Výsledky vyhledávání - "Yurii Chumakov"

Akademický článek

Investigating the Corrosion Inhibition Mechanisms of Alkanolammonium Salts: A Case Study with Ethylethanolammonium 4-Nitrobenzoate on Carbon Steel in Saline Solution

Autor: Manuela Crisan, Cornelia Muntean, Yurii Chumakov, Nicoleta Plesu

Publikováno v: Applied Sciences, Vol 14, Iss 5, p 1832 (2024)

This study explores the potential corrosion inhibition mechanisms of alkanolammonium salts, exemplified by ethylethanolammonium 4-nitrobenzoate (EEA4NB), for carbon steel, utilizing experimental and theoretical methods. The interactions between metal

Externí odkaz: https://doaj.org/article/d4628369ac6d47eaab951a37476d21ba

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Akademický článek

Synthesis, Characterization, and Biological Properties of the Copper(II) Complexes with Novel Ligand: N-[4-({2-[1-(pyridin-2-yl)ethylidene]hydrazinecarbothioyl}amino)phenyl]acetamide

Autor: Roman Rusnac, Olga Garbuz, Yurii Chumakov, Victor Tsapkov, Christelle Hureau, Dorin Istrati, Aurelian Gulea

Publikováno v: Inorganics, Vol 11, Iss 10, p 408 (2023)

For the first time, a thiosemicarbazone-type ligand containing a paracetamol structural unit was synthesized. Five new coordination compounds based on copper(II) salts: [Cu(L)CH3COO] (1), [{Cu(L)Cl}2]·H2O (2), [Cu(L)H2O·DMF]NO3 (3), [Cu(L)Br] (4),

Externí odkaz: https://doaj.org/article/8fcb9a23e02d484592571f72aa65868e

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Akademický článek

Compounds Removed from the Condensation Reaction between 2-acetylpyridine and 2-formylpyridine. Synthesis, Crystal Structure and Biological Evaluation

Autor: Roman Rusnac, Maria Botnaru, Nicanor Barba, Peter Petrenko, Yurii Chumakov, Aurelian Gulea

Publikováno v: Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 15, Iss 2, Pp 88-98 (2020)

The research is devoted to the study of unexpected products that formed as a result of the condensation reaction between 2-acetylpyridine and 2-formylpyridine under the Claisen-Schmidt reaction conditions. As a result, a sequence of reactions leading

Externí odkaz: https://doaj.org/article/735e68c59429425da1a9d8b0018d0e61

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Akademický článek

Synthesis, Structure, and Biologic Activity of Some Copper, Nickel, Cobalt, and Zinc Complexes with 2-Formylpyridine N4-Allylthiosemicarbazone

Autor: Vasilii Graur, Yurii Chumakov, Olga Garbuz, Christelle Hureau, Victor Tsapkov, Aurelian Gulea

Publikováno v: Bioinorganic Chemistry and Applications, Vol 2022 (2022)

A series of zinc(II) ([Zn(H2O)(L)Cl] (1)), copper (II) ([Cu(L)Cl] (2), [Cu(L)Br] (3), [Cu2(L)2(CH3COO)2]·4H2O (4)), nickel(II) ([Ni(HL)2]Cl2·H2O (5)), and cobalt(III) ([Co(L)2]Cl (6)) complexes were obtained with 2-formylpyridine N4-allylthiosemica

Externí odkaz: https://doaj.org/article/e627ad32ef8e458aa06d7d391b6b7b2f

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Akademický článek

Influence of Twist-Angle and Concentration Disorder on the Density of Electronic States of Twisted Graphene

Autor: Nadezhda Bobenko, Yurii Chumakov, Anna Belosludtseva

Publikováno v: Applied Sciences, Vol 12, Iss 9, p 4109 (2022)

In this paper, we present an approach that makes it possible to describe, from unified physical considerations, the influence of rotation-angle and concentration disorder on the density of electronic states of two-layer twisted graphene. The electron

Externí odkaz: https://doaj.org/article/73d94b63ff0f4866a29378809d519cee

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Akademický článek

Synthesis, structure and toxicity evaluation of ethanolamine nitro/chloronitrobenzoates: a combined experimental and theoretical study

Autor: Manuela Crisan, Liliana Halip, Paulina Bourosh, Sergiu Adrian Chicu, Yurii Chumakov

Publikováno v: Chemistry Central Journal, Vol 11, Iss 1, Pp 1-10 (2017)

Abstract Background Nitroaromatic and chloronitroaromatic compounds have been a subject of great interest in industry and recently in medical-pharmaceutic field. 2-Chloro-4-nitro/2-chloro-5-nitrobenzoic acids and 4-nitrobenzoic acid are promising new

Externí odkaz: https://doaj.org/article/ca7d7a5852684dc0841c133254c14333

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Pyrrolidinecarbodithioate as a planarity chuck in the search for cis-platin analogues of nickel: Spectral, single crystal X-ray structural, BVS, and CSM analysis of some planar nickel(II) mixed ligand complexes

Autor: Kuppukkannu Ramalingam, Murugesan Saravanan, Gabriele Bocelli, Lara Righi, Yurii Chumakov, Andrea Cantoni

Publikováno v: European Journal of Chemistry. 13:117-125

[Ni(pyrdtc)(PPh3)(NCS)] (1), [Ni(pyrdtc)(4-MP)(NCS)] (2), [Ni(pyrdtc)(PPh3)(CN)]·H2O (3), [Ni(pyrdtc)(PPh3)2]ClO4 (4), and [Ni(pyrdtc)(P͡P)]BPh4·2H2O (5) [where pyrdtc: Pyrrolidine carbodithioate/S͡S, PPh3: Triphenylphosphine, 4-MP: Tri(4-methylp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc32bd07ca00c85425e2a2d9d05d1208
https://doi.org/10.5155/eurjchem.13.1.117-125.2214

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Morphology induced enhanced photoconductivity of a phthalocyanine-based benzimidazole linked two-dimensional conjugated covalent organic polymer

Autor: Ercan Duygulu, Onur Alev, Yurii Chumakov, Zafer Ziya Öztürk, Mehmet Menaf Ayhan, Fatma Yuksel

Publikováno v: New Journal of Chemistry. 46:6314-6318

A novel phthalocyanine-based benzimidazole linked conjugated covalent organic polymer (NiPc-COP1) has been synthesized with multiple randomly ordered crystalline morphologies.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f184603a138eeb97261edb75e2bdc40
https://doi.org/10.1039/d2nj00339b

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