Search Results - "Gubaidullin, A. T"

Changes of Asphaltenes’ Structural Phase Characteristics in the Process of Conversion of Heavy Oil in the Hydrothermal Catalytic System by Kayukova, G. P, Gubaidullin, A. T, Petrov, S. M, Romanov, G. V, Petrukhina, N. N, Vakhin, A. V

“…The composition of heavy crude oil from the Ashal’cha field (Volga-Ural Basin, Republic of Tatarstan) and the peculiarities of the changes of its asphaltenes’…”
Get full text

Reaction of Phosphorus Trihalides with Methyl Triflate. Molecular and Supramolecular Structure of Methyltrichloro- and Methyltribromophosphonium Triflates by Gubaidullin, A. T., Mironov, V. F., Litvinov, I. A.

“…Prolonged (~4 years) keeping of mixtures of phosphorus trichloride or tribromide with methyl triflate in dark at 20–25°C has led to the formation of…”
Get full text

Twice as smart behavior of tert-butylthiacalix[4]arene derivative in glassy and crystalline form by Gataullina, K V, Ziganshin, M A, Stoikov, I I, Gubaidullin, A T, Gorbatchuk, V V

“…A studied tert-butylthiacalix[4]arene derivative with four N-(2-acetoxyethyl)carbamoylmethoxy substituents on its lower rim in partial-cone configuration…”
Get more information

The composition and thermal properties of waxes in oil asphaltenes by Ganeeva, Yu. M., Yusupova, T. N., Romanov, G. V., Gubaidullin, A. T., Samigullina, A. I.

“…Asphaltenes of four Russian and Kyrgyzstan crude oils were investigated with calorimetry, gas chromatography and X-ray diffraction analysis. It was established…”
Get full text

Oxidation of Petroleum Asphaltenes Coupled with Iodination by Shabalin, K. V., Foss, L. E., Musin, L. I., Nagornova, O. A., Gubaidullin, A. T., Saifina, A. F., Khannanov, A. A., Vakhitov, I. R., Borisov, D. N.

“…Oxidation of petroleum asphaltenes by potassium iodide (KI) is described. Oxidation under mild conditions is shown to be accompanied by iodination of the…”
Get full text

Specificity of hexarhenium cluster anions for synthesis of Mn2+-based nanoparticles with lamellar shape and pH-induced leaching for specific organ selectivity in MRI contrasting by Akhmadeev, B.S., Nizameev, I.R., Kholin, K.V., Voloshina, A.D., Gerasimova, T.P., Gubaidullin, A.T., Romashchenko, A.V., Zavjalov, E.L., Kashnik, I.V., Brylev, K.A., Mustafina, A.R.

“…The present work demonstrates the structure variation of hexarhenium anionic cluster units [{Re6S8}(CN)(6-n)(OH)n]4- (n = 0, 2, 4) as the strategy to develop…”
Get full text

Reproducible Preparation of Polymorphs of the Thiacalix[4]Arene Derivative by Saturating a Solid Host with Solvent Vapors by Gabdulkhaev, M. N., Ziganshin, M. A., Gubaidullin, A. T., Gorbachuk, V. V.

“…An efficient method to prepare polymorphs (including the unknown previously) is proposed for tert -butylthiacalix[4]arene tetrasubstituted with…”
Get full text

Peculiarities of Structural Phase Transitions in a Self-Organizing AOT/Water/Isopropyl Myristate System upon Introduction of L-Lysine by Sautina, N. V., Gubaidullin, A. T., Galyametdinov, Yu. G.

“…New biocompatible microemulsion and liquid-crystalline sodium bis(2-ethylhexyl) sulfosuccinate (AOT)/water/isopropyl myristate systems have been obtained for…”
Get full text

Synthesis, structural study, and application of novel copper (II) oligocatecholate by Akhmadullin, R.M., Hoang, H.Y, Gubaidullin, A.T., Nigmatullin, T.F., Kurbankulov, S.R., Akhmadullina, A.G., Le, V.T., Vasseghian, Y., Dao, M.U.

“…•Novel copper (II) oligopyrocatecholate (oligoCat-Cu) was synthesized.•The PXRD analysis demonstrated that oligoCat-Cu possesses a helical structure.•Three…”
Get full text

Electrosynthesis of Nanocomposites of Catalytic Active Pd–Cu and Pd–Au Bimetallic Nanoparticles with Poly(N-vinylpyrrolidone) and Nanocellulose by Fazleeva, R. R., Nasretdinova, G. R., Evtyugin, V. G., Gubaidullin, A. T., Yanilkin, V. V.

“…The work considers the preparation in an undivided cell of Pd–Cu and Pd–Au bimetallic nanoparticles (NPs) by methylviologen (MV 2+ )-mediated electrochemical…”
Get full text

Bivalent copper oligopyrocatecholate as a novel heterogeneous catalyst for the oxidative degradation of mercaptan in caustic solution: Synthesis, characterization, and kinetic study by Akhmadullin, R.M., Gubaidullin, A.T., Kharlampidi, Kh. E., Kurbankulov, S.R., Nigmatullin, T.F., Dao, M.U., Khamidullin, R.F., Akhmadullina, A.G., Vasseghian, Y., Hoang, H.Y.

“…A novel catalyst based on bivalent copper oligopyrocatecholate was first successfully synthesized and dispersed in a polymer matrix for oxidative degradation…”
Get full text

Rearrangement of 3-(bromomethyl)quinoxalin-2(1H)-ones when exposed to 2-aminopyridines as a new method for the synthesis of 2-(imidazo[1,2-a]pyridin-2-yl)benzimidazoles by Zhukova, N. A., Perevalova, D. S., Syakaev, V. V., Beschastnova, T. N., Gubaidullin, A. T., Sinyashin, O. G., Mamedov, V. A.

“…A new efficient method was developed for the synthesis of 2-(imidazo[1,2- a ]pyridin-2-yl)benzimidazoles based on the Mamedov rearrangement. The key step of…”
Get full text

Bifunctional supramolecular systems on the platform of p-sulfonatothiacalix[4]arene containing photochromic mononitrosyl Ru (II) and paramagnetic aqua Gd or Dy complexes by KUSHCH, L. A, YAGUBSKII, E. B, WOIKE, Th, DMITRIEV, A. I, MORGUNOV, R. B, EMEL'YANOV, V. A, MUSTAFINA, A. R, GUBAIDULLIN, A. T, BURILOV, V. A, SOLOVIEVA, S. E, SCHANIEL, D

“…Two bifunctional supramolecular systems [RuNO(NH sub(3)) sub(4)OH] super(2+) super(.)[RuNO(NH sub(3)) sub(4)H sub(2O]) super(3)+ super(.Gd) super( )3+(H…”
Get full text

New sterically hindered disubstituted imine derivatives of (thia)calix[4]arenes bearing bulky tert-butyl groups at the lower rim: synthesis, structures, and complexation ability toward CoII and NiII cations in solution by Strelnikova, I. V., Shutilov, I. D., Ovsyannikov, A. S., Gabdrakhmanova, F. B., Agarkov, A. S., Gubaidullin, A. T., Khamatgalimov, A. R., Solovieva, S. E., Antipin, I. S.

“…New macrocyclic Schiff bases, lower rim disubstituted imine derivatives of thia- and calix[4]arenes 7 and 8 adopted in a cone stereoisomeric conformation,…”
Get full text

FEATURES OF THE CRYSTAL STRUCTURES OF THREE POLYMORPHS OF (RS,SR)-1-BENZYL- 3-(α,4-DICHLOROBENZYL)-3-HYDROXYINDOLIN-2-ONE by Samigullina, A. I., Galimullina, V. R., Kadyrova, S. F., Krivolapov, D. B., Mamedov, V. A., Gubaidullin, A. T.

“…Three polymorphs of first synthesized ( RS , SR )-3-(α,4-dichlorobenzyl)-3-hydroxyindolin-2-one are characterized by single crystal X-ray diffraction. Since…”
Get full text

Electrochemical method for producing globules of ultrasmall rhodium nanoparticles with poly(N-vinylpyrrolidone) bound to the surface of nanocellulose fibers by Fazleeva, R. R., Nasretdinova, G. R., Osin, Yu. N., Gubaidullin, A. T., Yanilkin, V. V.

“…The study concerns the preparation of Rh nanoparticles (NPs) by room-temperature, methyl viologen (MV 2+ ) mediated electrochemical reduction of RhCl 3 in the…”
Get full text

Conformational Behavior of N1-(Diphenylphosphoryl)acetyl-N4-phenyl-thiosemicarbazide in Various Crystal Environments by Samigullina, A. I., Krutov, I. A., Gavrilova, E. L., Gubaidullin, A. T.

“…Three crystal modifications of phenyl-substituted diphenylphosphoryl thiosemicarbazide (compound ( 1 ) and two its solvates with dimethyl sulfoxide ( 2 , 3 ))…”
Get full text

Structural features of composite protein-polysaccharide hydrogel in the presence of a carbon nanomaterial by Zueva, O. S., Gubaidullin, A. T., Makarova, A. O., Bogdanova, L. R., Zakharova, L. Ya, Zuev, Yu. F.

“…The structures of a protein-polysaccharide composite hydrogel and its modifications prepared using carbon nanotubes (CNTs) were studied by small-angle X-ray…”
Get full text

Polymorphism in N4-Ethyl-N1-(Diphenylphosphoryl)Acetyl-Thiosemicarbazide crystals by Samigullina, A. I., Isaeva, A. O., Komunarova, D. K., Burangulova, R. N., Gavrilova, E. L., Zakharychev, D. V., Gubaidullin, A. T.

“…Three polymorphs of N 4-ethyl- N 1-(diphenylphosphoryl)acetyl-thiosemicarbazide, which exemplify packing polymorphism, are obtained and characterized…”
Get full text

Combination of the Claisen-Schmidt reaction, the Michael addition, and the Hantzsch reaction in the synthesis of 2,6′-bis-aryl-3,4′-bipyridines by Mamedov, V. A., Mustakimova, L. V., Gerasimov, O. A., Gubaidullin, A. T.

“…Pyridine-3-carbaldehyde reacted with 1-(aryl)ethan-1-ones to give 1,5-diaryl-3-(pyridin-3-yl)pentane-1,5-diones, which were further converted to…”
Get full text