Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Victor Kravtsov"'
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 18, Iss 2, Pp 53-60 (2023)
The solid-state structure of a symmetrical carbohydrazone, namely 1,5-bis(2-hydroxy-3-methoxybenzylidene)carbonohydrazide was determined by X-ray single crystal diffraction method. Compound 1 crystallizes in the monoclinic space group P21/n with unit
Externí odkaz:
https://doaj.org/article/d796024d6f7e43e6ac6e7a2f0e525856
Autor:
Marina Zveaghintseva, Eugenia Stingaci, Serghei Pogrebnoi, Lucian Lupascu, Alic Barba, Gheorghe Duca, Vladimir Valica, Livia Uncu, Victor Kravtsov, Dumitru Terteac, Alexandr Brinzan, Fliur Macaev
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 17, Iss 2, Pp 109-119 (2022)
In this work new methods to obtain complexes from β-cyclodextrin and dehydroabietic acid with chromenol-triazol hybrid with the sizes limits of approximately 0.1-250 μm are reported. Kneading, co-evaporation and co-precipitation for the resolution
Externí odkaz:
https://doaj.org/article/74cb591fa63a4507a02a49989420c7d5
Autor:
Artūras Suchodolskis, Vidas Pakštas, Marius Franckevičius, Algirdas Mekys, Katri Muska, Martynas Talaikis, Marit Kauk-Kuusik, Xiaofeng Li, Victor Kravtsov, Rokas Kondrotas, Arūnas Krotkus, Remigijus Juškėnas
Publikováno v:
Open Research Europe, Vol 2 (2023)
Background: The development of organic/inorganic metal halide perovskites has seen unprecedent growth since their first recognition for applications in optoelectronic devices. However, their thermodynamic stability and toxicity remains a challenge co
Externí odkaz:
https://doaj.org/article/6a8be677e11c4a7ea797818758690199
Autor:
Vasilii Graur, Irina Usataia, Ianina Graur, Olga Garbuz, Paulina Bourosh, Victor Kravtsov, Carolina Lozan-Tirsu, Greta Balan, Valeriu Fala, Aurelian Gulea
Publikováno v:
Inorganics, Vol 11, Iss 5, p 195 (2023)
The six new copper(II) coordination compounds [Cu(HL1)Cl2] (1), [Cu(HL1)Br2] (2), [Cu(H2O)(L1)(CH3COO)]·1.75H2O (3), [Cu(HL2)Cl2] (4), [Cu(HL2)Br2] (5), [Cu(H2O)(L2)(CH3COO)] (6) were synthesized with 2-formyl- and 2-acetylpyridine N4,S-diallylisoth
Externí odkaz:
https://doaj.org/article/6270313668094237b658bcd1a09eb52a
Autor:
Erkki Lähderanta, Elena Hajdeu-Chicarosh, Victor Kravtsov, Mikhail A Shakhov, Vladimir N Stamov, Ivan V Bodnar, Ernest Arushanov, Konstantin G Lisunov
Publikováno v:
New Journal of Physics, Vol 24, Iss 9, p 093008 (2022)
Resistivity, ρ ( T ), and magnetoresistance (MR) are investigated in the Cu _2 Zn _1− _x Cd _x SnS _4 single crystals for compositions x ≡ Cd/(Zn + Cd) = 0.15–0.24, in the temperature range of T ∼ 50–300 K in pulsed magnetic fields of B up
Externí odkaz:
https://doaj.org/article/0f87273a37f44698b2ad3b540cf472f5
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 13, Iss 1, Pp 36-45 (2018)
Two vanadium(V) complexes comprising VO3+ and VO2+ cores with o-vanillin semicarbazone (H2L) have been synthesized and characterized by IR, NMR spectroscopies and single-crystal X-ray diffraction study. The coordination polyhedra are a O5N distorted
Externí odkaz:
https://doaj.org/article/92ba4174b01f4c0c93e6198d2a09792b
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 13, Iss 1, Pp 46-53 (2018)
The reaction between iron and nickel salts with ammonium salicylate results in the formation of a new trinuclear heterometallic complex [hexa-µ2-salicylato-µ3-oxo-(methanol)(dimethylformamide) aquadiiron(III) nickel(II)] methanol dimethylformamide.
Externí odkaz:
https://doaj.org/article/6582b350c3a443f0a522bfc2ec59fe3d
Autor:
Vasile Lozan, Natalia Terenti, Elena Melnic, Victor Fruth, Natalia Nedelko, Pavlo Aleshkevych, Sabina Lewińska, Anna Ślawska-Waniewska, Victor Kravtsov
Publikováno v:
SSRN Electronic Journal.
Autor:
Natalia Sucman, Vsevolod Pogrebnoi, Mykola Obushak, Elena Melnic, Victor Kravtsov, Fliur Macaev
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 10, Iss 1, Pp 64-70 (2015)
Interaction of N-ethyl isatin 3 with dimethyl acetylenedicarboxylate in the presence triphenylphosphine has led to good selectivity of methyl 1'-ethyl-4-methoxy-2',5-dioxo-5H-spiro[furan-2,3'-indoline]-3-carboxylate 4 formation. Similar yields of spi
Externí odkaz:
https://doaj.org/article/9aa43b42790846d8aa5ea433a496c10a
Publikováno v:
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 10, Iss 1, Pp 52-56 (2015)
The lanthanum(III) cyanoacetate complex of formula {[La2(CNCH2COO)6 (H2O)4]∙H2O}n (1), has been prepared and characterized by X-ray diffraction analysis. Compound crystallizes in the triclinic centrosymmetric space group P-1 (No.2), a=8.997(5) Å,
Externí odkaz:
https://doaj.org/article/c7917858bf0748bfb60b3a30e579e103