acid. Furthermore, ex vivo autoradiography showed that [125I]1 bound to the amyloid formed around the follicles in the spleens of AA amyloidosis model mice. CONCLUSION These results suggest that the interposition of a metabolizable linkage between an amyloid-targeting moiety and a radiolabeled hippuric acid would be useful in the design of radiopharmaceuticals for high-contrast imaging of systemic amyloidosis.
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Affiliation(s)
- Yoshie Haratake
- Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Japan
| | - Kohei Sano
- Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Japan
| | - Chika Fujioka
- Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Japan
| | - Satsuki Oshima
- Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Japan
| | - Masayuki Munekane
- Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Japan; Laboratory of Clinical Analytical Sciences, Graduate School of Medical Sciences, Kanazawa University, Japan
| | - Toshihide Yamasaki
- Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Japan
| | - Takahiro Mukai
- Laboratory of Biophysical Chemistry, Kobe Pharmaceutical University, Japan.
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Lungu L, Cucicova C, Blaja S, Ciocarlan A, Dragalin I, Barba A, Vornicu N, Geana EI, Mangalagiu II, Aricu A. Synthesis of Homodrimane Sesquiterpenoids Bearing 1,3-Benzothiazole Unit and Their Antimicrobial Activity Evaluation. Molecules 2022; 27:molecules27165082. [PMID: 36014322 PMCID: PMC9414590 DOI: 10.3390/molecules27165082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/02/2022] [Accepted: 08/07/2022] [Indexed: 12/01/2022] Open
Abstract
Based on some homodrimane carboxylic acids and their acyl chlorides, a series of fourteen 2-homodrimenyl-1,3-benzothiazoles, N-homodrimenoyl-2-amino-1,3-benzothiazoles, 4′-methyl-homodrimenoyl anilides and 4′-methyl-homodrimenthioyl anilides were synthesized and their biological activities were evaluated on five species of fungi (Aspergillus niger, Fusarium solani, Penicillium chrysogenum, P. frequentans, and Alternaria alternata) and two strains of bacteria (Bacillus sp. and Pseudomonas aeruginosa). The synthesis involved the decarboxylative cyclization, condensation and thionation of the said acids, anhydrides or their derivatives with 2-aminothiophenol, 2-aminobenzothiazole, p-toluidine and Lawesson’s reagent. As a result, together with the desired compounds, some unexpected products 8, 25, and 27 were obtained, and the structures and mechanisms for their formation have been proposed. Compounds 4, 9, and 25 showed higher antifungal and antibacterial activity compared to the standards caspofungin (MIC = 1.5 μg/mL) and kanamycin (MIC = 3.0 μg/mL), while compound 8 had comparable activities. In addition, compounds 6, 17, and 27 showed selective antifungal activity at MIC = 2.0, 0.25, and 1.0 μg/mL, respectively.
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Affiliation(s)
- Lidia Lungu
- Chemistry of Natural and Biologically Active Compounds Laboratory, Institute of Chemistry, 3 Academiei Str., MD-2028 Chisinau, Moldova
| | - Caleria Cucicova
- Chemistry of Natural and Biologically Active Compounds Laboratory, Institute of Chemistry, 3 Academiei Str., MD-2028 Chisinau, Moldova
| | - Svetlana Blaja
- Chemistry of Natural and Biologically Active Compounds Laboratory, Institute of Chemistry, 3 Academiei Str., MD-2028 Chisinau, Moldova
| | - Alexandru Ciocarlan
- Chemistry of Natural and Biologically Active Compounds Laboratory, Institute of Chemistry, 3 Academiei Str., MD-2028 Chisinau, Moldova
| | - Ion Dragalin
- Chemistry of Natural and Biologically Active Compounds Laboratory, Institute of Chemistry, 3 Academiei Str., MD-2028 Chisinau, Moldova
| | - Alic Barba
- Chemistry of Natural and Biologically Active Compounds Laboratory, Institute of Chemistry, 3 Academiei Str., MD-2028 Chisinau, Moldova
| | - Nicoleta Vornicu
- Metropolitan Center of Research T.A.B.O.R., 9 Closca Str., RO-700066 Iasi, Romania
| | - Elisabeta-Irina Geana
- National Research and Development Institute for Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 4th Uzinei Str., P.O. Box 7, 240050 Ramnicu Valcea, Romania
| | - Ionel I. Mangalagiu
- Faculty of Chemistry, ‘‘Alexandru Ioan Cuza’’ University of Iasi, 11 Carol Bd., RO-700506 Iasi, Romania
| | - Aculina Aricu
- Chemistry of Natural and Biologically Active Compounds Laboratory, Institute of Chemistry, 3 Academiei Str., MD-2028 Chisinau, Moldova
- Correspondence: or
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Qadir T, Amin A, Salhotra A, Sharma PK, Jeelani I, Abe H. Recent advances in the synthesis of benzothiazole and its derivatives. CURR ORG CHEM 2021. [DOI: 10.2174/1385272826666211229144446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
Benzothiazoles have recognized pharmacophores in the field of research, predominantly in synthetic and medicinal chemistry, on account of their significant pharmaceutical properties. This important class of derivatives endows an extensive range of biological activities like anti-inflammatory, antidiabetic, anticancer, anticonvulsant, antibacterial, antiviral, antioxidant, antituberculosis, enzyme inhibitors, etc. Hence, various methodologies have been accomplished to synthesize benzothiazole compounds considering the purity, yield, and selectivity of the products. This review provides different reaction methods that are involved in the synthesis of a variety of benzothiazole derivatives.
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Affiliation(s)
- Tanzeela Qadir
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Andleeb Amin
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Alka Salhotra
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Praveen Kumar Sharma
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Ishtiaq Jeelani
- Graduate School of Innovative Life Science, University of Toyama, 3190 Gofuku 930-8555, Japan
| | - Hitoshi Abe
- Faculty of Engineering, University of Toyama, 3190 Gofuku 930-8555, Japan
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Benzothiazoles from Condensation of o-Aminothiophenoles with Carboxylic Acids and Their Derivatives: A Review. Molecules 2021; 26:molecules26216518. [PMID: 34770926 PMCID: PMC8587170 DOI: 10.3390/molecules26216518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/14/2021] [Accepted: 10/21/2021] [Indexed: 01/27/2023] Open
Abstract
Nowadays, organic chemists are interested in the field of heterocyclic chemistry due to its use in the synthesis of a great variety of biologically active compounds. Heterocyclic compounds are widely found in nature and are essential for life. Among these, some natural nitrogen containing heterocyclic compounds have been used as chemotherapeutic agents. Their attachment to sugar molecules either as thioglycosides or as nucleosides analogues plays an important role in vital biological processes as well as in synthetic organic chemistry. Molecules containing benzothiazole (BT) nuclei are of this interesting class of compounds because some of them have been found to have a wide variety of biological activities. In this sense, we selected this topic to review and to then summarize the procedures related to the condensation reactions of o-aminothiophenoles (ATPs) as well as their disulfides with carboxylic acids, esters, orthoesters, acyl chlorides, amides, and nitriles. The condensation reactions with carbon dioxide (CO2) are included. Conventional methods with the use of acid and metal catalysts as well as recent green techniques, such as microwave irradiation, the use of ionic liquids, and ultrasound (US) chemistry, which have proven to have many advantages, were found in the review.
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Sethiya A, Sahiba N, Teli P, Soni J, Agarwal S. Current advances in the synthetic strategies of 2-arylbenzothiazole. Mol Divers 2020; 26:513-553. [PMID: 33180241 DOI: 10.1007/s11030-020-10149-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/12/2020] [Indexed: 02/06/2023]
Abstract
Benzothiazole is a privileged scaffold in the field of synthetic and medicinal chemistry. Its derivatives and metal complexes possess a gamut of pharmacological properties and high degree of structural diversity that has proven it vital for the investigation for novel therapeutics. The 2nd position of benzothiazole is the most active site that makes 2-arylbenzothiazole as felicitous scaffolds in pharmaceutical chemistry. The extensive significance of benzo-fused heterocyclic moieties formation has led to broad and valuable different approaches for their synthesis. This review deals with the synthetic approaches developed so far for the synthesis of 2-arylbenzothiazoles. Moreover, this article abridges the publications devoted to the synthesis of this moiety over the last 6 years. This study gives a current precis of research on the fabrication of 2-arylbenzothiazoles through different synthetic pathways and shall be helpful for researchers and scientists who are working in this field to make more potent biologically active benzothiazole-based drugs.
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Affiliation(s)
- Ayushi Sethiya
- Department of Chemistry, Synthetic Organic Chemistry Laboratory, MLSU, Udaipur, 313001, India
| | - Nusrat Sahiba
- Department of Chemistry, Synthetic Organic Chemistry Laboratory, MLSU, Udaipur, 313001, India
| | - Pankaj Teli
- Department of Chemistry, Synthetic Organic Chemistry Laboratory, MLSU, Udaipur, 313001, India
| | - Jay Soni
- Department of Chemistry, Synthetic Organic Chemistry Laboratory, MLSU, Udaipur, 313001, India
| | - Shikha Agarwal
- Department of Chemistry, Synthetic Organic Chemistry Laboratory, MLSU, Udaipur, 313001, India.
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Stremski Y, Kirkova D, Statkova-Abeghe S, Angelov P, Ivanov I, Georgiev D. Synthesis and antibacterial activity of hydroxylated 2-arylbenzothiazole derivatives. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1791342] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Yordan Stremski
- Department of Organic Chemistry, University of Plovdiv “Paisii Hilendarski”, Plovdiv, Bulgaria
| | - Desislava Kirkova
- Department of Organic Chemistry, University of Plovdiv “Paisii Hilendarski”, Plovdiv, Bulgaria
- Tobacco and Tobacco Products Institute, Chemistry of Tobacco and Tobacco Smoke, Markovo, Plovdiv, Bulgaria
| | - Stela Statkova-Abeghe
- Department of Organic Chemistry, University of Plovdiv “Paisii Hilendarski”, Plovdiv, Bulgaria
| | - Plamen Angelov
- Department of Organic Chemistry, University of Plovdiv “Paisii Hilendarski”, Plovdiv, Bulgaria
| | - Iliyan Ivanov
- Department of Organic Chemistry, University of Plovdiv “Paisii Hilendarski”, Plovdiv, Bulgaria
| | - Danail Georgiev
- Department of Biochemistry and Microbiology, University of Plovdiv “Paisii Hilendarski”, Plovdiv, Bulgaria
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Gao X, Liu J, Zuo X, Feng X, Gao Y. Recent Advances in Synthesis of Benzothiazole Compounds Related to Green Chemistry. Molecules 2020; 25:E1675. [PMID: 32260500 PMCID: PMC7181030 DOI: 10.3390/molecules25071675] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/02/2020] [Accepted: 04/02/2020] [Indexed: 12/28/2022] Open
Abstract
Benzothiazoles have played an important role in the field of biochemistry and medicinal chemistry due to their highly pharmaceutical and biological activity. The development of synthetic processes is undoubtedly one of the most significant problems facing researchers. In this review paper, we provided recent advances in the synthesis of benzothiazole compounds related to green chemistry from condensation of 2-aminobenzenethiol with aldehydes/ketones/acids/acyl chlorides and the cyclization of thioamide or carbon dioxide (CO2) as raw materials, and the future development trend and prospect of the synthesis of benzothiazoles were anticipated.
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Affiliation(s)
- Xiang Gao
- College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, China; (J.L.); (X.Z.); (X.F.)
| | - Jiao Liu
- College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, China; (J.L.); (X.Z.); (X.F.)
| | - Xin Zuo
- College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, China; (J.L.); (X.Z.); (X.F.)
| | - Xinyue Feng
- College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710054, China; (J.L.); (X.Z.); (X.F.)
| | - Ying Gao
- Department of Teaching Quality Evaluation, Yan’an University, Yan’an 716000, China
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Yu Q, Kumata K, Li H, Zhang Y, Chen Z, Zhang X, Shao T, Hatori A, Yamasaki T, Xie L, Hu K, Wang G, Josephson L, Sun S, Zhang MR, Liang SH. Synthesis and evaluation of 6-( 11C-methyl(4-(pyridin-2-yl)thiazol-2-yl)amino)benzo[d]thiazol-2(3H)-one for imaging γ-8 dependent transmembrane AMPA receptor regulatory protein by PET. Bioorg Med Chem Lett 2020; 30:126879. [PMID: 31879207 DOI: 10.1016/j.bmcl.2019.126879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 11/27/2019] [Accepted: 11/30/2019] [Indexed: 10/25/2022]
Abstract
Transmembrane AMPA receptor regulatory proteins (TARPs) are a recently discovered family of proteins that modulate AMPA receptors activity. Based on a potent and selective TARP subtype γ-8 antagonist, 6-(methyl(4-(pyridin-2-yl)thiazol-2-yl)amino)benzo[d]thiazol-2(3H)-one (compound 9), we perform the radiosynthesis of its 11C-isotopologue 1 and conduct preliminary PET evaluation to test the feasibility of imaging TARP γ-8 dependent receptors in vivo.
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Affiliation(s)
- Qingzhen Yu
- Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, United States
| | - Katsushi Kumata
- Department of Radiopharmaceutics Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
| | - Hua Li
- Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, United States
| | - Yiding Zhang
- Department of Radiopharmaceutics Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
| | - Zhen Chen
- Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, United States
| | - Xiaofei Zhang
- Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, United States
| | - Tuo Shao
- Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, United States
| | - Akiko Hatori
- Department of Radiopharmaceutics Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
| | - Tomoteru Yamasaki
- Department of Radiopharmaceutics Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
| | - Lin Xie
- Department of Radiopharmaceutics Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
| | - Kuan Hu
- Department of Radiopharmaceutics Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan
| | - Gangqiang Wang
- Hubei Collaborative Innovation Centre for Non-power Nuclear Technology, College of Nuclear Technology & Chemistry and Biology, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Lee Josephson
- Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, United States
| | - Shaofa Sun
- Hubei Collaborative Innovation Centre for Non-power Nuclear Technology, College of Nuclear Technology & Chemistry and Biology, Hubei University of Science and Technology, Xianning 437100, PR China.
| | - Ming-Rong Zhang
- Department of Radiopharmaceutics Development, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Chiba 263-8555, Japan.
| | - Steven H Liang
- Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA 02114, United States.
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Duarte LGTA, Germino JC, Berbigier JF, Barboza CA, Faleiros MM, de Alencar Simoni D, Galante MT, de Holanda MS, Rodembusch FS, Atvars TDZ. White-light generation from all-solution-processed OLEDs using a benzothiazole–salophen derivative reactive to the ESIPT process. Phys Chem Chem Phys 2019; 21:1172-1182. [DOI: 10.1039/c8cp06485g] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
ESIPT for white-light generation from all-solution-processed OLEDs.
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Affiliation(s)
| | | | - Jônatas Faleiro Berbigier
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul
- Porto Alegre
- Brazil
| | | | | | | | | | | | - Fabiano Severo Rodembusch
- Grupo de Pesquisa em Fotoquímica Orgânica Aplicada
- Universidade Federal do Rio Grande do Sul
- Porto Alegre
- Brazil
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