Facultatea de Chimie şi Tehnologie Chimică / Faculty of Chemistry and Chemical Technology
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Item SYNTHESIS AND BIOLOGICAL ACTIVITY OF NICKEL AND COPPER COORDINATION COMPOUNDS OF 5-NITROFURAN-2-CARBALDEHYDE N(4)-ALLYL-3-THIOSEMICARBAZONE(CEP USM, 2014) Graur, Vasilii; Zariciuc, Elena; Tsapkov, Victor; Barba, Nina; Gulea, AurelianThe paper presents the synthesis of the ligand 5-nitrofuran-2-carbaldehyde N(4)-allyl-3-thiosemicarbazone (HL) and eight coordination compounds of copper(II) and nickel(II) with this ligand. The structure of thiosemicarbazone HL was studied using 1 H and 13С NMR spectroscopy. For the synthesized compounds their antimicrobial and antifungal activity was studied on a series of standard strains. For HL and Cu(HL)2(NO3)2 the antitumor activity towards human leukemia HL-60 cells was estimated. It was established that coordination compounds manifest better activity than free ligand.Item SYNTHESIS AND ANTITUMOR ACTIVITY OF COPPER, NICKEL AND COBALT COORDINATION COMPOUNDS WITH 1-(2-HYDROXYPHENYL)ETHANONE N(4)-ALLYL-3-THIOSEMICARBAZONE(CEP USM, 2015) Graur, Vasilii; Savcin Serghei; Tsapkov Victor; Gulea, AurelianThe paper presents the synthesis of the ligand 1-(2-hydroxyphenyl)ethanone N(4)-allyl-3-thiosemicarbazone (H 2 L) and six coordination compounds of copper, nickel and cobalt with this ligand. The structure of thiosemicarbazone H 2 L was studied using 1 H and 13 С NMR spectroscopy. The synthesized coordination compounds were studied using elemental analysis, gravimetric analysis of water content, molar conductivity, and magnetochemistry. For H 2 L the antitumor activity towards human leukemia HL-60 cells and cervical cancer HeLa cells was dete rmined. It was established that the substitution of hydrogen atom with methyl group in the azomethinic fragment leads to the growth of antitumor activity.