1
|
Sakthikumar K, Kabuyaya Isamura B, Krause RWM. Exploring the antioxidant, antimicrobial, cytotoxic and biothermodynamic properties of novel morpholine derivative bioactive Mn(ii), Co(ii) and Ni(ii) complexes - combined experimental and theoretical measurements towards DNA/BSA/SARS-CoV-2 3CL Pro. RSC Med Chem 2023; 14:1667-1697. [PMID: 37731703 PMCID: PMC10508264 DOI: 10.1039/d2md00394e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/07/2022] [Indexed: 09/22/2023] Open
Abstract
A novel class of bioactive complexes (1-3) [MII(L)2(bpy)], where, L = 2-(4-morpholinobenzylideneamino)phenol, bpy = 2,2'-bipyridine, MII = Mn (1), Co (2) or Ni (3), were assigned to octahedral geometry based on analytical and spectral measurements. Gel electrophoresis showed that complex (2) demonstrated significant DNA cleavage activity compared to the other complexes under the action of oxidation agent (H2O2). The DNA binding constant properties measured by various techniques were in the following sequence: (2) > (3) > (1) > (HL), which suggests that the complexes might intercalate DNA, a possibility that is also supported by their biothermodynamic characteristics. The binding constant results for BSA from electronic absorption and fluorometric titrations demonstrate that complex (2) exhibits the highest binding effectiveness among them all, which means that all the compounds could interact with BSA through a static approach, additionally supported by FRET measurements. DFT and docking calculations were employed to realize the electronic structure, reactivity, and interaction capability of all substances with DNA, BSA, and the SARS-CoV-2 main protease. These binding energies fell within the ranges -7.7 to -8.5, -8.2 to -10.1 and -6.7 to -9.3 kcal mol-1, respectively. The higher reactivity of the complexes than the ligand is supported by FMO theory. The in vitro antibacterial, cytotoxicity, and radical scavenging characteristics revealed that complexes (2-3) have better biological efficacy than the others. The cytotoxicity and binding properties also show good correlation with the partition coefficient (log P), which is encouraging because all of the experimental findings are closely correlated with the theoretical measurements.
Collapse
Affiliation(s)
- Karunganathan Sakthikumar
- Organic & Medicinal Chemistry, Department of Chemistry, Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University Grahamstown 6140 Eastern Cape South Africa
| | - Bienfait Kabuyaya Isamura
- Organic & Medicinal Chemistry, Department of Chemistry, Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University Grahamstown 6140 Eastern Cape South Africa
- Department of Chemistry, The University of Manchester Manchester M13 9PL UK
| | - Rui Werner Maçedo Krause
- Organic & Medicinal Chemistry, Department of Chemistry, Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University Grahamstown 6140 Eastern Cape South Africa
- Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University Grahamstown 6140 Eastern Cape South Africa +27 741622674 +27 46 603 7030
| |
Collapse
|
2
|
Yadav M, Lal K, Jose DA, Ghule VD, Tittal RK. Synthesis, photophysical and DFT investigations on 1,2,3-triazoles linked to chalcone and chalco-pyrene. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-023-02794-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
|
3
|
An Integrated Analysis of Mechanistic Insights into Biomolecular Interactions and Molecular Dynamics of Bio-Inspired Cu(II) and Zn(II) Complexes towards DNA/BSA/SARS-CoV-2 3CL pro by Molecular Docking-Based Virtual Screening and FRET Detection. Biomolecules 2022; 12:biom12121883. [PMID: 36551312 PMCID: PMC9775322 DOI: 10.3390/biom12121883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/01/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Novel constructed bioactive mixed-ligand complexes (1b) [CuII(L)2(phen)] and (2b) [ZnII(L)2(phen)] {where, L = 2-(4-morpholinobenzylideneamino)phenol), phen = 1,10-phenanthroline} have been structurally analysed by various analytical and spectroscopic techniques, including, magnetic moments, thermogravimetric analysis, and X-ray crystallography. Various analytical and spectral measurements assigned showed that all complexes appear to have an octahedral geometry. Agar gel electrophoresis's output demonstrated that the Cu(II) complex (1b) had efficient deoxyribonucleic cleavage and complex (2b) demonstrated the partial cleavage accomplished with an oxidation agent, which generates spreadable OH● through the Fenton type mechanism. The DNA binding constants observed from viscosity, UV-Vis spectral, fluorometric, and electrochemical titrations were in the following sequence: (1b) > (2b) > (HL), which suggests that the complexes (1b-2b) might intercalate DNA, a possibility that is supported by the biothermodynamic measurements. In addition, the observed binding constant results of BSA by electronic absorption and fluorometric titrations indicate that complex (1b) revealed the best binding efficacy as compared to complex (2b) and free ligand. Interestingly, all compounds are found to interact with BSA through a static approach, as further attested by FRET detection. The DFT and molecular docking calculations were also performed to realize the electronic structure, reactivity, and binding capability of all test samples with CT-DNA, BSA, and the SARS-CoV-2 3CLPro, which revealed the binding energies were in a range of -8.1 to -8.9, -7.5 to -10.5 and -6.7--8.8 kcal/mol, respectively. The higher reactivity of the complexes than the free ligand is supported by the FMO theory. Among all the observed data for antioxidant properties against DPPH᛫, ᛫OH, O2-• and NO᛫ free radicals, complex (1a) had the best biological efficacy. The antimicrobial and cytotoxic characteristics of all test compounds have been studied by screening against certain selected microorganisms as well as against A549, HepG2, MCF-7, and NHDF cell lines, respectively. The observed findings revealed that the activity enhances coordination as compared to free ligand via Overtone's and Tweedy's chelation mechanisms. This is especially encouraging given that in every case, the experimental findings and theoretical detections were in perfect accord.
Collapse
|
4
|
Comprehensive Assessment of Biomolecular Interactions of Morpholine-Based Mixed Ligand Cu(II) and Zn(II) Complexes of 2,2'-Bipyridine as Potential Anticancer and SARS-CoV-2 Agents: A Synergistic Experimental and Structure-Based Virtual Screening. Bioinorg Chem Appl 2022; 2022:6987806. [PMID: 36545430 PMCID: PMC9763021 DOI: 10.1155/2022/6987806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/06/2022] [Accepted: 11/10/2022] [Indexed: 12/14/2022] Open
Abstract
A new class of pharmacologically active mixed-ligand complexes (1a-2a) [MII(L)2 (bpy)], where L = 2-(4-morpholinobenzylideneamino)phenol), bpy = 2,2'-bipyridine, MII = Cu (1a), and Zn (2a), were assigned an octahedral geometry by analytical and spectral measurements. Gel electrophoresis showed that complex (1a) demonstrated the complete DNA cleavage mediated by H2O2. The overall DNA-binding constants observed from UV-vis, fluorometric, hydrodynamic, and electrochemical titrations were in the following sequence: (1a) > (2a) > (HL), which suggests that the complexes might intercalate DNA, a possibility that is further supported by the biothermodynamic characteristics. The binding constant results of BSA by electronic absorption and fluorometric titration demonstrate that complex (1a) exhibits the highest binding effectiveness among others, which means that all compounds could interact with BSA through a static approach, additionally supported by FRET measurements. Density FunctionalTheory (DFT) and molecular docking calculations were relied on to unveil the electronic structure, reactivity, and interacting capability of all substances with DNA, BSA, and SARS-CoV-2 main protease (Mpro). These observed binding energies fell within the following ranges: -7.7 to -8.6, -7.2 to -10.2, and -6.7 to -8.2 kcal/mol, respectively. The higher reactivity of the complexes compared to free ligand is supported by the Frontier MolecularOrbital (FMO) theory. The in vitro antibacterial, cytotoxic, and radical scavenging characteristics revealed that complex (1a) has the best biological efficacy compared to others. This is encouraged because all experimental findings are closely correlated with the theoretical measurements.
Collapse
|
5
|
Sakthikumar K, Krause RWM, Isamura BK, Raja JD, Athimoolam S. Spectro-electrochemical, fluorometric and biothermodynamic evaluation of pharmacologically active morpholine scaffold single crystal ligand and its metal(II) complexes: A comparative study on in-vitro and in-silico screening towards DNA/BSA/SARS-CoV-19. J Inorg Biochem 2022; 236:111953. [PMID: 35969975 DOI: 10.1016/j.jinorgbio.2022.111953] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/30/2022] [Accepted: 08/04/2022] [Indexed: 12/15/2022]
Abstract
A novel series of metal(II) complexes (1-5) [MII(L)2]{Where M = Cu (1), Co (2), Mn (3), Ni (4) and Zn (5)} constructed from 2-(4-morpholinobenzylideneamino)phenol Schiff base ligand (HL) in a 1:2 M ratio and the spectral and analytical results put forward square planar geometry. Spectro-electrochemical, hydrodynamic, gel electrophoresis, and DNA binding/cleavage results for all the compounds demonstrate that complex (1) had excellent DNA binding/cleavage properties compared to other compounds. The observation also suggests that test compounds could intercalate with DNA, and the biothermodynamic property more strongly supports the stabilizing of the double helix DNA with the complexes. BSA binding constant results show that complex (1) exposes the best binding property via a static mode, which is further confirmed by FRET calculations. The DFT calculations and docking results for all compounds towards DNA, BSA and SARS-CoV-19 main protease (3CLPro), reveal the binding energies were in the range of -7.8 to -9.4, -6.6 to -10.2 and - 6.1 - -8.2 kcal/mol for all test compounds respectively. In this case, complexes showed favorable binding energies compared to free ligand, which stimulates further studies aimed at validating the predicted activity as well as contributing to tackling the current and future viral pandemics. The in-vitro antioxidant, antimicrobial, and anticancer results for all compounds revealed that copper complex (1) has better activity compared to others. This might result in an effective anticancer drug for future research, which is especially promising since the observed experimental results for all cases were in close agreement with the theoretical calculations.
Collapse
Affiliation(s)
- Karunganathan Sakthikumar
- Department of Chemistry, Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University, Grahamstown 6140, Eastern Cape, South Africa
| | - Rui Werner Maçedo Krause
- Department of Chemistry, Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University, Grahamstown 6140, Eastern Cape, South Africa; Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University, Grahamstown 6140, Eastern Cape, South Africa.
| | - Bienfait Kabuyaya Isamura
- Department of Chemistry, Center for Chemico- and Biomedicinal Research (CCBR), Faculty of Science, Rhodes University, Grahamstown 6140, Eastern Cape, South Africa
| | - Jeyaraj Dhaveethu Raja
- Department of Chemistry, The American College (Autonomous), Madurai 625 002, Tamil Nadu, India
| | | |
Collapse
|
6
|
Sethupathi M, Thulasinathan B, Sengottuvelan N, Ponnuchamy K, Perdih F, Alagarsamy A, Karthikeyan M. Macrocyclic "tet a"-Derived Cobalt(III) Complex with a N, N'-Disubstituted Hexadentate Ligand: Crystal Structure, Photonuclease Activity, and as a Photosensitizer. ACS OMEGA 2022; 7:669-682. [PMID: 35036733 PMCID: PMC8756598 DOI: 10.1021/acsomega.1c05306] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
A cobalt(III) complex, [Co(L)]Cl (complex 1, where L = 1,8-[N,N-bis{(3-formyl-2-hydroxy-5-methyl)benzyl}]-1,4,8,11-tetraaza-5,5,7,12,12,14-hexamethylcyclotetradecane) with distorted octahedral geometry has been synthesized and characterized using various spectroscopic techniques. The structure of the ligand has remarkably rich hydrogen intermolecular interactions such as H···H, H···C/C···H, and H···O/O···H that vary with the presence of the metal ion, and the structure of complex 1 has Cl···H interactions; this result has been proved by Hirshfeld surface and two-dimensional (2D) fingerprint maps analyses. The complex exhibits a quasi-reversible Co(III)/Co(II) redox couple with E 1/2 = -0.76 V. Calf thymus DNA (CT DNA) binding abilities of the ligand and complex 1 were confirmed by spectroscopic and electrochemical analyses. According to absorption studies, the ligand and complex 1 bind to CT DNA via intercalative binding mode, with intrinsic binding strengths of 1.41 × 103 and 8.64 × 103 M-1, respectively. A gel electrophoresis assay shows that complex 1 promotes the pUC19 DNA cleavage under dark and light irradiation conditions. Complex 1 has superior antimicrobial activity than the ligand. The cytotoxicity of complex 1 was tested against MDA-MB-231 breast cancer cells with values of IC50 of 1.369 μg mL-1 in the dark and 0.9034 μg mL-1 after light irradiation. Besides, cell morphological studies confirmed the morphological changes with AO/EB dual staining, reactive oxygen species (ROS) staining, mitochondria staining, and Hoechst staining on MDA-MB-231 cancer cells by fluorescence microscopy. Complex 1 was found to be a potent antiproliferative agent against MDA-MB-231 cells, and it can induce mitochondrial-mediated and caspase-dependent apoptosis with activation of downregulated caspases. The biotoxicity assay of complex 1 on the development of Artemia nauplii was evaluated at an IC50 value of 200 μg mL-1 and with excellent biocompatibility.
Collapse
Affiliation(s)
- Murugan Sethupathi
- Department
of Industrial Chemistry, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | | | - Nallathambi Sengottuvelan
- Department
of Industrial Chemistry, Alagappa University, Karaikudi 630003, Tamil Nadu, India
- Department
of Chemistry (DDE), Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Kumar Ponnuchamy
- Food
Chemistry and Molecular Cancer Biology Laboratory, Department of Animal
Health and Management, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Franc Perdih
- Faculty
of Chemistry and Chemical Technology, University
of Ljubljana, 1000 Ljubljana, Slovenia
| | - Arun Alagarsamy
- Department
of Microbiology, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Muthusamy Karthikeyan
- Pharmacogenomics
and Computational Biology Laboratory, Department of Bioinformatics, Alagappa University, Karaikudi 630004, Tamil
Nadu, India
| |
Collapse
|
7
|
Arshad N, Abbas N, Perveen F, Mirza B, Almuhaini AM, Alkahtani S. Molecular docking analysis and spectroscopic investigations of zinc(II), nickel(II) N-phthaloyl-β-alanine complexes for DNA binding: Evaluation of antibacterial and antitumor activities. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101323] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
|
8
|
Douadi K, Chafaa S, Douadi T, Al-Noaimi M, Kaabi I. Azoimine quinoline derivatives: Synthesis, classical and electrochemical evaluation of antioxidant, anti-inflammatory, antimicrobial activities and the DNA / BSA binding. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128305] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
|
9
|
Hegde H, Sinha RK, Kulkarni SD, Shetty NS. Synthesis, photophysical and DFT studies of naphthyl chalcone and nicotinonitrile derivatives. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2019.112222] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
10
|
Anzaldo B, Sharma P, Gutiérrez Pérez R, Villamizar C CP, Barquera-Lozada JE, Toscano A, Gaviño R, Portillo O. Ruthenocenyl phosphinated chalcones and their Pt(II) and Pd(II) complexes: Usual bidentate [PO] and unusual tridentate [PCO] coordination. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
11
|
Lanez E, Bechki L, Lanez T. Computational Molecular Docking, Voltammetric and Spectroscopic DNA Interaction Studies of 9N-(Ferrocenylmethyl)adenine. CHEMISTRY & CHEMICAL TECHNOLOGY 2019. [DOI: 10.23939/chcht13.01.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
12
|
Javed F, Ali S, Shahzadi S, Sharma SK, Qanungo K, Munawar KS, Khan I. Synthesis, characterization, and biological activity of organotin(IV) complexes with 4-oxo-4-[3-(trifluoromethyl)phenylamino]butanoic acid. RUSS J GEN CHEM+ 2017. [DOI: 10.1134/s1070363217100231] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
|
13
|
Lanez T, Benaicha H, Lanez E, Saidi M. Electrochemical, spectroscopic and molecular docking studies of 4-methyl-5-((phenylimino)methyl)-3H- and 5-(4-fluorophenyl)-3H-1,2-dithiole-3-thione interacting with DNA. J Sulphur Chem 2017. [DOI: 10.1080/17415993.2017.1391811] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Touhami Lanez
- VTRS Laboratory, University of El Oued, El Oued, Algeria
| | | | - Elhafnaoui Lanez
- Department of Chemistry, University of Ouargla, Ouargla, Algeria
| | - Mokhtar Saidi
- Department of Chemistry, University of Ouargla, Ouargla, Algeria
| |
Collapse
|
14
|
Arshad N, Perveen F, Saeed A, Channar PA, Farooqi SI, Larik FA, Ismail H, Mirza B. Spectroscopic, molecular docking and structural activity studies of (E)-N′-(substituted benzylidene/methylene) isonicotinohydrazide derivatives for DNA binding and their biological screening. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.03.055] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
15
|
Javed F, Ali S, Shahzadi S, Tahir MN, Tabassum S, Khalid N. Organotin(IV) O-butyl carbonodithioates: Synthesis, characterization, in vitro bioactivities, and interaction with SS-DNA. RUSS J GEN CHEM+ 2017. [DOI: 10.1134/s1070363216120380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
16
|
Xia K, Zhang G, Gong D. Deciphering the intercalative binding modes of benzoyl peroxide with calf thymus DNA. LUMINESCENCE 2017; 32:988-998. [PMID: 28116811 DOI: 10.1002/bio.3281] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Revised: 12/13/2016] [Accepted: 12/19/2016] [Indexed: 12/23/2022]
Abstract
The binding of benzoyl peroxide (BPO), a flour brightener, with calf thymus DNA (ctDNA) was predicted by molecular simulation, and this were confirmed using multi-spectroscopic techniques and a chemometrics algorithm. The molecular docking result showed that BPO could insert into the base pairs of ctDNA, and the adenine bases were the preferential binding sites which were validated by the analysis of Fourier transform infrared spectra. The mode of binding of BPO with ctDNA was an intercalation as supported by the results from ctDNA melting and viscosity measurements, iodide quenching effects and competitive binding investigations. The circular dichroism and DNA cleavage assays indicated that BPO induced a conformational change from B-like DNA structure towards to A-like form, but did not lead to significant damage in the DNA. The complexation was driven mainly by hydrogen bonds and hydrophobic interactions. Moreover, the ultraviolet-visible (UV-vis) spectroscopic data matrix was resolved by a multivariate curve resolution-alternating least-squares algorithm. The equilibrium concentration profiles for the components (BPO, ctDNA and BPO-ctDNA complex) were extracted from the highly overlapping composite response to quantitatively monitor the BPO-ctDNA interaction. This study has provided insights into the mechanism of the interaction of BPO with ctDNA and potential hazards of the food additive.
Collapse
Affiliation(s)
- Kaixin Xia
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Guowen Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Deming Gong
- School of Biological Sciences, The University of Auckland, Auckland, New Zealand
| |
Collapse
|
17
|
Arshad N, Bhatti MH, Farooqi SI, Saleem S, Mirza B. Synthesis, photochemical and electrochemical studies on triphenyltin(IV) derivative of (Z)-4-(4-cyanophenylamino)-4-oxobut-2-enoic acid for its binding with DNA: Biological interpretation. ARAB J CHEM 2016. [DOI: 10.1016/j.arabjc.2014.08.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
|
18
|
Spectroscopic, Electrochemical, andIn SilicoCharacterization of Complex Formed between 2-Ferrocenylbenzoic Acid and DNA. J CHEM-NY 2016. [DOI: 10.1155/2016/7468951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We present the synthesis of 2-ferrocenylbenzoic acid (FcOH) and its electrochemical and spectroscopic characterization. FcOH was characterized for interaction with DNA using theoretical and experimental methods. UV-visible spectroscopy and cyclic voltammeter (CV) were used for the experimental account of FcOH-DNA complex. The experimental results showed that the FcOH interacts by electrostatic mode. The binding constant (Kb) and Gibbs free energy (ΔG) for the FcOH-DNA complex have been estimated as 5.3 × 104 M−1and −6.44 kcal/mol, respectively. The theoretical DNA binding of FcOH was studied with AutoDock molecular docking software. The docking studies yield good approximation with experimental data and explain the sites of binding.
Collapse
|
19
|
Noureen S, Sirajuddin M, Ali S, Shaheen F, Tahir MN. Synthesis, structural elucidation and DNA binding study of fluorine substituted organotin(IV) dithiocarbamates. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.10.056] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
|
20
|
Javed F, Ali S, Shahzadi S, Sharma SK, Qanungo K, Tahir MN, Shah NA, Khan MR, Khalid N. Synthesis, Structural Characterization, Theoretical Calculations and In Vitro Biological Activities of Organotin(IV) Complexes with [O,O] Donor Ligand. J Inorg Organomet Polym Mater 2015. [DOI: 10.1007/s10904-015-0303-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
|
21
|
Xiong XL, Zhao N, Wang XM. Interaction between tryptophan-Sm(III) complex and DNA with the use of a acridine orange dye fluorophor probe. LUMINESCENCE 2015; 31:210-6. [PMID: 26016416 DOI: 10.1002/bio.2947] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Revised: 03/12/2015] [Accepted: 04/24/2015] [Indexed: 12/28/2022]
Abstract
The interaction of the Trp-Sm(III) complex with herring sperm DNA (hs-DNA) was investigated with the use of acridine orange (AO) dye as a spectral probe for UV-vis spectrophotometry and fluorescence spectroscopy. The results showed that the both the Trp-Sm(III) complex and the AO molecule could intercalate into the double helix of the DNA. The Sm(III)-(Trp)3 complex was stabilized by intercalation into the DNA with binding constants: K(Ө)25°C = 7.14 × 10(5) L·mol(-1) and K(Ө) 37°C = 5.28 × 10(4) L·mol(-1), and it could displace the AO dye from the AO-DNA complex in a competitive reaction. Computation of the thermodynamic functions demonstrates that Δr Hm (Ө) is the primary driving power of the interaction between the Sm(III)(Trp)3 complex and the DNA. The results from Scatchard and viscometry methods suggested that the interaction mode between the Sm(III)(Trp)3 complex and the hs-DNA is groove binding and weak intercalation binding.
Collapse
Affiliation(s)
- Xiao Li Xiong
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610066, People's Republic of China
| | - Na Zhao
- Beijing City University Academic Affairs Office, Beijing, 100083, People's Republic of China
| | - Xing Ming Wang
- Department of Chemistry, School Materials Science and Engineering, Southwest University of Science and Technology, Sichuan, Mianyang, 621010, People's Republic of China
| |
Collapse
|
22
|
Synthesis, spectral characterization, crystal structure and in vitro DNA/protein binding studies of phosphorous ylide palladacyclic complexes containing azide group. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2015; 144:11-9. [DOI: 10.1016/j.jphotobiol.2015.01.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2014] [Revised: 01/07/2015] [Accepted: 01/22/2015] [Indexed: 11/21/2022]
|
23
|
Wu D, Chen Z. Study on the interaction between ginsenoside Rh2 and calf thymus DNA by spectroscopic techniques. LUMINESCENCE 2015; 30:1212-8. [DOI: 10.1002/bio.2883] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 01/18/2015] [Accepted: 01/19/2015] [Indexed: 12/11/2022]
Affiliation(s)
- Dudu Wu
- School of Pharmacy, Guangdong Medical College; Dongguan 523808 People's Republic of China
| | - Zhi Chen
- School of Pharmacy, Guangdong Medical College; Dongguan 523808 People's Republic of China
| |
Collapse
|
24
|
Shah FA, Sabir S, Fatima K, Ali S, Qadri I, Rizzoli C. Organotin(iv) based anti-HCV drugs: synthesis, characterization and biochemical activity. Dalton Trans 2015; 44:10467-78. [DOI: 10.1039/c5dt00862j] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Organotin(iv) compounds are potential anti-HCV agents due to their interaction with RNA and their strong binding constants.
Collapse
Affiliation(s)
- Farooq Ali Shah
- Department of Chemistry
- Quaid-i-Azam University
- Islamabad 45320
- Pakistan
| | - Shaista Sabir
- Research Complex
- Department of Chemistry
- Allama Iqbal Open University Islamabad
- Pakistan
| | - Kaneez Fatima
- IQ Institute of Infection and Immunity
- Lahore
- Pakistan
| | - Saqib Ali
- Department of Chemistry
- Quaid-i-Azam University
- Islamabad 45320
- Pakistan
| | - Ishtiaq Qadri
- Department of Medical Biotechnology
- King Fahd Medical Research Center
- King Abdul Aziz University
- Jeddah
- Saudi Arabia
| | | |
Collapse
|
25
|
Gul R, Rauf MK, Badshah A, Azam SS, Tahir MN, Khan A. Ferrocene-based guanidine derivatives: In vitro antimicrobial, DNA binding and docking supported urease inhibition studies. Eur J Med Chem 2014; 85:438-49. [DOI: 10.1016/j.ejmech.2014.07.109] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 07/11/2014] [Accepted: 07/30/2014] [Indexed: 11/29/2022]
|
26
|
Zhou X, Zhang G, Wang L. Probing the binding mode of psoralen to calf thymus DNA. Int J Biol Macromol 2014; 67:228-37. [DOI: 10.1016/j.ijbiomac.2014.03.038] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 03/13/2014] [Accepted: 03/14/2014] [Indexed: 01/31/2023]
|
27
|
Jabeen M, Ali S, Shahzadi S, Sharma SK, Qanungo K. Synthesis, characterization, theoretical study and biological activities of oxovanadium (IV) complexes with 2-thiophene carboxylic acid hydrazide. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2014; 136:34-45. [PMID: 24844618 DOI: 10.1016/j.jphotobiol.2014.04.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 04/14/2014] [Accepted: 04/21/2014] [Indexed: 11/26/2022]
Abstract
Oxovanadium (IV) complexes (1)-(3) have been synthesized by treating 2-thiophene carboxylic acid hydrazide with VOSO4⋅xH2O and VCl3(THF)3 in different M/L ratios. These complexes have been characterized by elemental analysis, UV-vis, FT-IR and mass spectrometry. The FT-IR data predicts the bidentate nature of the ligand which is also confirmed by semi-empirical study. Mass spectrometric data shows that molecular ion peak is only observed for 2-thiophene carboxylic acid hydrazide. The ESP map and thermodynamic parameters shows the presence of partial charge on atoms and stability of synthesized oxovanadium complexes, respectively. DNA binding study of complexes (1)-(3) was carried out by UV-vis and cyclic voltammetric methods which suggests the intercalative binding mode of the complexes with DNA. Cytotoxicity was checked by brine shrimp lethality assay and complex (1) showed greater cytotoxicity towards Artemia salina as compared to free ligand. Immuno-modulatory activity data shows that hydrazide ligand was more active as compared to oxovanadium complexes and standard drug. Complex (2) shows significant urease inhibition activity. The ligand and synthesized complexes were found inactive against all tested bacterial and fungal strains.
Collapse
Affiliation(s)
- Mudassir Jabeen
- Department of Chemistry, GC University, Faisalabad, Pakistan
| | - Saqib Ali
- Department of Chemistry, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
| | - Saira Shahzadi
- Department of Chemistry, GC University, Faisalabad, Pakistan.
| | - Saroj K Sharma
- Department of App. Sci. and Hum., Faculty of Engg. and Tech., Mody Institute of Technology and Science (Deemed University), Lakshmangargh, 332311 Sikar, Raj., India
| | - Kushal Qanungo
- Department of App. Sci. and Hum., Faculty of Engg. and Tech., Mody Institute of Technology and Science (Deemed University), Lakshmangargh, 332311 Sikar, Raj., India
| |
Collapse
|
28
|
Karami K, Hosseini-Kharat M, Sadeghi-Aliabadi H, Lipkowski J, Mirian M. In vitro cytotoxicity studies of palladacyclic complexes containing the symmetric diphosphine bridging ligand. Studies of their interactions with DNA and BSA. Eur J Med Chem 2014; 73:8-17. [DOI: 10.1016/j.ejmech.2013.11.042] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 11/18/2013] [Accepted: 11/24/2013] [Indexed: 10/25/2022]
|
29
|
Synthesis, characterization, DNA interaction, thermal and in vitro biological activity investigation of some Ni(II)-Isatin bishydrazone complexes. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2013. [DOI: 10.1007/s13738-013-0383-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
30
|
Ahmed S, Khan GT, Shah SS. Effective solubilization of chalcones in micellar phase: Conductivity and voltammetric study. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2013. [DOI: 10.1134/s0036024413130232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
31
|
Arshad N, Farooqi SI, Bhatti MH, Saleem S, Mirza B. Electrochemical and spectroscopic investigations of carboxylic acid ligand and its triorganotin complexes for their binding with ds.DNA: In vitro biological studies. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2013; 125:70-82. [DOI: 10.1016/j.jphotobiol.2013.05.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Revised: 05/08/2013] [Accepted: 05/10/2013] [Indexed: 10/26/2022]
|
32
|
Li L, Pan Q, Song GW. Application of a europium complex, Eu(AA)3phen (AA=acrylic acid, phen=1,10-phenanthroline) as a spectroscopic probe and cleaving reagent of DNA. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:2078-83. [PMID: 23498235 DOI: 10.1016/j.msec.2013.01.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2012] [Revised: 12/18/2012] [Accepted: 01/14/2013] [Indexed: 11/25/2022]
Abstract
A complex Eu(AA)3phen was synthesized and characterized by elemental analysis, IR spectroscopy and (1)H NMR. Interaction between Eu(AA)3phen and DNA was studied by UV/visible absorption spectroscopy, fluorescence spectrophotometer, circular-dichroism (CD) spectra and gel-electrophoresis measurements. Absorption spectral indicated that Eu(AA)3phen binding to DNA was an electrostatic mode, which was authenticated by the effect of ionic strength, thermal denaturation and fluorescence quenching experiments. The intrinsic binding constant Kb of Eu(AA)3phen was calculated to be 1.6×10(4) L mol(-1).
Collapse
Affiliation(s)
- Ling Li
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Function Molecules, Hubei University, Wuhan 430062, PR China
| | | | | |
Collapse
|
33
|
Bag SS, Kundu R, Jana S. Sensing of biomolecules and label-free discrimination of DNA containing a triple T–C/T–G mismatch pair with a fluorescence light-up probe, triazolylpyrene (TNDMBPy). Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.03.029] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
|
34
|
Jamil M, Altaf AA, Badshah A, Ahmad I, Zubair M, Kemal S, Ali MI. Naked Eye DNA detection: synthesis, characterization and DNA binding studies of a novel azo-guanidine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 105:165-170. [PMID: 23299023 DOI: 10.1016/j.saa.2012.12.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Revised: 11/29/2012] [Accepted: 12/06/2012] [Indexed: 06/01/2023]
Abstract
A novel class of azo-guanidine compounds is introduced in this article. The novel compound 2-(2-hydroxyphenyl)-1-(phenylamino)-3-(phenylimino)guanidine (AG) was synthesized and well characterized by using different analytical instrumental techniques like elemental analysis, FTIR, (1)H and (13)C NMR, UV-Visible spectroscopy and cyclic voltammetry. The new compound was found interacting with DNA and shows clear color change in the solution. The AG-DNA complex was qualitatively and quantitatively characterized with UV-Visible spectroscopy and cyclic voltammetry. Electrostatic mode of interaction, clear color change and moderate binding constant (K(b)=10(4)) indicate its potential use as DNA staining agent.
Collapse
Affiliation(s)
- Muhammad Jamil
- Department of Chemistry, Govt. College University Faisalabad, Pakistan
| | | | | | | | | | | | | |
Collapse
|
35
|
Bag SS, Ghorai S, Jana S, Mukherjee C. Solvatochromic fluorescent cyanophenoxazine: design, synthesis, photophysical properties and fluorescence light-up sensing of ct-DNA. RSC Adv 2013. [DOI: 10.1039/c3ra23463k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
36
|
Arshad N, Abbas N, Bhatti MH, Rashid N, Tahir MN, Saleem S, Mirza B. Synthesis, crystal structure, DNA binding and in vitro biological studies of Ni(II), Cu(II) and Zn(II) complexes of N-phthaloylglycine. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2012; 117:228-39. [DOI: 10.1016/j.jphotobiol.2012.10.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Revised: 09/27/2012] [Accepted: 10/12/2012] [Indexed: 10/27/2022]
|
37
|
Photophysical and photochemical investigations on triazole ring linked chalcone containing polymethacrylates. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.06.037] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
38
|
Cui F, Hui G, Jiang X, Zhang G. Interaction of 3′-azido-3′-deamino daunorubicin with DNA: Multispectroscopic and molecular modeling. Int J Biol Macromol 2012; 50:1121-6. [DOI: 10.1016/j.ijbiomac.2012.02.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 01/31/2012] [Accepted: 02/07/2012] [Indexed: 11/29/2022]
|
39
|
Sumathi S, Tharmaraj P, Sheela C, Ebenezer R. Synthesis, spectral, NLO studies, and antimicrobial activities of curcumin diketimine metal complexes. J COORD CHEM 2012. [DOI: 10.1080/00958972.2012.655727] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- S. Sumathi
- a Department of Chemistry , Thiagarajar College , Madurai – 625 009 , India
| | - P. Tharmaraj
- a Department of Chemistry , Thiagarajar College , Madurai – 625 009 , India
| | - C.D. Sheela
- b Department of Chemistry , The American College , Madurai – 625 002 , India
| | - R. Ebenezer
- a Department of Chemistry , Thiagarajar College , Madurai – 625 009 , India
| |
Collapse
|
40
|
Electrochemical and spectroscopic investigations of isoniazide and its analogs with ds.DNA at physiological pH: Evaluation of biological activities. Eur J Med Chem 2012; 47:452-61. [DOI: 10.1016/j.ejmech.2011.11.014] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Revised: 10/11/2011] [Accepted: 11/07/2011] [Indexed: 11/22/2022]
|
41
|
Štefanišinová M, Tomečková V, Kožurková M, Ostró A, Mareková M. Study of DNA interactions with cyclic chalcone derivatives by spectroscopic techniques. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 81:666-671. [PMID: 21778103 DOI: 10.1016/j.saa.2011.06.071] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2011] [Revised: 06/21/2011] [Accepted: 06/26/2011] [Indexed: 05/31/2023]
Abstract
A series of chalcone derivatives (1-4) were studied. The interaction between these ligands and calf thymus DNA was studied with UV-vis spectrophotometry, fluorescence and circular dichroism spectroscopy. The binding constants K were estimated at 0.5-4.6×10(5) M(-1). All these measurements indicated that the compounds behave as effective DNA-intercalating agents. Electrophoretic separation proved that ligands inhibited topoisomerase I at a concentration of 60 μM.
Collapse
Affiliation(s)
- M Štefanišinová
- Department of Medical Chemistry, Biochemistry and Clinical Biochemistry, Faculty of Medicine, Pavol Jozef Safarik University in Košice, Trieda SNP 1, Košice 040 66, Slovak Republic.
| | | | | | | | | |
Collapse
|
42
|
Fluorescence Enhancement Effect for the Determination of Nucleic Acids With Morin–NanoTiO2. J Inorg Organomet Polym Mater 2011. [DOI: 10.1007/s10904-011-9573-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
|
43
|
Cui F, Huo R, Hui G, Lv X, Jin J, Zhang G, Xing W. Study on the interaction between aglycon of daunorubicin and calf thymus DNA by spectroscopy. J Mol Struct 2011. [DOI: 10.1016/j.molstruc.2011.06.024] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
44
|
Chantrapromma S, Kobkeatthawin T, Chanawanno K, Wisitsak P, Fun HK. (E)-1-(4-Amino-phen-yl)-3-(pyridin-3-yl)prop-2-en-1-one. Acta Crystallogr Sect E Struct Rep Online 2011; 67:o1770-1. [PMID: 21837148 PMCID: PMC3152058 DOI: 10.1107/s1600536811023634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Accepted: 06/16/2011] [Indexed: 11/10/2022]
Abstract
The title chalcone derivative, C(14)H(12)N(2)O, consists of 4-amino-phenyl and pyridine rings bridged by a prop-2-en-1-one unit and exists in a trans configuration with respect to the C=C double bond. The mol-ecule is slightly twisted with a dihedral angle of 29.38 (7)° between the benzene and pyridine rings. The prop-2-en-1-one bridge is nearly planar with an r.m.s. deviation of 0.0384 (1) Å and makes dihedral angles of 15.40 (9) and 16.30 (9)°, respectively, with the benzene and pyridine rings. In the crystal, mol-ecules are linked by N-H⋯N and N-H⋯O hydrogen bonds into a layer parallel to the ab plane. A π-π inter-action with a centroid-centroid distance of 3.6946 (10) Å is also observed.
Collapse
Affiliation(s)
- Suchada Chantrapromma
- Crystal Materials Research Unit, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand
| | - Thawanrat Kobkeatthawin
- Crystal Materials Research Unit, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand
| | - Kullapa Chanawanno
- Crystal Materials Research Unit, Department of Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand
| | - Pitikan Wisitsak
- Excellence Center, Mae Fah Luang University, Thasud, Muang, Chaing Rai 57100, Thailand
| | - Hoong-Kun Fun
- X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
| |
Collapse
|
45
|
Sumathi S, Tharmaraj P, Sheela C, Ebenezer R. Synthesis, spectral, bioactivity, and NLO properties of chalcone metal complexes. J COORD CHEM 2011. [DOI: 10.1080/00958972.2011.580844] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- S. Sumathi
- a Department of Chemistry , Thiagarajar College , Madurai-625 009 , India
| | - P. Tharmaraj
- a Department of Chemistry , Thiagarajar College , Madurai-625 009 , India
| | - C.D. Sheela
- b Department of Chemistry , The American College , Madurai-625 002 , India
| | - R. Ebenezer
- a Department of Chemistry , Thiagarajar College , Madurai-625 009 , India
| |
Collapse
|
46
|
Kobkeatthawin T, Chantrapromma S, Saewan N, Fun HK. (E)-1-(4-Amino-phen-yl)-3-(naphthalen-2-yl)prop-2-en-1-one. Acta Crystallogr Sect E Struct Rep Online 2011; 67:o1204-5. [PMID: 21754504 PMCID: PMC3089117 DOI: 10.1107/s1600536811014024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Accepted: 04/13/2011] [Indexed: 12/04/2022]
Abstract
The molecule of the title chalcone derivative, C19H15NO, exists in a trans configuration with respect to the C=C double bond. The molecule is slightly twisted with a dihedral angle of 6.12 (12)° between the benzene ring and the naphthalene ring system. The prop-2-en-1-one bridge is nearly planar, with an r.m.s. deviation of 0.0194 (2), and makes dihedral angles of 8.05 (19) and 11.47 (18)° with the benzene ring and the naphthalene ring system, respectively. In the crystal, molecules are linked by N—H⋯O hydrogen bonds into chains along the b axis. Weak N—H⋯π and C—H⋯π interactions and a short N⋯O contact [2.974 (4) Å] are also observed.
Collapse
|
47
|
Shujha S, Shah A, Zia-ur-Rehman, Muhammad N, Ali S, Qureshi R, Khalid N, Meetsma A. Diorganotin(IV) derivatives of ONO tridentate Schiff base: Synthesis, crystal structure, in vitro antimicrobial, anti-leishmanial and DNA binding studies. Eur J Med Chem 2010; 45:2902-11. [DOI: 10.1016/j.ejmech.2010.03.015] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2009] [Revised: 03/11/2010] [Accepted: 03/15/2010] [Indexed: 10/19/2022]
|
48
|
Kobkeatthawin T, Chantrapromma S, Fun HK. (E)-1-(4-Chloro-phen-yl)-3-[4-(diethyl-amino)phen-yl]prop-2-en-1-one. Acta Crystallogr Sect E Struct Rep Online 2010; 66:o254-5. [PMID: 21579698 PMCID: PMC2979838 DOI: 10.1107/s1600536809054683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2009] [Accepted: 12/19/2009] [Indexed: 11/21/2022]
Abstract
The asymmetric unit of the title chalcone derivative, C19H20ClNO, contains two independent molecules, which differ in the conformations of the ethyl groups in the diethylamino substituents. In the crystal, weak intermolecular C—H⋯O hydrogen bonds link molecules into ribbons propogating in [010]. The crystal packing also exhibits weak C—H⋯π interactions.
Collapse
|
49
|
Pyrene–perylene as a FRET pair coupled to the N2′-functionality of 2′-amino-LNA. Bioorg Med Chem 2008; 16:94-9. [DOI: 10.1016/j.bmc.2007.04.056] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2006] [Revised: 11/23/2006] [Accepted: 04/27/2007] [Indexed: 11/19/2022]
|
50
|
Gaber M, Fayed TA, El-Daly SA, El-Sayed YS. Spectral properties and inclusion of a hetero-chalcone analogue in organized media of micellar solutions and beta-cyclodextrin. Photochem Photobiol Sci 2007; 7:257-62. [PMID: 18264595 DOI: 10.1039/b713381b] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The absorption and fluorescence emission spectral properties of 3-(4'-dimethylaminophenyl)-1-(2-thienyl)prop-2-en-1-one, abbreviated as DMATP, have been investigated in organized media of aqueous micellar and beta-cyclodextrin (CD) solutions. While the absorption spectra are less sensitive to the nature of the added surfactant or CD, the characteristics of the intramolecular charge transfer (ICT) fluorescence are highly sensitive to the properties of the medium. The ICT maximum is strongly blue-shifted with a great enhancement in the fluorescence quantum yield on adding micellar or CD solutions. This indicates the solubilization of DMATP in the micellar core and formation of an inclusion complex with beta-CD. The critical micelle concentration (CMC) as well as the polarity of the micellar core of SDS, CTAB and TX-100 have been determined. The CMC values are in good agreement with the reported values while the polarity is lower indicating that DMATP molecules are incorporated in the micellar core not at the micellar interface. The inclusion constants of binding of DMATP in micellar or CD have been also determined. The thermodynamic parameters of formation of DMATP:CD inclusion complex have been calculated from the temperature dependence of the fluorescence spectra of the formed complex. The negative enthalpy and free energy of formation indicate that the inclusion process is energetically favorable. The highly negative value of formation entropy (DeltaS = -162.3 J mol(-1) K(-1)) reflects the high restrictions imposed on the movement of both the host and included guest molecules which is consistent with the increase of the fluorescence yield and blue shift of the fluorescence maximum.
Collapse
Affiliation(s)
- M Gaber
- Department of Chemistry, Faculty of Science, Tanta University, 31527, Tanta, Egypt
| | | | | | | |
Collapse
|