Добірка наукової літератури з теми "Bis-phosphonic acids"
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Статті в журналах з теми "Bis-phosphonic acids"
Rao, B. Venkateswara, and D. M. Puri. "Copper(II) Complexes of Organophoshonic Acids-A Comparative Study." E-Journal of Chemistry 8, s1 (2011): S271—S281. http://dx.doi.org/10.1155/2011/813586.
Повний текст джерелаPopov, Konstantin, Hannu Rönkkömäki, and Lauri H. J. Lajunen. "Critical evaluation of stability constants of phosphonic acids (IUPAC Technical Report)." Pure and Applied Chemistry 73, no. 10 (October 1, 2001): 1641–77. http://dx.doi.org/10.1351/pac200173101641.
Повний текст джерелаChung, Yeong-Jin. "Combustive Characteristics of Wood Specimens Treated with Alkylenediaminoalkyl-Bis-Phosphonic Acids." Journal of Korean Institute of Fire Science and Engineering 27, no. 6 (December 31, 2013): 57–63. http://dx.doi.org/10.7731/kifse.2013.27.6.057.
Повний текст джерелаPenicaud, Virginie, Fabrice Odobel, and Bruno Bujoli. "Facile and efficient syntheses of 2,2′-bipyridine-based bis(phosphonic) acids." Tetrahedron Letters 39, no. 22 (May 1998): 3689–92. http://dx.doi.org/10.1016/s0040-4039(98)00647-9.
Повний текст джерелаYushkova, Yu V., S. V. Morozov, E. I. Chernyak, and N. A. Grigor′ev. "Synthesis of New Trolox-Based Antioxidants Containing Amino-bis-Phosphonic Acids." Chemistry of Natural Compounds 53, no. 4 (July 2017): 764–66. http://dx.doi.org/10.1007/s10600-017-2115-z.
Повний текст джерелаGuenin, Erwann, Estelle Degache, Jean Liquier, and Marc Lecouvey. "Synthesis of 1-Hydroxymethylene-1,1-bis(phosphonic acids) from Acid Anhydrides: Preparation of a New Cyclic 1-Acyloxymethylene-1,1-bis(phosphonic acid)." European Journal of Organic Chemistry 2004, no. 14 (July 2004): 2983–87. http://dx.doi.org/10.1002/ejoc.200400053.
Повний текст джерелаKalchenko, Vitaly, Olga Kalchenko, and Sergiy Cherenok. "Complexation of Calix[4]arene bis-Hydroxymethylenediphosphonic Acid with Amino acids. Binding Constants Determination by RP HPLC Method." French-Ukrainian Journal of Chemistry 3, no. 2 (2015): 93–100. http://dx.doi.org/10.17721/fujcv3i2p93-100.
Повний текст джерелаVrbovská, Silvie, Antonín Holý, Radek Pohl, and Milena Masojídková. "Bifunctional Acyclic Nucleoside Phosphonates. 1. Symmetrical 1,3-Bis[(phosphonomethoxy)propan-2-yl] Derivatives of Purines and Pyrimidines." Collection of Czechoslovak Chemical Communications 71, no. 4 (2006): 543–66. http://dx.doi.org/10.1135/cccc20060543.
Повний текст джерелаPirat, J. L., C. Brahic, C. Ciptadi, H. J. Cristau, A. Hervé, and D. Virieux. "Bis(hydroxymethyl)phosphine Oxides and Hydroxymethyl Phosphinic Acids as Phosphonic Acid Analogs." Phosphorus, Sulfur, and Silicon and the Related Elements 177, no. 8-9 (August 2002): 2221–22. http://dx.doi.org/10.1080/10426500213342.
Повний текст джерелаJustyna, Katarzyna, Joanna Małolepsza, Damian Kusy, Waldemar Maniukiewicz, and Katarzyna M. Błażewska. "The McKenna reaction – avoiding side reactions in phosphonate deprotection." Beilstein Journal of Organic Chemistry 16 (June 23, 2020): 1436–46. http://dx.doi.org/10.3762/bjoc.16.119.
Повний текст джерелаДисертації з теми "Bis-phosphonic acids"
McGraw, Thomas L. (Thomas Lee). "The Effect of N, N Bis (ethylene)-P (1-adamantyl) Phosphonic Diamide on Rous Sarcoma Virus." Thesis, North Texas State University, 1988. https://digital.library.unt.edu/ark:/67531/metadc501033/.
Повний текст джерелаHOSSAIN, KHOHINUR. "Derivatization of Metal Oxide with Bis-phosphonic Acids: A Straightforward Approach for Tailoring the Superficial Properties of the Nanoparticles for Drug Delivery Purposes." Doctoral thesis, Università degli Studi di Trieste, 2020. http://hdl.handle.net/11368/2963768.
Повний текст джерелаTThe development of new hybrid organic-inorganic nanosystems is a cutting-edge field of research specifically for high potential biomedical applications. Specifically, the interaction between the organic ligands and the inorganic nanoparticles need to be specifically investigated and tailored in order to achieve stability and to impart specific properties to the nano-assemblies. ZrNPs are subjected to extensive study and functionalization to modify the surface properties of these materials. The surface chemistry on zirconia is not comparable to that of silica in particular due to the decreased chemical stability of the silane bond from Zr–O–Si–R with respect to Si–O–Si–R. It is worth to notice that the use of silane derivatives implies a condensation reaction with often release of alcohol or halides as by products. It is well known that zirconia, thanks to its surface structure, can efficiently interact with phosphate and phosphonate-based ligands, as evidenced also by the application of zirconia to remove phosphates from water. We considered the reaction of vinylidenebisphosphonate ester with nucleophiles through Michael or hetero-Michael as a versatile reaction enabling the preparation from a common scaffold of a wide range of possible BPs products starting from diethyl phosphite via formation of methylenebisphosphonate ester. In the present contribution we introduce a versatile approach for the modification of the surface properties of ZrNPs and to some extent also other metal oxide NPs, based on the employment of a family of BPs as derivatizing species. The functionalization was obtained by simple mixing in aqueous solution the zirconia with the desired BPs under buffered conditions leading to a wide range of surface modified NPs with enhanced colloidal stability due to the presence of negative charges on the surface over a wide range of pH, as demonstrated by ζ-potential measurements. The modified nanoparticles were characterized by IR, TGA, XPS to investigate the grafting density and the loading of the bisphosphonic acid, TEM and SEM to investigate the size and morphologies of the nanoparticles and 31P and 1H Solid State NMR to investigate the coordination motif of the phosphonate units on the surface. All these analytical techniques demonstrated the strong affinity of the bisphosphonic moiety for the Zr(IV) metal centers. The bisphosphonic acid showed also efficient binding to other metal oxide nanoparticles such as Bi2O3, while interaction with SiO2 nanoparticles was too weak due to the non-metallic character of the Si centers. The functionalization of metal oxide nanoparticles with bisphosphonic acids represents a straightforward covalent approach for derivatization that is complementary to the typical tris-alkoxy-silane or trichloro-silane reagents largely employed for the functionalization of silica and metal oxide nanoparticles.
Moutaoukil, Zakaria. "Synthèse et étude de nouveaux agents de flottation et de démétallisation et leurs applications dans l'industrie des phosphates." Electronic Thesis or Diss., Université Côte d'Azur, 2023. http://theses.univ-cotedazur.fr/2023COAZ4027.
Повний текст джерелаNowadays, the mining industry has seen intense activity in the development of reagents and additives for processing a wide variety of minerals, with a special focus on collectors, depressants, as well as chelating agents. Indeed, these agents demonstrated high performances at industrial level, and more particularly in the phosphate industry.The ultimate goal of this thesis work is to develop new “Home Made” reagents and additives in order to support ongoing developments in the phosphate industry in Morocco and to open new perspectives. Accordingly, our research work is focused on the synthesis and performance evaluation of reagents and additives at laboratory, pilot and industrial scales. In this context, agents, belonging to different chemical classes, have been designed for P2O5 low-grade phosphate beneficiation as well as for heavy metals removal. Indeed, with the increase in the world population and the growing demand for free-heavy metals phosphate fertilizers, it is of utmost importance to focus on the exploitation of P2O5 low-grade phosphates and the elimination of heavy metals. In this context, we developed and evaluated various home-made organophosphorus agents during reverse flotation and precipitation processes. These chemicals have proven to be very effective and have produced high yields. Furthermore, during this thesis work, we were also interested in the design, synthesis and evaluation of new bis-phosphonic acids and dihydropyrimidines, with the aim of enhancing and diversifying the portfolio of P-based products, within the framework of green and sustainable chemistry
Wells, Christopher J. "The equilibrium characteristics of aqueous cobalt and nickel mixtures with the extractant bis-(2-ethylhexyl)-phosphonic acid." Thesis, University of Ottawa (Canada), 1991. http://hdl.handle.net/10393/7545.
Повний текст джерелаYeh, Zhen, and 葉臻. "Self-assembly, Structures, and Properties of1,4-Bis(methylene phosphonic acid)-2,3,5,6- tetramethylbenzene Containing Coordination Polymers." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/43z2cc.
Повний текст джерела國立臺北科技大學
化學工程研究所
101
In this thesis, a bis-phosphonate acid ligand 1,4-bis(methylene phosphonic acid) 2,3,5,6-tetramethylbenzene (H4bmpb) was reacted with transition-metal ions (MnII, CoII), and alkaline earth ions (BaII), at different temperatures and at different pH values, resulting in the formation of five coordination polymers 1-5. When the H4bmpb ligand was reacted with transition-metal ions (MnII, CoII), three coordination polymers were produced. Compounds 1 and 2 were prepared under different reaction conditions at different pH values. Compounds 1 and 2 were characterized by single-crystal X-ray diffraction analyses. The compounds are isostructures and adopt a 1D chain topology. Compound 3 was obtained as a co-crystal. The thermal stability and physical properties of the complexes were also examined. Compounds 4 and 5 were produced by the reaction of H4bmpb with a transition-metal ion (CoII) in the presence of 4,4''-bipyridine or 2,2''-bipyridine. Compound 4 is a 2D coordination polymer. The 2D layers are further stacked into a 3D MOF. However, when the temperature was increased to 60 °C, compound 5 was produced. This compound is a 1D chain and the chains are further linked into a 2D sheet. The structures, thermal stabilities and physical properties of products 1-5 are discussed in this thesis.
Частини книг з теми "Bis-phosphonic acids"
Sposato, Corradino, Alessandro Blasi, Giuseppe Devincenzis, Pietro Garzone, and Massimo Morgana. "Comparison Among Different Extractants, AS (2-Ethylhexyl)-Mono (2-Ethylhexyl) Ester Phosphonic Acid (P507), Secondary-octyl Phenoxy Acetic Acid (CA-12) and Bis (2, 4, 4-Trimethylpentyl) Phosphinic Acid (CYANEX272), in the Separation of Heavy Rare Earths v." In Rare Metal Technology 2014, 201–3. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118888551.ch36.
Повний текст джерелаHaga, Masa-aki. "Surface-Confined Ruthenium Complexes Bearing Benzimidazole Derivatives: Toward Functional Devices." In Ruthenium - an Element Loved by Researchers [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97071.
Повний текст джерела"Effect of Insuffi cient Watering and Melamine Salt of Bis(Oxymethyl)phosphonic Acid (Melaphen) on the Fatty Acid Composition." In Progress in Polymer Materials Science, 206–17. Apple Academic Press, 2013. http://dx.doi.org/10.1201/b14543-24.
Повний текст джерела