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Relevant bibliographies by topics / Pyridine phosphonate

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Journal articles

Academic literature on the topic 'Pyridine phosphonate'

Author: Grafiati

Published: 1 March 2025

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Journal articles on the topic "Pyridine phosphonate"

1

Kolodiazhna, O. O., E. V. Gryshkun, A. O. Kolodiazhna, S. Yu Sheiko, and O. I. Kolodiazhnyi. "Catalytic phosphonylation of C=X electrophiles." Reports of the National Academy of Sciences of Ukraine, no. 12 (December 2020): 75–84. http://dx.doi.org/10.15407/dopovidi2020.12.075.

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A method for the catalytic phosphonylation of C = X electrophiles has been developed. Pyridinium perchlorate is an effective catalyst for the phosphonylation reaction of trialkyl phosphites with various electrophiles C = X (X = O, S, N). The reaction leads to the formation of corresponding α-substituted phosphonates in high yields. The reaction leading to the formation of bisphosphonates represents the highest interest. It was found that the nucleo philic attack of triethyl phosphite on the electron-deficient carbon of the C = X group leads to the formation of beta ine, which reacts with pyrid

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2

Fang, Hua, Mei-Juan Fang, Xiao-Xia Liu, Jing-Jing Lin, and Yu-Fen Zhao. "Dimethyl [phenyl(pyridine-4-carboxamido)methyl]phosphonate." Acta Crystallographica Section E Structure Reports Online 61, no. 2 (2005): o408—o409. http://dx.doi.org/10.1107/s1600536805001492.

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3

Zare, Davood, Alessandro Prescimone, Edwin C. Constable, and Catherine E. Housecroft. "Where Are the tpy Embraces in [Zn{4′-(EtO)2OPC6H4tpy}2][CF3SO3]2?" Crystals 8, no. 12 (2018): 461. http://dx.doi.org/10.3390/cryst8120461.

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In this paper, the bromo- and phosphonate-ester-functionalized complexes [Zn(1)2][CF3SO3]2 and [Zn(2)2][CF3SO3]2 (1 = 4′-(4-bromophenyl)-2,2′:6′,2″-terpyridine, 2 = diethyl (4-([2,2′:6′,2″-terpyridin]-4′-yl)phenyl)phosphonate) are reported. The complexes have been characterized by electrospray mass spectrometry, IR and absorption spectroscopies, and multinuclear NMR spectroscopy. The single-crystal structures of [Zn(1)2][CF3SO3]2.MeCN.1/2Et2O and [Zn(2)2][CF3SO3]2 have been determined and they confirm {Zn(tpy)2}2+ cores (tpy = 2,2′:6′,2″-terpyridine). Ongoing from X = Br to P(O)(OEt)2, the {Zn

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4

Bakhmutov, Vladimir I., Douglas W. Elliott, Gregory P. Wylie, Abraham Clearfield, Aida Contreras-Ramirez, and Hong-Cai Zhou. "Pyridine-d5 as a 2H NMR probe for investigation of macrostructure and pore shapes in a layered Sn(iv) phosphonate–phosphate material." Chemical Communications 56, no. 25 (2020): 3653–56. http://dx.doi.org/10.1039/c9cc09254d.

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Isotropic and anisotropic motions and molecular states of pyridine-d<sub>5</sub>, adsorbed on the surface within the pores of a layered Sn(iv) phosphonate–phosphate material (1) have been characterized thermodynamically and kinetically by solid-state NMR.

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5

Fard, Z. H., Y. Kalinovskyy, D. M. Spasyuk, B. A. Blight, and G. K. H. Shimizu. "Alkaline-earth phosphonate MOFs with reversible hydration-dependent fluorescence." Chemical Communications 52, no. 87 (2016): 12865–68. http://dx.doi.org/10.1039/c6cc06490f.

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A new rigid tritopic phosphonic ligand, 2,4,6-tris(4-phosphonophenyl)pyridine (H6L), was synthesized and used to assemble isostructural barium (1) and strontium (2) phosphonate metal organic frameworks that exhibit fully reversible and selective water-dependent fluorescence red-shift at room temperature.

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6

Zangana, Karzan H., Eufemio Moreno Pineda, and Richard E. P. Winpenny. "Tetrametallic lanthanide(iii) phosphonate cages: synthetic, structural and magnetic studies." Dalton Trans. 43, no. 45 (2014): 17101–7. http://dx.doi.org/10.1039/c4dt02630f.

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7

Lipinski, Radoslaw, Longin Chruscinski, Piotr Mlynarz, Bogdan Boduszek, and Henryk Kozlowski. "Coordination abilities of amino-phosphonate derivatives of pyridine." Inorganica Chimica Acta 322, no. 1-2 (2001): 157–61. http://dx.doi.org/10.1016/s0020-1693(01)00580-1.

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8

Frantz, Richard, Michel Granier, Jean-Olivier Durand, and Gérard F. Lanneau. "Phosphonate derivatives of pyridine grafted onto oxide nanoparticles." Tetrahedron Letters 43, no. 50 (2002): 9115–17. http://dx.doi.org/10.1016/s0040-4039(02)02240-2.

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9

Holý, Antonín, and Ivan Rosenberg. "Synthesis of isomeric and enantiomeric O-phosphonylmethyl derivatives of 9-(2,3-dihydroxypropyl)adenine." Collection of Czechoslovak Chemical Communications 52, no. 11 (1987): 2775–91. http://dx.doi.org/10.1135/cccc19872775.

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Reaction of 9-(S)-(2,3-dihydroxypropyl)adenine (I) with chloromethanephosphonyl chloride (VII) in pyridine or triethyl phosphate, or with chloromethyl(pyridinio)phosphonate (IX) in pyridine, afforded a mixture of 2'-(IV) and 3'-O-chloromethanephosphonate (V) which were separated on anion exchange resin or alkylsilica gel. Treatment of compounds IV and V with aqueous alkaline hydroxide, followed by deionization, gave 9-(S)-(2-hydroxy-3-phosphonylmethoxypropyl)adenine (VI) and 9-(S)-(3-hydroxy-2-phosphonylmethoxypropyl)adenine (III) (HPMPA), respectively. The (R)- and (RS)-forms of III and VI we

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10

Wang, Cheng Jun, Shan Shan Gong, and Qi Sun. "An H-Phosphonate Approach for the Preparation of Purine-Nucleoside Monophosphates." Advanced Materials Research 1023 (August 2014): 51–54. http://dx.doi.org/10.4028/www.scientific.net/amr.1023.51.

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Two purine-nucleoside monophosphates have been prepared from the corresponding nucleoside 5′-H-phosphonate precursors via sequential silylation, oxidation, and hydrolysis reactions in a one-pot manner. Compared to the reaction performed in the presence of pyridine, the hydrolysis of iodophosphate in the absence of pyridine generated nucleoside 5′-monophosphates as the major product. The experimental results indicated that the reaction between the formed nucleoside 5′-monophosphate with the residual iodophosphate intermediate was relatively slow, making the self-condensed dinucleoside diphospha

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