1
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Rzycki M, Gładysiewicz-Kudrawiec M, Kraszewski S. Molecular guidelines for promising antimicrobial agents. Sci Rep 2024; 14:4641. [PMID: 38409391 DOI: 10.1038/s41598-024-55418-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/23/2024] [Indexed: 02/28/2024] Open
Abstract
Antimicrobial resistance presents a pressing challenge to public health, which requires the search for novel antimicrobial agents. Various experimental and theoretical methods are employed to understand drug-target interactions and propose multistep solutions. Nonetheless, efficient screening of drug databases requires rapid and precise numerical analysis to validate antimicrobial efficacy. Diptool addresses this need by predicting free energy barriers and local minima for drug translocation across lipid membranes. In the current study employing Diptool free energy predictions, the thermodynamic commonalities between selected antimicrobial molecules were characterized and investigated. To this end, various clustering methods were used to identify promising groups with antimicrobial activity. Furthermore, the molecular fingerprinting and machine learning approach (ML) revealed common structural elements and physicochemical parameters in these clusters, such as long carbon chains, charged ammonium groups, and low dipole moments. This led to the establishment of guidelines for the selection of effective antimicrobial candidates based on partition coefficients (logP) and molecular mass ranges. These guidelines were implemented within the Reinforcement Learning for Structural Evolution (ReLeaSE) framework, generating new chemicals with desired properties. Interestingly, ReLeaSE produced molecules with structural profiles similar to the antimicrobial agents tested, confirming the importance of the identified features. In conclusion, this study demonstrates the ability of molecular fingerprinting and AI-driven methods to identify promising antimicrobial agents with a broad range of properties. These findings deliver substantial implications for the development of antimicrobial drugs and the ongoing battle against antibiotic-resistant bacteria.
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Affiliation(s)
- Mateusz Rzycki
- Department of Biomedical Engineering, Wroclaw University of Science and Technology, 50-370, Wroclaw, Poland.
| | | | - Sebastian Kraszewski
- Department of Biomedical Engineering, Wroclaw University of Science and Technology, 50-370, Wroclaw, Poland
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2
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Belyaeva ER, Myasoedova YV, Ishmuratova NM, Ishmuratov GY. Synthesis and Biological Activity of N-Acylhydrazones. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1068162022060085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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3
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Synthesis, antimicrobial and antioxidant evaluation with in silico studies of new thiazole Schiff base derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131465] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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4
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Xia Y, Huang H, Hu W, Deng GJ. NH 4I-promoted oxidative formation of benzothiazoles and thiazoles from arylacetic acids and phenylalanines with elemental sulfur. Org Biomol Chem 2021; 19:5108-5113. [PMID: 34009226 DOI: 10.1039/d1ob00671a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A NH4I/K3PO4-based catalytic system has been established to enable oxidative formation of thiazole compounds from arylacetic acids and phenylalanines with elemental sulfur. While the three-component reaction of anilines or β-naphthylamines with arylacetic acids and elemental sulfur affords benzo[2,1-d]thiazoles and naphtho[2,1-d]thiazoles, the annulation of phenylalanines with elemental sulfur produces 2-benzyl and 2-benzoylthiazoles. This work well complements previous three-component annulations of benzothiazoles from other coupling partners.
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Affiliation(s)
- Yujia Xia
- 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, China.
| | - Huawen Huang
- 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, China.
| | - Wei Hu
- 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, China.
| | - Guo-Jun Deng
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, China.
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5
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Synthesis of isothiosemicarbazones of potential antitumoral activity through a multicomponent reaction involving allylic bromides, carbonyl compounds and thiosemicarbazide. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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6
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Zhao J, Luo Z, Xu J. Synthesis of 1,4‐Benzothiazines via KI/DMSO/O
2
‐Mediated Three‐Component Oxidative Cyclization/Coupling. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000201] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jinwu Zhao
- School of PharmacyGuangdong Medical University Dongguan 523808 People's Republic of China
| | - Zhigao Luo
- School of PharmacyGuangdong Medical University Dongguan 523808 People's Republic of China
| | - Jingxiu Xu
- School of PharmacyGuangdong Medical University Dongguan 523808 People's Republic of China
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7
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Wang H, Xu Z, Deng G, Huang H. Selective Formation of 2‐(2‐Aminophenyl)benzothiazoles via Copper‐Catalyzed Aerobic C−C Bond Cleavage of Isatins. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901670] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Hongfen Wang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education, College of ChemistryXiangtan University Xiangtan 411105 People's Republic of China
| | - Zhenhua Xu
- 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 ChemistryXiangtan University Xiangtan 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 ChemistryXiangtan University Xiangtan 411105 People's Republic of China
- Beijing National Laboratory for Molecular SciencesChinese Academy of Sciences (CAS) Beijing 100190 People's Republic of China
| | - Huawen Huang
- 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 ChemistryXiangtan University Xiangtan 411105 People's Republic of China
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8
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Synthesis, crystal structure, spectroscopic, electronic and nonlinear optical properties of potent thiazole based derivatives: Joint experimental and computational insight. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127354] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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9
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Jiang J, Tuo X, Fu Z, Huang H, Deng GJ. Three-component synthesis of 1,4-benzothiazines via iodide-catalyzed aerobic C–H sulfuration with elemental sulfur. Org Biomol Chem 2020; 18:3234-3238. [DOI: 10.1039/d0ob00074d] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Five to Six: Beyond the well-established thiazole formation from elemental sulfur, this method provides the first access to the corresponding six-membered N,S-heterocyclic products via direct functionalization of multiple C–H bonds.
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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
- Xiangtan 411105
| | - Xiaolong Tuo
- 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
| | - Zhuquan Fu
- 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
| | - Huawen Huang
- 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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10
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Zhang D, Gao D, Cai J, Wu X, Qin H, Qiao K, Liu C, Fang Z, Guo K. The ruthenium-catalyzed meta-selective C-H nitration of various azole ring-substituted arenes. Org Biomol Chem 2019; 17:9065-9069. [PMID: 31584058 DOI: 10.1039/c9ob01930h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The efficient ruthenium-catalyzed meta-selective CAr-H nitration of azole ring substituted arenes has been developed. In this work, Ru3(CO)12 was used as the catalyst, AgNO2 as the nitro source, HPcy3+·BF4- as the ligand, pivalic acid as the additive, and DCE as the solvent, and a wide spectrum of arenes bearing thiazole, pyrazolyl or removable oxazoline directing groups were tolerated in this meta-selective CAr-H nitration, affording the nitrated products in moderate to good yields. Moreover, this study reveals a gentler and environmentally friendly way to access meta-nitration arenes compared to the traditional process.
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Affiliation(s)
- Dong Zhang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Di Gao
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Jinlin Cai
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Xiaoyu Wu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Hong Qin
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Kai Qiao
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Chengkou Liu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China. and State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China
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11
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Abdelrazek FM, Gomha SM, Shaaban MEB, Rabee KA, El-Shemy HN, Abdallah AM, Metz P. One-Pot Three-Component Synthesis and Molecular Docking of Some Novel 2-Thiazolyl Pyridines as Potent Antimicrobial Agents. Mini Rev Med Chem 2019; 19:527-538. [PMID: 30360710 DOI: 10.2174/1389557518666181019124104] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 02/24/2017] [Accepted: 05/18/2017] [Indexed: 11/22/2022]
Abstract
BACKGROUND Thiazoles and pyridines are versatile synthetic scaffolds possessing wide spectrum of biological effects including potential antimicrobial activity. OBJECTIVE In the efforts to develop suitable antimicrobia drugs, medicinal chemists have focused on thiazole derivatives. A novel series of 2-thiazolyl pyridines was prepared in a one-pot three-component reaction using 2-bromoacetyl pyridine as a starting precursor. METHOD Structure of the synthesized compounds was elucidated by spectral data (FT-IR, 1H NMR, 13C NMR, and mass) and elemental analyses. The prepared compounds were screened for their in vitro antimicrobial activity. RESULTS The results revealed that compounds 4a,b,e-g and 12 showed promising activity. Molecular docking studies using MOE software were carried out for compounds 4a and 4b which exhibited potent activities indicated by the diameter zones (4a; 3.6, 4.0, 1.2 mm) (4b; 4.2, 3.5, 1.5 mm) and the binding affinities (4a; -5.7731, -5.3576, -4.6844 kcal mol-1) (4b; -5.9356, -2.8250, -5.3628 kcal mol-1) against Candida albicans, Bacillus subtilis and Escherichia coli, respectively. CONCLUSION This paper describes a facile and efficient MCR for synthesis of 2-thiazolyl pyridines from reaction of 2-bromoacetyl pyridine with different reagents. There was an agreement between the values of binding affinities and interactions and the data obtained from the practical antimicrobial screening of the tested compounds.
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Affiliation(s)
- Fathy M Abdelrazek
- Chemistry Department, Faculty of Science, Cairo University, Cairo 12613, Egypt
| | - Sobhi M Gomha
- Chemistry Department, Faculty of Science, Cairo University, Cairo 12613, Egypt
| | | | | | - Heba N El-Shemy
- Chemistry Department, Faculty of Science, Ain-Shams University, Egypt.,Nuclear Material Authority, Kattameya, Egypt
| | - Abanoub M Abdallah
- Narcotic Research Department, National Center for Social and Criminological Research, Giza 11561, Egypt
| | - Peter Metz
- Institute of Organic Chemistry, TU-Dresden, Dresden 01062, Germany
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12
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Zhang ZH, Wu HM, Deng SN, Chai RX, Mwenda MC, Peng YY, Cai D, Chen Y. Synthesis and biological evaluation of 2,4-disubstituted thiazole amide derivatives as anticancer agent. CHEMICAL PAPERS 2018. [DOI: 10.1007/s11696-018-0587-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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13
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Sowmya PV, Poojary B, Kumar V, Vishwanatha U, Shetty P. Fluorinated pyrrole incorporated 2-thiazolyl hydrazone motifs: a new class of antimicrobial and anti tuberculosis agents. Arch Pharm Res 2017:10.1007/s12272-017-0967-1. [PMID: 29043602 DOI: 10.1007/s12272-017-0967-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 09/25/2017] [Indexed: 11/30/2022]
Abstract
In aim of obtaining novel bio-active compounds, a new series of fluorinated 1-(4-(aryl)thiazol-2-yl)-2-((1-(aryl)-2,5-dimethyl-1H-pyrrol-3-yl)methylene)hydrazines (5a-t) and 1-(4-(4-aryl)thiazol-2-yl)-2-((3-(2,4-dichlorophenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)hydrazines (8a-d) were synthesized and screened for their antibacterial and antifungal activities. The potent compounds were further screened in vitro for anti-tuberculosis activity against Mycobacterium tuberculosis H37Rv strain. Compounds 5a, 5c-5h and 5m were found to be good inhibitors of B. subtilis with MIC ranging from 0.2 to 0.8 µg mL-1, which are nearly three to ten times more potent than the standard drug Ciprofloxacin. Compounds 5a, 5h-5k and 5o exhibited potent antifungal activity against C. albicans strain with MIC ranging from 0.4 to 1.6 µg mL-1. Compounds 8a-8c were found to be excellent inhibitors of A. niger. Compounds 5a and 5k showed significant anti tubercular activity with MIC 3.12 and 6.25 µg mL-1 respectively. Furthermore, highly active compounds were tested for their preliminary toxicity profile by hemolytic assay and were found to be non hemolytic at higher concentration with good selectivity index. Cytotoxicity of the potent compounds 5a, 5d, 5g, 5i and 5k was checked by MTT assay using normal embryonic kidney cell line HEK 293 and found to be non-toxic up to 50-200 times the MIC for antibacterial activity.
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Affiliation(s)
- P V Sowmya
- Department of Chemistry, Mangalore University, Mangalagangothri, Karnataka, 574199, India
| | - Boja Poojary
- Department of Chemistry, Mangalore University, Mangalagangothri, Karnataka, 574199, India.
| | - Vasantha Kumar
- Department of Chemistry, SDM College (Autonomus), Ujire, Karnataka, 574240, India
| | - U Vishwanatha
- Department of Biotechnology and Microbiology, SDM Centre for Research in Ayurveda and Allied Sciences, Kuthpady, Udupi, Karnataka, 574118, India
| | - Premalatha Shetty
- Department of Biotechnology and Microbiology, SDM Centre for Research in Ayurveda and Allied Sciences, Kuthpady, Udupi, Karnataka, 574118, India
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14
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Gomha SM, El-Hashash MA, Edrees MM, El-Arab EE. Synthesis, Characterization, and Molecular Docking of Novel bis
-thiazolyl Thienothiophene Derivatives as Promising Cytotoxic Antitumor Drug. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2869] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sobhi M. Gomha
- Department of Chemistry, Faculty of Science; Cairo University; Giza Egypt
| | - Maher A. El-Hashash
- Chemistry Department, Faculty of Science; Ain Shams University; Abbassia Cairo Egypt
| | - Mastoura M. Edrees
- Department of Organic Chemistry; National Organization for Drug Control and Research (NODCAR); Giza Egypt
- Department of Chemistry, Faculty of Science; King Khalid University; Abha KSA
| | - Elham Ezz El-Arab
- Department of Organic Chemistry; National Organization for Drug Control and Research (NODCAR); Giza Egypt
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15
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Alam MS, Lee DU. Physicochemical analyses of a bioactive 4-aminoantipyrine analogue - synthesis, crystal structure, solid state interactions, antibacterial, conformational and docking studies. EXCLI JOURNAL 2016; 15:614-629. [PMID: 28096791 PMCID: PMC5225685 DOI: 10.17179/excli2016-477] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 08/22/2016] [Indexed: 11/10/2022]
Abstract
A novel Schiff base derivative of 4-aminoantipyrine, that is, (E)-4-(2-methoxybenzylideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one (MBA-dMPP), was synthesized and characterized by FT-IR, 1H-NMR, and EI-MS. Single-crystal X-ray diffraction data revealed MBA-dMPP adopts a trans configuration around its central C=N double bond, and forms orthorhombic crystals. XRD revealed that MBA-dMPP possess two different planes, in which the pyrazolone and benzylidene groups attached to C9 of the pyrazolone ring are almost coplanar and the phenyl ring connected to the N1 atom of the pyrazolone moiety lies in another plane. The intermolecular, host-guest C-H…O, C-H…N, and C-H…C van der Waals interactions were found to form a 3D network and confer stability to the MBA-dMPP crystal structure. The quantitative and qualitative solid state behaviors of MBA-dMPP were subjected to 3D Hirshfeld surface analysis and 2D fingerprint plotting. Reciprocal H…H contacts contributed most (52.9 %) to the Hirshfeld surface, followed by C…H/H…C contacts (30.2 %), whereas, O…H/H…O and N…H/H…N interactions contributed 15.5 % to the Hirshfeld surface. Electrostatic potentials were mapped over the Hirshfeld surface to analyze electrostatic complementarities within the MBA-dMPP crystal. In addition, geometrical descriptors were also analyzed to the extent of surface interactions. MBA-dMPP was also investigated for in vitro antibacterial activity against Gram-positive and Gram-negative bacterial strains, and showed highest activity against Bacillus cereus (MIC = 12.5 μg mL-1) and Salmonellatythimurium (MIC = 50 μg mL-1). In silico screening was conducted by docking MBA-dMPP on the active site of S12 bacterial protein (an important therapeutic target of antibacterial agents) and its binding properties were compared with those of ciprofloxacin. Moreover, a field points map of MBA-dMPP ligand was studied to determine electrostatic and van der Waals forces, hydrophobic potentials, and positions involved in ligand-receptor interactions. Finally, the torsion energies of crystal structure and optimized and bioactive conformers of MBA-dMPP were compared to predict its bioactive conformation.
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Affiliation(s)
- Mohammad Sayed Alam
- Division of Bioscience, Dongguk University, Gyeongju 780-714, Republic of Korea
- Department of Chemistry, Jagannath University, Dhaka 1100, Bangladesh
| | - Dong-Ung Lee
- Division of Bioscience, Dongguk University, Gyeongju 780-714, Republic of Korea
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Morales S, Aceña JL, García Ruano JL, Cid MB. Sustainable Synthesis of Oximes, Hydrazones, and Thiosemicarbazones under Mild Organocatalyzed Reaction Conditions. J Org Chem 2016; 81:10016-10022. [PMID: 27668816 DOI: 10.1021/acs.joc.6b01912] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Pyrrolidine catalyzes very efficiently, presumably via iminium activation, the formation of acyloximes, acylhydrazones, and thiosemicarbazones derived from aromatic and aliphatic aldehydes using equimolar amounts of reagents and green solvents. Experimental simplicity and excellent yields after a simple filtration are the main advantages of the method, being an alternative to those currently available especially for the acyl derivatives, which do not work under uncatalyzed conditions. Its application to the synthesis of acyloximes by direct condensation between aldehydes and acylhydroxylamines is unprecedented.
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Affiliation(s)
- Sara Morales
- Department of Organic Chemistry, Universidad Autónoma de Madrid , Cantoblanco, 28049 Madrid, Spain
| | - José Luis Aceña
- Department of Organic Chemistry, Universidad Autónoma de Madrid , Cantoblanco, 28049 Madrid, Spain
| | - José Luis García Ruano
- Department of Organic Chemistry, Universidad Autónoma de Madrid , Cantoblanco, 28049 Madrid, Spain
| | - M Belén Cid
- Department of Organic Chemistry, Universidad Autónoma de Madrid , Cantoblanco, 28049 Madrid, Spain
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17
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Ghanbari Pirbasti F, Mahmoodi NO, Abbasi Shiran J. Synthesis and evaluation of biological activities of 4-cyclopropyl-5-(2-fluorophenyl) arylhydrazono-2,3-dihydrothiazoles as potent antioxidant agents. J Sulphur Chem 2016. [DOI: 10.1080/17415993.2015.1122009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- F. Ghanbari Pirbasti
- Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box 41335-1914, Rasht, Iran
| | - Nosrat O. Mahmoodi
- Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box 41335-1914, Rasht, Iran
| | - Jafar Abbasi Shiran
- Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box 41335-1914, Rasht, Iran
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18
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Ghanbari Pirbasti F, Mahmoodi NO. Facile synthesis and biological assays of novel 2,4-disubstituted hydrazinyl-thiazoles analogs. Mol Divers 2016; 20:497-506. [DOI: 10.1007/s11030-015-9654-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 12/29/2015] [Indexed: 12/31/2022]
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19
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Rahim F, Javed MT, Ullah H, Wadood A, Taha M, Ashraf M, Qurat-ul-Ain, Khan MA, Khan F, Mirza S, Khan KM. Synthesis, molecular docking, acetylcholinesterase and butyrylcholinesterase inhibitory potential of thiazole analogs as new inhibitors for Alzheimer disease. Bioorg Chem 2015; 62:106-16. [DOI: 10.1016/j.bioorg.2015.08.002] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2015] [Revised: 08/12/2015] [Accepted: 08/16/2015] [Indexed: 01/07/2023]
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20
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Nastasă C, Tiperciuc B, Duma M, Benedec D, Oniga O. New Hydrazones Bearing Thiazole Scaffold: Synthesis, Characterization, Antimicrobial, and Antioxidant Investigation. Molecules 2015; 20:17325-38. [PMID: 26393564 PMCID: PMC6332171 DOI: 10.3390/molecules200917325] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Revised: 09/03/2015] [Accepted: 09/09/2015] [Indexed: 12/20/2022] Open
Abstract
New series of hydrazones 5–18 were synthesized, in good yields, by reacting 4-methyl-2-(4-(trifluoromethyl)phenyl)thiazole-5-carbohydrazide with differently substituted benzaldehyde. The resulting compounds were characterized via elemental analysis, physico-chemical and spectral data. An antimicrobial screening was done, using Gram (+), Gram (−) bacteria and one fungal strain. Tested molecules displayed moderate-to-good growth inhibition activity. 2,2-Diphenyl-1-picrylhydrazide assay was used to test the antioxidant properties of the compounds. Monohydroxy (14–16), para-fluorine (13) and 2,4-dichlorine (17) derivatives exhibited better free-radical scavenging ability than the other investigated molecules.
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Affiliation(s)
- Cristina Nastasă
- Department of Pharmaceutical Chemistry, "Iuliu Hațieganu" University of Medicine and Pharmacy 41 Victor Babeș Street, RO-400012 Cluj-Napoca, Romania.
| | - Brîndușa Tiperciuc
- Department of Pharmaceutical Chemistry, "Iuliu Hațieganu" University of Medicine and Pharmacy 41 Victor Babeș Street, RO-400012 Cluj-Napoca, Romania.
| | - Mihaela Duma
- State Veterinary Laboratory for Animal Health and Safety, 1 Piața Mărăști Street, 400609 Cluj-Napoca, Romania.
| | - Daniela Benedec
- Department of Pharmacognosy, "Iuliu Hațieganu" University of Medicine and Pharmacy, 12 Ion Creangă Street, RO-400010 Cluj-Napoca, Romania.
| | - Ovidiu Oniga
- Department of Pharmaceutical Chemistry, "Iuliu Hațieganu" University of Medicine and Pharmacy 41 Victor Babeș Street, RO-400012 Cluj-Napoca, Romania.
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Pereira de Sá N, Lino CI, Fonseca NC, Borelli BM, Ramos JP, Souza-Fagundes EM, Rosa CA, Santos DA, Barbosa de Oliveira R, Johann S. Thiazole compounds with activity against Cryptococcus gattii and Cryptococcus neoformans in vitro. Eur J Med Chem 2015; 102:233-42. [PMID: 26276437 DOI: 10.1016/j.ejmech.2015.07.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Revised: 06/08/2015] [Accepted: 07/16/2015] [Indexed: 11/29/2022]
Abstract
Human cryptococcosis can occur as a primary or opportunistic infection and develop as an acute, subacute, or chronic, systemic infection involving different host organs. We evaluated the antifungal activity of thirteen compounds against Cryptococcus gattii and Cryptococcus neoformans in vitro, by assessing the toxicity of the compounds showing the greatest antifungal activity in VERO cells and murine macrophages. From these results, four compounds were considered promising for further studies because they displayed low cytotoxicity and significant antifungal activity. The heterocyclic compounds 1b, 1c, 1d, and 1m have antifungal activity levels between that of amphotericin B and fluconazole in vitro. The death curve of Cryptococcus spp. treated with these four compounds was similar to the curve obtained for amphotericin B, in that we observed a significant reduction in cell viability within the first 24 h of treatment. Additionally, we found that there was no effect when these compounds were combined with amphotericin and fluconazole, except for 1c, which antagonized the effect of amphotericin B against C. gattii, also reflected in the reduction of the post-antifungal effect (PAFE); however, this interaction did not alter the ergosterol content. The results shown in this paper reveal the discovery of novel thiazole compounds, which are easy to synthesize, and with potentially exhibit antifungal activity, and display low cytotoxicity in normal mammalian cells. These compounds can be used as prototypes for the design of new antifungal drugs against C. gattii and C. neoformans.
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Affiliation(s)
- Nívea Pereira de Sá
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Cleudiomar Inácio Lino
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia da UFMG, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Nayara Cristina Fonseca
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia da UFMG, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Beatriz Martins Borelli
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Jonas Pereira Ramos
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Elaine Maria Souza-Fagundes
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Carlos Augusto Rosa
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Daniel Assis Santos
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Renata Barbosa de Oliveira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia da UFMG, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Susana Johann
- Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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22
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Zhou W, Ni S, Mei H, Han J, Pan Y. Cyclization reaction of N -allylbenzothioamide for direct construction of thiazole and thiazoline. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.05.047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Mallia CJ, Englert L, Walter GC, Baxendale IR. Thiazole formation through a modified Gewald reaction. Beilstein J Org Chem 2015; 11:875-83. [PMID: 26124889 PMCID: PMC4464301 DOI: 10.3762/bjoc.11.98] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Accepted: 04/23/2015] [Indexed: 11/23/2022] Open
Abstract
The synthesis of thiazoles and thiophenes starting from nitriles, via a modified Gewald reaction has been studied for a number of different substrates. 1,4-Dithiane-2,5-diol was used as the aldehyde precursor to give either 2-substituted thiazoles or 2-substituted aminothiophenes depending on the substitution of the α-carbon to the cyano group.
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Affiliation(s)
- Carl J Mallia
- Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, United Kingdom
| | - Lukas Englert
- Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, United Kingdom
| | - Gary C Walter
- Syngenta CP R&D Chemistry, Jealott's Hill International Research Centre, Bracknell, Berkshire, RG42 6EY, United Kingdom
| | - Ian R Baxendale
- Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, United Kingdom
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Synthesis of a sugar-based thiosemicarbazone series and structure-activity relationship versus the parasite cysteine proteases rhodesain, cruzain, and Schistosoma mansoni cathepsin B1. Antimicrob Agents Chemother 2015; 59:2666-77. [PMID: 25712353 DOI: 10.1128/aac.04601-14] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 02/02/2015] [Indexed: 01/27/2023] Open
Abstract
The pressing need for better drugs against Chagas disease, African sleeping sickness, and schistosomiasis motivates the search for inhibitors of cruzain, rhodesain, and Schistosoma mansoni CB1 (SmCB1), the major cysteine proteases from Trypanosoma cruzi, Trypanosoma brucei, and S. mansoni, respectively. Thiosemicarbazones and heterocyclic analogues have been shown to be both antitrypanocidal and inhibitory against parasite cysteine proteases. A series of compounds was synthesized and evaluated against cruzain, rhodesain, and SmCB1 through biochemical assays to determine their potency and structure-activity relationships (SAR). This approach led to the discovery of 6 rhodesain, 4 cruzain, and 5 SmCB1 inhibitors with 50% inhibitory concentrations (IC50s) of ≤ 10 μM. Among the compounds tested, the thiosemicarbazone derivative of peracetylated galactoside (compound 4i) was discovered to be a potent rhodesain inhibitor (IC50 = 1.2 ± 1.0 μM). The impact of a range of modifications was determined; removal of thiosemicarbazone or its replacement by semicarbazone resulted in virtually inactive compounds, and modifications in the sugar also diminished potency. Compounds were also evaluated in vitro against the parasites T. cruzi, T. brucei, and S. mansoni, revealing active compounds among this series.
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25
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Gu J, Cai C. Pd/Cu-cocatalyzed reigoselective arylation of thiazole derivatives at 2-position under ligand-free conditions. RSC Adv 2015. [DOI: 10.1039/c5ra08703a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An efficient protocol for regioselective arylation of thiazole derivatives at the 2-position via palladium- and copper-catalyzed C–H bond activation under ligand-free conditions has been developed.
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Affiliation(s)
- Jian Gu
- Chemical Engineering College
- Nanjing University of Science & Technology
- Nanjing
- P. R. China
| | - Chun Cai
- Chemical Engineering College
- Nanjing University of Science & Technology
- Nanjing
- P. R. China
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26
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Gomha S, Khalil K, Abdel-aziz H, Abdalla M. Synthesis and Antihypertensive α-Blocking Activity Evaluation of Thiazole Derivatives Bearing Pyrazole Moiety. HETEROCYCLES 2015. [DOI: 10.3987/com-15-13290] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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27
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Alam M, Lee DU. Eco-friendly synthesis, physicochemical studies, biological assay and molecular docking of steroidal oxime-ethers. EXCLI JOURNAL 2015; 14:394-407. [PMID: 27330525 PMCID: PMC4908662 DOI: 10.17179/excli2014-675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 02/10/2015] [Indexed: 11/10/2022]
Abstract
The aim of this study was to report the synthesis of biologically active compounds; 7-(2'-aminoethoxyimino)-cholest-5-ene (4), a steroidal oxime-ether and its derivatives (5, 6) via a facile microwave assisted solvent free reaction methodology. This new synthetic, eco-friendly, sustainable protocol resulted in a remarkable improvement in the synthetic efficiency (85-93 % yield) and high purity using basic alumina. The synthesized compounds were screened for their antibacterial against six bacterial strains by disc diffusion method and antioxidant potential by DPPH assay. The binding capabilities of a compound 6 exhibiting good antibacterial potential were assessed on the basis of molecular docking studies and four types of three-dimensional molecular field descriptors. Moreover the structure-antimicrobial activity relationships were studied using some physicochemical and quantum-chemical parameters with GAMESS interface as well as WebMO Job Manager by using the basic level of theory. Hence, this synthetic approach is believed to provide a better scope for the synthesis of steroidal oxime-ether analogues and will be a more practical alternative to the presently existing procedures. Moreover, detailed in silico docking studies suggested the plausible mechanism of steroidal oxime-ethers as effective antimicrobial agents.
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Affiliation(s)
- Mahboob Alam
- Division of Bioscience, Dongguk University, Gyeongju 780-714, Republic of Korea
| | - Dong-Ung Lee
- Division of Bioscience, Dongguk University, Gyeongju 780-714, Republic of Korea
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Çakır G, Küçükgüzel İ, Guhamazumder R, Tatar E, Manvar D, Basu A, Patel BA, Zia J, Talele TT, Kaushik-Basu N. Novel 4-Thiazolidinones as Non-Nucleoside Inhibitors of Hepatitis C Virus NS5B RNA-Dependent RNA Polymerase. Arch Pharm (Weinheim) 2014; 348:10-22. [DOI: 10.1002/ardp.201400247] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 09/07/2014] [Accepted: 10/01/2014] [Indexed: 12/29/2022]
Affiliation(s)
- Gizem Çakır
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry; Marmara University; Haydarpaşa İstanbul Turkey
| | - İlkay Küçükgüzel
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry; Marmara University; Haydarpaşa İstanbul Turkey
| | - Rupa Guhamazumder
- Department of Biochemistry & Molecular Biology; New Jersey Medical School; The State University of New Jersey; Newark NJ USA
| | - Esra Tatar
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry; Marmara University; Haydarpaşa İstanbul Turkey
| | - Dinesh Manvar
- Department of Biochemistry & Molecular Biology; New Jersey Medical School; The State University of New Jersey; Newark NJ USA
| | - Amartya Basu
- Department of Biochemistry & Molecular Biology; New Jersey Medical School; The State University of New Jersey; Newark NJ USA
| | - Bhargav A. Patel
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences; St. John's University; Queens NY USA
| | - Javairia Zia
- Department of Biochemistry & Molecular Biology; New Jersey Medical School; The State University of New Jersey; Newark NJ USA
| | - Tanaji T. Talele
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences; St. John's University; Queens NY USA
| | - Neerja Kaushik-Basu
- Department of Biochemistry & Molecular Biology; New Jersey Medical School; The State University of New Jersey; Newark NJ USA
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30
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Grozav A, Găină LI, Pileczki V, Crisan O, Silaghi-Dumitrescu L, Therrien B, Zaharia V, Berindan-Neagoe I. The synthesis and antiproliferative activities of new arylidene-hydrazinyl-thiazole derivatives. Int J Mol Sci 2014; 15:22059-72. [PMID: 25470024 PMCID: PMC4284694 DOI: 10.3390/ijms151222059] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 11/12/2014] [Accepted: 11/17/2014] [Indexed: 11/16/2022] Open
Abstract
New and known arylidene-hydrazinyl-thiazole derivatives have been synthesized by a convenient Hantzsch condensation. All compounds were evaluated for their in vitro cytotoxicity on two carcinoma cell lines, MDA-MB231 and HeLa. Significant antiproliferative activity for 2-(2-benzyliden-hydrazinyl)-4-methylthiazole on both MDA-MB-231 (IC50: 3.92 µg/mL) and HeLa (IC50: 11.4 µg/mL) cell lines, and for 2-[2-(4-methoxybenzylidene) hydrazinyl]-4-phenylthiazole on HeLa (IC50: 11.1 µg/mL) cell line is reported. Electrophoresis experiments showed no plasmid DNA (pTZ57R) cleavage in the presence of the investigated thiazoles.
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Affiliation(s)
- Adriana Grozav
- Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy, Victor Babes 41, RO-400012 Cluj-Napoca, Romania.
| | - Luiza Ioana Găină
- Faculty of Chemistry and Chemical Engineering, University "Babes-Bolyai", M. Kogalniceanu 1, RO-400028 Cluj-Napoca.
| | - Valentina Pileczki
- Research Center of Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Marinescu 23, RO-400337 Cluj-Napoca, Romania.
| | - Ovidiu Crisan
- Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy, Victor Babes 41, RO-400012 Cluj-Napoca, Romania.
| | - Luminita Silaghi-Dumitrescu
- Faculty of Chemistry and Chemical Engineering, University "Babes-Bolyai", M. Kogalniceanu 1, RO-400028 Cluj-Napoca.
| | - Bruno Therrien
- Institut de Chimie, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland.
| | - Valentin Zaharia
- Faculty of Pharmacy, "Iuliu Hatieganu" University of Medicine and Pharmacy, Victor Babes 41, RO-400012 Cluj-Napoca, Romania.
| | - Ioana Berindan-Neagoe
- Research Center of Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Marinescu 23, RO-400337 Cluj-Napoca, Romania.
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31
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Reyes-Martínez R, Carballo RM, Mena-Rejón GJ, Hernández-Ortega S, Cáceres-Castillo D. Bis(2-amino-4-phenyl-1,3-thia-zol-3-ium) tetra-chlorido-palladate(II). Acta Crystallogr Sect E Struct Rep Online 2014; 70:m295. [PMID: 25249879 PMCID: PMC4158524 DOI: 10.1107/s1600536814015360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 07/01/2014] [Indexed: 11/10/2022]
Abstract
The title compound, (C9H9N2S)2[PdCl4], consists of two monoprotonated 2-amino-4-phenyl-1,3-thia-zole molecules and one tetra-chlorido-palladate anion. The organic molecules exhibit a dihedral angle between the main rings planes of 31.82 (9)°. In the anion, the Pd(II) atom is located on a crystallographic centre of symmetry with a square-planar geometry. In the crystal, the anions and cations are connected through bifurcated N-H⋯Cl hydrogen bonds, and these inter-actions lead to hydrogen-bonded tapes of cations and anions along [100].
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Affiliation(s)
- Reyna Reyes-Martínez
- Facultad de Química, Universidad Autónoma de Yucatán, Calle 41 No. 421, Col. Industrial, CP97150, Mérida, Yucatán, Mexico
| | - Rubén M Carballo
- Facultad de Química, Universidad Autónoma de Yucatán, Calle 41 No. 421, Col. Industrial, CP97150, Mérida, Yucatán, Mexico
| | - Gonzalo J Mena-Rejón
- Facultad de Química, Universidad Autónoma de Yucatán, Calle 41 No. 421, Col. Industrial, CP97150, Mérida, Yucatán, Mexico
| | - Simón Hernández-Ortega
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito exterior, Ciudad Universitaria, México, DF, 04510, Mexico
| | - David Cáceres-Castillo
- Facultad de Química, Universidad Autónoma de Yucatán, Calle 41 No. 421, Col. Industrial, CP97150, Mérida, Yucatán, Mexico
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32
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Lohrey L, Uehara TN, Tani S, Yamaguchi J, Humpf HU, Itami K. 2,4- and 2,5-Disubstituted Arylthiazoles: Rapid Synthesis by C-H Coupling and Biological Evaluation. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402129] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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33
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Kuznetsov MA, Bespalov AY. One-pot, Three-component Synthesis of [1,3]thiazolo[4,3-b][1,3,4]thiadiazoles: Correct Structure of the Products. Chem Heterocycl Compd (N Y) 2014. [DOI: 10.1007/s10593-014-1396-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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34
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Tani S, Uehara TN, Yamaguchi J, Itami K. Programmed synthesis of arylthiazoles through sequential C–H couplings. Chem Sci 2014. [DOI: 10.1039/c3sc52199k] [Citation(s) in RCA: 176] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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35
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Alam MS, Ahmed JU, Lee DU. Synthesis, Antibacterial, Antioxidant Activity and QSAR Studies of Novel 2-Arylidenehydrazinyl-4-arylthiazole Analogues. Chem Pharm Bull (Tokyo) 2014; 62:1259-68. [DOI: 10.1248/cpb.c14-00616] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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36
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Alam MS, Nam YJ, Lee DU. Synthesis and evaluation of (Z)-2,3-diphenylacrylonitrile analogs as anti-cancer and anti-microbial agents. Eur J Med Chem 2013; 69:790-7. [PMID: 24113364 DOI: 10.1016/j.ejmech.2013.08.031] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2013] [Revised: 08/25/2013] [Accepted: 08/31/2013] [Indexed: 11/26/2022]
Abstract
In the present study, a series of (Z)-2,3-diphenylacrylonitrile analogs were synthesized and then evaluated in terms of their cytotoxic activities against four human cancer cell lines, e.g. lung cancer (A549), ovarian cancer (SK-OV-3), skin cancer (SK-MEL-2), and colon cancer (HCT15), as well as anti-microbial activities against three microbes, e.g. Staphylococcus aureus, Salmonella typhi, and Aspergillus niger. The title compounds were synthesized by Knoevenagel condensation reaction of benzyl cyanide or p-nitrobenzyl cyanide with substituted benzaldehydes in good yields. Most of the compounds exhibited significant suppressive activities against the growth of all cancer cell lines. Compound 3c was most active in inhibiting the growth of A549, SK-OV-3, SK-MEL-2, and HCT15 cells lines with IC50 values of 0.57, 0.14, 0.65, and 0.34 mg/mL, respectively, followed by compounds 3f, 3i, and 3h. Compound 3c exhibited 2.4 times greater cytotoxic activity against HCT15 cells, whereas it showed similar potency against SK-OV-3 cells to that of the standard anti-cancer agent doxorubicin. Structure-activity relationship study revealed that electron-donating groups at the para-position of phenyl ring B were more favorable for improved cytotoxic activity, whereas the presence of electron-withdrawing groups was unfavorable compare to unsubstituted acrylonitrile. An optimal electron density on phenyl ring A of (Z)-2,3-diphenylacrylonitrile analogs was crucial for their cytotoxic activities against human cancer cell lines used in the present study. Qualitative structure-cytotoxic activity relationships were studied using physicochemical parameters; a good correlation between calculated polar surface area (PSA), a lipophobic parameter, and cytotoxic activity was found. Moreover, all compounds showed significant anti-bacterial activities against S. typhi, whereas compound 3k showed potent inhibition against both S. aureus and S. typhi bacterial strains.
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37
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Alam MS, Liu L, Lee DU. Cytotoxicity of New 5-Phenyl-4,5-dihydro-1,3,4-thiadiazole Analogues. Chem Pharm Bull (Tokyo) 2011; 59:1413-6. [DOI: 10.1248/cpb.59.1413] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Mohammad Sayed Alam
- Division of Bioscience, Dongguk University
- Department of Chemistry, Jagannath Univeristy
| | - Lijun Liu
- College of Chemistry and Chemical Engineering, Ningxia University
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