Academic literature on the topic 'Hydroxynicotinic'

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Journal articles on the topic "Hydroxynicotinic"

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Hoveyda, H. R., Veranja Karunaratne, Christopher J. Nichols, Steven J. Rettig, Ashley KW Stephens, and Chris Orvig. "Tripodal trisamides based on nicotinic and picolinic acid derivatives." Canadian Journal of Chemistry 76, no. 4 (1998): 414–25. http://dx.doi.org/10.1139/v98-030.

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A number of polydentate arylamide ligands have been prepared by coupling various acyclic tripodal or linear polyamines with derivatives of nicotinic and picolinic acids. Two synthetic procedures were utilized; tris{[(2-hydroxynicotinyl)carbonyl]-2-aminoethyl}amine (H3NICTREN) was prepared by Method A, the HOSu/DCC method, and the other arylamides in this study were prepared by Method B, the CDI method. Method A involved the reaction of N-hydroxysuccinimide with 2-hydroxynicotinic acid (in the presence of dicyclohexylcarbodiimide (DCC) as a dehydrative coupling reagent) to form the succinimide
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Santos, Rui C., Rita M. B. B. M. Figueira, M. Fátima M. Piedade, Hermínio P. Diogo, and Manuel E. Minas da Piedade. "Energetics and Structure of Hydroxynicotinic Acids. Crystal Structures of 2-, 4-, 6-Hydroxynicotinic and 5-Chloro-6-hydroxynicotinic Acids." Journal of Physical Chemistry B 113, no. 43 (2009): 14291–309. http://dx.doi.org/10.1021/jp906908n.

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Gero, Thomas W., Larry W. Jaques, Richard P. Mays, Debra H. Reid, Dwight A. Shamblee, and Young S. Lo. "Halogenation of 2-Hydroxynicotinic Acid." Synthetic Communications 19, no. 3-4 (1989): 553–59. http://dx.doi.org/10.1080/00397918908050699.

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Gao, Hong Tao. "Synthesis and Structure Characterization of some Triorganotin Esters of Heteroaromatic Carboxlic Acid and Crystal Structure of Triphenyltin Esters 5-Chloro-6-Hydroxynicotinic Acid." Advanced Materials Research 466-467 (February 2012): 463–68. http://dx.doi.org/10.4028/www.scientific.net/amr.466-467.463.

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Reactions of (R3Sn)2O (R=Ph, 2-ClC6H4CH2, 2-FC6H4CH2, 4-CNC6H4CH2) with 5-chloro-6-hydroxynicotinic acid in 1/2 stoichiometry yielded eight triorganotin compounds. These compounds have been characterized by elemental analysis, IR and NMR spectroscopy. The crystal structures of triphenyltin esters of 5-chloro-6-hydroxynicotinic acid were determined by single crystal X-ray diffraction. In the compound, the tin atoms are rendered five-coordinated in a trigonal bipyramidal structure by coordinating though the three phenyl carbon atoms and two oxygen atoms one from carboxylate and other from the ph
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Long, Sihui, Mingtao Zhang, Panpan Zhou, Faquan Yu, Sean Parkin, and Tonglei Li. "Tautomeric Polymorphism of 4-Hydroxynicotinic Acid." Crystal Growth & Design 16, no. 5 (2016): 2573–80. http://dx.doi.org/10.1021/acs.cgd.5b01639.

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Joseph, Abhinav, Joana S. Rodrigues Alves, Carlos E. S. Bernardes, M. Fátima M. Piedade, and Manuel E. Minas da Piedade. "Tautomer selection through solvate formation: the case of 5-hydroxynicotinic acid." CrystEngComm 21, no. 13 (2019): 2220–33. http://dx.doi.org/10.1039/c8ce02108b.

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Different 5-hydroxynicotinic acid tautomers were selectively captured through solvate formation. The selectivity is lost once the memory of solvation is erased by removing the solvent from the crystal lattice.
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Mirzaei, Masoud, Hossein Eshtiagh-Hosseini, Mahboubeh Alipour, et al. "Hydrothermal synthesis, X-ray structure and DFT and magnetic studies of a (H2SiW12O40)2− based one-dimensional linear coordination polymer." Dalton Transactions 44, no. 19 (2015): 8824–32. http://dx.doi.org/10.1039/c4dt03950e.

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In this paper, we report the synthesis and characterization of a novel POM-based inorganic–organic hybrid with an in situ transformation of pyridine-2,3-dicarboxylic acid into nicotinic acid and 2-hydroxynicotinic acid under hydrothermal conditions.
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Poersch-Bortolon, Liane Balvedi, Sandra Maria Mansur Scagliusi, Elene Yamazaki-Lau, and Maria Helena Bodanese-Zanettini. "Androgenic response of Brazilian wheat genotypes to different pretreatments of spikes and to a gelling agent." Pesquisa Agropecuária Brasileira 51, no. 11 (2016): 1839–47. http://dx.doi.org/10.1590/s0100-204x2016001100006.

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Abstract The objective of this work was to analyze the androgenic response of Brazilian wheat genotypes to different pretreatments of the spikes, prior to the culture of isolated microspores, and to the effect of a gelling agent in the induction culture medium. Five genotypes were evaluated for embryo formation, green plant regeneration, and spontaneous chromosome duplication. Wheat spikes were subjected to two pretreatments: cold, at 4ºC for 21 days; and 2-hydroxynicotinic acid, at 32ºC for two days. Culture media were evaluated with or without Ficoll as a gelling agent. Cold produced more em
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Johnson, Aidan V., M. Fátima M. Piedade, and Catarina V. Esteves. "pH-Dependent Crystallization of 2-, 4-, 5-, and 6-Hydroxynicotinic Acids in Aqueous Media." Crystals 13, no. 7 (2023): 1062. http://dx.doi.org/10.3390/cryst13071062.

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2-, 4-, 5-, and 6-hydroxynicotinic acids were crystallized in a pH-dependent manner using only water as the preferred solvent. The crystallization outcome was quite diverse: individual crystals of different sizes and shapes, microcrystalline powders, crystalline aggregates, and almost amorphous solids. Such a variety of solid forms demonstrates the relevance of pH control during crystallization processes.
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TIBBLES, Peter E., Rudolf MÜLLER, and Franz LINGENS. "Degradation of 5-Chloro-2-hydroxynicotinic Acid byMycobacteriumsp. BA." Biological Chemistry Hoppe-Seyler 370, no. 1 (1989): 601–6. http://dx.doi.org/10.1515/bchm3.1989.370.1.601.

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Dissertations / Theses on the topic "Hydroxynicotinic"

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Di, Marco Valerio B. "Studio della formazione di complessi tra alluminio e molecole di interesse ambientale, biologico e farmaceutico." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3424177.

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In this thesis work, the coordination properties of several ligands with pharmaceutical, biological and toxicological properties towards Al3+ have been studied. The investigated molecules are 3-hydroxy-2-(1H)-pyridinone (HPyr), 2-hydroxyphenylethanone (HPE), 2-hydroxybenzeneacetic acid (HBA), 2-hydroxynicotinic acid (HNic), 3-hydroxypicolinic acid (HPic), and glutamic acid (Glu). The reliability of the speciation data has been considered as one of the primary goals. For this reason, each metal-ligand system has been studied by means of a combination of more analytical techniques, so that inde
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Book chapters on the topic "Hydroxynicotinic"

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Schomburg, D., M. Salzmann, and D. Stephan. "(S)-6-Hydroxynicotine oxidase." In Enzyme Handbook 7. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78521-4_26.

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Schomburg, D., M. Salzmann, and D. Stephan. "(R)-6-Hydroxynicotine oxidase." In Enzyme Handbook 7. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-78521-4_27.

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