1
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Sharma J, Mishra P, Bhadoria J. 2-aminophenol as a leading reactant for the one pot synthetic strategies towards benzoxazole derivatives: A systematic review. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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2
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Wu Q, Deng Z, Xie D, Liu Y, Yang Q, Fu Y, Peng Y. Aminothiolation of 2-(2-bromophenyl)quinazolinones with elemental sulfur to access 7H-benzo[4,5]isothiazolo[3,2-b]quinazolinones through C–S/S–N bond formation under metal-free condition. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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3
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Muhammed MT, Kuyucuklu G, Kaynak-Onurdag F, Aki-Yalcin E. Synthesis, Antimicrobial Activity, and Molecular Modeling Studies of
Some Benzoxazole Derivatives. LETT DRUG DES DISCOV 2022. [DOI: 10.2174/1570180819666220408133643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
The need to develop novel antimicrobial agents is apparent as infectious diseases
are increasing and resistance is rapidly developing against the drugs used in the treatment.
Objective:
This study aimed at the synthesis, antimicrobial susceptibility testing, and computational elucidation
of the mechanism of action of benzoxazole derivatives. It also aimed to compare the results obtained
in this study with the previous studies by our group. This would pave the way for designing novel
molecules with better antimicrobial activity. The other goal was pharmacophore analysis and in silico
ADMET analysis of them.
Methods:
In this study, synthesis, antimicrobial susceptibility testing, molecular docking, pharmacophore
analysis, and ADMET prediction were carried out.
Results:
The antimicrobial activity studies demonstrated that the synthesized compounds were active
against standard strains and clinical isolates at high concentrations. Then, the antimicrobial testing results
were compared to similar benzoxazoles tested by our group previously. Benzoxazole derivatives without
a methylene bridge between oxazole and phenyl ring were found to be more active than those with the
methylene bridge. This was also confirmed by molecular modeling undertaken in this study. The computational
results indicated that the antibacterial activity could be achieved by DNA gyrase inhibition.
Pharmacophore analysis showed that hydrogen bond acceptor (HBA), hydrogen bond donor (HBD), and
hydrophobicity features would contribute to the inhibition. In addition, in silico ADMET property investigation
of the compounds exhibited that they had the desired pharmacokinetics.
Conclusion:
Although antibacterial activity by inhibiting DNA gyrase is selective, the synthesized compounds
were active at much higher concentrations than the standards. Therefore, in prospective antimicrobial
studies, it is better to focus on benzoxazole derivatives without the methylene bridge. Since the
compounds had suitable in silico ADMET properties, screening them against the other pharmacologic
activities should be carried out. It is recommended to support the molecular modeling results with in vitro
or in vivo studies.
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Affiliation(s)
- Muhammed Tilahun Muhammed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Suleyman Demirel University, Isparta, Turkey
- Department of Basic Biotechnology, Institute of Biotechnology, Ankara University, Ankara, Turkey
| | - Gulcan Kuyucuklu
- Department of Medical Microbiology, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Fatma Kaynak-Onurdag
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Trakya University, Edirne, Turkey
| | - Esin Aki-Yalcin
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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4
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Sireesha R, Tej MB, Poojith N, Sreenivasulu R, Musuluri M, Subbarao M. Synthesis of Substituted Aryl Incorporated Oxazolo[4,5-b]Pyridine-Triazole Derivatives: Anticancer Evaluation and Molecular Docking Studies. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.2021256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Reddymasu Sireesha
- Department of Chemistry, Acharya Nagarjuna University, Guntur, Andhra Pradesh, India
| | - Mandava Bhuvan Tej
- Department of Pharmacy, Sri Ramachandra Institute of Higher Education and Research, Porur, Chennai, Tamilnadu, India
| | | | - Reddymasu Sreenivasulu
- Department of Chemistry, University College of Engineering (Autonomous), Jawaharlal Nehru Technological University, Kakinada, Andhra Pradesh, India
| | - Murali Musuluri
- Department of Chemistry, RVR & JC College of Engineering, Guntur, Andhra Pradesh, India
| | - Mannam Subbarao
- Department of Chemistry, Acharya Nagarjuna University, Guntur, Andhra Pradesh, India
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5
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Temiz-Arpaci O, Zeyrek CT, Arisoy M, Erol M, Celik I, Kaynak-Onurdag F. Synthesis, quantum mechanical calculations, antimicrobial activities and molecular docking studies of five novel 2,5-disubstituted benzoxazole derivatives. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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6
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Zeyrek CT, Arpacı ÖT, Arısoy M, Onurdağ FK. Synthesis, antimicrobial activity, density functional modelling and molecular docking with COVID-19 main protease studies of benzoxazole derivative: 2-(p-chloro-benzyl)-5-[3-(4-ethly-1-piperazynl) propionamido]-benzoxazole. J Mol Struct 2021; 1237:130413. [PMID: 33846658 PMCID: PMC8026219 DOI: 10.1016/j.molstruc.2021.130413] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 02/20/2021] [Accepted: 03/30/2021] [Indexed: 12/28/2022]
Abstract
This study contains synthesis, antimicrobial activity, density functional modelling and molecular docking studies of benzoxazole derivative: 2-(p-chloro-benzyl)-5-[3-(4-ethly-1-piperazynl) propionamido]-benzoxazole. The synthetic procedure of investigated compound is given in detail. The newly synthesized benzoxazole compound and standard drugs were evaluated for their antimicrobial activity against some Gram-positive, Gram-negative bacteria and fungus C. albicans and their drug-resistant isolates. The benzoxazole compound has been characterized by using 1H-NMR, IR and MASS spectrometry and elemental analysis techniques. The molecular structure of the compound in the ground state has been modelling using density functional theory (DFT) with B3LYP/6-311++g(d,p) level. The molecular docking of 2-(p-chloro-benzyl)-5-[3-(4-ethly-1-piperazynl) propionamido]-benzoxazole with COVID-19 main protease has been also performed by using optimized geometry and the experimentally determined dimensional structure of the main protease (M-pro) of COVID-19.
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Affiliation(s)
- Celal Tuğrul Zeyrek
- Department of Academy and Publications, Turkish Energy, Nuclear and Mining Research Instution, TR-06100, Beşevler, Ankara, Turkey
| | - Özlem Temiz Arpacı
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, TR-06100, Beşevler, Ankara, Turkey
| | - Mustafa Arısoy
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Ankara University, TR-06100, Beşevler, Ankara, Turkey
| | - Fatma Kaynak Onurdağ
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Trakya University, TR-22030, Edirne, Turkey
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7
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Guzow K, Mulkiewicz E, Obuchowski M, Wiczk W. Biological activity of 3-(2-benzoxazol-5-yl)alanine derivatives. Amino Acids 2021; 53:1257-1268. [PMID: 34240252 PMCID: PMC8325670 DOI: 10.1007/s00726-021-03030-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 06/25/2021] [Indexed: 01/04/2023]
Abstract
Searching for new drugs is still a challenge for science, mainly because of civilization development and globalization which promote the rapid spread of diseases, which is particularly dangerous in the case of infectious ones. Moreover, readily available already known antibiotics are often overused or misused, possibly contributing to the increase in the number of multidrug-resistant microorganisms. A consequence of this is the need for new structures of potential drugs. One of them is a benzoxazole moiety, a basic skeleton of a group of fluorescent heterocyclic compounds already widely used in chemistry, industry, and medicine, which is also present in naturally occurring biologically active compounds. Moreover, synthetic benzoxazoles are also biologically active. Considering all of that, a large group of non-proteinogenic amino acids based on 3-(2-benzoxazol-5-yl)alanine skeleton was studied in search for new antimicrobial and anticancer agents. Screening tests revealed that antibacterial potential of 41 compounds studied is not very high; however, they are selective acting only against Gram-positive bacteria (B. subtilis). Moreover, almost half of the studied compounds have antifungal properties, also against pathogens (C. albicans). Most of studied compounds are toxic to both normal and cancer cells. However, in a few cases, toxicity to normal cells is much lower than for cancer cells indicating these compounds as future anticancer agents. The research carried out on such a large group of compounds allowed to establish a structure–activity relationship which enables to select candidates for further modifications, necessary to improve their biological activity and obtain a new lead structure with potential for therapeutic use.
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Affiliation(s)
- Katarzyna Guzow
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, Gdańsk, 80-308, Poland.
| | - Ewa Mulkiewicz
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, Gdańsk, 80-308, Poland
| | - Michał Obuchowski
- Laboratory of Molecular Bacteriology, Intercollegiate Faculty of Biotechnology, Medical University of Gdańsk, Dębinki 1, Gdańsk, 80-211, Poland
| | - Wiesław Wiczk
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, Gdańsk, 80-308, Poland
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8
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Bujji S, E PK, Sivan SK, Dh M, N J P S. Design, Synthesis, Anticancer Evaluation, and Molecular Docking Studies of Novel Benzoxazole Linked 1,3,4-Oxadiazoles. Anticancer Agents Med Chem 2021; 22:933-942. [PMID: 34229589 DOI: 10.2174/1871520621666210706120203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/18/2021] [Accepted: 04/12/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Cancer disease is making a serious concern globally. Global cancer occurrence is steadily increasing every year. There is always a persistent need to develop new anticancer drugs with reduced side effects or act synergistically with the existing chemotherapeutics. OBJECTIVE Benzoxazoles are fused bicyclic nitrogen and oxygen-containing heterocyclic compounds and are considered biologically privileged scaffolds. We designed a synthetic route to link the benzoxazoles with oxadiazoles resulting in a better pharmacophore for anticancer activity. METHODS A series of novel amide derivatives of benzoxazole linked 1,3,4-oxadiazoles (10a-j) were synthesized and characterized by 1H NMR, 13C NMR, and mass spectroscopic techniques. The biological properties of the compounds were screened in vitro against four different tumor cell lines. RESULTS The results suggest that the compound 10b having 3,4,5-trimethoxy substitution on the phenyl ring exhibited potent anticancer activity in three cell lines (A549 = 0.13 ± 0.014 µM, MCF-7 = 0.10 ± 0.013 µM and HT-29 = 0.22 ± 0.017 µM). Notably, among the synthesized derivatives, compounds 10b, 10c, 10f, 10g, and 10i exhibited potent anticancer activity than the control IC50 in the range of 0.11 ± 0.02 to 0.93 ± 0.034 µM. Molecular docking simulation results showed compounds were stabilized by hydrogen bond and π-π interactions with the protein. CONCLUSION The molecules showed comparable binding affinities with standard Combretastatin-A4. The present research work is preliminary and needs further studies to take the synthesized compounds to the next level in the cancer research field.
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Affiliation(s)
- Sushmitha Bujji
- Department of Pharmaceutical Chemistry, University College of Technology, Osmania University, Hyderabad, Telangana-500007, India
| | - Praveen Kumar E
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Telangana-500 007, India
| | - Sree Kanth Sivan
- Department of Chemistry, Nizam College, Basheerbagh, Hyderabad, India -500001, India
| | - Manjunatha Dh
- Department of Chemistry, Davangere University, Shivagangothri, Davangere-577 002, India
| | - Subhashini N J P
- Department of Pharmacy, & Department of Chemistry, University College of Science, Osmania University, Hyderabad, Telangana-500 007, India
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9
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New Benzoxazole Derivatives as Antiprotozoal Agents: In Silico Studies, Synthesis, and Biological Evaluation. J CHEM-NY 2021. [DOI: 10.1155/2021/6631868] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background. Benzoxazole derivatives have different biological activities. In pursuit of designing novel chemical entities with antiprotozoal and antimicrobial activities, benzoxazolyl aniline was utilized as a privileged scaffold of a series of (3-benzoxazole-2-yl) phenylamine derivatives, 3-benzoxazoloyl acetamide, and butyramide derivatives. Methods. These novel analogs were synthesized in straightforward simple chemistry without any quantitative chromatographic separations in reasonable yields. The biological evaluation of all target compounds as potential antimalarial, antileishmanial, antitrypanosomal, and antimicrobial agents was performed by various well-established cell-based methods. Results. Compounds 6d and 5a showed promising biological screening data. The amidation of 3-benzoxazolyl aniline 1 with the chloroacetyl functional group resulted in a good antimalarial activity and showed moderate inhibitory activities against leishmanial and trypanosomal spp. Moreover, chloroacetyl functionalization of benzoxazolyl aniline serves as a good early goal for constructing and synthesizing new antimicrobial and antiprotozoal agents. The molecular docking study rationalizes the relative inhibitory activity of compound 5a as an antimalarial agent with the deregulation of PfPNP activity which has emerged as a major mechanism of these targets.
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10
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George S, Sreekumar K. Heterogeneous palladium (II)‐complexed dendronized polymer: A rare palladium catalyst for the one‐pot synthesis of 2‐arylbenzoxazoles. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.6083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Smitha George
- Department of Applied Chemistry Cochin University of Science and Technology Kochi India
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11
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Importance of Fluorine in Benzazole Compounds. Molecules 2020; 25:molecules25204677. [PMID: 33066333 PMCID: PMC7587361 DOI: 10.3390/molecules25204677] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/15/2020] [Accepted: 09/18/2020] [Indexed: 12/31/2022] Open
Abstract
Fluorine-containing heterocycles continue to receive considerable attention due to their unique properties. In medicinal chemistry, the incorporation of fluorine in small molecules imparts a significant enhancement their biological activities compared to non-fluorinated molecules. In this short review, we will highlight the importance of incorporating fluorine as a basic appendage in benzothiazole and benzimidazole skeletons. The chemistry and pharmacological activities of heterocycles containing fluorine during the past years are compiled and discussed.
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12
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Ravinaik B, Ramachandran D, Rao MVB. Synthesis and Anticancer Evaluation of Amide Derivatives of 1,3,4-Oxadiazole Linked with Benzoxazole. RUSS J GEN CHEM+ 2019. [DOI: 10.1134/s1070363219050219] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Zhang J, Qiao M, Chen L, Dong Y, Jiao C, Liao S, Wu Y. Thiol substrate-promoted dehydrogenative cyclization of arylmethyl thiols with ortho-substituted amines: a universal approach to heteroaromatic compounds. Org Chem Front 2019. [DOI: 10.1039/c9qo00554d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A thiol substrate-promoted one-pot synthesis of a library of heteroaromatic compounds was developed.
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Affiliation(s)
- Jinli Zhang
- Henan Key Laboratory of Chemical Biology and Organic Chemistry Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
- P.R. China
- College of Chemistry and Molecular Engineering
| | - Mengjun Qiao
- Henan Key Laboratory of Chemical Biology and Organic Chemistry Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Ling Chen
- Henan Key Laboratory of Chemical Biology and Organic Chemistry Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yibo Dong
- Henan Key Laboratory of Chemical Biology and Organic Chemistry Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Chengkang Jiao
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Shengqi Liao
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Yangjie Wu
- Henan Key Laboratory of Chemical Biology and Organic Chemistry Key Laboratory of Applied Chemistry of Henan Universities
- Zhengzhou University
- Zhengzhou
- P.R. China
- College of Chemistry and Molecular Engineering
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14
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Jiang J, Li G, Zhang F, Xie H, Deng GJ. Aniline ortho
C−H Sulfuration/Cyclization with Elemental Sulfur for Efficient Synthesis of 2-Substituted Benzothiazoles under Metal-Free Conditions. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701560] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jingjing Jiang
- 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, X; iangtan 411105 People's Republic of China
| | - Guozheng Li
- 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, X; iangtan 411105 People's Republic of 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, X; iangtan 411105 People's Republic of China
- College of Science; Hunan Agricultural University; Changsha 410128 People's Republic of China
| | - Hao Xie
- 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, X; iangtan 411105 People's Republic of 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, X; iangtan 411105 People's Republic of China
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15
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Nguyen TB, Retailleau P. Elemental Sulfur-Promoted Oxidative Rearranging Coupling between o-Aminophenols and Ketones: A Synthesis of 2-Alkyl benzoxazoles under Mild Conditions. Org Lett 2017; 19:3887-3890. [DOI: 10.1021/acs.orglett.7b01775] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Thanh Binh Nguyen
- Institut de Chimie des Substances
Naturelles, CNRS UPR 2301, Université Paris-Sud, Université
Paris-Saclay, 1, avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Pascal Retailleau
- Institut de Chimie des Substances
Naturelles, CNRS UPR 2301, Université Paris-Sud, Université
Paris-Saclay, 1, avenue de la Terrasse, 91198 Gif-sur-Yvette, France
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16
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Li G, Jiang J, Zhang F, Xiao F, Deng GJ. Elemental sulfur mediated 2-substituted benzothiazole formation from 2-aminobenzenethiols and arylacetylenes or styrenes under metal-free conditions. Org Biomol Chem 2017; 15:10024-10028. [DOI: 10.1039/c7ob02430d] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
2-Substituted-benzothiazole derivatives were selectively prepared from 2-aminothiophenols and arylacetylenes or styrenes using elemental sulfur as the efficient oxidant.
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Affiliation(s)
- Guozheng Li
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education
- College of Chemistry
- Xiangtan University
- Xiangtan 411105
| | - Jingjing Jiang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education
- College of Chemistry
- Xiangtan University
- Xiangtan 411105
| | - 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 411105
| | - 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 411105
| | - Guo-Jun Deng
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province
- Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education
- College of Chemistry
- Xiangtan University
- Xiangtan 411105
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17
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Zhang W, Liu J, Macho JM, Jiang X, Xie D, Jiang F, Liu W, Fu L. Design, synthesis and antimicrobial evaluation of novel benzoxazole derivatives. Eur J Med Chem 2017; 126:7-14. [DOI: 10.1016/j.ejmech.2016.10.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Revised: 10/03/2016] [Accepted: 10/05/2016] [Indexed: 11/26/2022]
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18
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Zaater S, Bouchoucha A, Djebbar S, Brahimi M. Structure, vibrational analysis, electronic properties and chemical reactivity of two benzoxazole derivatives: Functional density theory study. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2016.06.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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19
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Singh S, Veeraswamy G, Bhattarai D, Goo JI, Lee K, Choi Y. Recent Advances in the Development of Pharmacologically Active Compounds that Contain a Benzoxazole Scaffold. ASIAN J ORG CHEM 2015. [DOI: 10.1002/ajoc.201500235] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sarbjit Singh
- College of Pharmacy; Dongguk University-Seoul; Republic of Korea
| | - Gajulapati Veeraswamy
- College of Life Science and Biotechnology; Korea University-Seoul; Republic of Korea
| | - Deepak Bhattarai
- College of Pharmacy; Dongguk University-Seoul; Republic of Korea
| | - Ja-Il Goo
- College of Life Science and Biotechnology; Korea University-Seoul; Republic of Korea
| | - Kyeong Lee
- College of Pharmacy; Dongguk University-Seoul; Republic of Korea
| | - Yongseok Choi
- College of Life Science and Biotechnology; Korea University-Seoul; Republic of Korea
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20
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Bouchoucha A, Terbouche A, Bourouina A, Djebbar S. New complexes of manganese (II), nickel (II) and copper (II) with derived benzoxazole ligands: Synthesis, characterization, DFT, antimicrobial activity, acute and subacute toxicity. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2014.04.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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21
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Kumar BS, Dhakshinamoorthy A, Pitchumani K. K10 montmorillonite clays as environmentally benign catalysts for organic reactions. Catal Sci Technol 2014. [DOI: 10.1039/c4cy00112e] [Citation(s) in RCA: 125] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This perspective summarizes the catalytic activity of K10 montmorillonite as a multifunctional catalyst for organic reactions.
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Affiliation(s)
| | - Amarajothi Dhakshinamoorthy
- School of Chemistry
- Madurai Kamaraj University
- Madurai 625021, India
- Centre for Green Chemistry Processes
- School of Chemistry
| | - Kasi Pitchumani
- School of Chemistry
- Madurai Kamaraj University
- Madurai 625021, India
- Centre for Green Chemistry Processes
- School of Chemistry
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22
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Suresh D, Dhakshinamoorthy A, Pitchumani K. A green route for the synthesis of 2-substituted benzoxazole derivatives catalyzed by Al3+-exchanged K10 clay. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.09.039] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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23
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Zhang W, Liu W, Jiang X, Jiang F, Zhuang H, Fu L. Design, synthesis and antimicrobial activity of chiral 2-(substituted-hydroxyl)-3-(benzo[d]oxazol-5-yl)propanoic acid derivatives. Eur J Med Chem 2011; 46:3639-50. [DOI: 10.1016/j.ejmech.2011.05.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2011] [Revised: 05/12/2011] [Accepted: 05/13/2011] [Indexed: 11/17/2022]
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Fan X, He Y, Wang Y, Zhang X, Wang J. An Efficient Synthesis of 2-Substituted Benzoxazoles via RuCl3·3H2O Catalyzed Tandem Reactions in Ionic Liquid. CHINESE J CHEM 2011. [DOI: 10.1002/cjoc.201190156] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kruszynski R, Trzesowska-Kruszynska A. Halogen, hydrogen and electrostatic interactions in 2-amino-5-chloro-1,3-benzoxazol-3-ium nitrate and 2-amino-5-chloro-1,3-benzoxazol-3-ium perchlorate. Acta Crystallogr C 2010; 66:o449-54. [DOI: 10.1107/s0108270110029008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2010] [Accepted: 07/20/2010] [Indexed: 11/10/2022] Open
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Tao K, Zheng J, Liu Z, Shen W, Zhang J. Facile synthesis of benzoxazoles from 1,1-dibromoethenes. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.04.071] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jiang J, Tang X, Dou W, Zhang H, Liu W, Wang C, Zheng J. Synthesis and characterization of the ligand based on benzoxazole and its transition metal complexes: DNA-binding and antitumor activity. J Inorg Biochem 2010; 104:583-91. [DOI: 10.1016/j.jinorgbio.2010.01.011] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2009] [Revised: 01/19/2010] [Accepted: 01/29/2010] [Indexed: 11/27/2022]
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Alper-Hayta S, Arisoy M, Temiz-Arpaci Ö, Yildiz I, Aki E, Özkan S, Kaynak F. Synthesis, antimicrobial activity, pharmacophore analysis of some new 2-(substitutedphenyl/benzyl)-5-[(2-benzofuryl)carboxamido]benzoxazoles. Eur J Med Chem 2008; 43:2568-78. [DOI: 10.1016/j.ejmech.2007.12.019] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2007] [Revised: 12/07/2007] [Accepted: 12/12/2007] [Indexed: 11/16/2022]
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Arisoy M, Temiz-Arpaci O, Yildiz I, Kaynak-Onurdag F, Aki E, Yalcin I, Abbasoglu U. Synthesis, antimicrobial activity and QSAR studies of 2,5-disubstituted benzoxazoles. SAR AND QSAR IN ENVIRONMENTAL RESEARCH 2008; 19:589-612. [PMID: 18853304 DOI: 10.1080/10629360802348738] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
In this study, a new series of 2,5-disubstituted benzoxazoles was synthesized and their structures were elucidated by elemental analysis, MASS, (1)H-NMR, (13)C-NMR and IR spectral data. Newly and previously synthesized 2,5-disubstituted benzoxazole derivatives were evaluated for antibacterial and antifungal activity against standard strains and their drug-resistant isolates. Microbiological results showed that the compounds presented a large spectrum of activity having MIC values of 250-7.8 microg mL(-1) against the tested microorganisms. Among the newly synthesized derivatives 3-22, compound 11 was the most active against Candida krusei out of all; however, it was one dilution less potent than standard drug fluconazole. In addition, all the new and previous compounds were more active than standard drugs ampicillin trihydrate and rifampicin against Pseudomonas aeruginosa and its gentamicin-resistant isolate. The 2D-QSAR (Quantitative Structure-Activity Relationship) analysis of a set of newly and previously synthesized benzoxazoles tested for growth inhibitory activity against methicillin-resistant Staphylococcus aureus (MRSA) was also performed by using multivariable regression analysis. The activity contributions for substituent effects of these compounds were determined from the correlation equation for predictions of the lead optimization.
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Affiliation(s)
- M Arisoy
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Ankara University, Ankara, Turkey
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