Relevant bibliographies by topics / 5-alkoxy- and aryloxymethyl-5-(2-thienyl) hydantoins

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic '5-alkoxy- and aryloxymethyl-5-(2-thienyl) hydantoins'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 February 2022

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Journal articles on the topic "5-alkoxy- and aryloxymethyl-5-(2-thienyl) hydantoins"

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Martínez-Gómez, Ana Isabel, Sergio Martínez-Rodríguez, Josefa María Clemente-Jiménez, Joaquín Pozo-Dengra, Felipe Rodríguez-Vico, and Francisco Javier Las Heras-Vázquez. "Recombinant Polycistronic Structure of Hydantoinase Process Genes in Escherichia coli for the Production of Optically Pure d-Amino Acids." Applied and Environmental Microbiology 73, no. 5 (2007): 1525–31. http://dx.doi.org/10.1128/aem.02365-06.

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ABSTRACT Two recombinant reaction systems for the production of optically pure d-amino acids from different d,l-5-monosubstituted hydantoins were constructed. Each system contained three enzymes, two of which were d-hydantoinase and d-carbamoylase from Agrobacterium tumefaciens BQL9. The third enzyme was hydantoin racemase 1 for the first system and hydantoin racemase 2 for the second system, both from A. tumefaciens C58. Each system was formed by using a recombinant Escherichia coli strain with one plasmid harboring three genes coexpressed with one promoter in a polycistronic structure. The d
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2

Keiko, N. A., T. A. Kuznetsova, N. V. Vchislo, Yu A. Chuvashev, L. I. Larina, and M. G. Voronkov. "Synthesis of new 5-substituted hydantoins from 2-alkoxy-1-cyano-1-trimethylsiloxypropenes." Russian Journal of General Chemistry 77, no. 12 (2007): 2145–49. http://dx.doi.org/10.1134/s1070363207120122.

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Ahmad, Roshan, Rukhsana Jabeen, Mohammad Zia-ul-Haq, Humaira Nadeem, Helmut Duddeck, and Eugen J. Verspohl. "Chiral Aryl Sulfonyl Hydantoins as Hypoglycemic Agents." Zeitschrift für Naturforschung B 55, no. 2 (2000): 203–7. http://dx.doi.org/10.1515/znb-2000-0212.

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Some novel chiral sulfonyl hydantoin derivatives 2a-e and 3 a-e have been prepared. p-Toluenesulfonyl chloride on treatment with L-amino acids in presence of K2CO3/H2O yielded N-(p-toluensulfonyl-)amino acids 1a - e which were cyclized in presence of NH4-SCN Ac2O to afford 1-(p-toluenesulfonyl)-5-substituted-2-thiohydantoins 2a-e. These compounds were oxidized with HNO3 to yield 1-(p-toluenesulfonyl)-5-substituted hydantoins 3a-e. The enantiomeric ratios of 3a-e were determined by 1H NMR spectroscopy using Eu(hfc)3. The antidiabetic activity of 3a-d has been determined.
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Chowdhry, Mubarik M., D. Michael P. Mingos, Andrew J. P. White, and David J. Williams. "Syntheses and characterization of 5-substituted hydantoins and thiazolines—implications for crystal engineering of hydrogen bonded assemblies. Crystal structures † of 5-(2-pyridylmethylene)hydantoin, 5-(2-pyridylmethylene)-2-thiohydantoin, 5-(2-pyridylmethylene)thiazolidine-2,4-dione, 5-(2-pyridylmethylene)rhodanine and 5-(2-pyridylmethylene)pseudothiohydantoin †." Journal of the Chemical Society, Perkin Transactions 1, no. 20 (2000): 3495–504. http://dx.doi.org/10.1039/b004312p.

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Chowdhry, Mubarik, D. Michael P. Mingos, Andrew J. P. White, and David J. Williams. "ChemInform Abstract: Syntheses and Characterization of 5-Substituted Hydantoins and Thiazolines - Implications for Crystal Engineering of Hydrogen Bonded Assemblies. Crystal Structures of 5-(2-Pyridylmethylene)-hydantoin, 5-(2-Pyridylmethylene)-2-thiohyda." ChemInform 32, no. 9 (2001): no. http://dx.doi.org/10.1002/chin.200109017.

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Kaválek, Jaromír, Vladimír Macháček, Gabriela Svobodová, and Vojeslav Štěrba. "Base catalyzed cyclization of substituted esters of hydantoic and thiohydantoic acids." Collection of Czechoslovak Chemical Communications 51, no. 2 (1986): 375–90. http://dx.doi.org/10.1135/cccc19860375.

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Base catalyzed cyclization rates have been measured of 22 derivatives of hydantoic and thiohydantoic acid esters in water and methanol. The cyclization of methyl and ethyl esters of hydantoic and 5-methylhydantoic acids is accompanied by hydrolysis of the ester group, whereas with the other derivatives the hydrolysis does not take place. Hydrolysis of the cyclization products (hydantoin and thiohydantoin derivatives) is not significant under the kinetic conditions. The cyclization of methyl ester of 5-phenylhydantoic acid in methanol is reversible; the equilibrium mixture contains 30% of the s
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Bolla, Ratna Sekhar, Narasimha Murthy Gandikota та Ivaturi Venkata Kasi Viswanath. "Synthesis of Deuterium Labeled 5, 5-Dimethyl-3-(α, α, α-trifluoro-4-nitro-m-tolyl) Hydantoin". Current Radiopharmaceuticals 12, № 1 (2019): 82–87. http://dx.doi.org/10.2174/1874471012666181130162731.

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Objective: Stable and non-radioactive isotope labeled compounds gained significance in recent drug discovery and other various applications such as bio-analytical studies. The modern bioanalytical techniques can study the adverse therapeutic effects of drugs by comparing isotopically labeled internal standards. A well-designed labeled compound can provide high-quality information about the identity and quantification of drug-related compounds in biological samples. This information can be very useful at key decision points in drug development. In this study, we tried to synthesize Nilutamide-
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Macháček, Vladimír, Gabriela Svobodová, and Vojeslav Štěrba. "Kinetics and mechanism of base-catalyzed cyclization of substituted amides and nitriles of hydantoic acid." Collection of Czechoslovak Chemical Communications 52, no. 1 (1987): 140–55. http://dx.doi.org/10.1135/cccc19870140.

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Rates of base-catalyzed cyclizations of 8 substituted derivatives of hydantoic acid amide type R3-NH(5)-CO(4)-NR2(3)-CH2(2)-CO(1)-NHR1 and 9 nitriles type R3-NH(5)-CO(4)-NR2(3)-CHR1(2)-CN have been measured in aqueous and methanolic media. The cyclization of the amides in aqueous medium is also accompanied by hydrolysis of the hydantoins formed. In some cases the hydrolysis rate constant is greater than the corresponding cyclization reaction rate constant. With the least reactive amides, the cyclization is also accompanied by hydrolysis of the amide group. The rate of the cyclization reactions
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Theodore, Cynthia E., S. Naveen, S. B. Benaka Prasad, M. Madaiah, C. S. Ananda Kumar, and N. K. Lokanath. "Crystal structure of 1′-(2-methylpropyl)-2,3-dihydrospiro[1-benzothiopyran-4,4′-imidazolidine]-2′,5′-dione." Acta Crystallographica Section E Structure Reports Online 70, no. 9 (2014): o1043—o1044. http://dx.doi.org/10.1107/s1600536814018030.

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In the title compound, C15H18N2O2S, the 2,3-dihydro-1-benzothiopyran ring adopts a sofa conformation and the hydantoin ring is twisted with respect to the benzene ring at 78.73 (17)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into inversion dimers.
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Kieć-Kononowicz, K., and E. Szymańska. "Antimycobacterial activity of 5-arylidene derivatives of hydantoin." Il Farmaco 57, no. 11 (2002): 909–16. http://dx.doi.org/10.1016/s0014-827x(02)01292-2.

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Dissertations / Theses on the topic "5-alkoxy- and aryloxymethyl-5-(2-thienyl) hydantoins"

1

Negi, Shailendra. "Part 1: 5-substituted hydantoins by new preparative methods ; Part 2: synthesis and chemistry of unsaturated hydantoins /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487940308430775.

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Courvoisier, Laurent. "Polymorphisme et cristallisation préférentielle : applications aux dérivés(+-)5-méthyl-5-aryl-imidazolidine 2,4-dione et au (+-)(2-(diphénylméthyl)sulfinyl)acétamide." Rouen, 2003. http://www.theses.fr/2003ROUES020.

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Le dédoublement par cristallisation préférentielle de dérivés 5-méthyl-5-aryl-imidazolidine-2,4-dione a été réalisé selon deux procédés AS3PC (Auto-Seeded Programmed Polythermic Preferential crystallization) à une échelle de 2L et 10 L. Le suivi de l'évolution de la population de particules pendant la cristallisation permet de conclure que l'effet d'entraînement n'est pas le fait d'un mécanisme unique. L'effet du polymorphisme a été étudié sur les deux procédés. Cinq nouvelles formes polymorphiques et quatre solvates du(+ -)(2-(diphénylméthyl)sulfinyl)-N-acétamide ont été préparés et caractéri
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3

Ba, Lalla Aïcha. "Nouvelle approche vers la synthèse de l'acide 5-(-2-oxo-2,3-dihydro-1H-thiéno[3,4-d]imidazol-4-yl) pentanoïque (la tétradéhydrobiotine)." Thesis, Metz, 2007. http://www.theses.fr/2007METZ045S/document.

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La biotine ou vitamine H est un coenzyme impliqué dans les processus de transfert de dioxyde de carbone sur diverses molécules naturelles. Sa très grande affinité avec l'avidine ou la streptavidine est couramment exploitée dans le cadre de différentes méthodes d'analyse biochimiques telles que la purification et la détection de protéines. Cependant cette affinité très élevée peut aussi constituer un inconvénient suivant l'utilisation recherchée car la rupture de l'interaction avidine-biotine-protéine d'intérêt implique des conditions de dénaturation drastiques peu compatibles avec l'obtention
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Le, Bihan Yann-VaÏ. "Etude structurale et fonctionnelle de la reconnaissance et de la métabolisation de lésions puriques et pyrimidiques dans l'ADN par la Formamidopyrimidine-ADN glycosylase." Phd thesis, Université d'Orléans, 2009. http://tel.archives-ouvertes.fr/tel-00488816.

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Les oxydations sur les bases nucléiques constituent l'une des sources principale d'apparition de lésions sur l'ADN, qui peuvent être mutagènes ou létales pour les cellules en l'absence de réparation de l'ADN. La Formamidopyrimidine-ADN glycosylase (Fpg), une enzyme procaryote du système de réparation de l'ADN par excision de base (BER), initie la réparation d'un large panel de lésions de ce type via ses activités ADN glycosylase (excision de la base oxydée) et AP lyase (clivage du site abasique par ß,d-élimination). Nous avons réalisé des études fonctionnelles par des techniques biochimiques e
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Le, Bihan Yann-Vaï. "Étude structurale et fonctionnelle de la reconnaissance et de la métabolisation de lésions puriques et pyrimidiques dans l'ADN par la Formamidopyrimidine-ADN glycosylase." Phd thesis, Université d'Orléans, 2009. http://tel.archives-ouvertes.fr/tel-00504364.

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Les oxydations sur les bases nucléiques constituent l'une des sources principale d'apparition de lésions sur l'ADN, qui peuvent être mutagènes ou létales pour les cellules en l'absence de réparation de l'ADN. La Formamidopyrimidine-ADN glycosylase (Fpg), une enzyme procaryote du système de réparation de l'ADN par excision de base (BER), initie la réparation d'un large panel de lésions de ce type via ses activités ADN glycosylase (excision de la base oxydée) et AP lyase (clivage du site abasique par β,δ-élimination). Nous avons réalisé des études fonctionnelles par des techniques biochimiques e
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