Search Results - "Valentina N. Panchenko"

Insights into the Structure-Property-Activity Relationship of Zeolitic Imidazolate Frameworks for Acid-Base Catalysis by Timofeeva, Maria N, Panchenko, Valentina N, Jhung, Sung Hwa

“…Zeolitic imidazolate frameworks (ZIFs) have been extensively examined for their potential in acid-base catalysis. Many studies have demonstrated that ZIFs…”
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Catalytic behavior of metal–organic frameworks in the Knoevenagel condensation reaction by Panchenko, Valentina N., Matrosova, Maria M., Jeon, Jaewoo, Jun, Jong Won, Timofeeva, Maria N., Jhung, Sung Hwa

“…[Display omitted] •MIL-100(Al), Cu3(BTC)2·(H2O)3, UiO-66 were studied in Knoevenagel condensation reaction.•Activity of metal carboxylates depends on the…”
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Acid-base properties and catalytic activity of metal-organic frameworks: A view from spectroscopic and semiempirical methods by Panchenko, Valentina N., Timofeeva, Maria N., Jhung, Sung Hwa

“…This article summarizes several approaches for understanding the catalytic chemistry and "structure-surface acidity-reactivity" relationships in a multiplicity…”
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Effect of MAF-6 Crystal Size on Its Physicochemical and Catalytic Properties in the Cycloaddition of CO2 to Propylene Oxide by Maria N. Timofeeva, Ivan A. Lukoyanov, Valentina N. Panchenko, Biswa Nath Bhadra, Evgenii Yu Gerasimov, Sung Hwa Jhung

“…Zeolitic imidazolate frameworks MAF-5 and MAF-6 based on Zn2+ and 2-ethylimidazole were demonstrated to be efficient heterogeneous catalysts in solvent-free…”
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Formic Acid Production via One-Pot Hydrolysis-Oxidation of Starch over Quaternary Ammonium Salts of Vanadium-Containing Keggin-Type Heteropoly Acids by Nikolay V. Gromov, Tatiana B. Medvedeva, Ivan A. Lukoyanov, Valentina N. Panchenko, Maria N. Timofeeva, Oxana P. Taran, Valentin N. Parmon

“…Bifunctional solid acidic quaternary ammonium salts of Keggin-type vanadium-containing heteropoly acids, such as R3.5H0.5PVMo11O40 (R: (C2H5)4N, (C4H9)4N,…”
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Polymeric Floating Photocatalysts Based on PE/TiO2 Composites for the Removal of Organic Pollutants in Water by Valentina N. Panchenko, Mikhail A. Matsko, Dmitry S. Selishchev, Denis V. Kozlov

“…Polymeric floating photocatalysts based on polyethylene (PE)/TiO2 compositions were synthesized by in situ ethylene polymerization in the presence of a…”
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In Situ EPR Monitoring of Chromium Species Formed during Cr−Pyrrolyl Ethylene Trimerization Catalyst Formation by Skobelev, Igor Y, Panchenko, Valentina N, Lyakin, Oleg Y, Bryliakov, Konstantin P, Zakharov, Vladimir A, Talsi, Evgenii P

“…The catalyst systems Cr(acac)3/pyrrole/AlEt3/AlEt2Cl and Cr(EH)3/pyrrole/AlEt3/AlEt2Cl in cyclohexane (EH = 2-ethylhexanoate), modeling the Phillips ethylene…”
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Hydrolysis–Dehydration of Cellulose: Efficiency of NbZr Catalysts under Batch and Flow Conditions by Nikolay V. Gromov, Olga L. Ogorodnikova, Tatiana B. Medvedeva, Valentina N. Panchenko, Irina S. Yakovleva, Lyubov A. Isupova, Maria N. Timofeeva, Oxana P. Taran, Cyril Aymonier, Valentin N. Parmon

“…Niobium oxide supported on ZrO2 and mixed oxide of NbOx-ZrO2 was prepared and characterized. Mechanical treatment was followed by the microwave heating…”
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Effect of nitric acid modification of montmorillonite clay on synthesis of solketal from glycerol and acetone by Timofeeva, Maria N., Panchenko, Valentina N., Krupskaya, Victoria V., Gil, Antonio, Vicente, Miguel A.

“…The effect of acid modification of a natural montmorillonite clay (MM) by HNO3 on the catalytic properties of MM from Dash-Salakhlinsk (Kazakhstan) has been…”
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Isostructural metal-carboxylates MIL-100(M) and MIL-53(M) (M: V, Al, Fe and Cr) as catalysts for condensation of glycerol with acetone by Timofeeva, Maria N., Panchenko, Valentina N., Khan, Nazmul Abedin, Hasan, Zubair, Prosvirin, Igor P., Tsybulya, Sergey V., Jhung, Sung Hwa

“…[Display omitted] •Synthesis of solketal from glycerol and acetone was studied over MIL-100(M) and MIL-53(M) (M=V, Al, Fe, Cr).•Reaction was studied at…”
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Optical properties of composites based on polyethylene and monoclinic Y2O3:Eu3+ nanoparticles by Kostyukov, Anton I., Panchenko, Valentina N., Rakhmanova, Mariana I., Nashivochnikov, Aleksandr A., Matsko, Mikhail A., Suprun, Evgenii A.

“…m-Y2O3:Eu3+ composites (PECs) containing 0.32, 0.77, and 1.79 wt% of well-dispersed sphere-like m-Y2O3:Eu3+ nanoparticles were obtained by in situ…”
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One-pot synthesis of sorbitol via hydrolysis-hydrogenation of cellulose in the presence of Ru-containing composites by Gromov, Nikolay V., Medvedeva, Tatiana B., Rodikova, Yulia A., Timofeeva, Maria N., Panchenko, Valentina N., Taran, Oxana P., Kozhevnikov, Ivan V., Parmon, Valentin N.

“…[Display omitted] •Cellulose hydrolysis-hydrogenation into sorbitol sweetener is studied.•Ru-containing composites of H3PW12O40 with ZrO2 or Nb2O5 were…”
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Zeolitic Imidazolate Frameworks ZIF‑8 and MAF‑5 as Highly Efficient Heterogeneous Catalysts for Synthesis of 1‑Methoxy-2-propanol from Methanol and Propylene Oxide by Timofeeva, Maria N, Lykoyanov, Ivan A, Panchenko, Valentina N, Shefer, Kristina I, Bhadra, Biswa Nath, Jhung, Sung Hwa

“…Herein, we demonstrated that zinc zeolitic imidazolate frameworks (ZIFs) based on 2-methylimidazole (ZIF-8) and 2-ethylimidazole (MAF-5 or ZIF-14) linkers…”
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Solid Base Assisted n‑Pentanol Coupling over VIII Group Metals: Elucidation of the Guerbet Reaction Mechanism by DRIFTS by Panchenko, Valentina N, Paukshtis, Evgeniy A, Murzin, Dmitry Yu, Simakova, Irina L

“…Liquid phase catalytic coupling of n-pentanol over VIII group metals (Pt, Pd, Ir, Ru, Rh) on a range of supports (C, Al2O3, TiO2, CeO2, ZrO2) doped with…”
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The main factors affecting the catalytic properties of Ru/Cs-HPA systems in one-pot hydrolysis-hydrogenation of cellulose to sorbitol by Gromov, Nikolay V., Medvedeva, Tatiana B., Taran, Oxana P., Timofeeva, Maria N., Said-Aizpuru, Olivier, Panchenko, Valentina N., Gerasimov, Evgeniy Yu, Kozhevnikov, Ivan V., Parmon, Valentin N.

“…[Display omitted] •Hydrolysis-hydrogenation of cellulose was studied over bifunctional catalysts.•Ru supported on Cs2HPW12O40 and Cs3HSiW12O40 were used as…”
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Effects of linker substitution on catalytic properties of porous zirconium terephthalate UiO-66 in acetalization of benzaldehyde with methanol by Timofeeva, Maria N., Panchenko, Valentina N., Jun, Jong Won, Hasan, Zubair, Matrosova, Maria M., Jhung, Sung Hwa

“…•A family of isoreticular MOF based on the UiO-66 structure was synthesized from the two linker ligands.•Effect of NH2- and NO2-groups in linker ligands on…”
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A layered titanosilicate AM-4 as a novel catalyst for the synthesis of 1-methoxy-2-propanole from propylene oxide and methanol by Timofeeva, Maria N., Kurchenko, Julia V., Kalashnikova, Galina O., Panchenko, Valentina N., Nikolaev, Anatoliy I., Gil, Antonio

“…[Display omitted] •Layered titanosilicate AM-4 of the synthetic analog of the natural Lintisite group was synthesized.•Dependence of basic properties on AM-4…”
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Photoreactivity of metal-organic frameworks in the decolorization of methylene blue in aqueous solution by Kozlova, Ekaterina A., Panchenko, Valentina N., Hasan, Zubair, Khan, Namzul Abedin, Timofeeva, Maria N., Jhung, Sung Hwa

“…•The photocatalytic decolorization of methylene blue dye in aqueous solution was studied.•Isostructural MIL-100(M) (M=Al, Fe, V and Cr) materials were used as…”
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One-pot synthesis of formic acid via hydrolysis-oxidation of potato starch in the presence of cesium salts of heteropoly acid catalysts by Gromov, Nikolay V, Medvedeva, Tatiana B, Rodikova, Yulia A, Babushkin, Dmitrii E, Panchenko, Valentina N, Timofeeva, Maria N, Zhizhina, Elena G, Taran, Oxana P, Parmon, Valentin N

“…Solid bifunctional catalysts based on cesium salts of V-containing heteropoly acids (CsHPA: Cs H PW VO , Cs H SiW VO , Cs H PMo VO ) and Cs H PMo O were used…”
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New Insight into Titanium–Magnesium Ziegler–Natta Catalysts Using Photoluminescence Spectroscopy by Panchenko, Valentina N., Kostyukov, Anton I., Shabalin, Anton Yu, Paukshtis, Evgeniy A., Glazneva, Tatiana S., Kazarian, Sergei G.

“…This paper presents the results of study of titanium–magnesium catalysts often used in polymerization processes, by photoluminescence spectroscopy (PL) in…”
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