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Journal articles on the topic 'Methylphosphonic Acid'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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1

Afonin, E. G. "Iminodi(methylphosphonic) Acid." Russian Journal of General Chemistry 73, no. 10 (2003): 1503–5. http://dx.doi.org/10.1023/b:rugc.0000016010.34401.4f.

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2

Vokuev, M. F., A. V. Braun, T. M. Baygildiev, I. V. Rybalchenko, and I. A. Rodin. "Determination of methylphosphonic acid and alkyl methylphosphonic acid esters in soils by liquid chromatography-high-resolution mass spectrometry (LC-HRMS)." Industrial laboratory. Diagnostics of materials 88, no. 1(I) (2022): 25–33. http://dx.doi.org/10.26896/1028-6861-2022-88-1-i-25-33.

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We have optimized the method for simultaneous extraction of ethyl methylphosphonic acid ester (EMPA), isopropyl methylphosphonic acid ester (IPMPA), isobutyl methylphosphonic acid ester (IBMPA), pinacolyl methylphosphonic acid ester (PMPA), and methylphosphonic acid (MPA) from soil with their further determination by high performance liquid chromatography — high-resolution tandem mass spectrometry (HPLC — HRMS/MS). The analytes are highly-polar products of nerve agent hydrolysis. The observed ions in the fragmentation mass spectra of deprotonated molecules of EMPA, IPMPA, IBMPA, PMPA, MPA, and
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3

Sega, Gary A., Bruce A. Tomkins, and Wayne H. Griest. "Analysis of methylphosphonic acid, ethyl methylphosphonic acid and isopropyl methylphosphonic acid at low microgram per liter levels in groundwater." Journal of Chromatography A 790, no. 1-2 (1997): 143–52. http://dx.doi.org/10.1016/s0021-9673(97)00747-4.

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4

Reuter, Hans, and Martin Reichelt. "Methylphosphonic acid, CH3PO(OH)2." Acta Crystallographica Section E Structure Reports Online 70, no. 3 (2014): o353. http://dx.doi.org/10.1107/s1600536814003572.

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The asymmetric unit of the title compound, CH5O3P, contains two independent molecules with nearly identical bond lengths and angles. In the crystal, each of the molecules acts as acceptor (P=O) and donor (P—OH) of four hydrogen bonds to three adjacent molecules, resulting in the formation of two different bilayers (one for each molecule) stacked perpendicular to theaaxis in the crystal.
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5

Watson, Rebecca E., Ahmed M. Hafez, Jonathan N. Kremsky, and George O. Bizzigotti. "Toxicity of Binary Chemical Munition Destruction Products: Methylphosphonic Acid, Methylphosphinic Acid, 2-Diisopropylaminoethanol, DF Neutralent, and QL Neutralent." International Journal of Toxicology 26, no. 6 (2007): 503–12. http://dx.doi.org/10.1080/10915810701707551.

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This paper reports the toxicity and environmental impact of neutralents produced from the hydrolysis of binary chemical agent precursor chemicals DF (methylphosphonic difluoride) and QL (2-[bis(1-methylethyl)amino]ethyl ethyl methylphosphonite). Following a literature review of the neutralent mixtures and constituents, basic toxicity tests were conducted to fill data gaps, including acute oral and dermal median lethal dose assays, the Ames mutagenicity test, and ecotoxicity tests. For methylphosphonic acid (MPA), a major constituent of DF neutralent, the acute oral LD50 in the Sprague-Dawley r
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6

Vitha, Tomáš, Jan Kotek, Jakub Rudovský, et al. "Selective Protection of 1,4,8,11-Tetraazacyclotetradecane (Cyclam) in Position 1,4 with the Phosphonothioyl Group and Synthesis of a Cyclam-1,4-bis(methylphosphonic Acid). Crystal Structures of Several Cyclic Phosphonothioamides." Collection of Czechoslovak Chemical Communications 71, no. 3 (2006): 337–67. http://dx.doi.org/10.1135/cccc20060337.

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A new cyclam-based ligand, 1,4,8,11-tetraazacyclotetradecane-1,4-bis(methylphosphonic acid) (1,4-H4te2p), was synthesized. Cyclam was protected by the reaction with PhP(S)Cl2 to form exclusively five-membered cyclic phenylphosphonothioic diamide 2 in a moderate yield. The solid-state structures of 2 and several by-products were determined. Compound 2 was isolated as two stable conformers differing in a mutual position of benzene ring and sulfur atom with respect to the cyclam ring. Compound 2 was used for the synthesis of 1,4-dibenzylcyclam. However, the deprotection of the thiophosphoryl-prot
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7

Lewkowski, Jarosław, Maria Rodriguez Moya, Anna Wrona-Piotrowicz, Janusz Zakrzewski, Renata Kontek, and Gabriela Gajek. "Synthesis, fluorescence properties and the promising cytotoxicity of pyrene–derived aminophosphonates." Beilstein Journal of Organic Chemistry 12 (June 16, 2016): 1229–35. http://dx.doi.org/10.3762/bjoc.12.117.

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A large series of variously substituted amino(pyren-1-yl)methylphosphonic acid derivatives was synthesized using a modified aza-Pudovik reaction in 20–97% yields. The fluorescence properties of the obtained compounds were investigated revealing that N-alkylamino(pyren-1-yl)methylphosphonic derivatives are stronger emissive compounds than the corresponding N-aryl derivatives. N-Benzylamino(pyren-1-yl)methylphosphonic acid displayed strong fluorescence (ΦF = 0.68) in phosphate-buffered saline (PBS). The influence of a series of derivatives on two colon cancer cell lines HT29 and HCT116 was also
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8

Ленинский, М. А., Е. И. Савельева, and И. А. Васильева. "Assessment of recovery levels of organophosphorus toxic substances conversion products from building materials by high-performance liquid chromatography with tandem mass-selective detection." Химическая безопасность / Chemical Safety Science 5, no. 1 (2021): 166–84. http://dx.doi.org/10.25514/chs.2021.1.19011.

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Сформирован перечень веществ (маркеров) для ретроспективного установления факта загрязнения в прошлом различных материалов фосфорорганическими отравляющими веществами. К «долгоживущим» маркерам загрязнения относятся: O-изобутил-S-(2-диэтиламиноэтил) метилфосфонотиоат (VR) и 11 продуктов конверсии фосфороганических отравляющих веществ: диизопропилметилфосфонат, изопропил-изобутил метилфосфонат, изобутил-пинаколил метилфосфонат, дипинаколил метилфосфонат, диизобутил метилфосфонат, изобутил метилфосфоновая кислота, бис(2-диэтил-аминоэтил) дисульфид, S-2-(диэтиламиноэтил) метилфосфонотиоат, О-изоп
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9

Mong, G. M., S. D. Harvey, and J. A. Campbell. "Synthesis of Alkyl Methylphosphonic Acid Esters." Phosphorus, Sulfur, and Silicon and the Related Elements 180, no. 8 (2005): 1885–91. http://dx.doi.org/10.1080/104265090889602.

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10

Bianchetta, Stephen, Lixiong Li, and Earnest F. Gloyna. "Supercritical Water Oxidation of Methylphosphonic Acid." Industrial & Engineering Chemistry Research 38, no. 8 (1999): 2902–10. http://dx.doi.org/10.1021/ie990094p.

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11

Kozachkova, Oleksandra, Nataliya Tsaryk, Vasyl Pekhnyo, Volodymyr Trachevskij, Olga Kocharovska, and Oleksii Palchyk. "ACID-BASE PROPERTIES OF ALKYLENE­DIAMINETETRA (METHYLENEPHOSPHONIC) ACIDS." Ukrainian Chemistry Journal 89, no. 3 (2023): 3–14. http://dx.doi.org/10.33609/2708-129x.89.03.2023.3-14.

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The acid-base characteristics of ethylenediaminetetra(methylenephosphonic) (edtmp), tetramethylenediaminetetra(methylenephosphonic) (tetdtmp) and pentamethylenediaminetetra(methylenephosphonic) (pendtmp) acids were investigated by means of pH-potentiometry and 31P NMR spectroscopy. Calculated and estimated values of acid dissociation constants (pK) for edtmp (рК1<2, рК2<2, рК3=3.07, рК4=5.17, рК5=6.52, рК6=7.97, рК7=9.65, рК8=10.94), for tetdtmp (рК1<2, рК2=4.48, рК3=5.34, рК4=6.13, рК5=6.66, рК6=10.08, рК7~11.4, рК8~11.5) and for pendtmp (рК1<2, рК2=4.22, рК3=5.56, рК4=6.16, рК5=7
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12

Archanjo, B. S., L. A. S. Carvalho, M. Rassa, et al. "Nanowires and Nanoribbons Formed by Methylphosphonic Acid." Journal of Nanoscience and Nanotechnology 7, no. 9 (2007): 3071–80. http://dx.doi.org/10.1166/jnn.2007.683.

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13

Sullivan, Patricia A., and Jefferson W. Tester. "Methylphosphonic acid oxidation kinetics in supercritical water." AIChE Journal 50, no. 3 (2004): 673–83. http://dx.doi.org/10.1002/aic.10061.

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14

Ogorodnikova, S. Y., N. K. Golovko, and T. Y. Ashikhmina. "Plants Reaction to the Methylphosphonic Acid Influence." Theoretical and Applied Ecology, no. 1 (May 10, 2007): 78–83. https://doi.org/10.25750/1995-4301-2007-1-050-55.

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The influence of phosphororganic xenobiotic - methylphosphonic acid (MPA) on cultural (barley, fodder pea) and wild plants (Amoria repens, Plantago major, Taraxacum officinale, Lathyrus pratensis, Pisum arvense, Ranunculus acris, Dactylis glomerata) was investigated. It was shown that MPA causes oxidative stress in plants, effects on plant growth, accumulation of biomass, rates of respiration, heat production and pigment complex. The scheme of MPA action was offered.
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15

Vokuev, M. F., A. V. Braun, T. M. Baygildiev, I. V. Rybalchenko, and I. A. Rodin. "Determination of Methylphosphonic Acid and Alkyl Methylphosphonic Acid Esters in Soils by Liquid Chromatography–High-Resolution Mass Spectrometry." Inorganic Materials 59, no. 14 (2023): 1396–405. http://dx.doi.org/10.1134/s0020168523140157.

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16

Koval, E. V., та S. Yu Ogorodnikova. "Обработка семян биопленками цианобактерий для повышения устойчивости растений в условиях химического загрязнения метилфосфонатами". Ecosystem Transformation, № 1(19) (15 березня 2023): 3–11. http://dx.doi.org/10.23859/estr-220609.

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The effect of biofilms dominated by the cyanobacterium Nostoc commune, methylphosphonic acid and their combined action on the biochemical and physiological parameters of the vital activity of barley plants was studied. Methylphosphonic acid at a concentration of 0.5 and 1 mM was shown to promote the activation of lipid peroxidation processes in leaves by 20 and 60%, respectively, as well as a decrease in the amount of chlorophyll and the length of seedlings by 20%. Inoculation of seeds with natural multispecies biofilms dominated by the cyanobacterium Nostoc commune reduced the phytotoxic effe
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17

Kotek, Jan, Pavel Vojtíšek, Ivana Císařová, et al. "Bis(methylphosphonic Acid) Derivatives of 1,4,8,11-Tetraazacyclotetradecane (Cyclam). Synthesis, Crystal and Molecular Structures, and Solution Properties." Collection of Czechoslovak Chemical Communications 65, no. 8 (2000): 1289–316. http://dx.doi.org/10.1135/cccc20001289.

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Cyclam derivatives with methylphosphonic acid arms in position 1,8 and substituent R = H, Me, CH2Ph in positions 4 and 11 are synthesised by Mannich reaction of an appropriate cyclam derivative, formaldehyde and phosphonic acid/diethyl phosphite followed by removal of protecting benzyl groups from nitrogen atoms. Mono(methylphosphonic acid) derivative of cyclam can be obtained by a similar route. Crystal structures of four phosphonic acid derivatives show the same ring conformation and orientation pendants due to strong intramolecular hydrogen bonds between phosphonate oxygen atoms and protona
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18

Zoń, Jerzy, Deyuan Kong, Kevin Gagnon, Houston Perry, LeAnthony Holliness, and Abraham Clearfield. "Supramolecular networks of polymethylphosphonic acid groups bonded to aromatic platforms: biphenyldiyl-2,2′-bis(methylphosphonic acid) and benzenetriyl-1,3,5-tris(methylphosphonic acid)." Dalton Transactions 39, no. 45 (2010): 11008. http://dx.doi.org/10.1039/c0dt00676a.

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19

Myers, Tanya L., Danielle L. Saunders, James E. Szecsody, et al. "Hydrolysis of methylphosphonic anhydride solid to methylphosphonic acid probed by Raman and infrared reflectance spectroscopies." Analytical Methods 13, no. 35 (2021): 3863–73. http://dx.doi.org/10.1039/d1ay00610j.

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20

Trush, Viacheslav V., Sergiy G. Kharchenko, Vsevolod Yu Tanchuk, Vitaly I. Kalchenko, and Andriy I. Vovk. "Phosphonate monoesters on a thiacalix[4]arene framework as potential inhibitors of protein tyrosine phosphatase 1B." Organic & Biomolecular Chemistry 13, no. 33 (2015): 8803–6. http://dx.doi.org/10.1039/c5ob01247c.

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Monoester derivatives of thiacalix[4]arene tetrakis(methylphosphonic) acid were found to be capable of inhibiting protein tyrosine phosphatase 1B. In addition, these compounds can strongly bind to human serum albumin.
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21

Denisov, N. S., and R. S. Tumskiy. "The Peculiarities of Synthesis of Acid Esters of Methylphosphonic Acid." Chemistry. Biology. Ecology 15, no. 3 (2015): 26–29. http://dx.doi.org/10.18500/1816-9775-2015-15-3-26-29.

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22

Xia, Congcong, Huanhuan Geng, Xiaobao Li, et al. "Mechanism of methylphosphonic acid photo-degradation based on phosphate oxygen isotopes and density functional theory." RSC Advances 9, no. 54 (2019): 31325–32. http://dx.doi.org/10.1039/c9ra05169d.

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Methylphosphonic acid (MPn) is an intermediate in the synthesis of the phosphorus-containing nerve agents, such as sarin and VX, and a biosynthesis product of marine microbes with ramifications to global climate change and eutrophication.
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23

Farquharson, Stuart, Alan Gift, Paul Maksymiuk, and Frank Inscore. "Surface-Enhanced Raman Spectra of VX and its Hydrolysis Products." Applied Spectroscopy 59, no. 5 (2005): 654–60. http://dx.doi.org/10.1366/0003702053946100.

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Detection of chemical agents as poisons in water supplies not only requires μg/L sensitivity, but also requires the ability to distinguish their hydrolysis products. We have been investigating the ability of surface-enhanced Raman spectroscopy (SERS) to detect chemical agents at these concentrations. Here we expand these studies and present the SERS spectra of the nerve agent VX (ethyl S-2-diisopropylamino ethyl methylphosphonothioate) and its hydrolysis products, ethyl S-2-diisopropylamino methylphosphonothioate, 2-(diisopropylamino) ethanethiol, ethyl methylphosphonic acid, and methylphospho
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24

Shao, Xianzhao, Hongguang Ge, Zhizhou Li, Chuanqing Ren, and Junhong Wang. "Solubility of methylphosphonic acid in selected organic solvents." Fluid Phase Equilibria 390 (March 2015): 7–13. http://dx.doi.org/10.1016/j.fluid.2015.01.009.

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25

Gravett, Matthew R., Farrha B. Hopkins, Adam J. Self, Andrew J. Webb, Christopher M. Timperley, and Matthew J. Baker. "Evidence of VX nerve agent use from contaminated white mustard plants." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 470, no. 2168 (2014): 20140076. http://dx.doi.org/10.1098/rspa.2014.0076.

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The Chemical Weapons Convention prohibits the development, production, acquisition, stockpiling, retention, transfer or use of chemical weapons by Member States. Verification of compliance and investigations into allegations of use require accurate detection of chemical warfare agents (CWAs) and their degradation products. Detection of CWAs such as organophosphorus nerve agents in the environment relies mainly upon the analysis of soil. We now present a method for the detection of the nerve agent VX and its hydrolysis products by gas chromatography and liquid chromatography mass spectrometry o
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26

Consiglio, Giuseppe A., Salvatore Failla, and Paolo Finocchiaro. "New synthetic approach to (o-hydroxyphenyl)methylphosphonic acid derivatives." Mendeleev Communications 13, no. 4 (2003): 182–83. http://dx.doi.org/10.1070/mc2003v013n04abeh001784.

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27

Popov, 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 (2001): 1641–77. http://dx.doi.org/10.1351/pac200173101641.

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Available experimental data on stability constants of proton and metal complexes for 10 phosphonic acids [methylphosphonic acid, 1-hydroxyethane-1,1-diylbisphosphonic acid, dichloromethylenebisphosphonic acid, amino-methanephosphonic acid, N-(phosphonomethyl)glycine, imino-N,N-bis(methylenephosphonic acid), N-methylamino-N,N-bis(methylenephosphonic acid), nitrilotris(methylenephosphonic acid), 1,2-diaminoethane-N,N,N´,N´-tetrakis-(methylenephosphonic acid), and diethylenetriamine-N,N,N´,N´´,N´´-pentakis-(methylenephosphonic acid)], published in 1950­1997, have been critically evaluated. For th
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28

Carbone, Luigi, Stefan Kudera, Elvio Carlino, et al. "Multiple Wurtzite Twinning in CdTe Nanocrystals Induced by Methylphosphonic Acid." Journal of the American Chemical Society 128, no. 3 (2006): 748–55. http://dx.doi.org/10.1021/ja054893c.

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29

Ingram, J. C., A. D. Appelhans, and G. S. Groenewold. "Ion-trap SIMS analysis of pinacolyl methylphosphonic acid on soil." International Journal of Mass Spectrometry and Ion Processes 175, no. 3 (1998): 253–62. http://dx.doi.org/10.1016/s0168-1176(98)00130-x.

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30

Ploeger, Jason M., William H. Green, and Jefferson W. Tester. "Co-oxidation of methylphosphonic acid and ethanol in supercritical water." Journal of Supercritical Fluids 39, no. 2 (2006): 239–45. http://dx.doi.org/10.1016/j.supflu.2006.03.003.

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31

Bouammali, H., C. Jama, K. Bekkouch, A. Aouniti, B. Hammouti, and F. Bentiss. "Anticorrosion potential of diethylenetriaminepentakis (methylphosphonic) acid on carbon steel in hydrochloric acid solution." Journal of Industrial and Engineering Chemistry 26 (June 2015): 270–76. http://dx.doi.org/10.1016/j.jiec.2014.11.039.

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32

Navrátil, Oldřich, and Petr Sládek. "Application of Methylphosphonic Acid Monoalkyl Esters to the Extraction of Some Metals." Collection of Czechoslovak Chemical Communications 59, no. 2 (1994): 287–93. http://dx.doi.org/10.1135/cccc19940287.

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The distribution between aqueous nitric acid and benzene was examined for methylphosphonic acid monoalkyl esters where the alkyl was a methyl, propyl, butyl, isobutyl, pentyl, 2-methylbutyl, cyclohexyl or 1,2,2-trimethylpropyl group. The extraction of complexes of these reagents with Ag, Co, Zn, Sc, Yb, Eu and Hf was also investigated. The esters do not dimerize in benzene. The pKa and KD values of the reagents and the corresponding extraction constants were determined. Derivatives containing five and more carbon atoms in the alkyl groups were found practically applicable to the extraction.
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33

Kanamori-Kataoka, Mieko, and Yasuo Seto. "Laboratory Identification of the Nerve Gas Hydrolysis Products Alkyl Methylphosphonic Acids and Methylphosphonic Acid, by Gas Chromatography-mass Spectrometry after tert-Butyldimethylsilylation." JOURNAL OF HEALTH SCIENCE 54, no. 5 (2008): 513–23. http://dx.doi.org/10.1248/jhs.54.513.

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34

Yang, Zi-Xin, Sheng-Fu Wu, Song-Song Bao, Xiu-Fang Ma, Tao Zheng, and Li-Min Zheng. "Chiral Layered Zinc Phosphonates: Exfoliation and Chiroptical Properties." Inorganics 13, no. 2 (2025): 39. https://doi.org/10.3390/inorganics13020039.

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Chiral layered coordination polymers have attracted considerable attention not only because of their intriguing physicochemical properties but also because of their ability to exfoliate into chiral nanosheets. Chiral metal phosphonates with layered structures are of particular interest due to their relatively high thermal and water stabilities, but their corresponding nanosheets are rarely reported on. Herein, we report on a pair of enantiopure zinc phosphonates with the formula S- and R-Zn8(cyampH)8Cl8 (S-Zn, R-Zn), where S- and R-cyampH2 represent S- and R-(1-cyclohexylamino)methylphosphonic
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35

Zaitsev, V. N., L. S. Kostenko, and N. G. Kobylinskaya. "Acid–base properties of silica-based ion-exchanger having covalently bonded aminodi(methylphosphonic) acid." Analytica Chimica Acta 565, no. 2 (2006): 157–62. http://dx.doi.org/10.1016/j.aca.2006.02.030.

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36

Shi, X. Q., H. Xu, M. A. Van Hove, N. H. Moreira, A. L. Rosa, and Th Frauenheim. "Substrate mediated stabilization of methylphosphonic acid on ZnO non-polar surfaces'." Surface Science 606, no. 3-4 (2012): 289–92. http://dx.doi.org/10.1016/j.susc.2011.10.006.

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37

Ashikhmina, T. Y., L. V. Kondakova, L. A. Domracheva, and S. Y. Ogorodnikova. "Methylphosphonic Acid as a Regulator of Biological Processes in Ecological Systems, its Influence upon Micro+organisms, Enzymatic Activity and Higher Plants." Theoretical and Applied Ecology, no. 2 (June 10, 2007): 78–87. https://doi.org/10.25750/1995-4301-2007-2-078-87.

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It is shown that under the influence of methylphosphonic acid (MPA) there take place some changes in the quantity, species and group composition of phototrophic microbe soil complexes as well as in the population and specious density of natural Nostoc commune bio+films. The possibility of using cyanobacteria in bio+testing of MPA content using tetrasole+topographic method is discussed. The ambiguity of MPA influence on germination and linear size of the seedlings of different agricultures is proved.
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38

Lejczak, B., P. Kafarski, and E. Makowiecka. "Phosphonic analogues of tyrosine and 3,4-dihydroxyphenylalanine (dopa) influence mushroom tyrosinase activity." Biochemical Journal 242, no. 1 (1987): 81–88. http://dx.doi.org/10.1042/bj2420081.

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A series of phosphonic analogues of tyrosine and 3,4-dihydroxyphenylalanine (dopa) were synthesized in order to study their interaction with mushroom tyrosinase. 1-Amino-2-(3,4-dihydroxyphenyl)ethylphosphonic acid and 1-amino-2-(3,4-dimethoxyphenyl)ethylphosphonic acid turned out to be substrates for mushroom tyrosinase with Km values of 3.3 mM and 9.3 mM respectively. Shortening of the alkyl chain by one methylene group gave amino-(3,4-dihydroxyphenyl)methylphosphonic acid, one of the most powerful known inhibitors of this enzyme. This compound, racemic as well as in its optically active form
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39

Evans, R. A., E. M. Jakubowski, W. T. Muse, et al. "Quantification of Sarin and Cyclosarin Metabolites Isopropyl Methylphosphonic Acid and Cyclohexyl Methylphosphonic Acid in Minipig Plasma Using Isotope-Dilution and Liquid Chromatography-Time-of-Flight Mass Spectrometry." Journal of Analytical Toxicology 32, no. 1 (2008): 78–85. http://dx.doi.org/10.1093/jat/32.1.78.

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40

Shamai Yamin, Tamar, Moran Madmon, Ariel Hindi, et al. "Enhanced LC-ESI-MS/MS Sensitivity by Cationic Derivatization of Organophosphorus Acids." Molecules 28, no. 16 (2023): 6090. http://dx.doi.org/10.3390/molecules28166090.

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The chemical derivatization to enhance the signal intensity and signal-to-noise (S/N) of several organophosphorus (OP) acids in liquid chromatography tandem mass spectrometry (LC-ESI-MS/MS) is illustrated. The OP class of compounds represents the environmental degradants of OP nerve agents and pesticides. N-(2-(bromomethyl)benzyl)-N,N-diethylethanaminium bromide (CAX-B) was utilized to derivatize a panel of eight acids consisting of five alkyl methylphosphonic acids (ethyl-, isopropyl-, isobutyl-, cyclohexyl-, and pinacolyl-methylphosphonic acid) along with three dialkylphosphate analogs (diet
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41

Berté-Verrando, Sylvie, Rachel Dizière, Mohammad Samadi, and Philippe Savignac. "New route to amino[2H2]methylphosphonic acid via bis(trifluoroethyl) phosphonate transesterification." J. Chem. Soc., Perkin Trans. 1, no. 24 (1995): 3125–27. http://dx.doi.org/10.1039/p19950003125.

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42

Baygildiev, T. M., I. A. Rodin, A. N. Stavrianidi, et al. "Time-Efficient LC/MS/MS Determination of Low Concentrations of Methylphosphonic Acid." Inorganic Materials 53, no. 14 (2017): 1382–85. http://dx.doi.org/10.1134/s0020168517140023.

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43

Li, Zai-Guo, Run-Qiu Huang, Rui-Lian Shao, Yang Zhao та Yun-Xian Long. "THE SYNTHESIS OF α-(4-ANTIPYRYL)AMINO-(SUBSTITUTED) PHENYL-METHYLPHOSPHONIC ACID DERIVATIVES". Phosphorus, Sulfur, and Silicon and the Related Elements 155, № 1 (1999): 137–45. http://dx.doi.org/10.1080/10426509908044977.

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44

Kjaer, Jeanne, Preben Olsen, Marlene Ullum, and Ruth Grant. "Leaching of Glyphosate and Amino-Methylphosphonic Acid from Danish Agricultural Field Sites." Journal of Environmental Quality 34, no. 2 (2005): 608–20. http://dx.doi.org/10.2134/jeq2005.0608.

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45

Arrotin, Bastien, Corentin Libioulle, Tatiana Issakova, et al. "A Comparative Study of the Electro-Assisted Grafting of Mono- and Bi-Phosphonic Acids on Nitinol." Surfaces 2, no. 4 (2019): 520–30. http://dx.doi.org/10.3390/surfaces2040038.

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Over the last few years, Nitinol (NiTi) has become one of the most attractive alloy materials for industrial applications. However, its implementation is still problematic due to its surface nickel content, making it sensitive to pitting corrosion. In applications, it is often necessary to modify NiTi surfaces by using organic coatings, which provides new physico-chemical properties as well as functionalities and often contributes to a reinforcement of the alloy corrosion resistance. In this work, we assess the differences between the molecular layers made out of methylphosphonic acid (C1P) an
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46

Kotek, Jan, Pavel Vojtíšek, Ivana Císařová, Petr Hermann, and Ivan Lukeš. "Unusual cis/trans Isomerism in Octahedral Nickel(II) Complexes with 1,4,8,11-Tetraazacyclotetradecane-1,8-bis(methylphosphonic Acid) as a Ligand." Collection of Czechoslovak Chemical Communications 66, no. 2 (2001): 363–81. http://dx.doi.org/10.1135/cccc20010363.

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Nickel(II) ion reacts with 1,4,8,11-tetraazacyclotetradecane-1,8-bis(methylphosphonic acid) (H4L1) at room temperature with formation of cis-[Ni(L1)]2- complex. The complex was crystallised in several forms in dependence on conditions of isolation (temperature, pH, solvent mixture). Crystal structures of cis-O,O-[Ni(H2L1)] (1), cis-O,O-[Ni(H2L1)]·2H2O (2), cis-O,O-[Ni(H3L1)]Cl·H2O (3) and cis-O,O-[Ni(H4L1)]Cl2·2H2O (4) were determined by X-ray diffraction. In all the compounds, Ni2+ is in octahedral cis-O1,O2-trans-N1,N8-cis-O1,N4-[Ni(L1)]2- (hereafter abbreviated as cis-O,O-[Ni(L1)]2-) arrang
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47

B’Hymer, Clayton. "A Brief Overview of HPLC–MS Analysis of Alkyl Methylphosphonic Acid Degradation Products of Nerve Agents." Journal of Chromatographic Science 57, no. 7 (2019): 606–17. http://dx.doi.org/10.1093/chromsci/bmz034.

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AbstractThe analysis of degradation products from the classic chemical warfare nerve agents by high-performance liquid chromatography–mass spectrometry has been of much interest in recent years owing to the possible use as a terrorist weapon, and the incidents of chemical weapon usage in recent years in war torn countries. The alkyl methylphosphonic acid degradation products are of a particular interest, and they represent a specific chromatographic technical challenge for use in typical separation systems. Various published methods are summarized in this review and some of the problems associ
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Kangas, Michael, Adreanna Ernest, Rachel Lukowicz, et al. "The Identification of Seven Chemical Warfare Mimics Using a Colorimetric Array." Sensors 18, no. 12 (2018): 4291. http://dx.doi.org/10.3390/s18124291.

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Chemical warfare agents pose significant threats in the 21st century, especially for armed forces. A colorimetric detection array was developed to identify warfare mimics, including mustard gas and nerve agents. In total, 188 sensors were screened to determine the best sensor performance, in order to identify warfare mimics 2-chloro ethyl ethylsulfide, 2-2′-thiodiethanol, trifluoroacetic acid, methylphosphonic acid, dimethylphosphite, diethylcyanophosphonate, and diethyl (methylthiomethyl)phosphonate. The highest loadings in the principle component analysis (PCA) plots were used to identify th
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Zagraniarsky, Yulian, Bojidarka Ivanova, Karamfil Nikolov, Sabi Varbanov та Tsvetanka Cholakova. "Synthesis of Dimethylphosphinyl-substituted α-Amino(aryl)methylphosphonic Acids and Their Esters". Zeitschrift für Naturforschung B 63, № 10 (2008): 1192–98. http://dx.doi.org/10.1515/znb-2008-1009.

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AbstractDimethylphosphinylmethylamine (1) and its aldimines 2 were used for the preparation of dimethyl and diethyl α-amino(aryl)methylphosphonates 3a - l via imine hydrophosphonylation and Kabachnik-Fields reaction. Their acid hydrolysis gave rise to the corresponding α-aminophosphonic acids 4a - e. Compounds 3 and 4 have two different phosphorus-containing groups - phosphonyl and dimethylphosphinyl - and might have interesting biological activity.
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Jouko, Vepsäläinen, Nupponen Heikki, and Pohjala Esko. "Bisphosphonic Compounds. II. Preparation of Monophosphonic Starting Materials. Mixed Esters of Methylphosphonic Acid." Synthetic Communications 22, no. 2 (1992): 271–76. http://dx.doi.org/10.1080/00397919208021302.

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