Search Results - "Zubatyuk, Roman I."

Role of CHF2- and CF3‑Substituents on Molecular Arrangement in the Solid State: Experimental and Theoretical Crystal Structure Analysis of CH3/CHF2/CF3‑Substituted Benzene by Merz, Klaus, Evers, Mathies V, Uhl, Felix, Zubatyuk, Roman I, Shishkin, Oleg V

“…The influence of CH3/CHF2/CF3-exchange on the molecular arrangement in the solid state of the low melting compounds α-toluene 1, (difluoromethyl)­benzene 2,…”
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Influence of Deuteration and Fluorination on the Supramolecular Architecture of Pyridine N-Oxide Crystals by Shishkin, Oleg V., Shishkina, Svitlana V., Maleev, Andrey V., Zubatyuk, Roman I., Vasylyeva, Vera, Merz, Klaus

“…To understand how deuterium and fluorine substituents influence the supramolecular architecture of pyridine N‐oxide crystals, the crystal structure of…”
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Complexation of molecular clips containing fragments of diphenylglycoluril and benzocrown ethers with paraquat and its derivatives by Kikot', Leonid S, Kulygina, Catherine Yu, Lyapunov, Alexander Yu, Shishkina, Svetlana V, Zubatyuk, Roman I, Bogaschenko, Tatiana Yu, Kirichenko, Tatiana I

“…The complexation of molecular clips containing fragments of diphenylglycoluril and benzocrown ethers with paraquat and its derivatives has been studied both in…”
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Crystal structure of 4-tert-butyl-2-{2-[N-(3,3-dimethyl-2-oxobut-yl)-N-iso-propyl-carbamo-yl]phen-yl}-1-isopropyl-1H-imidazol-3-ium perchlorate by Hordiyenko, Olga V, Zubatyuk, Roman I

“…In the title salt, C26H40N3O2 (+)·ClO4 (-), the positive charge of the organic cation is delocalized between the two N atoms of the imidazole ring. The C N…”
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Isotypic Transformation Principle in Molecular Crystals. Analysis of Supramolecular Architecture of Fluorinated Benzenes and Pyridines by Shishkin, Oleg V, Merz, Klaus, Vasylyeva, Vera, Zubatyuk, Roman I

“…A systematic topological analysis of fluorinated pyridines and benzenes is reported. Fluorine and nitrogen atoms are considered to be isolobal with respect to…”
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Homonuclear versus Heteronuclear Resonance-Assisted Hydrogen Bonds: Tautomerism, Aromaticity, and Intramolecular Hydrogen Bonding in Heterocyclic Systems with Different Exocyclic Proton Donor/Acceptor by Zubatyuk, Roman I, Shishkin, Oleg V, Gorb, Leonid, Leszczynski, Jerzy

“…Tautomerism and resonance-assisted hydrogen bonding have been analyzed on the basis of the results of ab initio calculations at the MP2/AUG-cc-pVDZ level of…”
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An alternative approach to the synthesis of 5H-chromeno[4,3-b]pyridin-5-one system using the cleavage of 5H,9H-pyrano[2',3':5,6]chromeno[4,3-b]pyridine-5,9-diones with binucleophiles by Lozinski, Oleg A., Shokol, Tatyana V., Zubatyuk, Roman I., Shishkin, Oleg V., Khilya, Volodymir P.

“…Hantzsch reaction has been successfully employed for a one-step assembling of pyranopyridine fragment to produce 5 Н ,9 Н -pyrano[2',3':5,6]- chromeno[4,3- b…”
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Cr(III)-Cr(III) interactions in two alkoxo-bridged heterometallic Zn2Cr2 complexes self-assembled from zinc oxide, Reinecke's salt, and diethanolamine by Semenaka, Valentyna V, Nesterova, Oksana V, Kokozay, Volodymyr N, Dyakonenko, Viktoriya V, Zubatyuk, Roman I, Shishkin, Oleg V, Boca, Roman, Jezierska, Julia, Ozarowski, Andrew

“…Two new tetranuclear complexes, [Zn(2)Cr(2)(NCS)(4)(Dea)(2)(HDea)(2)].4DMSO (1; DMSO = dimethyl sulfoxide) and [Zn(2)Cr(2)(NCS)(4)(Dea)(2)(HDea)(2)].2CH(3)CN…”
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Exploration of density functional methods for one-electron reduction potential of nitrobenzenes by Zubatyuk, Roman I, Gorb, Leonid, Shishkin, Oleg V, Qasim, Mo, Leszczynski, Jerzy

“…Performance of the set of density functional approaches for calculation of one-electron reduction potentials of nitroaromatic compounds was investigated. To…”
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Aromaticity-Controlled Tautomerism and Resonance-Assisted Hydrogen Bonding in Heterocyclic Enaminone−Iminoenol Systems by Zubatyuk, Roman I, Volovenko, Yulian M, Shishkin, Oleg V, Gorb, Leonid, Leszczynski, Jerzy

“…The contribution of aromaticity and intramolecular hydrogen bonding to relative stability, for a set of (1H-azahetero-2-ylidene)-acetaldehyde and…”
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The unsubstituted ortho-amidino benzoic acid: crystal structure, characterization and pK a determination by Hordiyenko, Olga V., Biitseva, Angelina V., Kostina, Yuliya Yu, Zubatyuk, Roman I., Shishkin, Oleg V., Groth, Ulrich M., Kornilov, Mikhail Yu

“…The simplest o-amidino benzoic acid—2-(amino(imino)methyl)benzoic acid—has been isolated in 23 % yield as a side product of the reaction of phthalonitrile and…”
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Synthesis of 1R-1H-Imidazo[1,2-a]pyridin-4-ium-8-olate Derivatives by Shelepyuk, Andriy V., Potikha, Lyudmyla M., Kovtunenko, Volodymyr O., Zubatyuk, Roman I., Shishkin, Oleg V.

“…A new method based on reaction of 4‐bromobut‐2‐enoates with N‐alkylimidazoles was proposed for obtaining 1R‐1H‐imidazo[1,2‐a]pyridin‐4‐ium‐8‐olate and…”
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trans -Chloridobis(ethane-1,2-diamine-κ 2 N , N ′)(thiocyanato-κ N )cobalt(III) diamminetetrakis(thiocyanato-κ N )cromate(III) by Rusanova, Julia A., Semenaka, Valentyna V., Zubatyuk, Roman I.

“…The title ionic complex [CoCl(NCS)(C 2 H 8 N 2 ) 2 ][Cr(NCS) 4 (NH 3 ) 2 ], which crystallizes as a non-merohedral twin, is build up of a complex cation…”
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Reactions of octahydroacridine-4-carbonitrile (carboxamide) with electrophilic reagents by Zaliznaya, Ekaterina V., Farat, Oleg K., Gorobets, Nikolay Yu, Markov, Viktor I., Zubatyuk, Roman I., Mazepa, Aleksandr V., Vashchenko, Elena V.

“…Octahydroacridine-4-carbonitrile (carboxamide) was shown to react with aryldiazonium salts and other electrophilic reagents in acidic and neutral media. The…”
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Single-stage synthesis of 3-hydroxy- and 3-alkoxy-5-arylimidazolidine-2,4-diones by reaction of arylglyoxal hydrates with N-hydroxy- and N-alkoxyureas by Shtamburg, Vasiliy G., Shtamburg, Viktor V., Anishchenko, Andrey A., Zubatyuk, Roman I., Mazepa, Aleksander V., Klotz, Eugene A., Kravchenko, Svetlana V., Kostyanovsky, Remir G.

“…Arylglyoxal hydrates interact with N -alkoxyureas and N -hydroxyurea in acetic acid with selective formation of 3-alkoxy-5-arylimidazolidine-2,4-diones and…”
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Formylation of 4,7-Dihydro-1,2,4-triazolo[1,5-a]pyrimidines Using Vilsmeier-Haack Conditions by Lipson, Victoria V., Svetlichnaya, Nataliya V., Borodina, Victoria V., Shirobokova, Maria G., Desenko, Sergey M., Musatov, Vladimir I., Shishkina, Svetlana V., Shishkin, Oleg V., Zubatyuk, Roman I.

“…Formylation of 5‐methyl‐7‐phenyl‐4,7‐dihydro‐1,2,4‐triazolo[1,5‐a]pyrimidine 1a using Vilsmeier–Haack conditions yields…”
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Efficient preparation of N',N-1H-isoindole-1,3-diylidenedicarbohydrazides via 1,1,3-trichloro-1H-isoindole, and their characterization by HORDIYENKO, Olga V, RUDENLCO, Igor V, BIITSEVA, Angelina V, TUROV, Aleksandr V, ARRAULT, Axelle, BROSSE, Nicolas, FABRE, Olivier, JAMART-GREGOIRE, Brigitte, ZUBATYUK, Roman I, SHISHKIN, Oleg V

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Bis(μ-4-nitro-2-{[2-(oxidomethyl)phenyl]iminomethyl}phenolato)bis[chlorido(dimethyl sulfoxide)iron(III)] dimethyl sulfoxide disolvate by Chygorin, Eduard N., Rusanova, Julia A., Zubatyuk, Roman I., Shishkin, Oleg V.

“…In the centrosymmetric dimeric title complex, [Fe2(C14H10N2O4)2Cl2(C2H6OS)2]·2C2H6OS, two {Fe(L)Cl(DMSO)} units (L is the tridentate ligand…”
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1-Alkoxyamino-4-dimethylaminopyridinium derivatives as new representatives of O–N–N+ geminal systems and their structure by Shtamburg, Vasiliy G., Tsygankov, Alexander V., Shishkin, Oleg V., Zubatyuk, Roman I., Shtamburg, Victor V., Gerasimenko, Mikhail V., Mazepa, Alexander V., Kostyanovsky, Remir G.

“…N-Alkoxy-N-(4-dimethylaminopyridin-1-ium-1-yl)-substituted ureas, benzamides and N-tert-alkylamines were prepared by the reac tion of the corresponding…”
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Chiral ureas with two electronegative substituents at 1-N: An unusual case of coexisting pyramidal and almost planar 1-N atoms in the same crystal by Shishkin, Oleg V., Shtamburg, Vasiliy G., Zubatyuk, Roman I., Olefir, Dmitriy A., Tsygankov, Alexander V., Prosyanik, Alexander V., Mazepa, Alexander V., Kostyanovsky, Remir G.

“…XRD studies of structure of N‐acetoxy‐N‐methoxyurea and N,N‐bis(methoxycarbonyl)‐N‐methoxyimide have revealed that in N‐methoxy‐N‐X‐ureas (X = OAc, Cl, OMe,…”
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