Relevant bibliographies by topics / Hypophosphoreux, Acide

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Hypophosphoreux, Acide'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Hypophosphoreux, Acide"

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Guo, Ai Hong, Fu Sheng Wang, and Bao Gui Zhang. "Electrodialytic Production of Hypophosphorous Acid with Six-Compartment Electrolytic Cell and Ti-PbO2 Anode." Advanced Materials Research 96 (January 2010): 67–70. http://dx.doi.org/10.4028/www.scientific.net/amr.96.67.

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The hypophosphorous acid was achieved with the electrodialysis, which comprises a Ti-PbO2 anode, a stainless steel cathode and an aqueous solution of sodium hypophosphite. The process of producing hypophosphorous acid was studied. Some factors, such as anodic voltage, product concentration and current efficiency were conducted. The results showed that, six-compartment electrodialytic cell could be used to improve the hypophosphorous acid content and purity. The Ti-PbO2 electrode was optimal anode material to cut down the cost of production. The process was simple, low cost and high efficient,
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Du, Yi, Bradley Wooler, Chris Kliewer, Sabato Miseo, and Stuart Soled. "Unexpected sintering of small supported Ni2P under real feed conditions." Catalysis Science & Technology 10, no. 5 (2020): 1224–27. http://dx.doi.org/10.1039/c9cy02284h.

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Cui, Guofeng, Shaofang Liu, Kaiming Wang, Qing Li, and Gang Wu. "Discovering p-doped mechanism in non-magnetic Ni–P films for HDD substrate: a combined experimental and theoretical study." RSC Adv. 4, no. 28 (2014): 14663–72. http://dx.doi.org/10.1039/c3ra47217e.

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Guo, Ai Hong, Xue Jiao Tang, and Bao Gui Zhang. "Electrodialysis Production of Hypophosphorous Acid with Ti-PbO2 Anode." Advanced Materials Research 178 (December 2010): 133–36. http://dx.doi.org/10.4028/www.scientific.net/amr.178.133.

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It is a method of preparing hypophosphorous acid with electrodialysis. It comprises Ti-PbO2 anode, an insoluble cathode and an aqueous solution of hypophosphite anions in six-compartment electrolytic cell. The direct current, through the insoluble anode to cathode in electrical contact with the aqueous solution to generate H+, forms hypophosphorous acid solution. In this paper, the best term of different factors about the experiment was studied. The best condition was to keep the NaH2PO2 concentration between 300 and 500g/L, current value 3.0A, reaction time 12-18 h. The process is simple, low
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Li, Wenzhe, Jiangwei Li, Jiaoli Li, Jiandong Fan, Yaohua Mai, and Liduo Wang. "Addictive-assisted construction of all-inorganic CsSnIBr2mesoscopic perovskite solar cells with superior thermal stability up to 473 K." Journal of Materials Chemistry A 4, no. 43 (2016): 17104–10. http://dx.doi.org/10.1039/c6ta08332c.

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El-Shatoury, Salah A. "Polarographic Studies on Selenite Ions in Aqueous Hypophosphorous Acid Solutions." Collection of Czechoslovak Chemical Communications 61, no. 7 (1996): 992–98. http://dx.doi.org/10.1135/cccc19960992.

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The polarographic behaviour and determination of Se(IV) in hypophosphorous acid solutions of concentrations varying from 0.05 mol l-1 to 4.0 mol l-1 at 25 ± 0.1 °C were investigated. It was shown that the reduction of 5 . 10-4 mol l-1 Se(IV) at the DME takes place in two waves independent on the acid concentration. The reduction waves correspond to the transfer of 6 electrons. A mechanism of the reduction at the DME has been suggested. A method for the analytical determination of Se(IV) species in 0.1 mol l-1 and 0.05 mol l-1 hypophosphorous acid in absence and in presence of 3 . 10-6 mol l-1
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Gelat, Fabien, Maxime Roger, Christophe Penverne, Ahmed Mazzad, Christian Rolando, and Laëtitia Chausset-Boissarie. "UV-mediated hydrophosphinylation of unactivated alkenes with phosphinates under batch and flow conditions." RSC Advances 8, no. 15 (2018): 8385–92. http://dx.doi.org/10.1039/c7ra12977g.

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In this study, we report an efficient UV-mediated hydrophosphinylation of unactivated alkenes with H-phosphinates and hypophosphorous acid under radical free conditions in batch and in continuous flow.
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Yang Ye, 杨晔, 杨小丽 Yang Xiaoli, 何丽红 He Lihong, 高九林 Gao Jiulin, 连亚军 Lian Yajun та 杨晓晖 Yang Xiaohui. "次磷酸增强的准二维钙钛矿天蓝色发光器件". Acta Optica Sinica 41, № 17 (2021): 1716001. http://dx.doi.org/10.3788/aos202141.1716001.

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Perin, G., M. B. Silveira, A. M. Barcellos, R. G. Jacob, and D. Alves. "Polyethylene glycol-400/H3PO2: an eco-friendly reductive system for the synthesis of selanylesters." Organic Chemistry Frontiers 2, no. 11 (2015): 1531–35. http://dx.doi.org/10.1039/c5qo00256g.

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An alternative green method was described for the synthesis of selanylesters by reactions of acyl chlorides with arylselenols, generated in situ by reaction of diaryl diselenides with hypophosphorous acid (H<sub>3</sub>PO<sub>2</sub>) using polyethylene glycol-400 (PEG-400) as the solvent.
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Bravo-Altamirano, Karla, and Jean-Luc Montchamp. "A novel approach to phosphonic acids from hypophosphorous acid." Tetrahedron Letters 48, no. 33 (2007): 5755–59. http://dx.doi.org/10.1016/j.tetlet.2007.06.090.

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Dissertations / Theses on the topic "Hypophosphoreux, Acide"

1

Guyon, Carole. "Développement de nouveaux systèmes réducteurs utilisant des hypophosphites ou des hydrures de calcium : application à la réduction de cétones ainsi qu’aux réactions d’amination et d’alkylation réductrice." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10181/document.

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Les hydrures de bore et d'aluminium sont très utilisés en chimie organique permettant des réductions hautement chimiosélectives de substrats polyfonctionnels complexes. Les systèmes réducteurs développés jusqu'à nos jours restent incapables d'égaler certaines de ces chimiosélectivités à des coûts compétitifs. L'utilisation des hydrures de bore et d'aluminium pose des problèmes de sécurité, d'environnement et de santé. Leurs réactions génèrent une quantité importante de déchets potentiellement toxiques. Le développement d'alternatives aux hydrures de bore et d'aluminium est donc un enjeu enviro
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Nguyen, Van Tai. "Nouvelles réactions radicalaires des composés thiocarbonyles avec les dérivés du phosphore et les trialkylboranes." Paris 11, 2006. http://www.theses.fr/2006PA112001.

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Au cours de cette thèse, nous nous sommes intéressés au développement de nouvelles réactions radicalaires en synthèse organique. Nous avons tout d'abord appliqué, avec succès, une méthode de réduction de s-alkylxanthates en utilisant soit le diéthylphosphite soit l'acide hypophosphoreux comme donneur d'hydrogène. L'arrachement d'hydrogène du diéthylphosphite est suffisamment lent pourréaliser la séquence addition-réduction d'un xanthate alpha-acylé sur une oléfine de façon "one-pot". Nous avons ensuite utilisé les trialkylboranes, en particulier le triéthylborane, en présence d'oxygène comme i
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3

Dixon, Jay Anthony. "Hypophosphorous acid as a precursor to various organophosphorus compounds." Thesis, Manchester Metropolitan University, 2016. http://e-space.mmu.ac.uk/608778/.

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The work presented in this thesis is based on the common theme, of the use of hypophosphorous acid as a starting material for the synthesis of functionalised organophosphorus compounds. Hypophosphorous acid and its salts have gained attention as potentially greener precursors, than PCl3, to a range of organophosphorus compounds. An investigation into an alternative synthesis of perfluoroalkylphosphorus(V) compounds is presented. The reaction of hypophosphorous acid derived bis(trimethylsilyl)phosphonite [(Me3SiO)2PH] (BTSP) and bis(trimethylsilyl)- phenylphosphonite [(Me3SiO)2PPh] (BTSPP) with
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Tripoli, Regis. "A green route to oxindole alkaloids : a new approach to horsfiline." Thesis, University of Strathclyde, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.273443.

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Book chapters on the topic "Hypophosphoreux, Acide"

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Visa, Aurelia, Bianca Maranescu, and Gheorghe Ilia. "Hypophosphorous Acid and Its Salts as Reagents in Organophosphorus Chemistry." In Chemistry Beyond Chlorine. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30073-3_4.

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2

"hypophosphorous acid." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_82169.

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Comasseto, J. V., and A. S. Guarezemini. "With Hypophosphorous Acid." In Sulfur, Selenium, and Tellurium. Georg Thieme Verlag KG, 2008. http://dx.doi.org/10.1055/sos-sd-039-01213.

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Drabowicz, J., J. Lewkowski, C. V. Stevens, D. Krasowska, and R. Karpowicz. "Alkylation of Hypophosphorous Acid Salts." In Organophosphorus Compounds (incl. RO-P and RN-P). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-042-00689.

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Troev, Kolio D. "Reactivity of P–H Group of Hypophosphorous Acid and Its Derivatives." In Reactivity of P-H Group of Phosphorus Based Compounds. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-813834-2.00004-4.

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"The Use of Hypophosphorous Acid in Radical Chain Deoxygenation of Carbohydrates." In Carbohydrate Chemistry. CRC Press, 2016. http://dx.doi.org/10.1201/b11261-11.

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Barton, Derek H. R., Doo Ok Jang, and Joseph Cs Jaszberenyi. "The Invention of Radical Reactions.: 32. Radical Deoxygenations, Dehalogenations, and Deaminations with Dialkyl Phosphites and Hypophosphorous Acid as Hydrogen Sources." In World Scientific Series in 20th Century Chemistry. WORLD SCIENTIFIC / IMPERIAL COLLEGE PRESS, 1996. http://dx.doi.org/10.1142/9789812795984_0094.

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8

Taber, Douglass F. "Reduction of Organic Functional Groups." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0011.

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Cornelis J. Elsevier of the University of Amsterdam developed (ACS Catal. 2014, 4, 1349) an improved Pd-based protocol for the hydrogenation of an alkyne 1 to the Z-alkene 2. Yongbo Zhou and Shuang-Feng Yin of Hunan University showed (Adv. Synth. Catal. 2014, 356, 765) that under Cu catalysis, hypophosphorous acid selec­tively reduced the terminal alkyne of 3 to the ene-yne 4. Hidefumi Makabe of Shinshu University found (Tetrahedron Lett. 2014, 55, 2822) that the iodoalkyne 5 was reduced to the iodoalkene 6 by diimide, conveniently generated from the arenesulfo­nyl hydrazide. Manat Pohmakotr of Mahidol University used (Eur. J. Org. Chem. 2014, 1708) P- 2 Ni to reduce the sulfoxide 7 to the alkene 8. Shinya Furakawa and Takayuki Komatsu of the Tokyo Institute of Technology devised (ACS Catal. 2014, 4, 1441) a Pd catalyst for the selective reduction of the nitro group of 9 to the aniline 10. Hiroshi Kominami of Kinki University employed (Chem. Commun. 2014, 50, 4558) a Ti- promoted Ag catalyst to deoxygenate the epoxide 11 to the alkene 12. Benjamin R. Buckley and K. G. Upul Wijayantha of Loughborough University described (Synlett 2014, 25, 197) an alternative protocol (not illustrated) for epoxide deoxygenation. Xiaohui Fan of Lanzhou Jiaotong University observed (Eur. J. Org. Chem. 2014, 498) that the reduction of 13 to 14 proceeded without cyclopropane opening, sug­gesting the reaction did not involve substantial charge separation. Michel R. Gagné of the University of North Carolina deployed (Angew. Chem. Int. Ed. 2014, 53, 1646) cat­alytic trispentafluorophenylborane to selectively reduce 15 to 16. Gojko Lalic of the University of Washington reduced (Angew. Chem. Int. Ed. 2014, 53, 752) a secondary iodide 17 to the hydrocarbon 18 under Cu catalysis. Primary bromides and triflates could also be reduced, while many other functional groups, including tosylates, were stable. Marc Lemaire of the Université Claude-Bernard Lyon 1 converted (Tetrahedron Lett. 2014, 55, 23) the nitrile 19 to the aldehyde 20 by V-catalyzed reduction followed by hydrolysis. Matthias Beller of the Universität Rostock showed (Chem. Eur. J. 2014, 20, 4227) that a nitrile 21 could be reduced to the amine 22 with very little by- product dimer.
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Conference papers on the topic "Hypophosphoreux, Acide"

1

Fusheng, Niu, and Guo Aihong. "Electrodialysis Production of Hypophosphorous Acid." In 2010 International Conference on Challenges in Environmental Science and Computer Engineering. IEEE, 2010. http://dx.doi.org/10.1109/cesce.2010.42.

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