51
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Tratrat C, Haroun M, Xenikakis I, Liaras K, Tsolaki E, Eleftheriou P, Petrou A, Aldhubiab B, Attimarad M, Venugopala KN, Harsha S, Elsewedy HS, Geronikaki A, Soković M. Design, Synthesis, Evaluation of Antimicrobial Activity and Docking Studies of New Thiazole-based Chalcones. Curr Top Med Chem 2019; 19:356-375. [PMID: 30706816 DOI: 10.2174/1568026619666190129121933] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 12/20/2018] [Accepted: 01/22/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Thiazole derivates as well as chalcones, are very important scaffold for medicinal chemistry. Literature survey revealed that they possess wide spectrum of biological activities among which are anti-inflammatory and antimicrobial. OBJECTIVES The current studies describe the synthesis and evaluation of antimicrobial activity of twenty eight novel thiazole-based chalcones. METHODS The designed compounds were synthesized using classical methods of organic synthesis. The in vivo evaluation of antimicrobial activity was performed by microdilution method. RESULTS All compounds have shown antibacterial properties better than that of ampicillin and in many cases better than streptomycin. As far as the antifungal activity is concerned, all compounds possess much higher activity than reference drugs bifonazole and ketoconazole. The most sensitive bacterial species was B. cereus (MIC 6.5-28.4 µmol × 10-2/mL and MBC 14.2-105.0 µmol × 10-2/mL) while the most resistant ones were L. monocytogenes (MIC 21.4-113.6 µmol × 10-2/mL) and E. coli (MIC 10.7- 113.6 µmol × 10-2/mL) and MBC at 42.7-358.6 µmol × 10-2/mL and 21.4-247.2 µmol × 10-2/mL, respectively. All the compounds exhibited antibacterial activity against the three resistant strains, MRSA, P. aeruginosa and E.coli. with MIC and MBC in the range of 0.65-11.00 µmol/mL × 10-2 and 1.30-16.50 µmol/mL × 10-2. Docking studies were performed. CONCLUSION Twenty-eight novel thiazole-based chalcones were designed, synthesized and evaluated for antimicrobial activity. The results showed that these derivatives could be lead compounds in search of new potent antimicrobial agents. Docking studies indicated that DNA gyrase, GyrB and MurA inhibition may explain the antibacterial activity.
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Affiliation(s)
- Christophe Tratrat
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Michelyne Haroun
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Iakovos Xenikakis
- School of Health, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Konstantinos Liaras
- School of Health, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Evangelia Tsolaki
- School of Health, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Phaedra Eleftheriou
- Department of Medical Laboratory Studies, School of Health and Medical Care, Alexander Technological Educational Institute of Thessaloniki, 54700, Sindos, Thessaloniki, Greece
| | - Anthi Petrou
- School of Health, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Bandar Aldhubiab
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mahesh Attimarad
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Katharigatta N Venugopala
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia.,Department of Biotechnology and Food Technology, Faculty of Applied Sciences, Durban University of Technology, Durban 4001, South Africa
| | - Sree Harsha
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Heba S Elsewedy
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Athina Geronikaki
- School of Health, Faculty of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Marina Soković
- Institute for Biological Research "S. Stankovic", Mycological Laboratory, University of Belgrade, Belgrade 11000, Serbia
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52
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Sujatha K, Vedula RR. Polyethylene glycol (PEG-400) promoted one-pot, five-component synthesis of (E)-ethyl2-(2-((E)-2-(1-(4-methyl-2-(phenylamino)thiazol-5yl)ethylidene)hydrazinyl)-4-oxothiazol-5(4H)-ylidene)acetates. Mol Divers 2019; 24:413-421. [PMID: 31123896 DOI: 10.1007/s11030-019-09962-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 05/16/2019] [Indexed: 11/30/2022]
Abstract
A facile, inexpensive and eco-friendly synthesis of functionalised (E)-ethyl2-(2-((E)-2-(1-(4-methyl-2-(phenylamino)thiazol-5yl)ethylidene)hydrazinyl)14-oxothiazol-5(4H)-ylidene)acetates has been developed via one-pot five-component approach. The title compounds were synthesized by the reaction of anilines, 3-chloropentane-2,4-dione, ammoniumthiocyanate, thiosemicarbazide and dialkylacetylene dicarboxylate using polyethylene glycol as green and recyclable solvent. The domino reaction proceeded smoothly in good-to-excellent yields.
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Affiliation(s)
- Kodam Sujatha
- Department of Chemistry, National Institute of Technology, Warangal, Telangana, 506 004, India
| | - Rajeswar Rao Vedula
- Department of Chemistry, National Institute of Technology, Warangal, Telangana, 506 004, India.
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53
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Al-Wahaibi LH, Alsfouk A, El-Emam AA, Blacque O. Crystal structures and Hirshfeld surface analysis of 2-(adamantan-1-yl)-5-(4-fluoro-phen-yl)-1,3,4-oxa-diazole and 2-(adamantan-1-yl)-5-(4-chloro-phen-yl)-1,3,4-oxa-diazole. Acta Crystallogr E Crystallogr Commun 2019; 75:611-615. [PMID: 31110797 PMCID: PMC6505599 DOI: 10.1107/s2056989019004651] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 04/05/2019] [Indexed: 11/26/2022]
Abstract
The crystal structures of the title adamantane-oxa-diazole hybrid compounds, C18H19FN2O (I) and C18H19ClN2O (II), are built up from an adamantane unit and a halogenophenyl ring, [X = F (I), Cl (II)], in position 5 on the central 1,3,4-oxa-diazole unit. The mol-ecular structures are very similar, only the relative orientation of the halogenophenyl ring in comparison with the central five-membered ring differs slightly. In the crystals of both compounds, mol-ecules are linked by pairs of C-H⋯N hydrogen bonds, forming inversion dimers with R 2 2(12) ring motifs. In (I) the dimers are connected by C-H⋯F inter-actions, forming slabs lying parallel to the bc plane. In (II), the dimers are linked by C-H⋯π and offset π-π inter-actions [inter-planar distance = 3.4039 (9) Å], forming layers parallel to (10).
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Affiliation(s)
- Lamya H. Al-Wahaibi
- Department of Chemistry, College of Sciences, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Aisha Alsfouk
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Ali A. El-Emam
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
| | - Olivier Blacque
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
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54
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Shundalau M, Mindarava YL, Matsukovich AS, Gaponenko SV, El-Emam AA, Alkahtani HN. Structural, Vibrational and UV/Vis Studies of Adamantane-Containing Triazole Thiones by Spectral, DFT and Multi-reference ab initio Methods. ACTA ACUST UNITED AC 2019. [DOI: 10.1515/zpch-2018-1271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Abstract
The Fourier transform infrared and Raman spectra of two adamantane-containing triazole thiones, namely 3-(adamantan-1-yl)-1-[(4-benzylpiperazin-1-yl)methyl]-4-phenyl-1H-1,2,4-triazole-5(4H)-thione and 3-(adamantan-1-yl)-4-phenyl-1-[(4-phenylpiperazin-1-yl)methyl]-1H-1,2,4-triazole-5(4H)-thione, were examined in the ranges of 3200–650 cm−1 and 3200–150 cm−1, respectively. The density functional theory calculations were performed for the geometric structures and vibrational spectra for the title molecules. The accurate equilibrium geometry structures of the molecules were determined on the basis of full geometry optimization at the B3LYP/cc-pVDZ level of the theory. The IR and Raman vibrational spectra were calculated and compared with the experimental ones. The experimental vibrational FT-IR and Raman spectra were interpreted. Based on the structure of the molecules the biological activity indices were predicted. It is established that compounds under consideration are very likely to exhibit the analgesic activities. The UV/Vis spectra of solution of the compounds in ethanol were measured in the range of 450–200 nm. The UV/Vis spectra simulations at the Time-Dependent DFT and Multi-Reference Perturbation Theory levels of theory demonstrate unsuitability of the TDDFT for description of the experimental spectra of the title molecules. It is highly probable that this is a consequence of the intramolecular charge transfer. In contrast, the MRPT results are in a good agreement with the experimental spectra.
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Affiliation(s)
- Maksim Shundalau
- Faculty of Physics, Belarusian State University , 4 Nezaležnaści Ave. , 220030 Minsk , Belarus
- A.N. Sevchenko Institute of Applied Physical Problems at Belarusian State University , 7 Kurčatau Str. , 220108 Minsk , Belarus
| | - Yuliya L. Mindarava
- Faculty of Physics, Belarusian State University , 4 Nezaležnaści Ave. , 220030 Minsk , Belarus
| | - Anna S. Matsukovich
- B.I. Stepanov Institute of Physics, National Academy of Science of Belarus , 68 Nezaležnaści Ave. , 220072 Minsk , Belarus
| | - Sergey V. Gaponenko
- Faculty of Physics, Belarusian State University , 4 Nezaležnaści Ave. , 220030 Minsk , Belarus
- B.I. Stepanov Institute of Physics, National Academy of Science of Belarus , 68 Nezaležnaści Ave. , 220072 Minsk , Belarus
| | - Ali A. El-Emam
- Department of Medicinal Chemistry, Faculty of Pharmacy , University of Mansoura , Mansour 35516 , Egypt
| | - Hamad N. Alkahtani
- Department of Pharmaceutical Chemistry , College of Pharmacy, King Saud University , Riyadh 11451 , Saudi Arabia
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55
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Chawla P, Kalra S, Kumar R, Singh R, Saraf SK. Novel 2-(substituted phenyl Imino)-5-benzylidene-4-thiazolidinones as possible non-ulcerogenic tri-action drug candidates: synthesis, characterization, biological evaluation And docking studies. Med Chem Res 2019. [DOI: 10.1007/s00044-018-02288-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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56
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Ulusoy Güzeldemirci N, Cimok S, Daş-Evcimen N, Sarikaya M. Synthesis and Aldose Reductase Inhibitory Effect of Some New Hydrazinecarbothioamides and 4-Thiazolidinones Bearing an Imidazo[2,1- b]Thiazole Moiety. Turk J Pharm Sci 2018; 16:1-7. [PMID: 32454687 DOI: 10.4274/tjps.05900] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 11/30/2017] [Indexed: 12/22/2022]
Abstract
Objectives To synthesize and characterize 2-[[6-(4-bromophenyl)imidazo[2,1-b]thiazol-3-yl]acetyl]-N-alkyl/arylhydrazinecarbothioamide and 3-alkyl/aryl-2-[((6-(4-bromophenyl)imidazo[2,1-b]thiazol-3-yl)acetyl)hydrazono]-5-nonsubstituted/methyl-4-thiazolidinone derivatives and evaluate them for their aldose reductase (AR) inhibitory effect. Materials and Methods 2-[[6-(4-bromophenyl)imidazo[2,1-b]thiazol-3-yl]acetyl]-N-alkyl/arylhydrazinecarbothioamides (3a-f) and 3-alkyl/aryl-2-[((6-(4-bromophenyl)imidazo[2,1-b]thiazol-3-yl)acetyl)hydrazono]-5-nonsubstituted/methyl-4-thiazolidinones (4a-j) were synthesized from 2-[6-(4-bromophenyl)imidazo[2,1-b]thiazole-3-yl]acetohydrazide (2). Their structures were elucidated by elemental analyses and spectroscopic data. The synthesized compounds were tested for their ability to inhibit rat kidney AR. Results Among the synthesized compounds, 2-[[6-(4-bromophenyl)imidazo[2,1-b]thiazol-3-yl]acetyl]-N-benzoylhydrazinecarbothioamide (3d) showed the best AR inhibitory activity. Conclusion The findings of this study indicate that the different derivatives of the compounds in this study may be considered interesting candidates for future research.
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Affiliation(s)
| | - Selin Cimok
- İstanbul University, Faculty of Pharmacy, Department of Pharmaceutical Chemistry, İstanbul, Turkey
| | - Net Daş-Evcimen
- Ankara University, Faculty of Pharmacy, Department of Biochemistry, Ankara, Turkey
| | - Mutlu Sarikaya
- Ankara University, Faculty of Pharmacy, Department of Biochemistry, Ankara, Turkey
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57
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Barghash RF, Geronikaki A, Abdou WM. Synthesis of a Series of Substituted Thiazole Derivatives: New COX‐2 Enzyme Inhibitors for Colon Cancer and Inflammation Treatment. ChemistrySelect 2018. [DOI: 10.1002/slct.201802969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Reham F. Barghash
- Chemical Research Industries DivisionNational Research Centre Dokki. D-12622, Giza Egypt
| | - Athina Geronikaki
- School of PharmacyAristotle, University of Thessaloniki, Thessaloniki Greece
| | - Wafaa M. Abdou
- Chemical Research Industries DivisionNational Research Centre Dokki. D-12622, Giza Egypt
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58
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Arshad M, Shoeb Khan M, Asghar Nami SA, Ahmad D. Synthesis, Characterization, Computational, Antimicrobial Screening, and MTT Assay of Thiazolidinone Derivatives Containing the Indole and Pyridine Moieties. RUSS J GEN CHEM+ 2018. [DOI: 10.1134/s1070363218100213] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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59
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Fedorchuk A, Slyvka Y, Goreshnik E, Kityk I, Czaja P, Mys’kiv M. Crystal structure and NLO properties of the novel tetranuclear copper(I) chloride π-complex with 3-allyl-2-(allylimino)-1,3-thiazolidin-4-one. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.06.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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60
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El-Mawgoud HKA, Atta-Allah SR, Hemdan MM. Uses of 2-(Thiophene-2-carbonylcarbamothioylthio)acetic Acid as a Good Synthon for Construction of Some New Thiazole and Annulated Thiazole Derivatives. Chem Pharm Bull (Tokyo) 2018; 66:992-998. [PMID: 30270245 DOI: 10.1248/cpb.c18-00482] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The reaction of thiophene-2-carbonyl isothiocyanate 2 with thioglycolic acid gave 2-(thiophene-2-carbonylcarbamothioylthio)acetic acid 3. Compound 3 was subjected to some selected reactions with sulphuric acid as well as benzaldehyde, piperonal and isatin under different reaction conditions. The products obtained were new derivatives of thiazole and annulated thiazole derivatives bearing thiophene moiety in some cases. The structures of the new synthesized compounds were confirmed on the basis of their microanalytical and spectral properties. Some compounds were tested for their antimicrobial activity against six selected microorganisms using the standard antibacterial Gentamycin and antifungal Ketoconazole as references.
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61
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Hosny M, Salem ME, Darweesh AF, Elwahy AHM. Synthesis of Novel Bis(thiazolylchromen-2-one) Derivatives Linked to Alkyl Spacer via
Phenoxy Group. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3296] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Mohamed Hosny
- Chemistry Department, Faculty of Science; Cairo University; Giza Egypt
| | - Mostafa E. Salem
- Chemistry Department, Faculty of Science; Cairo University; Giza Egypt
| | - Ahmed F. Darweesh
- Chemistry Department, Faculty of Science; Cairo University; Giza Egypt
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62
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El-Sayed EH, Fadda AA. Synthesis and Antimicrobial Activity of Some Novel bis Polyfunctional Pyridine, Pyran, and Thiazole Derivatives. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3276] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Elsherbiny H. El-Sayed
- Department of Chemistry, Faculty of Science; Port Said University; Port Said 42526 Egypt
| | - Ahmed A. Fadda
- Department of Chemistry, Faculty of Science; Mansoura University; El-Mansoura 35511 Egypt
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63
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Al-Wahaibi LH, Hassan HM, Ghabbour HA, El-Emam AA. Crystal structure of 3,5-bis(trifluoromethyl)benzyl( Z)- N-(adamantan-1-yl)morpholine-4-carbothioimidate, C 24H 28F 6N 2OS. Z KRIST-NEW CRYST ST 2018. [DOI: 10.1515/ncrs-2017-0365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C24H28F6N2OS, monoclinic, P21/n (no. 14), a = 17.4112(7) Å, b = 8.3694(3) Å, c = 17.6728(7) Å, β = 104.612(2)°, V = 2492.01(17) Å3, Z = 4, R
gt(F) = 0.0603, wR(F
2) = 0.1704, T = 293(2) K.
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Affiliation(s)
- Lamya H. Al-Wahaibi
- Department of Chemistry, College of Sciences , Princess Nourah Bint Abdulrahman University , Riyadh 11671, Saudi Arabia
| | - Hanan M. Hassan
- Department of Pharmaceutical Sciences , College of Pharmacy, Princess Nourah Bint Abdulrahman University , Riyadh 11671, Saudi Arabia
- Department of Pharmacology and Biochemistry , College of Pharmacy, Delta University for Science and Technology , Mansoura , Egypt
| | - Hazem A. Ghabbour
- Department of Medicinal Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura 35516, Egypt
| | - Ali A. El-Emam
- Department of Medicinal Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura 35516, Egypt
- Department of Pharmaceutical Chemistry, College of Pharmacy , King Saud University , P.O. Box 2457 , Riyadh 11451, Saudi Arabia
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64
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Tandon R, Singh I, Luxami V, Tandon N, Paul K. Recent Advances and Developments ofin vitroEvaluation of Heterocyclic Moieties on Cancer Cell Lines. CHEM REC 2018; 19:362-393. [DOI: 10.1002/tcr.201800024] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 06/06/2018] [Indexed: 01/16/2023]
Affiliation(s)
- Runjhun Tandon
- Department of Chemistry, School of Physical SciencesLovely Professional University Phagwara- 144411 India
| | - Iqubal Singh
- School of Chemistry and BiochemistryThapar Institute of Engineering and Technology Patiala- 147001 India
| | - Vijay Luxami
- School of Chemistry and BiochemistryThapar Institute of Engineering and Technology Patiala- 147001 India
| | - Nitin Tandon
- Department of Chemistry, School of Physical SciencesLovely Professional University Phagwara- 144411 India
| | - Kamaldeep Paul
- School of Chemistry and BiochemistryThapar Institute of Engineering and Technology Patiala- 147001 India
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Ansari A, Ali A, Asif M, Rauf MA, Owais M. Facile one-pot multicomponent synthesis and molecular docking studies of steroidal oxazole/thiazole derivatives with effective antimicrobial, antibiofilm and hemolytic properties. Steroids 2018; 134:22-36. [PMID: 29653115 DOI: 10.1016/j.steroids.2018.04.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 03/17/2018] [Accepted: 04/06/2018] [Indexed: 10/17/2022]
Abstract
A series of steroidal oxazole and thiazole derivatives have been synthesized employing thiosemicarbazide/semicarbazide hydrochloride and ethyl 2-chloroacetoacetate with a simple and facile one-pot multicomponent reaction pathway. The antimicrobial activity of newly synthesized compounds were evaluated against four bacterial strains namely Gram-negative (Escherichia coliand Pseudomonas aeruginosa) and Gram-positive bacteria (Staphylococcus aureus and Listeria monocytogenes) in addition to pathogenic fungi (Candida albicans and Cryptococcus neoformans). Bioactivity assay manifested that most of the compounds exhibited good antimicrobial activity. To provide additional insight into antimicrobial activity, the compounds were also tested for their antibiofilm activity against S. aureus biofilm. Moreover, molecular docking study shows binding of compounds with amino acid residues of DNA gyrase and glucosamine-6-phosphate synthase (promising antimicrobial target) through hydrogen bonding interactions. Hemolytic activity have been also investigated to ascertain the effect of compounds over RBC lysis and results indicate good prospects for biocompatibility. The expedient synthesis of steroidal heterocycles, effective antibacterial and antifungal behavior against various clinically relevant human pathogens, promising biocompatibility offer opportunities for further modification and potential applications as therapeutic agents.
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Affiliation(s)
- Anam Ansari
- Steroid Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, India
| | - Abad Ali
- Steroid Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, India; Organometallic Synthesis and Catalysis Group, Chemical Engineering Division, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411 008, Maharashtra, India
| | - Mohd Asif
- Steroid Research Laboratory, Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, India
| | - Mohd Ahmar Rauf
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India
| | - Mohammad Owais
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India
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Jain S, Kumar A, Saini D. Novel arylidene derivatives of quinoline based thiazolidinones: Synthesis, in vitro, in vivo and in silico study as antimalarials. Exp Parasitol 2018; 185:107-114. [PMID: 29355497 DOI: 10.1016/j.exppara.2018.01.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 01/03/2018] [Accepted: 01/14/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Sandeep Jain
- Drug Discovery and Research Laboratory, Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, 125001, India
| | - Ajay Kumar
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, 136119, India
| | - Deepika Saini
- Drug Discovery and Research Laboratory, Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar, 125001, India.
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Tratrat C, Haroun M, Paparisva A, Geronikaki A, Kamoutsis C, Ćirić A, Glamočlija J, Soković M, Fotakis C, Zoumpoulakis P, Bhunia SS, Saxena AK. Design, synthesis and biological evaluation of new substituted 5-benzylideno-2-adamantylthiazol[3,2-b][1,2,4]triazol-6(5 H )ones. Pharmacophore models for antifungal activity. ARAB J CHEM 2018. [DOI: 10.1016/j.arabjc.2016.06.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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68
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Spectral Analysis of 3-(Adamantan-1-yl)-4-Ethyl-1-[(4-Phenylpiperazin-1-yl) Methyl]-1H-1,2,4-Triazole-5(4H)-Thione. JOURNAL OF APPLIED SPECTROSCOPY 2018. [DOI: 10.1007/s10812-018-0633-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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69
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Mašković JM, Hatzidimitriou A, Damjanović A, Stanojković TP, Trifunović SR, Geronikaki AA, Papagiannopoulou D. Synthesis, characterization and biological evaluation of Pd(ii), Cu(ii), Re(i) and 99mTc(i) thiazole-based complexes. MEDCHEMCOMM 2018; 9:831-842. [PMID: 30108972 DOI: 10.1039/c8md00067k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 04/11/2018] [Indexed: 11/21/2022]
Abstract
A new thiazole-containing multidentate ligand 2-((2-phenylthiazol-4-yl)methylthio)ethanamine, L, was synthesized and used to prepare new complexes of the formula PdIILCl2 (Pd-L), CuIIL2Cl2 (Cu-L) and fac-[Re/99mTcI(CO)3(L)]+ (Re/99mTc-L). The ligand L and the metal complexes were characterized spectroscopically. Furthermore, the structures of Re-L and Cu-L were elucidated by X-ray crystallography. Ligand L acts as a bidentate (Nth, S) chelator in Pd-L, as a bidentate (N, S) chelator in Cu-L and as a tridentate (Nth, S, N) chelator in Re-L. The radiotracer 99mTc-L was synthesized in high yield and characterised by HPLC comparison with the Re-L analog. The synthesized compounds were evaluated for their anti-inflammatory and cytotoxic properties. The compounds exhibited low anti-inflammatory activity with Pd-L showing the highest activity among them. The cytotoxic activity of the ligand and the complexes against several human cancer cell lines (cervical adenocarcinoma HeLa, colorectal adenocarcinoma LS-174T, lung adenocarcinoma A549, breast adenocarcinoma MDA-MB-231 and normal human lung fibroblast cell line MRC-5) was examined using the MTT assay. The complex Cu-L exhibited the highest cytotoxicity and the complex Pd-L showed the best tumor selectivity. The changes in the cell cycle phase distribution were determined by flow cytometry and it was found that ligand L shows the highest apoptotic activity. The biodistribution studies of 99mTc-L in mice showed fast tissue clearance. Of all the thiazole-containing compounds, the palladium complex appears to be more promising for future efforts.
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Affiliation(s)
- Jelena M Mašković
- Faculty of Agronomy , University of Kragujevac , Cara Dušana 34 , 32 000 Čačak , Republic of Serbia
| | - Antonios Hatzidimitriou
- Laboratory of Inorganic Chemistry , School of Chemistry , Faculty of Sciences , Aristotle University of Thessaloniki , 54124 , Thessaloniki , Greece
| | - Ana Damjanović
- Institute for Oncology and Radiology of Serbia , Pasterova 14 , 11000 Belgrade , Serbia
| | - Tatjana P Stanojković
- Institute for Oncology and Radiology of Serbia , Pasterova 14 , 11000 Belgrade , Serbia
| | - Srećko R Trifunović
- Department of Chemistry , Faculty of Science , University of Kragujevac , Radoja Domanovića 12 , 34 000 Kragujevac , Republic of Serbia
| | - Athina A Geronikaki
- Department of Pharmaceutical Chemistry , School of Pharmacy , Faculty of Health Sciences , Aristotle University of Thessaloniki , 54124 University Campus , Thessaloniki , Greece . ; ; Tel: +30 2310 998680
| | - Dionysia Papagiannopoulou
- Department of Pharmaceutical Chemistry , School of Pharmacy , Faculty of Health Sciences , Aristotle University of Thessaloniki , 54124 University Campus , Thessaloniki , Greece . ; ; Tel: +30 2310 998680
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Nocentini A, Moi D, Balboni G, Onnis V, Supuran CT. Discovery of thiazolin-4-one-based aromatic sulfamates as a new class of carbonic anhydrase isoforms I, II, IV, and IX inhibitors. Bioorg Chem 2018; 77:293-299. [DOI: 10.1016/j.bioorg.2018.01.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 01/03/2018] [Accepted: 01/12/2018] [Indexed: 01/17/2023]
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Liaras K, Fesatidou M, Geronikaki A. Thiazoles and Thiazolidinones as COX/LOX Inhibitors. Molecules 2018; 23:E685. [PMID: 29562646 PMCID: PMC6017610 DOI: 10.3390/molecules23030685] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 03/14/2018] [Accepted: 03/16/2018] [Indexed: 12/11/2022] Open
Abstract
Inflammation is a natural process that is connected to various conditions and disorders such as arthritis, psoriasis, cancer, infections, asthma, etc. Based on the fact that cyclooxygenase isoenzymes (COX-1, COX-2) are responsible for the production of prostaglandins that play an important role in inflammation, traditional treatment approaches include administration of non-steroidal anti-inflammatory drugs (NSAIDs), which act as selective or non-selective COX inhibitors. Almost all of them present a number of unwanted, often serious, side effects as a consequence of interference with the arachidonic acid cascade. In search for new drugs to avoid side effects, while maintaining high potency over inflammation, scientists turned their interest to the synthesis of dual COX/LOX inhibitors, which could provide numerous therapeutic advantages in terms of anti-inflammatory activity, improved gastric protection and safer cardiovascular profile compared to conventional NSAIDs. Τhiazole and thiazolidinone moieties can be found in numerous biologically active compounds of natural origin, as well as synthetic molecules that possess a wide range of pharmacological activities. This review focuses on the biological activity of several thiazole and thiazolidinone derivatives as COX-1/COX-2 and LOX inhibitors.
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Affiliation(s)
- Konstantinos Liaras
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotle University, 54124 Thessaloniki, Greece.
| | - Maria Fesatidou
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotle University, 54124 Thessaloniki, Greece.
| | - Athina Geronikaki
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotle University, 54124 Thessaloniki, Greece.
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Evaluation of thiazolidinone derivatives as a new class of mushroom tyrosinase inhibitors. Int J Biol Macromol 2018; 108:205-213. [DOI: 10.1016/j.ijbiomac.2017.11.147] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 10/21/2017] [Accepted: 11/22/2017] [Indexed: 11/20/2022]
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73
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Bečka M, Vilková M, Šoral M, Potočňák I, Breza M, Béres T, Imrich J. Synthesis and isomerization of acridine substituted 1,3-thiazolidin-4-ones and 4-oxo-1,3-thiazolidin-5-ylidene acetates. An experimental and computational study. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.10.046] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Ansari MF, Idrees D, Hassan MI, Ahmad K, Avecilla F, Azam A. Design, synthesis and biological evaluation of novel pyridine-thiazolidinone derivatives as anticancer agents: Targeting human carbonic anhydrase IX. Eur J Med Chem 2017; 144:544-556. [PMID: 29289880 DOI: 10.1016/j.ejmech.2017.12.049] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 12/12/2017] [Accepted: 12/13/2017] [Indexed: 12/22/2022]
Abstract
In order to obtain novel Human carbonic anhydrase IX (CAIX) inhibitors, a series of pyridine-thiazolidinone derivatives was synthesized and characterized by various spectroscopic techniques. The binding affinity of the compounds was measured by fluorescence binding studies and enzyme inhibition activity using esterase assay of CAIX. It was observed that compound 8 and 11 significantly inhibit the CAIX activity with the IC50 value, 1.61 μM and 1.84 μM, respectively. The binding-affinity of compound 8 and 11 for CAIX was significantly high with their KD values 11.21 μM and 2.32 μM, respectively. Docking studies revealed that compound 8 and 11 efficiently binds in the active site cavity of CA IX by forming sufficient numbers of H-bonds and van der Waals interactions with active side residues. All the compounds were further screened in vitro for anticancer activity and found that compound 8 and 11 exhibit considerable anticancer activity against MCF-7 and HepG-2 cell lines. All these findings suggest that compound 8 and 11 may be further exploited as a novel pharmacophore model for the development of anticancer agents.
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Affiliation(s)
- Mohammad Fawad Ansari
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, 110 025, New Delhi, India
| | - Danish Idrees
- Centre for Interdisciplinary Research in Basic Science, Jamia Nagar, 110 025, New Delhi, India
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Science, Jamia Nagar, 110 025, New Delhi, India
| | - Kamal Ahmad
- Centre for Interdisciplinary Research in Basic Science, Jamia Nagar, 110 025, New Delhi, India
| | - Fernando Avecilla
- Grupo Xenomar, Centro de Investigacións Científicas Avanzadas (CICA), Departamento de Química, Facultade de Ciencias, Universidade da Coruña, Campus de A Coruña, 15071, A Coruña, Spain
| | - Amir Azam
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, 110 025, New Delhi, India.
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Ibrar A, Zaib S, Khan I, Shafique Z, Saeed A, Iqbal J. New prospects for the development of selective inhibitors of α -glucosidase based on coumarin-iminothiazolidinone hybrids: Synthesis, in-vitro biological screening and molecular docking analysis. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.09.041] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Kaminskyy D, Kryshchyshyn A, Lesyk R. 5-Ene-4-thiazolidinones - An efficient tool in medicinal chemistry. Eur J Med Chem 2017; 140:542-594. [PMID: 28987611 PMCID: PMC7111298 DOI: 10.1016/j.ejmech.2017.09.031] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Revised: 07/14/2017] [Accepted: 09/17/2017] [Indexed: 02/02/2023]
Abstract
The presented review is an attempt to summarize a huge volume of data on 5-ene-4-thiazolidinones being a widely studied class of small molecules used in modern organic and medicinal chemistry. The manuscript covers approaches to the synthesis of 5-ene-4-thiazolidinone derivatives: modification of the C5 position of the basic core; synthesis of the target compounds in the one-pot or multistage reactions or transformation of other related heterocycles. The most prominent pharmacological profiles of 5-ene derivatives of different 4-thiazolidinone subtypes belonging to hit-, lead-compounds, drug-candidates and drugs as well as the most studied targets have been discussed. Currently target compounds (especially 5-en-rhodanines) are assigned as frequent hitters or pan-assay interference compounds (PAINS) within high-throughput screening campaigns. Nevertheless, the crucial impact of the presence/nature of C5 substituent (namely 5-ene) on the pharmacological effects of 5-ene-4-thiazolidinones was confirmed by the numerous listed findings from the original articles. The main directions for active 5-ene-4-thiazolidinones optimization have been shown: i) complication of the fragment in the C5 position; ii) introduction of the substituents in the N3 position (especially fragments with carboxylic group or its derivatives); iii) annealing in complex heterocyclic systems; iv) combination with other pharmacologically attractive fragments within hybrid pharmacophore approach. Moreover, the utilization of 5-ene-4-thiazolidinones in the synthesis of complex compounds with potent pharmacological application is described. The chemical transformations cover mainly the reactions which involve the exocyclic double bond in C5 position of the main core and correspond to the abovementioned direction of the 5-ene-4-thiazolidinone modification.
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Affiliation(s)
- Danylo Kaminskyy
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine
| | - Anna Kryshchyshyn
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine
| | - Roman Lesyk
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine.
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77
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Molecular modeling of drug-pathophysiological Mtb protein targets: Synthesis of some 2-thioxo-1, 3-thiazolidin-4-one derivatives as anti-tubercular agents. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.07.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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78
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Synthesis of highly functionalized 2-(pyrrolidin-1-yl)thiazole frameworks with interesting antibacterial and antimycobacterial activity. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.10.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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79
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Fawzi M, Auhmani A, Ait Itto MY, Riahi A, Chevreux S, Ketatni EM. Crystal structure of methyl ( Z)-2-[( Z)-3-methyl-2-({( E)-1-[( R*)-4-methyl-cyclo-hex-3-en-1-yl]ethyl-idene}hydrazinyl-idene)-4-oxo-thia-zolidin-5-yl-idene]acetate. Acta Crystallogr E Crystallogr Commun 2017; 73:1626-1629. [PMID: 29152338 PMCID: PMC5683478 DOI: 10.1107/s2056989017014311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 10/03/2017] [Indexed: 12/03/2022]
Abstract
The new title 4-thia-zolidinone derivative, C16H21N3O3S, was obtained from the cyclization reaction of 4-methyl-3-thio-semicarbazone and dimethyl acetyl-enedi-carboxyl-ate (DMAD). The cyclo-hexyl-idene ring has an envelope conformation with the stereogenic centre C atom as the flap. Its mean plane makes a dihedral angle of 56.23 (9)° with the thia-zolidine ring mean plane. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds forming chains propagating in the [001] direction. Within the chains there are offset π-π inter-actions between the thia-zolidine rings of inversion-related mol-ecules [centroid-centroid distance = 3.703 (1) Å]. The chains are linked by further C-H⋯O hydrogen bonds, forming slabs parallel to the ac plane.
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Affiliation(s)
- Mourad Fawzi
- Laboratory of Organic Synthesis and Physico-Molecular Chemistry, Department of Chemistry, Faculty of Sciences Semlalia, PO Box 2390, Marrakech 40001, Morocco
| | - Aziz Auhmani
- Laboratory of Organic Synthesis and Physico-Molecular Chemistry, Department of Chemistry, Faculty of Sciences Semlalia, PO Box 2390, Marrakech 40001, Morocco
| | - Moulay Youssef Ait Itto
- Laboratory of Organic Synthesis and Physico-Molecular Chemistry, Department of Chemistry, Faculty of Sciences Semlalia, PO Box 2390, Marrakech 40001, Morocco
| | - Abdelkhalek Riahi
- Institute of Molecular Chemistry of Reims, CNRS UMR 7312 Bat. Europol Agro, Moulin of the Housse UFR Sciences, PO Box 1039-51687 Reims Cedex 2, France
| | - Sylviane Chevreux
- Institute of Molecular Chemistry of Reims, CNRS UMR 7312 Bat. Europol Agro, Moulin of the Housse UFR Sciences, PO Box 1039-51687 Reims Cedex 2, France
| | - El Mostafa Ketatni
- Laboratory of Applied Spectro-Chemistry and the Environment, University Sultan Moulay Slimane, Faculty of Sciences and Technology, PO Box 523, Beni-Mellal, Morocco
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Wang M, Lee RJ, Bi Y, Li L, Yan G, Lu J, Meng Q, Teng L, Xie J. Transferrin-conjugated liposomes loaded with novel dihydroquinoline derivatives as potential anticancer agents. PLoS One 2017; 12:e0186821. [PMID: 29088257 PMCID: PMC5663382 DOI: 10.1371/journal.pone.0186821] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 10/09/2017] [Indexed: 02/04/2023] Open
Abstract
A series of 1,2-dihydroquinoline derivatives were synthesized and evaluated for cytotoxicity in HeLa, Hep G2 and 6HEK-293T cell lines. EEDQ2 was identified as a promising anti-cancer agent with low IC50 in HeLa (18.55μg/ml) and Hep G2 (14.53μg/ml) cells. For improving the antitumor activity and tumor selectivity of EEDQ2, we prepared transferrin (Tf)-modified liposomes (LPs) to deliver EEDQ2. When HeLa and Hep G2 cells were treated with LP-delivered EEDQ2, the ROS level was significantly enhanced, and mitochondrial membrane potential was reversed. Tf-LPs improved cell uptake of EEDQ2 by about 3.7 times compared with non-targeted LPs. These data suggest that Tf-LPs delivering EEDQ2 is a promising strategy to treat cancer.
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Affiliation(s)
- Mengqiao Wang
- Jilin University, College of Life Science, Changchun, Jilin, China
| | - Robert J. Lee
- Jilin University, College of Life Science, Changchun, Jilin, China
- Division of Pharmaceutics, College of Pharmacy, The Ohio State University, Columbus, Ohio, United States of America
| | - Ye Bi
- Jilin University, College of Life Science, Changchun, Jilin, China
| | - Lianlian Li
- Jilin University, College of Life Science, Changchun, Jilin, China
| | - Guodong Yan
- Jilin University, College of Life Science, Changchun, Jilin, China
| | - Jiahui Lu
- Jilin University, College of Life Science, Changchun, Jilin, China
| | - Qingfan Meng
- Jilin University, College of Life Science, Changchun, Jilin, China
| | - Lesheng Teng
- Jilin University, College of Life Science, Changchun, Jilin, China
- * E-mail: (LT); (JX)
| | - Jing Xie
- Jilin University, College of Life Science, Changchun, Jilin, China
- * E-mail: (LT); (JX)
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81
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Dual inhibitors of hepatitis C virus and hepatocellular carcinoma: design, synthesis and docking studies. Future Sci OA 2017; 4:FSO252. [PMID: 29255624 PMCID: PMC5729604 DOI: 10.4155/fsoa-2017-0075] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 09/11/2017] [Indexed: 01/06/2023] Open
Abstract
Aim Simultaneous inhibition of hepatitis C virus (HCV) and hepatocellular carcinoma (HCC) may enhance anti-HCV effects and reduce resistance and side effects. Results/methodology Novel hybrid derivatives were designed and synthesized to exhibit dual activity against HCV and its associated major complication, HCC. The synthesized compounds were screened for their potential activity against HCV and HCC. Compounds 5f, 5j, 5l, 5p, 5q, 5r, 6c and 6d exhibited potential in vitro anticancer activity against HCC cell line HepG2, while compounds 5a, 5l, 5p and 5v showed in vitro anti-HCV activity. Docking studies suggested that the newly synthesized compounds could suppress HCC through VEGFR2 tyrosine kinase inhibition. Conclusion Compounds 5l and 5p exhibited dual activity against HCV and HCC in vitro.
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Design and synthesis of 2,6-di(substituted phenyl)thiazolo[3,2-b]-1,2,4-triazoles as α-glucosidase and α-amylase inhibitors, co-relative Pharmacokinetics and 3D QSAR and risk analysis. Biomed Pharmacother 2017; 94:499-513. [PMID: 28780468 DOI: 10.1016/j.biopha.2017.07.139] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2017] [Revised: 07/19/2017] [Accepted: 07/27/2017] [Indexed: 02/01/2023] Open
Abstract
Ten fused heterocyclic derivatives bearing the 2,6-di(subsituted phenyl)thiazolo[3,2-b]-1,2,4-triazoles as central rings were synthesized and structures of the compounds were established by analytical and spectral data using FTIR, EI-MS, 1H NMR and 13C NMR techniques. In vitro inhibitory activities of synthesized compounds on α-amylase, α-glucosidase and α-burylcholinesterase (α-BuChE) were evaluated using a purified enzyme assays. Compound 5c demonstrated strong and selective α-amylase inhibitory activity (IC50=1.1μmol/g). 5g exhibited excellent inhibition against α-glucosidase (IC50=1.2μmol/g) when compared with acarbose (IC50=4.7μmol/g) as a positive reference. Compound 5i was found to be most potent derivative against α-BuChE with the IC50 of 1.5μmol/g which was comparable to the value obtained for (4.7μmol/g) positive control (i.e. galantamine hydrobromide). Molecular dockings of synthesized compounds into the binding sites of human pancreatic α-amylase, intestinal maltase-glucoamylase and neuronal α-butrylcholinesterase allowed to shed light on the affinity and binding mode of these novel inhibitors. Preliminary structure-activity relationship (SAR) studies were carried out to understand the relationship between molecular structural features and inhibition activities of synthesized derivatives. These data suggested that compounds 5c, 5g and 5i are promising candidates for hitto- lead follow-up in the drug-discovery process for the treatment of Alzheimer's disease and hyperinsulinamia.
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83
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Synthesis of 2-Amino-1,3,4-oxadiazoles through Elemental Sulfur Promoted Cyclization of Hydrazides with Isocyanides. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201700188] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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84
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Al-Alshaikh MA, Al-Mutairi AA, Ghabbour HA, El-Emam AA, Abdelbaky MSM, Garcia-Granda S. Syntheses and crystal structures of two adamantyl-substituted 1,2,4-triazole-5-thione N-Mannich bases. Acta Crystallogr E Crystallogr Commun 2017; 73:1135-1139. [PMID: 28932422 PMCID: PMC5598834 DOI: 10.1107/s2056989017009756] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 07/02/2017] [Indexed: 11/17/2022]
Abstract
In the title N-Mannich bases, 3-(adamantan-1-yl)-4-(4-fluoro-phen-yl)-1-[(4-phenyl-piperazin-1-yl)meth-yl]-4,5-di-hydro-1H-1,2,4-triazole-5-thione (C29H34FN5S) (I), and 3-(adamantan-1-yl)-4-(4-fluoro-phen-yl)-1-{[4-(2-meth-oxyphen-yl)piperazin-1-yl]-meth-yl}-4,5-di-hydro-1H-1,2,4-triazole-5-thione (C30H36FN5OS) (II), fluoro-phenyl, adamantane and piperazine moieties are linked to a planar triazole ring. There is an additional phenyl ring on the piperazine ring in (I) and a meth-oxy-phenyl ring in (II). In compound (I), the fluoro-phenyl and phenyl rings are inclined to the triazole ring by 86.55 (13) and 60.52 (12)°, respectively, and the two aryl rings are inclined to one another by 66.37 (13)°. In compound (II), the corresponding dihedral angles are 83.35 (13), 71.38 (15) and 11.97 (16)°, respectively. The crystal structure of (I) shows pairs of C-H⋯F hydrogen bonds forming inversion dimers, while in the crystal of compound (II), in addition to the C-H⋯F hydrogen bonds that generate chains parallel to the b axis, there are C-H⋯π inter-actions present that link the chains to form layers parallel to the ab plane.
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Affiliation(s)
- Monirah A. Al-Alshaikh
- Department of Chemistry, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Aamal A. Al-Mutairi
- Department of Chemistry, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Hazem A. Ghabbour
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ali A. El-Emam
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammed S. M. Abdelbaky
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, Oviedo University–CINN, Oviedo 33006, Spain
| | - Santiago Garcia-Granda
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, Oviedo University–CINN, Oviedo 33006, Spain
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Mahmoodi NO, Mohammadgholipour S, Ghanbari Pirbasti F. Microwave-assisted one-pot three-component synthesis of thiazolidinones using KSF@Ni as an efficient heterogeneous catalyst. J Sulphur Chem 2017. [DOI: 10.1080/17415993.2017.1343334] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Nosrat O. Mahmoodi
- Department of Chemistry, Faculty of Science, University of Guilan, Rasht, Iran
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Patel A, Patel J, Chikhalia KH. Palladium-catalyzed acid-free Fujiwara-Moritani alkenylation of 4-thiazolidinones. Mol Divers 2017. [PMID: 28620862 DOI: 10.1007/s11030-017-9756-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Herein, we report a facile method for the alkenylation of a 4-thiazolidinone motif without using external acid and high-pressure gas, which are required in conventional Fujiwara-Moritani reactions. Mild reaction conditions, one-pot synthesis, and utilization of an oxidant made this process more feasible in comparison with previously reported methods. Functionalization of the slightly more acidic [Formula: see text] C-H bond with the less acidic [Formula: see text] C-H bond yielded the alkenylated motif. This pathway opens new possibilities for organic synthesis.
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Affiliation(s)
- Anuj Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India
| | - Janki Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India
| | - Kishor H Chikhalia
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat, 380009, India.
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Pogaku V, Eslavath RK, Dayakar G, Singh SS, Basavoju S. Synthesis and biological evaluation of novel triazole substituted pyrazolyl-methylenehydrazinyl-5-arylidene thiazolidinone derivatives as antibacterial and cytotoxic agents. RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-2978-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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88
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El-Emam AA, Al-Omary FAM, Al-Rasheed LS, Ghabbour HA, Al-Abdullah ES. Crystal structure of (Z)-3-(adamantan-1-yl)-1-(3-chlorophenyl)-S-benzylisothiourea, C24H27ClN2S. Z KRIST-NEW CRYST ST 2017. [DOI: 10.1515/ncrs-2016-0315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractC24H27ClN2S, triclinicP1̅ (no. 2),a= 7.1670(3) Å,b= 12.2734(6) Å,c= 13.1560(6) Å,α= 109.605(2)°,β= 96.515(2)°,γ= 97.312(2)°,V= 1066.08(8) Å3,Z= 2,Rgt(F)= 0.0515,wRref(F2) = 0.1396,T= 296(2) K.
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Affiliation(s)
- Ali A. El-Emam
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Fatmah A. M. Al-Omary
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Lamees S. Al-Rasheed
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Hazem A. Ghabbour
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
| | - Ebtehal S. Al-Abdullah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
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89
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Zelisko N, Karpenko O, Muzychenko V, Gzella A, Grellier P, Lesyk R. trans -Aconitic acid-based hetero -Diels-Alder reaction in the synthesis of thiopyrano[2,3- d ][1,3]thiazole derivatives. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.03.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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90
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Anekal DP, Biradar J. Synthesis and biological evaluation of novel Indolyl 4-thiazolidinones bearing thiadiazine nucleus. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2013.07.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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91
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A synthetic approach and molecular docking study of hybrids of quinazolin-4-ones and thiazolidin-4-ones as anticancer agents. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1857-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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92
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Al-Wahaibi LH, Hassan HM, Abo-Kamar AM, Ghabbour HA, El-Emam AA. Crystal structure of 4-bromobenzyl ( Z)- N′-(adamantan-1-yl)-4-phenylpiperazine-1-carbothioimidate, C 28H 34BrN 3S. Z KRIST-NEW CRYST ST 2017. [DOI: 10.1515/ncrs-2016-0184] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C28H34BrN3S, monoclinic, P21/c (no. 14), a = 10.4529(8) Å, b = 11.8724(10) Å, c = 21.3800(19) Å, β = 101.864(3)°, V = 2596.6(4) Å3, Z = 4, R
gt(F) = 0.060, wR
ref(F
2) = 0.148, T = 296(2).
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Affiliation(s)
- Lamya H. Al-Wahaibi
- Department of Chemistry, College of Sciences, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Hanan M. Hassan
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Amal M. Abo-Kamar
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Hazem A. Ghabbour
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt
| | - 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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93
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Fedorchuk AA, Kinzhybalo VV, Slyvka YI, Goreshnik EA, Bednarchuk TJ, Lis T, Mys’kiv MG. Unexpected complexation of allylpseudothiohydantoin hydrochlorides towards CuX (X = Cl, NO3, ClO4, BF4, 1/2SiF6). The first known examples of joint CuI(Cl,ClO4) and CuI(Cl,BF4) π-complexes. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1286012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- A. A. Fedorchuk
- Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Lviv, Ukraine
| | - V. V. Kinzhybalo
- Institute of Low Temperature and Structure Research, Wrocław, Poland
| | - Yu. I. Slyvka
- Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Lviv, Ukraine
| | - E. A. Goreshnik
- Department of Inorganic Chemistry and Technology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - T. J. Bednarchuk
- Institute of Low Temperature and Structure Research, Wrocław, Poland
| | - T. Lis
- Faculty of Chemistry, University of Wrocław, Wrocław, Poland
| | - M. G. Mys’kiv
- Department of Inorganic Chemistry, Ivan Franko National University of Lviv, Lviv, Ukraine
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94
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Mudaliar SS, Shaikh MM, Chikhalia KH. An Efficient Synthetic Strategy for sp3
(C)-N Amination on 4-thiazolidinone with Primary Heteroaryl Amines. ChemistrySelect 2017. [DOI: 10.1002/slct.201601950] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sulochana S. Mudaliar
- Department of Chemistry; School of Science; Gujarat University; Ahmedabad 380009, Gujarat India
| | - Mohammedumar M. Shaikh
- Department of Chemistry; School of Science; Gujarat University; Ahmedabad 380009, Gujarat India
| | - Kishor H. Chikhalia
- Department of Chemistry; School of Science; Gujarat University; Ahmedabad 380009, Gujarat India
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95
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Salem MS, Ali MAM. Novel Pyrazolo[3,4-b]pyridine Derivatives: Synthesis, Characterization, Antimicrobial and Antiproliferative Profile. Biol Pharm Bull 2017; 39:473-83. [PMID: 27040621 DOI: 10.1248/bpb.b15-00586] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Three novel series of pyridine derivatives, namely Schiff's bases, 4-thiazolidinones and azetidin-2-ones bearing pyrazolo[3,4-b]pyridine moiety, have been synthesized. The chemical structures of the synthesized compounds were characterized. The compounds were tested for their antimicrobial activity using the agar well diffusion and broth macrodilution methods. The compounds were also evaluated for their antiproliferative activity using the sulforhodamine B (SRB) assay. The majority of the tested compounds exhibited slight to high antimicrobial activity against the test microorganisms with minimum inhibitory concentrations (MICs) of 0.12-62.5 µg/mL when compared to that of 3 standard antimicrobial agents (Ampicillin, 0.007-0.03 µg/mL; Gentamicin; 0.015-0.24 µg/mL; and Amphotericin B, 0.03-0.98 µg/mL). Compound (7b) was found to be nearly as active as the standard antimicrobial drug Amphotericin B against Fusarium oxysporum fungal strain with MIC of 0.98 µg/mL. Some of the test compounds showed remarkable cytotoxic activities against Hep G2 (hepatocellular carcinoma) cells (IC50=0.0158-71.3 µM) in comparison to the standard anticancer drug doxorubicin (IC50=0.008 µM). Among the compounds tested, (5), (6a), (6b), (7b), and (10) exhibited antiproliferative potency (IC50=0.0001-0.0211 µM) that was found to be better than that of doxorubicin (IC50=0.099 µM) against MCF7 (breast adenocarcinoma) cells. In particular, (7b) displayed the highest significant antiproliferative efficacy against both Hep G2 and MCF7 cell lines showing IC50 values of 0.0158 µM and 0.0001 µM, respectively. Our findings suggest that the synthesized compounds may be promising candidates as novel antimicrobial and antiproliferative agents.
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Affiliation(s)
- Marwa Sayed Salem
- Synthetic Organic Chemistry Laboratory, Department of Chemistry, Faculty of Science, Ain Shams University
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96
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Aljohar HI, Ghabbour HA, Abdelbaky MS, Garcia-Granda S, El-Emam AA. Crystal structure of N′-[(1E)-(2,6-dichlorophenyl)-methylidene]adamantane-1-carbohydrazide, C18H20Cl2N2O. Z KRIST-NEW CRYST ST 2016. [DOI: 10.1515/ncrs-2016-0038] [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
AbstractC18H20Cl2N2O, orthorhombic,Pbca(No. 61),a= 8.1023(2) Å,b= 18.7063(4) Å,c= 22.5509(6) Å,V= 3417.91(14) Å3,Z= 8,Rgt(F) = 0.0496,wRref(F2) = 0.1535,T= 293(2).
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Affiliation(s)
- Haya I. Aljohar
- 1Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Hazem A. Ghabbour
- 1Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Mohammed S.M. Abdelbaky
- 2Departamento de Quimica Fisica y Analitica, Facultad de Quimica, Universidad de Oviedo - CINN, C/Julian Claveria, 8, 33006 Oviedo, (Asturias), Spain
| | - Santiago Garcia-Granda
- 2Departamento de Quimica Fisica y Analitica, Facultad de Quimica, Universidad de Oviedo - CINN, C/Julian Claveria, 8, 33006 Oviedo, (Asturias), Spain
| | - Ali A. El-Emam
- 1Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
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97
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Popiołek Ł, Biernasiuk A. New nalidixic acid–1,3-thiazolidin-4-one hybrids: Design, synthesis and in vitro antimicrobial activity. PHOSPHORUS SULFUR 2016. [DOI: 10.1080/10426507.2016.1217212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Łukasz Popiołek
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University of Lublin, Lublin, Poland
| | - Anna Biernasiuk
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Medical University of Lublin, Lublin, Poland
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98
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ANDRIANOV ALEXANDERM, KASHYN IVANA, ANDRIANOV VIKTORM, SHUNDALAU MAKSIMB, HLINISTY ANTONV, GAPONENKO SERGEYV, SHABUNYA-KLYACHKOVSKAYA ELENAV, MATSUKOVICH ANNA, AL-TAMIMI ABDULMALEKS, EL-EMAM ALIA. Structure of N′-(adamantan-2-ylidene)benzohydrazide, a potential antibacterial agent, in solution: Molecular dynamics simulations, quantum chemical calculations and Ultraviolet–visible spectroscopy studies. J CHEM SCI 2016. [DOI: 10.1007/s12039-016-1188-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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99
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Crystal structure of N-(adamantan-1-yl)-4-phenylpiperazine-1-carbothioamide, C 21H 29N 3S. Z KRIST-NEW CRYST ST 2016. [DOI: 10.1515/ncrs-2016-0056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C21H29N3S, orthorhombic, Pbca (No. 61), a = 9.8658(7) Å, b = 11.7298(9) Å, c = 31.960(2) Å, V = 3698.5(5) Å3, Z = 8, R
gt
(F) = 0.0644, wR
ref
(F
2) = 0.1684, T = 100 K.
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100
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Al-Alshaikh MA, Ghabbour HA, Abuelizz HA, Alruqi OS, El-Emam AA. Crystal structure of 3-(adamantan-1-yl)-1-[(4-benzylpiperazin-1-yl)methyl]-4-[( E)-(2,6-difluorobenzylidene)amino]-1 H-1,2,4-triazole-5(4 H)-thione, C 31H 36F 2N 6S. Z KRIST-NEW CRYST ST 2016. [DOI: 10.1515/ncrs-2016-0009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C31H36F2N6S, monoclinic, P21/c (no. 14), a = 14.7561(8) Å, b = 24.6766(13) Å, c = 7.7811(4) Å, β = 95.888(2)°, V = 2818.4(3) Å3, Z = 4, R
gt
(F) = 0.0624, wR
ref
(F
2
) = 0.1445, 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
| | | | - Hatem A. Abuelizz
- Department of Pharmaceutical Chemistry , College of Pharmacy, King Saud University , P. O. Box 2457, Riaydh 11451, Saudi Arabia
| | - Obaid S. Alruqi
- Department of Pharmaceutical Chemistry , College of Pharmacy, King Saud University , P. O. Box 2457, Riaydh 11451, 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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