Academic literature on the topic 'Dialkyl phosphonates'

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Journal articles on the topic "Dialkyl phosphonates"

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Pohl, Jean-Marie, Fabian Stöhr, Tim Kramer, Jonathan Becker, and Richard Göttlich. "Bis(2,2,2 trifluoroethyl) Phosphonate as a Convenient Precursor for the Synthesis of H-Phosphonates." Molecules 29, no. 11 (2024): 2432. http://dx.doi.org/10.3390/molecules29112432.

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A microwave-assisted synthesis of dialkyl and cyclic H-phosphonates via bis(2,2,2 trifluoroethyl) phosphonate (BTFEP) is described. This method enables the synthesis of various cyclic H-phosphonates and hetero-substituted dialkyl H-phosphonates by simple alcoholysis under non-inert and additive-free conditions. Short reaction times and the requirement for only stoichiometric amounts of alcohol render this method attractive for synthetic applications.
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Tripolszky, Anna, Emese Tóth, Pál Tamás Szabó, et al. "Synthesis and In Vitro Cytotoxicity and Antibacterial Activity of Novel 1,2,3-Triazol-5-yl-Phosphonates." Molecules 25, no. 11 (2020): 2643. http://dx.doi.org/10.3390/molecules25112643.

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Novel 1,2,3-triazol-5-yl-phosphonates were prepared by the copper(I)-catalyzed domino reaction of phenylacetylene, organic azides and dialkyl phosphites. The process was optimized on the synthesis of the dibutyl (1-benzyl-4-phenyl-1H-1,2,3-triazol-5-yl)phosphonate in respect of the catalyst, the base and the solvent, as well as of the reaction parameters (molar ratio of the starting materials, atmosphere, temperature and reaction time). The method elaborated could be applied to a range of organic azides and dialkyl phosphites, which confirmed the large scope and the functional group tolerance.
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TROEV, K. "ChemInform Abstract: Dialkyl Hydrogen Phosphonates. Part 1. Structure of Dialkyl Hydrogen Phosphonates." ChemInform 25, no. 3 (2010): no. http://dx.doi.org/10.1002/chin.199403304.

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Vázquez-Galiñanes, Nuria, Mariña Andón-Rodríguez, Patricia Gómez-Roibás, and Martín Fañanás-Mastral. "Copper-catalyzed O-alkenylation of phosphonates." Beilstein Journal of Organic Chemistry 16 (April 3, 2020): 611–15. http://dx.doi.org/10.3762/bjoc.16.56.

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Copper catalysis allows the direct oxygen alkenylation of dialkyl phosphonates with alkenyl(aryl)iodonium salts with selective transfer of the alkenyl group. This novel methodology proceeds with a wide range of phosphonates under mild conditions and gives straightforward access to valuable enol phosphonates in very good yields.
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Strekalova, Sofia, Mikhail Khrizanforov, and Yulia Budnikova. "Evaluation of Transition Metal Catalysts in Electrochemically Induced Aromatic Phosphonation." Molecules 24, no. 9 (2019): 1823. http://dx.doi.org/10.3390/molecules24091823.

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Voltammetry provides important information on the redox properties of catalysts (transition metal complexes of Ni, Co, Mn, etc.) and their activity in electrocatalytic reactions of aromatic C–H phosphonation in the presence of a phosphorus precursor, for example, dialkyl-H-phosphonate. Based on catalytic current growth of oxidation or reduction of the metal catalysts (CoII, MnII, NiII, MnII/NiII, MnII/CoII, and CoII/NiII), quantitative characteristics of the regeneration of catalysts were determined, for example, for MnII, NiII and MnII/NiII, CoII/NiII pairs. Calculations confirmed the previou
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Górecki, Łukasz, Artur Mucha, and Paweł Kafarski. "Addition of H-phosphonates to quinine-derived carbonyl compounds. An unexpected C9 phosphonate–phosphate rearrangement and tandem intramolecular piperidine elimination." Beilstein Journal of Organic Chemistry 10 (April 17, 2014): 883–89. http://dx.doi.org/10.3762/bjoc.10.85.

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The Abramov reaction, a base-catalyzed nucleophilic addition of dialkyl H-phosphonates (phosphites) to carbonyl compounds, was performed with oxidized quinine derivatives as the substrates. Homologous aldehydes obtained from the vinyl group reacted in a typical way which led to α-hydroxyphosphonates, first reported compounds containing a direct P–C bond between the quinine carbon skeleton and a phosphorus atom. For the C9 ketones a phosphonate–phosphate rearrangement, associated with a tandem elimination of the piperidine fragment, was evidenced.
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Leslie, DR, та S. Pantelidis. "Intramolecular Catalysis of Dialkyl ω-Aminoalkylphosphonate Hydrolysis". Australian Journal of Chemistry 47, № 3 (1994): 545. http://dx.doi.org/10.1071/ch9940545.

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The influence that intramolecular catalysis of hydrolysis of O-alkyl S-[2-( dialkylamino )ethyl] alkylphosphonothioates by amino groups may have on the product distribution of the reaction is investigated by study of a series of model compounds. The hydrolysis of diethyl [ω-( ethylamino )alkyl] phosphonates and diethyl [ω-( diethylamino )alkyl] phosphonates has been investigated at 75°C over the pH range 8.21-11.45. Contributions to hydrolysis of the ethoxy groups by intramolecular catalysis by the amino groups have been identified for [2-(amino)ethyl]- and [3-(amino) propyl ]- phosphonates. S
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PADAM, NABH NAGAR. "Addition Complexes of Dialkyl Phosphonates with Tin(IV) and Organotin(IV) Chlorides." Journal of Indian Chemical Society Vol. 67, Sep 1990 (1990): 703–5. https://doi.org/10.5281/zenodo.6204126.

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Department of Chemistry, University of Rajasthan, Jaipur-302 004 <em>Manuscript received 15 May 1989, revised 19 February 1990, accepted 11 May 1990</em> Addition complexes of dialkyl phosphonates with tin(IV) chloride, diorganotin dichloride and triorganotin chloride have been prepared and characterised on the basis of ir and nmr (<sup>1</sup>H, <sup>31</sup>P and <sup>1 1 9</sup>Sn) spectral data. Dialkyl phosphonates are bound to the metal atom via the phosphoryl (P = O) oxygen and the effectiveness of coordination depends upon the donor strength of the ligand and the environment of the cen
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Muhammad, Mehwish Hussain, Xiao-Lan Chen, Bing Yu, Ling-Bo Qu, and Yu-Fen Zhao. "Applications of H-phosphonates for C element bond formation." Pure and Applied Chemistry 91, no. 1 (2019): 33–41. http://dx.doi.org/10.1515/pac-2018-0906.

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Abstract The readily accessible and inexpensive dialkyl H-phosphonates are important building blocks for organic synthesis. This review specifically covers our recent work on the application of H-phosphonates as reactants for C–P bond formation, and as promoters for quinoline N-oxides to synthesize 2-functionalized quinolines.
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Sun, Mengmeng, Suyan Sun, Huijie Qiao, et al. "Silver(i)-promoted C5–H phosphonation of 8-aminoquinoline amides with H-phosphonates." Organic Chemistry Frontiers 3, no. 12 (2016): 1646–50. http://dx.doi.org/10.1039/c6qo00379f.

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Dissertations / Theses on the topic "Dialkyl phosphonates"

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Haelters, Jean-Pierre. "Synthèse de dérivés phosphono-indoliques-benzofuranniques et -pyrroliques à partir d'hydrazones phosphonates." Brest, 1987. http://www.theses.fr/1987BRES2002.

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Des derives phosphonoindoliques sont prepares par cyclisation d'arylhydrazones d'oxoalkylphosphonates selon fisher et par cyclodeshydratation d'arylamino-1 et arylamino-3 oxo-2 propylphosphonates selon bischler. Des indolyl-2 et indolyl-3 phosphonates, des indolylmethyl-2 et des indolylmethyl-3 phosphonates diversement substitues et leurs acides phosphoniques correspondants sont decrits. Toutes structures sont analysees par rmn **(1)h, **(31)p et 1**(3)c. L'analogue phosphore de l'intermediaire a aussi ete prepare. L'extention de la reaction de bischler aux aryloxycetones permet d'atteindre de
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Dunne, Colm James Thomas. "The synthesis and chemistry of dialkyl formyl phosphonate." Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301704.

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Ghribi, Abdellaziz. "Utilisation des organocuivreux, associés ou non à un acide de lewis, en synthèse asymétrique et dans la préparation des beta-cétophosphonates." Nancy 1, 1986. http://www.theses.fr/1986NAN10059.

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L'action des organocuprates associés à BF::(3) sur des acétals chiraux constitue une voie très originale de synthèse des alcools secondaires optiquement actifs. Les dianons des acides diethylphono 2 alcoiques réagissent avec les aldéhydes par réaction de wittig-horner et conduisent très stéréosélectivement aux acides alpha éthyléniques trisubstitués. L'action des organocuprates sur les chlorures d'acide diethylphosphono-2 alcanoïques, constitue une voie de synthèse très générale des beta cétiogisogibates alpha substitués
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Attolini, Mireille. "Préparation de 3-acétoxy cycloalcen-1-yl phosphonates de dialkyle par acétoxylation catalysée par les sels de palladium. Synthèse enantiosélective par voie biocatalytique." Aix-Marseille 3, 2000. http://www.theses.fr/2000AIX30022.

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De nouveaux acetoxy cycloalcenyl phosphonates ont ete synthetises selon une reaction d'acetoxylation de cycloalcen-2-yl phosphonates de dialkyle catalysee par le palladium dans son degre d'oxydation ii, en presence de nitrite d'isoamyle et sous atmosphere d'oxygene. Les resultats obtenus ont mis en evidence l'importance de la taille du cycle porte par l'atome de phosphore et nous ont permis de proposer un mecanisme base sur la presence du couple redox nitro/nitroso. La synthese enantioselective de ces composes a ensuite ete abordee selon differents aspects. Nous avons tout d'abord montre que l
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Book chapters on the topic "Dialkyl phosphonates"

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Bowen, S. M., R. T. Paine, and Louis Kaplan. "Dialkyl [(N,N -Diethylcarbamoyl)Methyl]Phosphonates." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132555.ch33.

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Heydt, H. "Acylation of Dialkyl Phosphonates." In Three Carbon-Heteroatom Bonds: Ketenes and Derivatives. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-024-00470.

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McKenna, C. E., B. A. Kashemirov, and K. M. Błażewska. "Direct Sulfurization of Dialkyl -Phosphonates." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-01050.

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Drabowicz, J., P. Kiełbasiński, P. Łyżwa, M. Mikołajczyk, and A. Zając. "Dealkylation of Dialkyl Phosphonates with Sodium Iodide." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-00833.

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Drabowicz, J., P. Kiełbasiński, P. Łyżwa, M. Mikołajczyk, and A. Zając. "Dealkylation of Dialkyl Phosphonates with Sodium Azide." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-00834.

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McKenna, C. E., B. A. Kashemirov, and K. M. Błażewska. "Oxidation of ,-Dialkyl Phosphonates with Potassium Selenocyanate." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-01082.

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McKenna, C. E., B. A. Kashemirov, and K. M. Błażewska. "Oxidation of ,-Dialkyl -Phosphonates with Triphenylphosphine Selenide." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-01083.

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McKenna, C. E., B. A. Kashemirov, and K. M. Błażewska. "Oxidation of ,-Dialkyl -Phosphonates with 3-(Phthalimidoselanyl)propanenitrile." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-01085.

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Gaumont, A. C., and M. Gulea. "Metal-Catalyzed Reaction of Dialkyl Phosphonates and Vinyl Halides." In Ene-X Compounds (X=S, Se, Te, N, P). Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-033-00738.

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McKenna, C. E., B. A. Kashemirov, and K. M. Błażewska. "Oxidation of ,-Dialkyl -Phosphonates with 3-1,2-Benzothiaselenol-3-one." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-01084.

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