Search Results - "Ostrovskii, Vladimir A"

Tetrazoles and Related Heterocycles as Promising Synthetic Antidiabetic Agents by Trifonov, Rostislav E, Ostrovskii, Vladimir A

“…Tetrazole heterocycle is a promising scaffold in drug design, and it is incorporated into active pharmaceutical ingredients of medications of various actions:…”
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Novel [1,2,4]triazolo[3,4- b ][1,3,4]thiadiazine and [1,2,4]triazolo[3,4- b ][1,3,4]thiadiazepine Derivatives: Synthesis, Anti-Viral In Vitro Study and Target Validation Activity by Khramchikhin, Andrey V, Skryl'nikova, Mariya A, Esaulkova, Iana L, Sinegubova, Ekaterina O, Zarubaev, Vladimir V, Gureev, Maxim A, Puzyk, Aleksandra M, Ostrovskii, Vladimir A

“…This study of the interaction system of binucleophilic 3-substituted 4-amino-4H-1,2,4-triazole-5-thiols and 3-phenyl-2-propynal made it possible to develop a…”
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Novel 1,2,4-Triazole- and Tetrazole-Containing 4H-Thiopyrano[2,3-b]quinolines: Synthesis Based on the Thio-Michael/aza-Morita–Baylis–Hillman Tandem Reaction and Investigation of Antiviral Activity by Khramchikhin, Andrey V., Skryl’nikova, Mariya A., Gureev, Maxim A., Zarubaev, Vladimir V., Esaulkova, Iana L., Ilyina, Polina A., Mammeri, Oussama Abdelhamid, Spiridonova, Dar’ya V., Porozov, Yuri B., Ostrovskii, Vladimir A.

“…A novel method for synthesizing 1,2,4-triazole- and tetrazole-containing 4H-thiopyrano[2,3-b]quinolines using a new combination of the thio-Michael and…”
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5-Vinyl-1H-tetrazole by Krygina, Daria M., Sivtsov, Eugene V., Pavlyukova, Yuliya N., Chernova, Ekaterina N., Skryl’nikova, Mariya A., Baigildin, Vadim A., Puzyk, Aleksandra M., Oskorbyn, Alexander A., Trifonov, Rostislav E., Aleshunin, Pavel A., Ostrovskii, Vladimir A.

“…Highly purified 5-vinyl-1H-tetrazole was synthesized, which is in great demand in modern medicine and industry as a monomer for obtaining nitrogen-rich…”
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3-(5-Phenyl-2H-tetrazol-2-yl)pyridine by Ershov, Ivan S, Esikov, Kirill A, Nesterova, Olga M, Skryl’nikova, Mariya A, Khramchikhin, Andrey V, Shmaneva, Nadezda T, Chernov, Ivan S, Chernova, Ekaterina N, Puzyk, Aleksandra M, Sivtsov, Eugene V, Pavlyukova, Yuliya N, Trifonov, Rostislav E, Ostrovskii, Vladimir A

“…3-(5-Phenyl-2H-tetrazol-2-yl)pyridine was synthesized by treating 5-phenyl-1H-tetrazole with pyridin-3-ylboronic acid under Chan–Evans–Lam coupling conditions…”
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Basicity of N-H- and N-Methyl-1,2,3-triazoles in the Gas Phase, in Solution, and in the Solid State − An Experimental and Theoretical Study by Abboud, José-Luis M., Foces-Foces, Concepción, Notario, Rafael, Trifonov, Rostislav E., Volovodenko, Anna P., Ostrovskii, Vladimir A., Alkorta, Ibon, Elguero, José

“…The gas‐phase and aqueous basicities of six 1,2,3‐triazoles have been determined, the former by FT‐ICR and the latter by spectrophotometry and 1H NMR. The…”
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Mixed-ligand copper(II) complexes with tetrazole derivatives and 2,2′-bipyridine, 1,10-phenanthroline: Synthesis, structure and cytotoxic activity by Eremina, Julia A., Lider, Elizaveta V., Samsonenko, Denis G., Sheludyakova, Liliya A., Berezin, Alexey S., Klyushova, Lyubov S., Ostrovskii, Vladimir A., Trifonov, Rostislav E.

“…Four mixed-ligand Cu(II) complexes with 1,10-phen/2,2′-bipy and tetrazole derivatives are reported together with a comparative study of their properties and…”
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Alkylation and Related Electrophilic Reactions at Endocyclic Nitrogen Atoms in the Chemistry of Tetrazoles by O. Koren, Andrei, A. Ostrovskii, Vladimir

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Mass transfer intensification of 2-methyl-5-nitrotetrazole synthesis in two-phase liquid–liquid Taylor flow in microreactor by Abiev, Rufat Sh, Pavlyukova, Yulia N., Nesterova, Olga M., Svetlov, Stanislav D., Ostrovskii, Vladimir A.

“…[Display omitted] •Alkylation of 5-nitrotetrazole sodium salt with dimethyl sulfate was carried out.•Mass-transfer coefficient kL in microreactor is 15–208…”
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Advances in synthesis of tetrazoles coordinated to metal ions by Popova, Elena Aleksandrovna, Trifonov, Rostislav E., Ostrovskii, Vladimir A.

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Synthesis and in vitro Biological Evaluation of Novel Thymidine Analogs Containing 1H-1,2,3-Triazolyl, 1H-Tetrazolyl, and 2H-Tetrazolyl Fragments by Popova, Elena A., Ovsepyan, Gayane K., Protas, Aleksandra V., Erkhitueva, Elena B., Kukhanova, Marina K., Yesaulkova, Yana L., Zarubaev, Vladimir V., Starova, Galina L., Suezov, Roman V., Eremin, Alexei V., Ostrovskii, Vladimir A., Trifonov, Rostislav E.

“…3′-Azidothymidine (AZT) reacts with 1-propargyl-5-R-1H- and 2-propargyl-5-R-2H-tetrazoles (R = H, Me, CH 2 COOEt, CH 2 CON(CH 3 ) 2 , Ph, 2-CH 3 -C 6 H 4 , or…”
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Methylation of 5-nitrotetrazole sodium salt under phase-transfer catalysis conditions by Pavlyukova, Yulia N., Nesterova, Olga M., Ilyushin, Mikhail A., Ostrovskii, Vladimir A.

“…The alkylation of 5-nitrotetrazole sodium salt with dimethyl sulfate was studied in a two-phase water–dichloromethane system in the presence of…”
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A theoretical study of annular tautomerism of pyrrolotetrazoles in the gas phase by Zubarev, Vadim Yu, Trifonov, Rostislav E., Ostrovskii, Vladimir A., Moderhack, Dietrich

“…The structure and tautomerism of pyrrolotetrazoles have been studied with quantum-chemical methods (HF/6-31G** and DFT B3LYP/ANO-S) in the gas phase. According…”
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Introduction of tetrazol-1-yl and 5-methyltetrazol-1-yl substituents in the phenyl ring of dibenzo-18-crown-6 by Ostrovskii, Vladimir A., Mazur, Maryana S., Mikhailenko, Vera V., Aksenov, Nikolai A., Aksenov, Alexander V.

“…Derivatives of the macrocyclic polyether dibenzo-18-crown-6 containing tetrazol-1-yl and 5-methyltetrazol-1-yl substituents in one of the phenyl rings have…”
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Spectral and Density Functional Studies on the Absorbance and Fluorescence Spectra of 2-R-5-Phenyl-1,3,4-oxadiazoles and Their Conjugate Acids by Gaenko, Alexander V, Devarajan, Ajitha, Trifonov, Rostislav E, Ostrovskii, Vladimir A

“…Absorption and fluorescence spectra of 2-R-5-phenyl-1,3,4-oxadiazoles (R = H, methyl, tert-butyl, trifluoromethyl, amino, phenyl, benzyl) were studied…”
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Basicity of Phenyl- and Methyl-Substituted 1,2,4-Oxadiazoles by Trifonov, Rostislav E., Volovodenko, Anna P., Vergizov, Sergei N., Shirinbekov, Nabi I., Gindin, Vladimir A., Koren, Andrei O., Ostrovskii, Vladimir A.

“…The basicity of a series of 3,5‐disubstituted 1,2,4‐oxadiazoles in aqueous H2SO4 was examined by means of UV and 1H‐NMR spectroscopy. The experimental data…”
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Nitrogen lone pair interactions in organic molecules: a photoelectron spectroscopic study by Novak, Igor, Kovač, Branka, Klasinc, Leo, Ostrovskii, Vladimir A.

“…The electronic structure of several cyclic, saturated and unsaturated amines and imines has been investigated by UV photoelectron spectroscopy (UPS). The…”
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Alkylation of 5-substituted NH-tetrazoles by alcohols in the superacid CF3SO3H by Lisakova, Anna D., Ryabukhin, Dmitry S., Trifonov, Rostislav E., Ostrovskii, Vladimir A., Vasilyev, Aleksander V.

“…[Display omitted] Reactions of 5-substituted NH-tetrazoles with alcohols in the superacid CF3SO3H have been studied. Both the structure of the tetrazole and…”
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Synthesis of novel thymidine derivatives containing a polycyclic tetrazole linker by Filichev, Vyacheslav V, Jasko, Maxim V, Malin, Alexander A, Zubarev, Vadim Yu, Ostrovskii, Vladimir A

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Novel 1,2,4-Triazole- and Tetrazole-Containing 4IH/I-Thiopyrano[2,3-Ib/I]quinolines: Synthesis Based on the Thio-Michael/aza-Morita–Baylis–Hillman Tandem Reaction and Investigation of Antiviral Activity by Khramchikhin, Andrey V, Skryl’nikova, Mariya A, Gureev, Maxim A, Zarubaev, Vladimir V, Esaulkova, Iana L, Ilyina, Polina A, Mammeri, Oussama Abdelhamid, Spiridonova, Dar’ya V, Porozov, Yuri B, Ostrovskii, Vladimir A

“…A novel method for synthesizing 1,2,4-triazole- and tetrazole-containing 4H-thiopyrano[2,3-b]quinolines using a new combination of the thio-Michael and…”
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