Bibliografías temáticas / Alkylguanidines

Literatura académica sobre el tema "Alkylguanidines"

Autor: Grafiati
Publicado: 14 de marzo de 2023

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Artículos de revistas sobre el tema "Alkylguanidines"

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Schuchardt, Ulf, Rogério Matheus Vargas y Georges Gelbard. "Alkylguanidines as catalysts for the transesterification of rapeseed oil". Journal of Molecular Catalysis A: Chemical 99, n.º 2 (junio de 1995): 65–70. http://dx.doi.org/10.1016/1381-1169(95)00039-9.

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Deli, József, Tamás Lóránd, Dezsö Szabó, András Földesi y Adolf Zschunke. "Synthesis of 2-amino-8-benzylidene-4-phenyl-3,4,5,6,7,8-hexahydro- and -5,6,7,8-tetrahydroquinazoline derivatives". Collection of Czechoslovak Chemical Communications 50, n.º 7 (1985): 1602–10. http://dx.doi.org/10.1135/cccc19851602.

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Base-catalyzed reaction of 2,6-dibenzylidenecyclohexanone and alkylguanidines gave 2-alkylamino-8-benzylidene-4-phenyl-3,4,5,6,7,8-hexahydroquinazolines IVa-c, which were oxidized to 2-alkylamino-8-benzylidene-4-phenyl-5,6,7,8-tetrahydroquinazolines Va-c. The acylamino (VIa-c, VIIa-d, IXa,b) and diacylamino derivatives (VIIIa,b) of the 2-amino-8-benzylidene-4-pheny]-3,4,5,6,7,8-hexahydroquinazoline (II), 2-amino-8-benzylidene-4-phenyl-5,6,7,8-tetrahydroquinazoline (III) and compounds Va-c have also been prepared. These compounds having the E-configuration were converted into the Z isomers XIIa-e by photoisomerization. The structures were confirmed by spectroscopic methods (IR, 1H NMR, 13C NMR).
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3

Hayessen, R., V. M. Mirsky y K. D. Heckmann. "Anion-sensitive properties of alkylguanidines in membrane electrodes and monomolecular layers". Sensors and Actuators B: Chemical 32, n.º 3 (junio de 1996): 215–20. http://dx.doi.org/10.1016/s0925-4005(97)80032-9.

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4

Farley, Jerry M., Stephen M. Vogel y Toshio Narahashi. "Block of single acetylcholine-activated channels in chick myotubes by alkylguanidines". Pfl�gers Archiv European Journal of Physiology 406, n.º 6 (junio de 1986): 629–35. http://dx.doi.org/10.1007/bf00584031.

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Schuchardt, Ulf, Rogério Matheus Vargas y Georges Gelbard. "Transesterification of soybean oil catalyzed by alkylguanidines heterogenized on different substituted polystyrenes". Journal of Molecular Catalysis A: Chemical 109, n.º 1 (junio de 1996): 37–44. http://dx.doi.org/10.1016/1381-1169(96)00014-3.

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6

Zeghida, Walid, Julien Debray, Carine Michel, Anne Milet, Pascal Dumy y Martine Demeunynck. "Synthesis of N-acridinyl-N′-alkylguanidines: Dramatic influence of amine to guanidine replacement on the physicochemical properties". Bioorganic & Medicinal Chemistry Letters 18, n.º 17 (septiembre de 2008): 4779–82. http://dx.doi.org/10.1016/j.bmcl.2008.07.100.

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7

Tin, Ma K. T., Natesan Thirupathi, Glenn P. A. Yap y Darrin S. Richeson. "Guanidinate anions and dianions. Reactions involving alkylguanidines, (RNH)2CNR (R = i-Pr or Cy), and metal amido complexes M(NMe2)5 (M = Ta or Nb)". Journal of the Chemical Society, Dalton Transactions, n.º 17 (1999): 2947–51. http://dx.doi.org/10.1039/a904072b.

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GUAN, Feng, Hong ZHONG, Guang-yi LIU, Sheng-gui ZHAO y Liu-yin XIA. "Flotation of aluminosilicate minerals using alkylguanidine collectors". Transactions of Nonferrous Metals Society of China 19, n.º 1 (febrero de 2009): 228–34. http://dx.doi.org/10.1016/s1003-6326(08)60257-5.

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9

Sercheli, Ricardo, Rogério Matheus Vargas y Ulf Schuchardt. "Alkylguanidine-catalyzed heterogeneous transesterification of soybean oil". Journal of the American Oil Chemists' Society 76, n.º 10 (octubre de 1999): 1207–10. http://dx.doi.org/10.1007/s11746-999-0095-2.

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10

Degardin, Mélissa, Sharon Wein, Jean-Frédéric Duckert, Marjorie Maynadier, Alexandre Guy, Thierry Durand, Roger Escale, Henri Vial y Yen Vo-Hoang. "Development of the First Oral Bioprecursors of Bis-alkylguanidine Antimalarial Drugs". ChemMedChem 9, n.º 2 (8 de enero de 2014): 300–304. http://dx.doi.org/10.1002/cmdc.201300419.

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Tesis sobre el tema "Alkylguanidines"

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Degardin, Mélissa. "Synthèse et activités antipaludiques de bis-alkylamidines N-monosubstituées, bis-alkylguanidines et de leurs bioprécurseurs de type amidoxime et O-dérivés". Montpellier 2, 2009. http://www.theses.fr/2009MON20165.

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Des stratégies prodrogues amidoxime et oxadiazolone ont été appliquées à de nouvelles drogues bis-alkylamidines N-monosubstituées que nous avons synthétisées selon une nouvelle stratégie divergente basée sur l'utilisation de la bis-alkyloxadiazolone N-substituée comme intermédiaire de synthèse. Des dérivés N-alkylsulfonyles de bis-alkylamidoximes ont été développés dans le but d'obtenir des structures stables in vitro tout en conservant de fortes activités orales. Enfin, de nouvelles drogues bis-alkylguanidines ont été synthétisées ainsi que leurs bioprécurseurs N-hydroxyguanidines, aminooxadiazolones et iminooxadiazolidinones. Les activités antipaludiques in vitro et in vivo des composés obtenus ont été évaluées
Amidoxime and oxadiazolone prodrug strategies have been applied to new N-monosubstituted bis-alkylamidine drugs which were synthesised by a new divergent strategy based on the use of the N-substitued bis-alkyloxadiazolone as an intermediate. Bis-alkylamidoxime N-alkylsulfonyles derivatives have been developed to obtain in vitro stable structures preserving potent oral activities. Finally, new bis-alkylguanidine drugs were synthesised as well as their bioprecursors N-hydroxyguanidines, aminooxadiazolones and iminooxadiazolidinones. In vitro and in vivo antiplasmodial activities of the obtained compounds were evaluated
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2

I, D'Agostino. "Polyalkylguanidines: new weapons to tackle bacterial resistance". Doctoral thesis, Università di Siena, 2019. http://hdl.handle.net/11365/1070884.

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In this historical period known as the antibiotic crisis era, the ever faster rise of bacterial strains resistant to the clinically used antibiotics along with the scientific research silent gap in the antibacterial field is treating seriously to the worldwide public health. Hence, we urgently need to develop new antibacterials agents with an innovative mode of action, able to trick the mechanisms of the pathogen resistance. In this alarming frame, aware of the antibacterial properties of guanidine moieties, Prof. M. Botta and his research group have evaluated the biological activity of a linear polyalkylguanidino series, synthesized for different medicinal purpose, toward a panel of bacterial microorganisms. Only one compound (1) emerged to have an interesting broad-spectrum antibacterial activity. Later, the serendipitous discovery that the test batch of compound 1 was actually a mixture of oligomers led us to identify the chemical structure of the main component, dimer 2, which was the responsible for the activity. From its scaffold, we designed and synthesized a small library of analogs to make some preliminary consideration on the pharmacophores with the aim of improving the selectivity index and studying the mode(s) of action.
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3

Ardino, Claudia. "Divergent synthesis and MoA investigation of antibacterial alkylguanidino ureas". Doctoral thesis, Università di Siena, 2022. http://hdl.handle.net/11365/1203167.

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The ever-faster rise of antimicrobial resistance (AMR) represents still nowadays a major Public Health issue to concern. Hence, new chemical entities with innovative Modes of Action (MoAs) are required. In this work is reported the extension of an already existing library of AlkylGuanidino Ureas (AGUs), endowed with broad-spectrum bactericidal activity, and a deeper insight is given concerning their mechanisms of action towards bacterial membranes. In fact, most promising derivatives of the series were submitted to model or simulated membrane-based investigations by means of LUVs interaction experiments, a modified PAMPA and MD simulations. The reliability of both analytical and in silico protocols was confirmed by performing cell-based permeabilization assays with non-permeable dyes SYTO9 and PI. Hemolytic activity of selected compounds revealed a promising and further optimizable selectivity profile. Moreover, the effect of the counterion was assessed, being AGUs trifluoroacetate salts. To this concern, a hydrochloride derivative and a free-base one of the series hit compound were synthesized and their biological profiles were compared to that of the corresponding trifluoroacetate salt. The second part of this work is focused on the merger of a HAT-mediated photochemical process with a palladium-catalyzed strategy in the Tsuji-Trost allylation. Briefly, findings and results of a cooperative HAT-mediated C(sp3)-H activation in a traditional palladium-catalyzed approach are herein reported and discussed.
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Actas de conferencias sobre el tema "Alkylguanidines"

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D’Agostino, Ilaria, Jean-Denis Docquier y Maurizio Botta. "AlkylGuanidino Ureas, from a Serendipitous Discovery to a Rational Design: Innovative Membrane-Active Antibacterial Agents". En The 2nd International Electronic Conference on Antibiotics—Drugs for Superbugs: Antibiotic Discovery, Modes of Action and Mechanisms of Resistance. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/eca2022-12756.

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