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Ultima descărcare din IBN: 2023-05-05 01:37 |
SM ISO690:2012 COCU, Maria, GRĂDINARU, Julieta, REVENCO, Mihail, RYBAK-AKIMOVA, E, GĂRBĂLĂU, Nicolae. Design and synthesis of coordination compounds with tetradentate ligands derived from alkylated thiosemicarbazide
. In: Chemistry Journal of Moldova, 2008, nr. 2(3), pp. 38-46. ISSN 1857-1727. |
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Chemistry Journal of Moldova | ||||||
Numărul 2(3) / 2008 / ISSN 1857-1727 /ISSNe 2345-1688 | ||||||
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Pag. 38-46 | ||||||
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This work is devoted to the investigation of the template reactions of organic compounds derived from S-alkylisothiosemicarbazide and β-dicarbonylic compounds (acetyl(benzoyl)acetone, 2,6-diformylpyridine, 2,6-diformyl-4-methylphenol, 1-hydroxy-2-naphthaldehyde, sodium nitromalonic dialdehyde, 1,1,3,3-tetraetoxypropane, 3-ethoxyacroleine) in the presence of 3d-metal ions, determination of the structure and
properties of the prepared complexes. There were elaborated original methods for synthesis of open-chain or macrocyclic coordination compounds of nickel(II), copper(II),oxovanadium(IV) and cobalt(II) with N4, N3O and N2O2 tetradentate ligands. Two types of hexaazamacrocyclic systems with trans- and cis- arrangement of thiosemicarbazide fragments have been obtained
using template condensation of different precursors. The biostimulative properties (biomass accumulation and increasing of enzymatic activity) of complexes have been established. Some complexes of nickel(II) have been studied as coloring agents for plastics.
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Cuvinte-cheie Template synthesis; coordination compounds; 3d-metal complexes; Schiff base; S-alkylisothiosemicarbazide |
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