Littérature scientifique sur le sujet « Acide oxamique »
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Articles de revues sur le sujet "Acide oxamique"
Teer, J. E., D. J. Leak, A. W. L. Dudeney, A. Narayanan et D. C. Stuckey. « The treatment of iron oxalate leach liquors in a UASB with sulfate reduction ». Water Science and Technology 36, no 6-7 (1 septembre 1997) : 383–90. http://dx.doi.org/10.2166/wst.1997.0614.
Texte intégralTemeriusz, Andrzej, Magdalena Rowińska, Katarzyna Paradowska et Iwona Wawer. « Synthesis and solid state 13C and 1H NMR analysis of new oxamide derivatives of methyl 2-amino-2-deoxy-α-d-glucopyranoside and ester of amino acids or dipeptides ». Carbohydrate Research 338, no 2 (janvier 2003) : 183–88. http://dx.doi.org/10.1016/s0008-6215(02)00409-3.
Texte intégralDanazumi, Ammar Usman, et Emmanuel Oluwadare Balogun. « Microsecond-long simulation reveals the molecular mechanism for the dual inhibition of falcipain-2 and falcipain-3 by antimalarial lead compounds ». Frontiers in Molecular Biosciences 9 (19 décembre 2022). http://dx.doi.org/10.3389/fmolb.2022.1070080.
Texte intégralThèses sur le sujet "Acide oxamique"
Jaussaud, Quentin. « Génération in situ d’isocyanates par décarboxylation d’acides oxamiques pour l’élaboration de matériaux polyuréthanes ». Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0139.
Texte intégralThis PhD work focus on the synthesis of polyurethanes through the in situ generation of isocyanates, using pathways with lower toxicity compared to the classical approach involving the direct use of isocyanates. The oxidative decarboxylation of oxamic acids leading to the formation of isocyanates was, first, carried out by thermal activation using a hypervalent iodine as an oxidant. A kinetic study on model reactions in the presence of alcohol, combined with computational modeling, notably revealed a catalytic effect of acetic acid, a by-product of the reaction, on the formation of urethane bonds. The CO2 generated by this reaction, leading to the formation of isocyanates, was then exploited for the synthesis of cross-linked polyurethane foams. The effects of various parameters, such as the nature of the monomers or the reaction temperature, on the morphology and properties of the obtained foams were thereafter studied. This activation reaction of oxamic acids was then carried out by light irradiation in the presence of a photocatalyst, allowing the production of polyurethane films. Modifying the components of the reaction mixture enabled the development of homogeneous formulations, particularly by changing the nature of the hypervalent iodine used. Finally, the synthesis of urethanes and polyurethanes from 1,4,2-dioxazol-5-ones was explored. After optimizing the catalytic conditions for generating isocyanates through the opening of these heterocycles, the generated CO2 was exploited for the production of polyurethane foams
Hu, Hui-ling, et 胡慧玲. « Synthesis and Structures of Silver (I) Complexes Contaning N,N''-di(2-pyridyl)oxamide and N-pyridin-2-yl-oxalamic acid Ligand ». Thesis, 2003. http://ndltd.ncl.edu.tw/handle/63469639730897543493.
Texte intégral中原大學
化學研究所
91
ABSTRACT This thesis discusses the supramolecular chemistry of silver (Ⅰ) complexes containing polydentate nitrogeneous ligands. A series of silver (Ⅰ) complexes of the types {[Ag2(H2DpyO)2(pyOa)](BF4)} �V, 1 , {[Ag2(H2DpyO)2(pyOa)](ClO4)} �V, 2 , {[Ag2(H2DpyO)2(pyOa)](PF6)} �V, 3 and {[Ag2(H2DpyO)2(pyOa)(NO3)]} �V, 4 , have been prepared by reaction of AgX ( X = BF4-, ClO4-, PF6-, NO3-) with H2DpyO ( H2DpyO = N,N'-di(2-pyridyl)oxamide ) in EtOH / H2O , where pyOa is anion of N-pyridin-2-yl-oxalamic acid . The H2DpyO ligand in 1~4 are coordinated to the silver (Ⅰ) centers through two terminal pyridine nitrogen atoms, while the pyOa ligands are coordinated to silver (Ⅰ) centers through two oxygen atoms and the pyridine nitrogen atoms , forming ladder -type structures . The anions , BF4- , ClO4- and PF6- are not coordinated to the silver (Ⅰ) atoms in complexes 1~3. The ladders are interlinked to each other through a series of Ag…O , Ag…F interactions and Cpy-H…F-B , Cpy-H…O-Cl , Cpy-H…F-P hydrogen bondings , while the molecules are interlinked to each other through Cpy-H…O-N hydrogen bondings in complex 4.
Chapitres de livres sur le sujet "Acide oxamique"
Pardasani, R. T., et P. Pardasani. « Magnetic properties of nickel(II)complex with oxamide-N,N′-diacetic acid ». Dans Magnetic Properties of Paramagnetic Compounds, 703–4. Berlin, Heidelberg : Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54234-7_429.
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