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Cheipesh T, Mchedlov–Petrossyan N, Bogdanova L, Kharchenko D, Roshal A, Vodolazkaya N, Taranets Y, Shekhovtsov S, Rodik R, Kalchenko V. Aggregates of cationic calix[4]arenes in aqueous solution as media for governing protolytic equilibrium, fluorescence, and kinetics. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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2
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Supramolecular approaches to the formation of nanostructures based on phosphonate-thiacalix[4]arenes, their selective lysozyme recognition. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125897] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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3
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Cheipesh TA, Kharchenko DV, Taranets YV, Rodik RV, Mchedlov-Petrossyan NO, Poberezhnyk MM, Kalchenko VI. Reaction rates in aqueous solutions of cationic colloidal surfactants and calixarenes: Acceleration and resolution of two steps of fluorescein diesters hydrolysis. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125479] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Gassoumi B, Ghalla H, Chaabane RB. A theoretical study of the global and local electrophilicity, nucleophilicity, polarizability and QTAIM theory for calix[4]arene-gas interaction. Heliyon 2020; 6:e04554. [PMID: 32775724 PMCID: PMC7399128 DOI: 10.1016/j.heliyon.2020.e04554] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/02/2020] [Accepted: 07/22/2020] [Indexed: 11/25/2022] Open
Abstract
The calix[4]arene molecule, abbreviated as CX[4], is known by the four phenolic groups and a hydrophobic cavity able to enclose small molecules. The interactions between CX[4] and NO3, NO2, CO2, and N2 gas molecules have been studied. These guest species are placed inside and outside the cavity of the host molecule CX[4]. The formation of H-bonding has been deeply discussed based on the infrared spectrum and the polarizability analysis. Global and local indices have been calculated for a series of gas (NO3, NO2, CO2 and N2) in interaction with the CX[4] molecule to explain the electrophilic or nucleophilic activations in endo-vs. exo-cavity interaction zone. As expected, there is a correlation between the proposed global electrophilicity and global nucleophilicity together for an explanation of the chemo-selectivity region. Finally, the topological parameter analyses of the host-guests interactions have been estimated by using DFT calculations.
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Affiliation(s)
- B. Gassoumi
- Laboratory of Advanced Materials and Interfaces (LIMA), University of Monastir, Faculty of Science of Monastir, Avenue of Environnment, 5000, Monastir, Tunisia
- Institute of Light and Matter, UMR5306 University of Lyon 1-CNRS, University of Lyon, 69622, Villeurbanne Cedex, France
| | - H. Ghalla
- University of Monastir, Quantum and Statistical Physics Laboratory, Faculty of Science, Monastir, 5079, Tunisia
| | - R. Ben. Chaabane
- Laboratory of Advanced Materials and Interfaces (LIMA), University of Monastir, Faculty of Science of Monastir, Avenue of Environnment, 5000, Monastir, Tunisia
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Gassoumi B, Ghalla H, Chaabane RB. Host-guest complexation studies of NO 3, NO 2, CO 2, and N 2 gas with the calix[4]arene molecule. J Mol Model 2020; 26:149. [PMID: 32444916 DOI: 10.1007/s00894-020-04416-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 05/09/2020] [Indexed: 01/31/2023]
Abstract
Calix[n]arenes (abbreviated as CX[n]) are the macro-molecules based on phenol groups with a hydrophobic cavity to encapsulate a gas or small molecules. They are used as molecular vehicles. For instance, these molecules are used in the activation of the solubility of monomers in the specific media and in pharmaceutical drug delivery. The limit of the development of gaseous pollutants will be a vital subject in the future. The polluting gases NO3, NO2, CO2, N2, etc., need cage molecules, such as CX[4], to be encapsulated. In this report, the red shift of the H-bonding interactions of the CX[4]-gas (by adding the gas inside or outside the cavity) is clearly explained by the vibrational analysis. The electronic spectra of the complexes of CX[4] with NO3, NO2, CO2, and N2) exhibit a blue-shift pick in comparison with the ones observed for the CX[4] molecule. The electrophilic and nucleophilic sites of the stable host-guest have been investigated. Additionally, the non-covalent interactions have been calculated based on the reduced density gradient RDG and QTAIM theory.
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Affiliation(s)
- Bouzid Gassoumi
- Laboratory of Advanced Materials and Interfaces (LIMA), Faculty of Science of Monastir, University of Monastir, Avenue of Environment, 5000, Monastir, Tunisia. .,Institute of Light and Matter, UMR 5306 University of Lyon 1-CNRS, University of Lyon, 69622, Villeurbanne cedex, France.
| | - Houcine Ghalla
- Quantum and Statistical Physics Laboratory, Faculty of Science, University of Monastir, 5079, Monastir, Tunisia
| | - Rafik Ben Chaabane
- Laboratory of Advanced Materials and Interfaces (LIMA), Faculty of Science of Monastir, University of Monastir, Avenue of Environment, 5000, Monastir, Tunisia.
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Affiliation(s)
- Yuliya Razuvayeva
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Ruslan Kashapov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Lucia Zakharova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Kazan, Russia
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Gassoumi B, Ghalla H, Chaabane RB. DFT and TD-DFT investigation of calix[4]arene interactions with TFSI - ion. Heliyon 2019; 5:e02822. [PMID: 31844737 PMCID: PMC6888763 DOI: 10.1016/j.heliyon.2019.e02822] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 10/30/2019] [Accepted: 11/05/2019] [Indexed: 11/18/2022] Open
Abstract
Understanding the interactions of the calix[n]arene molecules with a variety of invited chemicals entities is getting very important. In this context, we have studied a new host-guest such as the interaction of the calix[4]arenes with the bis (trifluoromethylsulfonyl) imide TFSI- ion. The energy gap has decreased from 3.53 eV to 2.11 eV indicating the reliability of the electrochemical evaluation of HOMO and LUMO energy levels. In a predominant number of cases, we obtain the spatial accumulation of HOMO and LUMO at the interface of phenol groups. Then, according to the QNBO charge distribution of these host-guests interactions, we have demonstrated the direction of charge transfer between the CX[4] molecule and the TFSI- ion. More importantly, the non covalent interactions (NCI) have been investigated that the endo-cavity position of the TFSI-4 is the most stable position between all these host-guests. By using DFT quantum methods, we have identified as a suitable host for TFSI- which can be used in the electronic technology.
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Affiliation(s)
- B. Gassoumi
- Laboratory of Advanced Materials and Interfaces (LIMA), University of Monastir, Faculty of Science of Monastir, Avenue of Environnment, 5000, Monastir, Tunisia
- Institute of Light and Matter, UMR5306 University of Lyon 1-CNRS, University of Lyon, 69622, Villeurbanne cedex, France
| | - H. Ghalla
- University of Monastir, Quantum Physics Laboratory, Faculty of Science, Monastir, 5079, Tunisia
| | - R. Ben. Chaabane
- Laboratory of Advanced Materials and Interfaces (LIMA), University of Monastir, Faculty of Science of Monastir, Avenue of Environnment, 5000, Monastir, Tunisia
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Solubilization of azo-dye-modified isatin derivative by amphiphilic carboxyresorcinarenes: The effect of macrocycle structure on the supramolecular association. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.05.078] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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9
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Properties of the surfactant—calix[4]resorcinol binary system studied using spectral and fluorescent probes. Russ Chem Bull 2016. [DOI: 10.1007/s11172-015-1244-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Yakimova LS, Shurpik DN, Gilmanova LH, Makhmutova AR, Rakhimbekova A, Stoikov II. Highly selective binding of methyl orange dye by cationic water-soluble pillar[5]arenes. Org Biomol Chem 2016; 14:4233-8. [DOI: 10.1039/c6ob00539j] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The bulky/negatively charged substituents of guest anions hinder the substrate entering the π-electron rich pillar[5]arene cavity.
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Affiliation(s)
- L. S. Yakimova
- Kazan Federal University
- A.M. Butlerov Chemical Institute
- Kazan
- Russian Federation
| | - D. N. Shurpik
- Kazan Federal University
- A.M. Butlerov Chemical Institute
- Kazan
- Russian Federation
| | - L. H. Gilmanova
- Kazan Federal University
- A.M. Butlerov Chemical Institute
- Kazan
- Russian Federation
| | - A. R. Makhmutova
- Kazan Federal University
- A.M. Butlerov Chemical Institute
- Kazan
- Russian Federation
| | - A. Rakhimbekova
- Kazan Federal University
- A.M. Butlerov Chemical Institute
- Kazan
- Russian Federation
| | - I. I. Stoikov
- Kazan Federal University
- A.M. Butlerov Chemical Institute
- Kazan
- Russian Federation
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Rodik RV, Anthony AS, Kalchenko VI, Mély Y, Klymchenko AS. Cationic amphiphilic calixarenes to compact DNA into small nanoparticles for gene delivery. NEW J CHEM 2015. [DOI: 10.1039/c4nj01395f] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cationic amphiphilic calixarenes with longer alkyl chains are less cytotoxic and their virus-sized DNA nanoparticles exhibit higher transfection efficiency.
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Affiliation(s)
- Roman V. Rodik
- Laboratoire de Biophotonique et Pharmacologie
- UMR 7213 CNRS
- Université de Strasbourg
- Faculté de Pharmacie
- 67401 ILLKIRCH Cedex
| | - Anne-Sophie Anthony
- Laboratoire de Biophotonique et Pharmacologie
- UMR 7213 CNRS
- Université de Strasbourg
- Faculté de Pharmacie
- 67401 ILLKIRCH Cedex
| | - Vitaly I. Kalchenko
- Institute of Organic Chemistry
- National Academy of Science of Ukraine
- Kiev
- Ukraine
| | - Yves Mély
- Laboratoire de Biophotonique et Pharmacologie
- UMR 7213 CNRS
- Université de Strasbourg
- Faculté de Pharmacie
- 67401 ILLKIRCH Cedex
| | - Andrey S. Klymchenko
- Laboratoire de Biophotonique et Pharmacologie
- UMR 7213 CNRS
- Université de Strasbourg
- Faculté de Pharmacie
- 67401 ILLKIRCH Cedex
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12
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The difference between the aggregates of short-tailed and long-tailed cationic calix[4]arene in water as detected using fluorescein dyes. J Mol Liq 2014. [DOI: 10.1016/j.molliq.2013.12.049] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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13
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Zakharova LY, Semenov VE, Syakaev VV, Voronin MA, Gabdrakhmanov DR, Valeeva FG, Mikhailov AS, Voloshina AD, Reznik VS, Latypov SK, Konovalov AI. Amphiphilic macrocycles bearing biofragment: molecular design as factor controlling self-assembly. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 38:143-50. [PMID: 24656362 DOI: 10.1016/j.msec.2014.01.057] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Revised: 01/26/2014] [Accepted: 01/30/2014] [Indexed: 11/30/2022]
Abstract
Two novel macrocyclic 6-methyluracilic amphiphiles (uracilophanes) with four (UP1) and two (UP2) uracil moieties and ammonium groups have been synthesized. Tetracationic multi-uracilophane is composed of two macrocyclic units bridged each other with an external methylene spacer, while in the cryptand-like dicationic uracilophane pyrimidinic moieties are connected with an internal methylene spacer. This internal spacer provided a conformational rigidity to the macrocycle. The self-assembly of the uracilophanes is studied and compared with a reference dicationic uracilophane (UP3) with no spacer fragment. Compounds UP1 and UP3 are capable of aggregating, which is characterized by the analogous critical micelle concentration of 1mM, although the former has four decyl tails versus two decyl tails in UP3 molecule. NMR self-diffusion, fluorimetry and DLS techniques revealed that bimodal size distribution occurs in the UP1 solution, with small (≤2nm) and large (ca. 30-50 nm) aggregates contributed. Unexpectedly, the cryptand-like uracilophane UP2 with the same hydrophobicity as UP3 does not form aggregates. The balance of the geometry and energetic factors was analyzed and compared with those contributing to the aggregation of the reference compound UP3. It was established that it is the geometry that controls the packing of the cryptand-like uracilophanes upon aggregation, while hydrophobic effect plays a minor role. In contrast, both factors control the aggregation of oligomeric macrocycle, with energetic factor prevailing. These findings are of importance for (i) the understanding the diverse structural behavior of bioamphiphiles that have very similar chemical structure, but different conformations; and (ii) the design of amphiphiles with controlled model of self-assembly. Supramolecular systems studied can be recommended for biotechnological applications.
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Affiliation(s)
- L Ya Zakharova
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia.
| | - V E Semenov
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - V V Syakaev
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - M A Voronin
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - D R Gabdrakhmanov
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - F G Valeeva
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - A S Mikhailov
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - A D Voloshina
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - V S Reznik
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - Sh K Latypov
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
| | - A I Konovalov
- A.E. Arbuzov Institute of Organic and Physical Chemistry of the Russian Academy of Sciences, 8, ul.Akad. Arbuzov, Kazan 420088, Russia
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Keya JJ, Islam MM, Rahman MM, Mollah MYA, Susan MABH. Effect of a water structure modifier on the aqueous electrochemistry of supramolecular systems: Redox-active versus conventional surfactants. J Electroanal Chem (Lausanne) 2014. [DOI: 10.1016/j.jelechem.2013.11.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Ukhatskaya EV, Kurkov SV, Rodik RV, Kalchenko VI, Matthews SE, Jansook P, Loftsson T. Surface activity and self-aggregation ability of three cationic quaternized aminocalix[4]arenes. J INCL PHENOM MACRO 2013. [DOI: 10.1007/s10847-013-0370-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Ukhatskaya EV, Kurkov SV, Hjálmarsdóttir MA, Karginov VA, Matthews SE, Rodik RV, Kalchenko VI, Loftsson T. Cationic quaternized aminocalix[4]arenes: cytotoxicity, haemolytic and antibacterial activities. Int J Pharm 2013; 458:25-30. [PMID: 24157345 DOI: 10.1016/j.ijpharm.2013.10.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 10/08/2013] [Accepted: 10/13/2013] [Indexed: 10/26/2022]
Abstract
This study reports the characterization of three cationic amphiphillic aminocalix[4]arenes as potential antimicrobial agents in vitro. In cytotoxicity tests on mouse macrophage RAW 264.7 cells aminocalix[4]arenes 1 and 3 showed no toxicity up to 200 and 100 μM concentrations, respectively, while 2 was non-toxic only up to 50 μM. With regard to the haemolytic activity on rabbit red blood cells, 1 was not active at concentrations up to 100 μM in contrast to the other two studied macrocycles. Compounds showed negligible ability to protect either mouse macrophage RAW 264.7 cells from anthrax lethal toxin of Bacillus anthracis (B. anthracis) or rabbit red blood cells from α-haemolysin of Staphylococcus aureus (S. aureus) in comparison to amino-β-cyclodextrins. However, all aminocalix[4]arenes showed potential as antimicrobials. Their minimum inhibitory concentrations (MIC) against Escherichia coli (E. coli) and S. aureus were in the 16-32 μg/ml concentration range, while minimum lethal concentrations (MLC) varied from 16 to 256 μg/ml depending on the bacteria and aminocalix[4]arene considered. Macrocycle 1 showed partial synergism against S. aureus in tandem with a model antibacterial drug, fusidic acid, at certain concentration combinations.
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Affiliation(s)
- Elena V Ukhatskaya
- Faculty of Pharmaceutical Sciences, University of Iceland, Hofsvallagata 53, IS-107, Reykjavik, Iceland
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Mironova DA, Muslinkina LA, Syakaev VV, Morozova JE, Yanilkin VV, Konovalov AI, Kazakova EK. Crystal violet dye in complexes with amphiphilic anionic calix[4]resorcinarenes: Binding by aggregates and individual molecules. J Colloid Interface Sci 2013; 407:148-54. [DOI: 10.1016/j.jcis.2013.06.048] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Revised: 06/10/2013] [Accepted: 06/11/2013] [Indexed: 10/26/2022]
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Ukhatskaya EV, Kurkov SV, Matthews SE, Loftsson T. Encapsulation of Drug Molecules into Calix[n]arene Nanobaskets. Role of Aminocalix[n]arenes in Biopharmaceutical Field. J Pharm Sci 2013; 102:3485-512. [DOI: 10.1002/jps.23681] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 06/28/2013] [Accepted: 07/01/2013] [Indexed: 11/05/2022]
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Kazakova E, Morozova J, Mironova D, Syakaev V, Muslinkina L, Konovalov A. Influence of amidoammonium calix[4]resorcinarenes on methyl orange protolytic equilibrium: supramolecular indicator systems. Supramol Chem 2013. [DOI: 10.1080/10610278.2013.809085] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Ella Kazakova
- A.E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, 8 Arbuzov str., Kazan, 420088, Russia
| | - Julia Morozova
- A.E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, 8 Arbuzov str., Kazan, 420088, Russia
| | - Diana Mironova
- A.E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, 8 Arbuzov str., Kazan, 420088, Russia
| | - Victor Syakaev
- A.E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, 8 Arbuzov str., Kazan, 420088, Russia
| | - Liya Muslinkina
- Institute National d'Optiquie (INO), 2740 Einstein str., QuebecQCCanadaG1P 4S4,
| | - Alexander Konovalov
- A.E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, 8 Arbuzov str., Kazan, 420088, Russia
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Rodik RV, Klymchenko AS, Jain N, Miroshnichenko SI, Richert L, Kalchenko VI, Mély Y. Virus-Sized DNA Nanoparticles for Gene Delivery Based on Micelles of Cationic Calixarenes. Chemistry 2011; 17:5526-38. [DOI: 10.1002/chem.201100154] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2010] [Indexed: 11/07/2022]
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22
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Morozova JE, Kazakova EK, Mironova DA, Shalaeva YV, Syakaev VV, Makarova NA, Konovalov AI. Investigation of Tetramethylenesulfonated Calix[4]resorcinarene Interactions with Azo Dyes in Aqueous Solution. J Phys Chem B 2010; 114:13152-8. [DOI: 10.1021/jp106060p] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Julia E. Morozova
- A. E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Arbuzov Street 8, Kazan, 420088 Russian Federation
| | - Ella Kh. Kazakova
- A. E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Arbuzov Street 8, Kazan, 420088 Russian Federation
| | - Diana A. Mironova
- A. E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Arbuzov Street 8, Kazan, 420088 Russian Federation
| | - Yana V. Shalaeva
- A. E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Arbuzov Street 8, Kazan, 420088 Russian Federation
| | - Victor V. Syakaev
- A. E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Arbuzov Street 8, Kazan, 420088 Russian Federation
| | - Nely A. Makarova
- A. E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Arbuzov Street 8, Kazan, 420088 Russian Federation
| | - Alexander I. Konovalov
- A. E. Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Arbuzov Street 8, Kazan, 420088 Russian Federation
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23
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Lopez-Cornejo P, Bote B, Felix R, Infantes I, Lopez P, Martin A, Mateos E, Perez M, Rojas A, Suarez R. Binding of Ru(NH3)5pz2+ to 4-sulfocalix[4]arene sodium salt. Effects of the host-guest interaction on electron transfer processes. J Phys Chem B 2009; 113:12721-6. [PMID: 19722494 DOI: 10.1021/jp903715t] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reactions [Ru(NH3)5pz]2++S2O8(2-) and [Ru(NH3)5pz]2++[Co(C2O4)3]3- have been studied in solutions of 4-sulfocalix[4]arene sodium salt. Results show a binding of the ruthenium complex to the calixarene with a 2:1 stoichiometry; that is, a ruthenium molecule binds to two calixarene molecules. This stoichiometry changes when NaCl is added to the medium. Thus, a mixture of 1:1 and 2:1 adducts is found in the presence of 0.1 mol dm(-3) NaCl and only 1:1 adducts when the salt concentration is increased up to 0.3 mol dm(-3). Results show that the binding of the ruthenium complex to the calixarene is due to electrostatic and nonelectrostatic interactions. Kinetic data are interpreted by using the pseudophase model and taking into account the stoichiometry of the ruthenium binding to calixarene. The presence of a supporting electrolyte in the medium produces ion pair formation which exerts an influence on the kinetic rate constants.
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Affiliation(s)
- P Lopez-Cornejo
- Department of Physical Chemistry, Faculty of Chemistry, University of Seville, c/ Prof. Garcia Gonzalez s/n, 41012 Seville, Spain.
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The influence of cationic tetrapropoxycalix[4]arene choline on protolytic equilibria of acid-base indicators in aqueous solutions. J Mol Liq 2009. [DOI: 10.1016/j.molliq.2008.02.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Sgarlata C, Bonaccorso C, Gulino FG, Zito V, Arena G, Sciotto D. Inclusion of aromatic and aliphatic anions into a cationic water-soluble calix[4]arene at different pH values. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.01.100] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Sgarlata C, Bonaccorso C, Gulino FG, Zito V, Arena G, Sciotto D. Stereochemistry and thermodynamics of the inclusion of aliphatic and aromatic anionic guests in a tetracationic calix[4]arene in acidic and neutral aqueous solutions. NEW J CHEM 2009. [DOI: 10.1039/b901164c] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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McHedlov-Petrossyan NO, Bryleva EY, Vodolazkaya NA, Dissanayake AA, Ford WT. Nature of cationic poly(propylenimine) dendrimers in aqueous solutions as studied using versatile indicator dyes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:5689-5699. [PMID: 18452320 DOI: 10.1021/la800443q] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Aqueous solutions of four cationic poly(propylenimine) low-generation dendrimers of different architecture and hydrophobicity have been examined as media for acid-base reactions of indicator dyes. The cationic dendrimers in solution can be considered as oligomers of cationic polyelectrolytes, or surfactant-like species, able to form micelles through self-association or sometimes even as unimolecular micelles. The dendrimers influence the ionization constants, tautomeric equilibria, and absorption/emission/excitation spectra of indicator dyes. The p K a values of the majority of the indicator dyes decrease in dendrimer solutions, often by 1-2 p K a units, similar to effects registered in micellar solutions of cationic surfactants. Analogously, the shifts of absorption band maxima indicate that the microenvironments of the dyes bound to the dendrimers are less polar than in water. However, some spectral effects denote the specificity of the dendrimers. The greatest difference between the dendrimers and spherical surfactant micelles is revealed by kinetic processes, especially of bromophenol blue alkaline fading in a dendrimer solution but not in a micellar surfactant solution. Within the dendrimer series, the most significant differences were observed for substances possessing n-dodecyl tails on the one hand and those without such hydrophobic portions on the other. For the last-named, the decrease in p K a's of indicators, band shifts of their anions, and in particular displacement of tautomeric equilibria compared with aqueous solutions are much smaller than for more hydrophobic dendrimers.
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Protolytic equilibrium in lyophilic nanosized dispersions: Differentiating influence of the pseudophase and salt effects. PURE APPL CHEM 2008. [DOI: 10.1351/pac200880071459] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The so-called apparent ionization constants of various acids (mainly indicator dyes) in versatile organized solutions are analyzed. Aqueous micellar solutions of colloidal surfactants and related lyophilic colloidal systems display a strong differentiating influence on the acidic strength of indicators located in the dispersed pseudophase, i.e., non-uniform changes of pKa on going from water to the given system. This concept allows the influence of such media on acid-base properties of dissolved reagents to be rationalized. It is demonstrated that the differentiating phenomenon is the main reason for limitation of the common electrostatic model of acid-base interactions, and is the principal hindrance to exact evaluations of the interfacial electrical potentials of ionic micelles by means of acid-base indicators. Salt effects, i.e., the influence of supporting electrolytes on the apparent ionization constants of acid-base indicators in the Stern region of ionic micelles, are considered. These salt effects can be conventionally divided into two kinds, namely, general (normal) and special (specific) effects. While the first type adds up to screening of the surface charge, the second one consists in micellar transitions caused by hydrophobic counterions.
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Sanchez A, Jiménez R, Ternero F, Mesa R, Piñero CA, Muriel F, Lopez-Cornejo P. Rigidity and/or Flexibility of Calixarenes. Effect of the p-Sulfonatocalix[n]arenes (n = 4, 6, and 8) on the Electron Transfer Process [Ru(NH3)5pz]2+ + Co(C2O4)33-. J Phys Chem B 2007; 111:10697-702. [PMID: 17713942 DOI: 10.1021/jp072827m] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reaction [Ru(NH3)5pz]2+ + Co(C2O4)33- has been studied in aqueous solutions of p-sulfonatocalix[n]arene (n = 4, 6, and 8). The results are interpreted by using the pseudophase model. Results show that the rigidity and/or flexibility of the assembled rings have a great effect on the thermodynamics of inclusion of the guest into the host and, therefore, on the kinetics of the electron transfer processes that take place in these media. The obtained results are discussed from the viewpoint of two types of interactions: electrostatic and nonelectrostatic. From surface potential measurements, the guest-host interactions have been demonstrated to be mainly due to nonelectrostatic interactions, although the species are charged. So, the nonelectrostatic contribution to the equilibrium constant in all the calixarenes studied is 1 order of magnitude higher than the electrostatic one (Knel = 144 and 884 mol-1 dm3 for p-sulfonatocalix[n]arene (n = 4 and 6, respectively) and Kel approximately 10 mol-1 dm3). Electrostatic interactions also affect the kinetic results.
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Affiliation(s)
- A Sanchez
- Departamento de Química Física, Universidad de Sevilla, c/Prof. Gacía GonzAlez s/n, 41012 Sevilla, Spain
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