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Reaction of 1-Antipyryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones with N,N′-Diphenylguanidine
AbstractMethyl 3-aroyl-2-chloro-1-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1 H -pyrazol-4-yl)-4,5-dioxo-4,5-dihydro-1 H -pyrrole-2-carboxylates reacted...
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Reaction of Pyrrolobenzoxazinetriones with Diphenylguanidine. Synthesis of Substituted Spiro[imidazole-2,2′-pyrroles]
Abstract3-Aroylpyrrolo[2,1- c ][1,4]benzoxazine-1,2,4-triones reacted with diphenylguanidine to afford ( E )-{6-(2-hydroxyphenyl)-2-iminio-4,7,8-trioxo-1...
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Reaction of Pyrrolooxazinetriones with Diphenylguanidine. Synthesis of Substituted Spiro[imidazole-4,2′-pyrroles]
Abstract8-Aroyl-3,4-dihydropyrrolo[2,1- c ][1,4]oxazine-1,6,7(1 H )-triones reacted with 1,3-diphenylguaniÂdine to give...
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Determination of Trace Nickel(II) after the Preliminary Extraction of Complexes with 1-(2-Allylamino-1-Methylethyl)Thiocarbamide
AbstractA possibility of extracting nickel(II) complex with 1-(2-allylamino-1-methylethyl)thiocarbamide in the presence and absence of hydrophobic...
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Choice of Accelerators of the Vulcanization Group for Rubbers Based on Epichlorohydrin Rubber
Abstract—The effect of vulcanization accelerators on the structure and properties of rubbers based on Hydrin T6000 epichlorohydrin rubber was...
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A nanogold sensor test for tire wear chemicals based on the plasmon ruler approach
The release of tire wear substances in the environment is raising concerns about potential impacts on aquatic ecosystems. The purpose of this study...
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Quantitation of guanidine derivatives as representative persistent and mobile organic compounds in water: method development
Persistent and mobile organic compounds (PMOCs) are highly soluble in water, thereby posing a threat to water resource quality. Currently, there are...
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New Europium Methoxycinnamates: Synthesis and Thermal and Luminescence Properties
AbstractA method was proposed for the synthesis of Eu(III) compounds with para -methoxycinnamic acid anions and neutral ligands, starting from the...
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Electrochemical sensor modified with poly(toluidine blue) for monitoring trace uranium in natural water by strip** voltammetry
A poly(toluidine blue) modified glassy carbon electrode (PTB/GCE) was prepared by two-step electropolymerization, and was used for the strip**...
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Design and fabrication of a sensitive electrochemical sensor for uranyl ion monitoring in natural waters based on poly (brilliant cresyl blue)
New insights are proposed into enhancing detection of uranyl ions (UO 2 2+ ) by electropolymerization brilliant cresyl blue–modified glassy carbon...
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Electrochemical sensor for uranium monitoring in natural water based on poly Nile blue modified glassy carbon electrode
Herein, a novel strategy for sensitive determination of uranium in natural water was proposed using electropolymerization of Nile blue modified...
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Investigation of the Influence of Carbon Fillers on the Manifestation of the Effect of Tensoresistivity in Tire Regenerates
AbstractAn opportunity of development of electrically conductive rubber based on industrially produced tire regenerate RShT-4 and Reg-1, obtained in...
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Sensitive detection of uranium in water samples using differential pulse adsorptive strip** voltammetry on glassy carbon electrode
Direct and rapid determination of trace amounts of uranium in natural water remains a challenge. Herein, determination of uranium by differential...
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Synthesis and Chromatographic Analysis of the Neuroprotective Agent Mafedine and Related Compounds
AbstractA procedure for the synthesis of 2-anilino-6-hydroxy-3-phenylpyrimidin-4(3 H )-one (mafedine) without using alkali metal ethoxides has been...
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Influence of Supercritical Carbon Dioxide-Assisted Polyamide Acid Modification of Aramid Fibers on the Properties of Aramid Fiber-Reinforced Styrene Butadiene Rubber
Modified aramid fibers (AFs) were prepared through grafting modification of polyamide acid (PAA) assisted by supercritical carbon dioxide (scCO 2 )....
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Electrically Conductive Rubber with Positive Temperature Coefficient of Resistance from Tire Regenerate
AbstractThe possibility of develo** conductive rubber based on tire regenerate and conductive carbon black OMCARB CH85 is shown. The vulcanizing...
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Reaction of Phosphorous Acid with tert-Butylphenyl Glycidyl Ether and Evaluation of the Product as a Rubber Antiaging Agent
AbstractThe reaction of phosphorous acid with tert- butylphenyl glycidyl ether was performed under mild conditions without solvents and catalysts....
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Original Concept of the Development of Effective Electrochemically Active Cathode Materials
AbstractA brief review of research publications that use the original concept first proposed by Academician B.A. Trofimov is presented. The concept...
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Physical-mechanical Properties and Morphology of Lignocellulose Powder Modifiers for Vulcanized Rubbers
AbstractPowder lignocellulose modifiers for vulcanized rubbers were prepared from secondary paper resources (recycled cardboard) treated with TiCl 4 ...
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Quantification of organic contaminants in urban stormwater by isotope dilution and liquid chromatography-tandem mass spectrometry
Pollutants transported in urban stormwater runoff induce pervasive water quality degradation in receiving waters. To accurately characterize...
