1
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Chu C, Liu Y, Mao M, Wang D, Liu J, Wei H, Yu M, Cai J. Synthesis of 1,3,4-thiadiazoles from elemental sulfur via three-component cyclization under metal-free conditions. Org Biomol Chem 2025; 23:5101-5105. [PMID: 40327436 DOI: 10.1039/d5ob00554j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2025]
Abstract
In this work, we demonstrate the synthesis of a variety of 2,5-disubstituted 1,3,4-thiadiazoles in 28-85% yields via three-component cyclization of 2-methylquinolines, arylhydrazides, and S powder under metal-free conditions. This approach stands out due to its broad substrate scope, excellent functional group tolerance, additive-free nature, base-free nature, easy operation, and simple reaction system. This work offers a simple, concise, and convenient pathway for the assembly of a variety of 1,3,4-thiadiazoles, which is complementary to previous methods.
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Affiliation(s)
- Chuanquan Chu
- Department of Food and Chemical Engineering, Shaoyang University, Shaoyang, 422100, China.
| | - Yu Liu
- Department of Food and Chemical Engineering, Shaoyang University, Shaoyang, 422100, China.
| | - Min Mao
- Department of Food and Chemical Engineering, Shaoyang University, Shaoyang, 422100, China.
| | - Dahan Wang
- Department of Food and Chemical Engineering, Shaoyang University, Shaoyang, 422100, China.
| | - Jinbing Liu
- Department of Food and Chemical Engineering, Shaoyang University, Shaoyang, 422100, China.
| | - Huaixin Wei
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou 215009, Jiangsu, China.
| | - Mingming Yu
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Xiasha West Higher Education District, Hangzhou, 310018, China
| | - Jinhui Cai
- College of Chemistry and Chemical Engineering, University of South China, Hengyang, 421001, China.
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2
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El-Saghier AM, Abdul-Baset A, El-Hady OM, El-Raheem WMA, Kadry AM. Synthesis, docking and characterization of some novel 5-(S-alkyl)-1.3.4-thiadiazole-2-carboxamide derivatives as anti-inflammatory and antibacterial agents. BMC Chem 2024; 18:138. [PMID: 39068479 PMCID: PMC11282722 DOI: 10.1186/s13065-024-01237-9] [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: 11/18/2023] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
Because of the great pharmacological and industrial significance of 1,3,4-thiadiazole and its related compounds, researchers are still very interested in them. For this reason, in this study, we looked at ways to create new hybrid compounds containing carboxamide and 1,3,4-thiadiazole moieties. The thioxoacetamide derivatives used to make these compounds were reacted with various alkylated reagents to produce multiple S-alkyl groups. Additionally, these compounds were reacted with aldehydes to form novel derivatives known as 5-(substituent)-N-phenyl-1,3,4-thiadiazole-2-carboxamide. Here, we used the agar well diffusion method to examine the antibacterial activity of all the produced compounds against a few pathogenic bacteria that were resistant to multiple drugs. Additionally, look into their capacity to lower inflammation through the use of bovine serum albumin in the protein denaturation procedure. The substances were characterized by spectral analysis (IR, 1HNMR, 13CNMR and Elemental Analysis), and efficient as antibacterial agents against all the tested bacterial strains, except for Escherichia coli. Compounds 4a and 8c showed the highest level of inhibition zone against Gram-positive bacteria (Staph. aureus, Bacillus subtilis) at concentration 0.3, 0.4 and 0.5 mg/ml compared with ciprofloxacin at the same concentrations. The results demonstrated that every compound has significant anti-inflammatory activity. At a concentration of 250 µg/ml, compounds 3a, 4c and 8c had the highest percentage inhibition of protein denaturation when (83.24%, 86.44% and 85.14%, respectively) compared to other compounds and diclofenac sodium as reference drug. Comparing compounds 4c and 8c to ciprofloxacin and diclofenac sodium, they showed powerful antibacterial and anti-inflammatory action. Furthermore, an investigation using molecular docking against DHPS from S. aureus (PDB ID: 6CLV) showed a strong connection with the intended protein and an elevated docking score, making it a prime candidate for antibiotics.
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Affiliation(s)
- Ahmed M El-Saghier
- Chemistry Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt.
| | - Asmaa Abdul-Baset
- Chemistry Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Omer M El-Hady
- Chemistry Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Walaa M Abd El-Raheem
- Botany and Microbiology Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Asmaa M Kadry
- Chemistry Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
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3
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Shi Z, Li R, Lan W, Wei H, Sheng S, Chen J. Visible-light-induced intramolecular C–S bond formation for practical synthesis of 2,5-disubstituted 1,3,4-thiadiazoles. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2149342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Zhaocheng Shi
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Ruohan Li
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Wenqing Lan
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Haishan Wei
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Shouri Sheng
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, China
| | - Junmin Chen
- College of Chemistry & Chemical Engineering, Jiangxi Normal University, Nanchang, China
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4
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Ningaiah S, Bhadraiah UK, Sobha A, Shridevi D. Synthesis of Novel Pyrazolyl-1,3,4-Thiadiazole Analogues. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2020.1773875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Srikantamurthy Ningaiah
- Department of Chemistry, Vidyavardhaka College of Engineering, Visvesvaraya Technological University, Mysuru, Karnataka, India
| | - Umesha K. Bhadraiah
- Department of Chemistry, Yuvaraja’s College, University of Mysore, Mysuru, Karnataka, India
| | - Anjali Sobha
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram, Kerala, India
| | - Doddamani Shridevi
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram, Kerala, India
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5
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Bekircan O, Danış Ö, Şahin ME, Çetin M. Monoamine oxidase A and B inhibitory activities of 3,5-diphenyl-1,2,4-triazole substituted [1,2,4]triazolo[3,4-b][1,3,4]thiadiazole derivatives. Bioorg Chem 2021; 118:105493. [PMID: 34814086 DOI: 10.1016/j.bioorg.2021.105493] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 09/08/2021] [Accepted: 11/13/2021] [Indexed: 11/02/2022]
Abstract
Monoamine oxidase (EC 1.4.3.4, MAO) is a flavin adenine dinucleotide-containing flavoenzyme located on the outer mitochondrial membrane and catalyzes the oxidative deamination of monoaminergic neurotransmitters and dietary amines. MAO exists in humans as two isoenzymes, hMAO-A and hMAO-B, which are distinguished by their tertiary structures, preferred substrates and inhibitors, and selective inhibition of these isoenzymes are used in the treatment of different diseases such as Alzheimer's, Parkinson's and depression. In the present study, we report the design, synthesis and characterization of 3,5-diphenyl-1,2,4-triazole substituted [1,2,4]triazolo[3,4-b][1,3,4]thiadiazole derivatives as novel and selective inhibitors of hMAO-B. Twenty one compounds (38, 39a-h, 41a-d, 42a-h) were screened for their inhibitory activity against hMAO-A and hMAO-B by using in vitro Amplex Red® reagent based fluorometric method and all compounds were found to be as selective h-MAO-B inhibitors to a different degree. The compound 42e and 42h displayed the highest inhibitory activity against hMAO-B with IC50 values of 2.51 and 2.81 µM, respectively, and more than 25-fold selectivity towards inhibition of hMAO-B. A further kinetic evaluation of the most potent derivative (42e) was also performed and a mixed mode of inhibition of hMAO-B by the compound 42e was determined (Ki = 0,26 µM). According to our findings the [1,2,4]triazolo[3,4-b][1,3,4]thiadiazole emerged as a promising scaffold for the development of novel and selective hMAO-B inhibitors.
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Affiliation(s)
- Olcay Bekircan
- Department of Chemistry, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey.
| | - Özkan Danış
- Department of Chemistry, Faculty of Arts and Sciences, Marmara University, 34722 Istanbul, Turkey
| | - Mehmet Eren Şahin
- Department of Chemistry, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey
| | - Mert Çetin
- Department of Chemistry, Faculty of Arts and Sciences, Marmara University, 34722 Istanbul, Turkey
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6
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Ghaffari S, Esmaeili AA, Khojastehnezhad A. One-pot Three-component Synthesis of Novel 1,3,4-Thiadiazole-thiazolo[3,2-a]pyrimidine Derivatives Catalyzed by Molecular Iodine. ORG PREP PROCED INT 2021. [DOI: 10.1080/00304948.2021.1971914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Samaneh Ghaffari
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Abbas Ali Esmaeili
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Amir Khojastehnezhad
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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7
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Aggarwal R, Sumran G. An insight on medicinal attributes of 1,2,4-triazoles. Eur J Med Chem 2020; 205:112652. [PMID: 32771798 PMCID: PMC7384432 DOI: 10.1016/j.ejmech.2020.112652] [Citation(s) in RCA: 155] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 07/04/2020] [Accepted: 07/07/2020] [Indexed: 02/01/2023]
Abstract
The present review aims to summarize the pharmacological profile of 1,2,4-triazole, one of the emerging privileged scaffold, as antifungal, antibacterial, anticancer, anticonvulsant, antituberculosis, antiviral, antiparasitic, analgesic and anti-inflammatory agents, etc. along with structure-activity relationship. The comprehensive compilation of work carried out in the last decade on 1,2,4-triazole nucleus will provide inevitable scope for researchers for the advancement of novel potential drug candidates having better efficacy and selectivity.
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Affiliation(s)
- Ranjana Aggarwal
- Department of Chemistry, Kurukshetra University, Kurukshetra, 136 119, India; CSIR-National Institute of Science Technology and Development Studies, New Delhi, India.
| | - Garima Sumran
- Department of Chemistry, D. A. V. College (Lahore), Ambala City, 134 003, Haryana, India.
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8
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Soukhyarani Gopal Nayak, Boja Poojary. Design, Synthesis, In Silico Docking Studies, and Antibacterial Activity of Some Thiadiazines and 1,2,4-Triazole-3-Thiones Bearing Pyrazole Moiety. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1068162020010069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Almandil NB, Taha M, Gollapalli M, Rahim F, Ibrahim M, Mosaddik A, Anouar EH. Indole bearing thiadiazole analogs: synthesis, β-glucuronidase inhibition and molecular docking study. BMC Chem 2019; 13:14. [PMID: 31384763 PMCID: PMC6661955 DOI: 10.1186/s13065-019-0522-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 01/16/2019] [Indexed: 12/05/2022] Open
Abstract
Indole based thiadiazole derivatives (1-22) have synthesized, characterized by NMR and HREI-MS and evaluated for β-Glucuronidase inhibition. All compounds showed outstanding β-glucuronidase activity with IC50 values ranging between 0.5 ± 0.08 to 38.9 ± 0.8 µM when compared with standard d-saccharic acid 1,4 lactone (IC50 value of 48.1 ± 1.2 µM). The compound 6, a 2,3-dihydroxy analog was found the most potent among the series with IC50 value 0.5 ± 0.08 µM. Structure activity relationship has been established for all compounds. To confirm the binding interactions of these newly synthesized compounds, molecular docking study have been carried out which reveal that these compounds established stronger hydrogen bonding networks with active site residues.
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Affiliation(s)
- Noor Barak Almandil
- Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 31441 Saudi Arabia
| | - Muhammad Taha
- Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 31441 Saudi Arabia
| | - Mohammed Gollapalli
- Department of Computer Information Systems, College of Computer Science & Information Technology, Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 31441 Saudi Arabia
| | - Fazal Rahim
- Department of Chemistry, Hazara University, Mansehra, 21300 Khyber Pakhtunkhwa Pakistan
| | - Mohamed Ibrahim
- Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 31441 Saudi Arabia
| | - Ashik Mosaddik
- Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P. O. Box 1982, Dammam, 31441 Saudi Arabia
| | - El Hassane Anouar
- Department of Chemistry, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, P.O. Box 83, Al-Kharj, 11942 Saudi Arabia
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10
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Liu XJ, Liu HY, Wang HX, Shi YP, Tang R, Zhang S, Chen BQ. Synthesis and antitumor evaluation of novel fused heterocyclic 1,2,4-triazolo[3,4-b]-1,3,4-thiadiazole derivatives. Med Chem Res 2019. [DOI: 10.1007/s00044-019-02409-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Arjun HA, Elancheran R, Manikandan N, Lakshmithendral K, Ramanathan M, Bhattacharjee A, Lokanath NK, Kabilan S. Design, Synthesis, and Biological Evaluation of (E)-N'-((1-Chloro-3,4-Dihydronaphthalen-2-yl)Methylene)Benzohydrazide Derivatives as Anti-prostate Cancer Agents. Front Chem 2019; 7:474. [PMID: 31355179 PMCID: PMC6636335 DOI: 10.3389/fchem.2019.00474] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 06/20/2019] [Indexed: 01/09/2023] Open
Abstract
Prostate Cancer (PCa) is the most frequently diagnosed cancer in men in their late '50s. PCa growth is mainly due to the activation of the androgen receptor by androgens. The treatment for PCa may involve surgery, hormonal therapy, and oral chemotherapeutic drugs. A structural based molecular docking approach revealed the findings of (E)-N'-((1-chloro-3,4-dihydronaphthalen-2-yl)methylene)benzohydrazide derivatives, where the possible binding modes of the compounds with protein (PDB ID: 3V49) are shown. The compounds (6a-k) were synthesized and characterized by using conventional methods. The compounds, 6g, 6j, and 6k were reconfirmed through single crystal X-ray diffraction (XRD). Further, the compounds (6a-k) and standard drug were evaluated against human prostate cancer cell lines, LNCaP and PC-3 and the non-cancerous cell line, 3T3. Among these compounds, 6g and 6j showed higher cytotoxicity, and 6g exhibited dose-dependent activity and reduced cell viability. The mechanism of action was observed through the induced apoptosis and was further confirmed by western blot and ELISA. Molecular dynamics simulation studies were carried out to calculate the interaction and the stability of the protein-ligand complex in motion. ADME properties were predicted for all the tested compounds. These findings may give vital information for further development.
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Affiliation(s)
- H. A. Arjun
- Drug Discovery Lab, Department of Chemistry, Annamalai University, Chidambaram, India
| | | | - N. Manikandan
- Department of Pharmacology, PSG College of Pharmacy, Coimbatore, India
| | - K. Lakshmithendral
- Drug Discovery Lab, Department of Chemistry, Annamalai University, Chidambaram, India
| | | | - Atanu Bhattacharjee
- Computational Biology Laboratory, Department of Biotechnology & Bioinformatics, North Eastern Hill University, Shillong, India
| | - N. K. Lokanath
- Department of Physics, University of Mysore, Mysore, India
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12
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Settypalli T, Chunduri VR, Kerru N, Nallapaneni HK, Chintha VR, Daggupati T, Yeguvapalli S, Wudayagiri R. Design, Synthesis, Neuroprotective and Antibacterial Activities of 1,2,4‐Triazolo[3,4‐b]1,3,4‐thiadiazole Linked Thieno[2,3‐d]pyrimidine Derivatives and In Silico Docking Studies. ChemistrySelect 2019. [DOI: 10.1002/slct.201803917] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | | | - Nagaraju Kerru
- Department of ChemistrySri Venkateswara University- Tirupati- 517502
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13
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Shingare RM, Patil YS, Sangshetti JN, Damale MG, Rajani DP, Madje BR. Synthesis, Antimicrobial Evaluation and Docking Study of Some Pyrazole Bearing [1, 2,4]Triazolo[3, 4-b][1, 3,4]thiadiazole Derivatives. ChemistrySelect 2018. [DOI: 10.1002/slct.201800373] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ramesh M. Shingare
- Department of Chemistry; Vasantrao Naik Mahavidyalaya; Aurangabad 431003, Maharashtra India
| | - Yogesh S. Patil
- Department of Chemistry; Vasantrao Naik Mahavidyalaya; Aurangabad 431003, Maharashtra India
| | - Jaiprakash N. Sangshetti
- Y. B. Chavan College of Pharmacy, Dr. Rafiq Zakaria Campus; Aurangabad 431001, Maharashtra India
| | - Manoj G. Damale
- Shri. Bhagwan College of Pharmacy; Aurangabad 431003, Maharashtra India
| | - Dhanji P. Rajani
- Microcare Laboratory and Tuberculosis Research Center; Surat 395003, Gujarat India
| | - Balaji R. Madje
- Department of Chemistry; Vasantrao Naik Mahavidyalaya; Aurangabad 431003, Maharashtra India
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14
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Liu XJ, Wang L, Yin L, Cheng FC, Sun HM, Liu WW, Shi DH, Cao ZL. Synthesis and Biological Evaluation of Novel Glycosyl-Containing 1,2,4-Triazolo[3,4-b][1,3,4]Thiadiazole Derivatives as Acetylcholinesterase Inhibitors. JOURNAL OF CHEMICAL RESEARCH 2017. [DOI: 10.3184/174751917x15064232103047] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
An efficient protocol for the synthesis of novel glycosyl-containing 1,2,4-triazolo[3,4- b][1,3,4]thiadiazole derivatives starting from the commercially available D-glucosamine hydrochloride is described by reaction of glycosyl isothiocyanate with various aminotriazoles in DMF. Glycosyl isothiocyanate is an important intermediate and synthetic methods are discussed. The acetylcholinesterase inhibitory activity of these compounds was tested by Ellman's method. It was found that most compounds exhibited over 90% inhibition and they were subsequently evaluated for their IC50 values.
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Affiliation(s)
- Xiu-Jian Liu
- College of Pharmaceutical Sciences, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Lei Wang
- College of Pharmaceutical Sciences, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Long Yin
- College of Pharmaceutical Sciences, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Feng-Chang Cheng
- China University of Mining and Technology, Xuzhou 221116, P.R. China
| | - Hui-Min Sun
- College of Pharmaceutical Sciences, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Wei-Wei Liu
- College of Pharmaceutical Sciences, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
- Jiangsu Institute of Marine Resources, Lianyungang 222005, P.R. China
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
| | - Da-Hua Shi
- College of Pharmaceutical Sciences, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
- Jiangsu Institute of Marine Resources, Lianyungang 222005, P.R. China
| | - Zhi-Ling Cao
- College of Pharmaceutical Sciences, Huaihai Institute of Technology, Lianyungang 222005, P.R. China
- Jiangsu Institute of Marine Resources, Lianyungang 222005, P.R. China
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15
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Rode ND, Sonawane AD, Nawale L, Khedkar VM, Joshi RA, Likhite AP, Sarkar D, Joshi RR. Synthesis, biological evaluation, and molecular docking studies of novel 3-aryl-5-(alkyl-thio)-1H-1,2,4-triazoles derivatives targeting Mycobacterium tuberculosis. Chem Biol Drug Des 2017; 90:1206-1214. [PMID: 28609019 DOI: 10.1111/cbdd.13040] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 05/08/2017] [Accepted: 05/30/2017] [Indexed: 02/01/2023]
Abstract
A small library of new 3-aryl-5-(alkyl-thio)-1H-1,2,4-triazoles was synthesized and screened for the antimycobacterial potency against Mycobacterium tuberculosis H37 Ra strain and Mycobacterium bovis BCG both in active and dormant stage. Among the synthesized library, 25 compounds exhibited promising anti-TB activity in the range of IC50 0.03-5.88 μg/ml for dormant stage and 20 compounds in the range of 0.03-6.96 μg/ml for active stage. Their lower toxicity (>100 μg/ml) and higher selectivity (SI = >10) against all cancer cell lines screened make them interesting compounds with potential antimycobacterial effects. Furthermore, to rationalize the observed biological activity data and to establish a structural basis for inhibition of M. tuberculosis, the molecular docking study was carried out against a potential target MTB CYP121 which revealed a significant correlation between the binding score and biological activity for these compounds. Cytotoxicity and in vivo pharmacokinetic studies suggested that 1,2,4-triazole analogues have an acceptable safety index, in vivo stability and bio-availability.
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Affiliation(s)
- Navnath D Rode
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, India
| | - Amol D Sonawane
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, India
| | - Laxman Nawale
- Combi-Chem Resource Centre, CSIR-National Chemical Laboratory, Pune, India
| | - Vijay M Khedkar
- Combi-Chem Resource Centre, CSIR-National Chemical Laboratory, Pune, India
| | - Ramesh A Joshi
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, India
| | - Anjali P Likhite
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, India
| | - Dhiman Sarkar
- Combi-Chem Resource Centre, CSIR-National Chemical Laboratory, Pune, India
| | - Rohini R Joshi
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pune, India
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16
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Patil SR, Asrondkar A, Patil V, Sangshetti JN, Kalam Khan FA, Damale MG, Patil RH, Bobade AS, Shinde DB. Antileishmanial potential of fused 5-(pyrazin-2-yl)-4H-1,2,4-triazole-3-thiols: Synthesis, biological evaluations and computational studies. Bioorg Med Chem Lett 2017; 27:3845-3850. [PMID: 28693910 DOI: 10.1016/j.bmcl.2017.06.053] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 04/06/2017] [Accepted: 06/21/2017] [Indexed: 11/17/2022]
Abstract
A series of newer 1,2,4-triazole-3-thiol derivatives 5(a-m) and 6(a-i) containing a triazole fused with pyrazine moiety of pharmacological significance have been synthesized. All the synthesized compounds were screened for their in vitro antileishmanial and antioxidant activities. Compounds 5f (IC50=79.0µM) and 6f (IC50=79.0µM) were shown significant antileishmanial activity when compared with standard sodium stibogluconate (IC50=490.0µM). Compounds 5b (IC50=13.96µM) and 6b (IC50=13.96µM) showed significant antioxidant activity. After performing molecular docking study and analyzing overall binding modes it was found that the synthesized compounds had potential to inhibit L. donovani pteridine reductase 1 enzyme. In silico ADME and metabolic site prediction studies were also held out to set an effective lead candidate for the future antileishmanial and antibacterial drug discovery initiatives.
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Affiliation(s)
- Sanjeev R Patil
- Department of Chemical Technology, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431 004, MS, India; Haffkine Institute for Training, Research and Testing, Parel, Mumbai 400 012, MS, India
| | - Ashish Asrondkar
- Haffkine Institute for Training, Research and Testing, Parel, Mumbai 400 012, MS, India
| | - Vrushali Patil
- Haffkine Institute for Training, Research and Testing, Parel, Mumbai 400 012, MS, India
| | | | - Firoz A Kalam Khan
- Oriental College of Pharmacy, Sanpada (West), Navi Mumbai 400705, MS, India
| | - Manoj G Damale
- Shri Bhagwan College of Pharmacy, Aurangabad 431 003, MS, India
| | - Rajendra H Patil
- Department of Biotechnology, Savitribai Phule Pune University, Pune, MS, India
| | - Anil S Bobade
- Haffkine Institute for Training, Research and Testing, Parel, Mumbai 400 012, MS, India
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17
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Gürsoy-Kol Ö, Ayazoğlu E. Antioxidant activities and acidic properties of some novel 4-[3,4-di-(4-nitrobenzoxy)-benzylidenamino]-4,5-dihydro-1H-1,2,4-triazol-5-one derivatives. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2013.11.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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18
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Pachuta-Stec A, Biernasiuk A, Malm A, Pitucha M. Synthesis and Antimicrobial Evaluation of Novel Derivatives of Semicarbazide and 1,2,4-triazole. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2893] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Anna Pachuta-Stec
- Department of Organic Chemistry, Faculty of Pharmacy; Medical University; 4a Chodźki Street 20-093 Lublin Poland
| | - Anna Biernasiuk
- Department of Pharmaceutical Microbiology with Laboratory for Microbiological Diagnostics, Faculty of Pharmacy; Medical University; 1 Chodźki Street 20-093 Lublin Poland
| | - Anna Malm
- Department of Pharmaceutical Microbiology with Laboratory for Microbiological Diagnostics, Faculty of Pharmacy; Medical University; 1 Chodźki Street 20-093 Lublin Poland
| | - Monika Pitucha
- Department of Organic Chemistry, Faculty of Pharmacy; Medical University; 4a Chodźki Street 20-093 Lublin Poland
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19
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Theoretical and spectroscopic (FT-IR, NMR and UV–Vis.) characterizations of 3-p-chlorobenzyl-4-(4-carboxybenzylidenamino)-4,5-dihydro-1H-1,2,4-triazol-5-one molecule. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2016.07.092] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Zhou Z, Liu Y, Chen J, Yao E, Cheng J. Multicomponent Coupling Reactions of Two N-Tosyl Hydrazones and Elemental Sulfur: Selective Denitrogenation Pathway toward Unsymmetric 2,5-Disubstituted 1,3,4-Thiadiazoles. Org Lett 2016; 18:5268-5271. [DOI: 10.1021/acs.orglett.6b02583] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Zhen Zhou
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Yang Liu
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Jiangfei Chen
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - En Yao
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Jiang Cheng
- School of Petrochemical Engineering, Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Jiangsu Province Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
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21
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Al-Omary FAM, Ghabbour HA, AlRabiah H, Al-Wahaibi LH, El-Emam AA. Crystal structure of 6-(4-chlorophenyl)-3-(thiophen-2-yl)-[1,2,4]triazolo[3,4- b][1,3,4]-thiadiazole, C 13H 7ClN 4S 2. Z KRIST-NEW CRYST ST 2016; 231:931-932. [DOI: 10.1515/ncrs-2016-0010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C13H7ClN4S2, monoclinic, P21/c (no. 14), a = 10.2342 (9) Å, b = 11.9953(10) Å, c = 12.0980(9) Å, β = 116.283(6)°, V = 1331.6(2) Å3, Z = 4, R
gt
(F) = 0.0573, wR
ref
(F
2
) = 0.1675, T = 100 K.
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Affiliation(s)
- Fatmah A. M. Al-Omary
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O.Box 2457, Riaydh 11451, Saudi Arabia
| | | | - Haitham AlRabiah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O.Box 2457, Riaydh 11451, Saudi Arabia
| | - Lamya H. Al-Wahaibi
- Department of Chemistry, College of Sciences, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Ali A. El-Emam
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O.Box 2457, Riaydh 11451, Saudi Arabia
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22
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Al-Alshaikh MA, Ghabbour HA, Abdelbaky MSM, García-Granda S, El-Emam AA. Crystal structure of 6-(2-fluorophenyl)-3-phenyl-[1,2,4]-triazolo[3,4- b][1,3,4]thiadiazole, C 15H 9FN 4S. Z KRIST-NEW CRYST ST 2016; 231:661-663. [DOI: 10.1515/ncrs-2015-0236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C15H9FN4S, orthorhombic, Pna21 (no. 33), a = 18.9361(2) Å, b = 11.5248(1) Å, c = 6.0142(1) Å, V = 1312.52(3) Å3, Z = 4, R
gt
(F) = 0.0263, wR
ref
(F
2
) = 0.0706, T = 100 K.
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Affiliation(s)
- Monirah A. Al-Alshaikh
- Department of Chemistry, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | | | - Mohammed S. M. Abdelbaky
- Departamento de Química Física Analítica, Facultad de Química, Universidad de Oviedo – CINN, C/Julán Clavería, 8, 33006 Oviedo, (Asturias), Spain
| | - Santiago García-Granda
- Departamento de Química Física Analítica, Facultad de Química, Universidad de Oviedo – CINN, C/Julán Clavería, 8, 33006 Oviedo, (Asturias), Spain
| | - Ali A. El-Emam
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
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23
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Nimbalkar UD, Tupe SG, Seijas Vazquez JA, Khan FAK, Sangshetti JN, Nikalje APG. Ultrasound- and Molecular Sieves-Assisted Synthesis, Molecular Docking and Antifungal Evaluation of 5-(4-(Benzyloxy)-substituted phenyl)-3-((phenylamino)methyl)-1,3,4-oxadiazole-2(3H)-thiones. Molecules 2016; 21:molecules21050484. [PMID: 27171073 PMCID: PMC6273549 DOI: 10.3390/molecules21050484] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 03/30/2016] [Accepted: 04/01/2016] [Indexed: 11/20/2022] Open
Abstract
A novel series of 5-(4-(benzyloxy)substituted phenyl)-3-((phenyl amino)methyl)-1,3,4-oxadiazole-2(3H)-thione Mannich bases 6a–o were synthesized in good yield from the key compound 5-(4-(benzyloxy)phenyl)-1,3,4-oxadiazole-2(3H)-thione by aminomethylation with paraformaldehyde and substituted amines using molecular sieves and sonication as green chemistry tools. The antifungal activity of the new products was evaluated against seven human pathogenic fungal strains, namely, Candida albicans ATCC 24433, Candida albicans ATCC 10231, Candida glabrata NCYC 388, Cryptococcus neoformans ATCC 34664, Cryptococcus neoformans PRL 518, Aspergillus fumigatus NCIM 902 and Aspergillus niger ATCC 10578. The synthesized compounds 6d, 6f, 6g, 6h and 6j exhibited promising antifungal activity against the tested fungal pathogens. In molecular docking studies, derivatives 6c, 6f and 6i showed good binding at the active site of C. albicans cytochrome P450 enzyme lanosterol 14 α-demethylase. The in vitro antifungal activity results and docking studies indicated that the synthesized compounds have potential antifungal activity and can be further optimized as privileged scaffolds to design and develop potent antifungal drugs.
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Affiliation(s)
- Urja D Nimbalkar
- Maulana Azad P. G. and Research Centre, Dr. Rafiq Zakaria Campus, Rauza Baug, Aurangabad 431001, India.
| | - Santosh G Tupe
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India.
| | - Julio A Seijas Vazquez
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad of Santiago De Compostela, Alfonso X el Sabio, Lugo 27002, Spain.
| | - Firoz A Kalam Khan
- Y. B. Chavan College of Pharmacy, Dr. Rafiq Zakaria Campus, Rauza Baug, Aurangabad 431001, India.
| | - Jaiprakash N Sangshetti
- Y. B. Chavan College of Pharmacy, Dr. Rafiq Zakaria Campus, Rauza Baug, Aurangabad 431001, India.
| | - Anna Pratima G Nikalje
- Y. B. Chavan College of Pharmacy, Dr. Rafiq Zakaria Campus, Rauza Baug, Aurangabad 431001, India.
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24
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Bian GF, Guo Y, Lv XJ, Zhang C. A triazole based fluorescence “turn-on” sensor for Al(Ⅲ) and Zn(Ⅱ) ions. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2016.01.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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25
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Bespalov AY, Gorchakova TL, Ivanov AY, Kuznetsov MA, Kuznetsova LM, Pankova AS, Prokopenko LI, Khlebnikov AF. On the possibility for synthesizing dihydrotriazolothiadiazoles by condensation of 4-amino-2,4-dihydro-3H-1,2,4-triazole-3-thiones with aromatic aldehydes. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2016. [DOI: 10.1134/s1070428016030210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Kalinina TA, Bystrykh OA, Glukhareva TV, Morzherin YY. Transformation of 1,2,3-Thiadiazolyl Hydrazones as Method for Preparation of 1,2,3-Triazolo[5,1-b][1,3,4]thiadiazines. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2554] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tatiana A. Kalinina
- Department of Organic Chemical Technology; Ural Federal University Named After the First President of Russia B. N. Yeltsin; 19 Mira str. Ekaterinburg 620002 Russia
| | - Olga A. Bystrykh
- Department of Organic Chemical Technology; Ural Federal University Named After the First President of Russia B. N. Yeltsin; 19 Mira str. Ekaterinburg 620002 Russia
| | - Tatiana V. Glukhareva
- Department of Organic Chemical Technology; Ural Federal University Named After the First President of Russia B. N. Yeltsin; 19 Mira str. Ekaterinburg 620002 Russia
| | - Yuri Yu. Morzherin
- Department of Organic Chemical Technology; Ural Federal University Named After the First President of Russia B. N. Yeltsin; 19 Mira str. Ekaterinburg 620002 Russia
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27
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Synthesis, Antimicrobial, and Antioxidant Activities of Some Fused Heterocyclic [1,2,4]Triazolo[3,4-b][1,3,4]thiadiazole Derivatives. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2348] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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28
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Sharma A, Satish G, Penta S. A Facile Synthesis of Aryl-Substituted Hydrazono-Pyrazolyl[1,2,4]triazolo[3,4-b][1,3,4][thiadiazol]-coumarin Derivatives. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2362] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Archi Sharma
- Department of Chemistry; National Institute of Technology; Raipur C.G-492010 India
| | - Gudala Satish
- Department of Chemistry; National Institute of Technology; Raipur C.G-492010 India
| | - Santhosh Penta
- Department of Chemistry; National Institute of Technology; Raipur C.G-492010 India
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29
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Synthesis, in vitro antioxidant activity, and physicochemical properties of novel 4,5-dihydro-1H-1,2,4-triazol-5-one derivatives. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.02.038] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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30
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Quintana C, Klahn AH, Artigas V, Fuentealba M, Biot C, Halloum I, Kremer L, Arancibia R. Cyrhetrenyl and ferrocenyl 1,3,4-thiadiazole derivatives: Synthesis, characterization, crystal structures and in vitro antitubercular activity. INORG CHEM COMMUN 2015. [DOI: 10.1016/j.inoche.2015.03.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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31
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Microwave-promoted synthesis and biological activity of some 2-hetarylmethyl-4-(4-hetarylphenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one derivatives. Chem Heterocycl Compd (N Y) 2015. [DOI: 10.1007/s10593-015-1664-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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32
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Hu Y, Li CY, Wang XM, Yang YH, Zhu HL. 1,3,4-Thiadiazole: synthesis, reactions, and applications in medicinal, agricultural, and materials chemistry. Chem Rev 2014; 114:5572-610. [PMID: 24716666 DOI: 10.1021/cr400131u] [Citation(s) in RCA: 344] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yang Hu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University , Nanjing 210093, People's Republic of China
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33
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Kotaiah Y, Nagaraju K, Harikrishna N, Venkata Rao C, Yamini L, Vijjulatha M. Synthesis, docking and evaluation of antioxidant and antimicrobial activities of novel 1,2,4-triazolo[3,4-b][1,3,4]thiadiazol-6-yl)selenopheno[2,3-d]pyrimidines. Eur J Med Chem 2014; 75:195-202. [DOI: 10.1016/j.ejmech.2014.01.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2013] [Revised: 01/02/2014] [Accepted: 01/03/2014] [Indexed: 11/29/2022]
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34
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Iniya M, Jeyanthi D, Krishnaveni K, Mahesh A, Chellappa D. Triazole based ratiometric fluorescent probe for Zn2+ and its application in bioimaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 120:40-46. [PMID: 24177867 DOI: 10.1016/j.saa.2013.09.107] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Revised: 09/12/2013] [Accepted: 09/26/2013] [Indexed: 06/02/2023]
Abstract
An efficient fluorescent chemosensor 4-((2-hydroxynaphthalen-1-yl)methyleneamino)-3-phenyl-1H-1,2,4-triazole-5(4H)-thione, based on triazole has been designed by condensing 2-hydroxy-1-napthaldehyde with amine, appended to 1,2,4-triazole unit. The probe displays excellent selectivity and sensitivity in both absorbance and fluorescence detection of Zn2+ over other essential metal ions. The nature of fluorescence behavior of receptor upon addition of Zn2+ has been obtained from Density Functional Theory calculations. Imaging experiment indicates that probe works effectively for intracellular Zn2+ imaging with good cell permeability and biocompatibility.
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Affiliation(s)
- Murugan Iniya
- School of Chemistry, Madurai Kamaraj University, Madurai 625021, Tamilnadu, India
| | - Dharmaraj Jeyanthi
- School of Chemistry, Madurai Kamaraj University, Madurai 625021, Tamilnadu, India
| | | | - Ayyavu Mahesh
- School of Biological Sciences, Madurai Kamaraj University, Madurai 625021, Tamilnadu, India
| | - Duraisamy Chellappa
- School of Chemistry, Madurai Kamaraj University, Madurai 625021, Tamilnadu, India.
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35
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El-Gazzar MG, Zaher NH, El-Tablawy SY. Morphological changes of some pathogenic microbial strains induced by novel thiadiazole derivatives. Med Chem Res 2013. [DOI: 10.1007/s00044-013-0779-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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36
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Yüksek H, Akyıldırım O, Yola ML, Gürsoy-Kol Ö, Çelebier M, Kart D. Synthesis,In VitroAntimicrobial and Antioxidant Activities of Some New 4,5-Dihydro-1H-1,2,4-triazol-5-one Derivatives. Arch Pharm (Weinheim) 2013; 346:470-80. [DOI: 10.1002/ardp.201300048] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Revised: 03/21/2013] [Accepted: 03/28/2013] [Indexed: 11/08/2022]
Affiliation(s)
- Haydar Yüksek
- Department of Chemistry, Faculty of Science and Letters, Kafkas University, Kars, Turkey
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37
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Synthesis and antimicrobial activity of new 1,3,4-thiadiazoles containing oxadiazole, thiadiazole and triazole nuclei. Pharm Chem J 2013. [DOI: 10.1007/s11094-013-0865-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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