Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Angela SÎRBU"'
Autor:
Angela SÎRBU, Oleg PALAMARCIUC
Publikováno v:
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, Vol 0, Iss 6(136) (2021)
4-Etiltiosemicarbazona aldehidei 5-sulfosalicilice (NaH2LEt) are structură ionică, este solubilă în apă şi formează cu ionii de nichel(II) un compus coordinativ caracterizat spectral prin maximum de absorbție la 372 nm. Raportul molar de comb
Externí odkaz:
https://doaj.org/article/52cc1320aa4a4642adf492b622203142
Publikováno v:
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, Vol 0, Iss 6 (96) (2017)
În acest articol este realizată sinteza compuşilor Fe(III) cu 4-feniltiosemicarbazona şi 4-fenil-S-metiltiosemicarbazona 2-acetilpiridinei, fiind propus studiul cristalografic şi magnetic al acestor compuşi cât şi studiul spectrofotometri
Externí odkaz:
https://doaj.org/article/5190321fa7bb4d56b37b06cc25eafa01
Publikováno v:
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, Vol 0, Iss 6 (96) (2017)
A fost sintetizată clorura tiosemicarbazonei aldehidei 5-(metilentrimetilamoniu)salicilice în formă de sare ((H2L)Cl∙1.5H2O), iar la interacţiunea acesteia cu diferite săruri de cupru(II) în mediu neutru au fost obţinuţi patru compuşi cu f
Externí odkaz:
https://doaj.org/article/895b1976f62e4a6681aee778f7ce8ae6
Autor:
Angela SÎRBU
Publikováno v:
Studia Universitatis Moldaviae: Stiinte reale si ale naturii, Vol 0, Iss 1 (91) (2016)
Tiosemicarbazona aldehidei 5-(metilentrimetilamoniu)salicilice ([H2L]Cl) are structură ionică, este solubilă în apă şi formează cu ionii de cobalt(II), nichel(II) şi cupru(II) compuşi coloraţi caracterizaţi spestral prin maximum de absorb
Externí odkaz:
https://doaj.org/article/8fab4104357b49f3bb9c5d54eac4b275
Autor:
Michal Hricovíni, Milan Mazúr, Angela Sîrbu, Oleg Palamarciuc, Vladimir B. Arion, Vlasta Brezová
Publikováno v:
Molecules, Vol 23, Iss 4, p 721 (2018)
X- and Q-band electron paramagnetic resonance (EPR) spectroscopy was used to characterize polycrystalline Cu(II) complexes that contained sodium 5-sulfonate salicylaldehyde thiosemicarbazones possessing a hydrogen, methyl, ethyl, or phenyl substituen
Externí odkaz:
https://doaj.org/article/8e023ef45621409e80127419a4f8a7db
Autor:
Angela SÎRBU
Lucrarea conține studiul surselor bibliografice consacrate compușilor coordinativi ai metalelor de tranziție cu chalcogensemicarbazonele în baza aldehidei salicilice cu diferite proprietăți chimice, fizice, structurale, biologice. Tiosemi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70c12a00dd6c720635da67dc0c1fbe72
Autor:
Vladimir B. Arion, Miljan N. M. Milunovic, E. F. Stratulat, Jozef Kožíšek, Nevenka Gligorijević, Sergiu Shova, Oleg Palamarciuc, Éva A. Enyedy, Angela Sîrbu, Ghenadie Novitchi, Aurel Pui, Denisa Darvasiová, Siniša Radulović, Peter Rapta
Publikováno v:
New Journal of Chemistry. 43:1340-1357
A series of six imidazole-derived thiosemicarbazones (HL1–HL6) and their copper(II) complexes (1–6) were synthesised and characterised by analytical, spectroscopic, electrochemical and single crystal X-ray diffraction techniques. In addition, sol
Autor:
Dana Dvoranová, Gabriella Spengler, Sergiu Shova, Marija Ilic, Tatsiana V. Petrasheuskaya, Oleg Palamarciuc, Vladimir B. Arion, Miljan N. M. Milunovic, Angela Sîrbu, Harald H. Sitte, Éva A. Enyedy, Peter Rapta, Gert Lubec, Dan Dumitrescu
Publikováno v:
Biomolecules
Volume 10
Issue 9
Biomolecules, Vol 10, Iss 1213, p 1213 (2020)
Volume 10
Issue 9
Biomolecules, Vol 10, Iss 1213, p 1213 (2020)
A series of four water-soluble salicylaldehyde thiosemicarbazones with a positively charged trimethylammonium moiety ([H2LR]Cl, R = H, Me, Et, Ph) and four copper(II) complexes [Cu(HLR)Cl]Cl (1&ndash
4) were synthesised with the aim to study (i)
4) were synthesised with the aim to study (i)
Autor:
Vladimir B. Arion, Milan Mazúr, Oleg Palamarciuc, Vlasta Brezová, Angela Sîrbu, Michal Hricovíni
Publikováno v:
Molecules, Vol 23, Iss 4, p 721 (2018)
Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry
Molecules; Volume 23; Issue 4; Pages: 721
Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry
Molecules; Volume 23; Issue 4; Pages: 721
X- and Q-band electron paramagnetic resonance (EPR) spectroscopy was used to characterize polycrystalline Cu(II) complexes that contained sodium 5-sulfonate salicylaldehyde thiosemicarbazones possessing a hydrogen, methyl, ethyl, or phenyl substituen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59f3b005bc2403b9d6894b275ff59f8f
https://phaidra.univie.ac.at/o:1063657
https://phaidra.univie.ac.at/o:1063657
Autor:
Vladimir B. Arion, Éva A. Enyedy, Denisa Darvasiová, Sergiu Shova, Maria V. Babak, Kateryna Ohui, Jia Min Lim, Wee Han Ang, Oleg Palamarciuc, Peter Rapta, Angela Sîrbu
Publikováno v:
Dalton transactions (Cambridge, England : 2003). 46(12)
A series of water-soluble sodium salts of 3-formyl-4-hydroxybenzenesulfonic acid thiosemicarbazones (or sodium 5-sulfonate-salicylaldehyde thiosemicarbazones) containing different substituents at the terminal nitrogen atom (H, Me, Et, Ph) and their c