Abstract Nowadays there are various antifungal agents. These included many substances, including derivatives of dithiocarbamates. The article aims to synthesize new derivatives of dithiocarbamate and study their antifungal activity. To analyze and identify synthesized substances and determine their structural formulas, the following spectral methods were used: IR (Shimadzu 8400 FTİR), 1H NMR (Bruker 500 MHz […]
Abstract Complex compounds of iron (III) chloride with representatives of aliphatic, aromatic and heterocyclic amino acids were synthesized. Structures of the obtained compounds were presented on the basis of IR-, UV-spectroscopy and by chemical analysis method. The Fe+3 complex with glycine was tested as a catalyst in the model reaction of aerobic oxidation of isopropylbenzene […]
Abstract Phase equilibria in the CuInSe2-Ge-Se ternary system were studied by methods of differential thermal analysis (DTA), X-ray phase (XRD), microstructural (MSA) analyzes and measurement of microhardness. Results of these studies were summarized and presented in the paper. Phase diagrams of CuInSe2-Ge, CuInSe2-GeSe, CuInGeSe4 – Ge, CuInGeSe4 – GeSe, CuInGeSe4 -Se and liquidus surface projections […]
Abstract As known, Sb2Se3 is an efficient absorption layer in solar cells because of its optical and electric properties. In recent years, the power conversion efficiency of Sb2Se3 thin film solar cells has gradually enhanced. Consequently, the paper provides an extended review of the literature on various technologies for the preparation of the Sb-Se thin-film […]
Abstract The paper presents results of the study into the effect of 2,5-dihydroxy-2,5-dimethylhexyne on basic physicomechanical characteristics of compositions based on polyolefins and synthetic rubbers. As polyolefins there was used low density polyethylene, polypropylene, and as synthetic rubbers – nitrile- butadiene rubber, styrene-butadiene rubber, butyl rubber. It found that during the processing of LDPE and […]
Abstract The reaction of ethanol conversion over binary copper-cerium and copper-tungsten oxide catalysts was studied. It found that the activity of examined samples depends both on temperature reactions and their composition. It revealed that on examined copper containing catalysts, the dependences of acetic aldehyde and acetone yields on the composition of the catalyst have the […]
Abstract Features of the crystal structure of the sym. Ме6Fс molecule are compared with features of crystal structures of sym. MenFc (n = 2, 8,10) and nonsymmetrical pentamethylferrocene (Me5C5)FeC5H5. The intra-ring and off-ring valence angles of the 1,2,4-Me3C5H2 ligand in the complex sym. Me6Fc are interpreted by the steric interactions of the vicinal methyl groups […]
Abstract The article explores the synthesis of 2-piperidinomethyl-4-methylcycloalkylphenols as a result of aminomethylation reactions of p-[1(3)-methylcycloalkyl]phenols obtained by catalytic cycloalkylation reactions of phenol and 1-methylcyclopentene, 1- and 3-methylcyclohexenes with piperidine. Aminomethylation reactions were carried out through the interaction of p-cycloalkylphenols with 30% of formaldehyde and piperidine in the presence of a solvent. The reaction was […]