Zobrazeno 1 - 10 of 20 pro vyhledávání: '"Diana Dragancea"'
1
Akademický článek
Crystal structure and NMR spectroscopic characterization of 1,5-bis(2-hydroxy-3-methoxybenzylidene)carbonohydrazide
Autor: Natalia Talmaci, Diana Dragancea, Elena Gorincioi, Pavlina Bourosh, Victor Kravtsov
Publikováno v: Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 18, Iss 2, Pp 53-60 (2023)
The solid-state structure of a symmetrical carbohydrazone, namely 1,5-bis(2-hydroxy-3-methoxybenzylidene)carbonohydrazide was determined by X-ray single crystal diffraction method. Compound 1 crystallizes in the monoclinic space group P21/n with unit
Externí odkaz: https://doaj.org/article/d796024d6f7e43e6ac6e7a2f0e525856
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2
Akademický článek
Oxido- and Dioxidovanadium(V) Complexes with O-vanillin Semicarbazone: Synthesis and Crystal Structure
Autor: Lidia Cuba, Paulina Bourosh, Victor Kravtsov, Elena Gorincioi, Diana Dragancea
Publikováno v: Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 13, Iss 1, Pp 36-45 (2018)
Two vanadium(V) complexes comprising VO3+ and VO2+ cores with o-vanillin semicarbazone (H2L) have been synthesized and characterized by IR, NMR spectroscopies and single-crystal X-ray diffraction study. The coordination polyhedra are a O5N distorted
Externí odkaz: https://doaj.org/article/92ba4174b01f4c0c93e6198d2a09792b
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3
Akademický článek
New Cyanido-Bridged Heterometallic 3d-4f 1D Coordination Polymers: Synthesis, Crystal Structures and Magnetic Properties
Autor: Diana Dragancea, Ghenadie Novitchi, Augustin M. Mădălan, Marius Andruh
Publikováno v: Magnetochemistry, Vol 7, Iss 5, p 57 (2021)
Three new 1D cyanido-bridged 3d-4f coordination polymers, {[Gd(L)(H2O)2Fe(CN)6]·H2O}n (1GdFe), {[Dy(L)(H2O)2Fe(CN)6]·3H2O}n (2DyFe), and {[Dy(L)(H2O)2Co(CN)6]·H2O}n (3DyCo), were assembled following the building-block approach (L = pentadentate bi
Externí odkaz: https://doaj.org/article/04af0d8c2b6045a184062f64a0844fb5
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4
Akademický článek
NICKEL(III) COMPLEX DERIVED FROM 2-HYDROXY-3-METHOXYBENZALDEHYDE SEMICARBAZONE AND 2,2’-BIPYRIDINE
Autor: Carolina Vomisescu, Paulina Bourosh, Victor Kravtsov, Diana Dragancea
Publikováno v: Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 8, Iss 2, Pp 78-82 (2013)
An ONO tridentate semicarbazone Schiff base and a bidentate dipyridyl ligand give a nickel(II) dimer, where atom centers are bridged by phenolate oxygen donors.
Externí odkaz: https://doaj.org/article/34ec7e7ead034e0ba4575c50b879c504
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5
Akademický článek
SYNTHESIS, CHARACTERIZATION AND CRYSTAL STRUCTURE OF BIS-(2-HYDROXYBENZALDEHYDE)DIAMINOGUANIZONE
Autor: Diana Dragancea, Vladimir B. Arion, Sergiu Shova, Vladimir B. Arion, Sergiu Shova
Publikováno v: Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, Vol 3, Iss 2, Pp 119-121 (2008)
The new ligand, bis(2-hydroxybenzaldehyde)diaminoguanizone (1) has been synthesized and characterized by elemental analysis, IR and 1H NMR spectroscopies. The crystal structure of the compound was determined by X-ray diffraction. The ligand C15H15N5O
Externí odkaz: https://doaj.org/article/18a88743bc50402681be37f171331e51
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7
New Cyanido-Bridged Heterometallic 3d-4f 1D Coordination Polymers: Synthesis, Crystal Structures and Magnetic Properties
Autor: Augustin M. Madalan, Diana Dragancea, Marius Andruh, Ghenadie Novitchi
Publikováno v: Magnetochemistry
Magnetochemistry; Volume 7; Issue 5; Pages: 57
Magnetochemistry, Vol 7, Iss 57, p 57 (2021)
Three new 1D cyanido-bridged 3d-4f coordination polymers, {[Gd(L)(H2O)2Fe(CN)6]·H2O}n(1GdFe), {[Dy(L)(H2O)2Fe(CN)6]·3H2O}n(2DyFe), and {[Dy(L)(H2O)2Co(CN)6]·H2O}n(3DyCo), were assembled following the building-block approach (L = pentadentatebis-se
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7cdc42f5cfc4f440102cd30183e4362
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8
Vanadium(V) Complexes with Substituted 1,5-bis(2-hydroxybenzaldehyde)carbohydrazones and Their Use As Catalyst Precursors in Oxidation of Cyclohexane
Autor: Luísa M. D. R. S. Martins, Sergiu Shova, Nuno M. R. Martins, Ghenadie Novitchi, Denisa Darvasiová, Markus Galanski, Martin Breza, Peter Rapta, Natalia Talmaci, Jozef Kožíšek, Vladimir B. Arion, Diana Dragancea, Armando J. L. Pombeiro
Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Six dinuclear vanadium(V) complexes have been synthesized: NH4[(VO2)2((H)LH)] (NH4[1]), NH4[(VO2)2((t-Bu)LH)] (NH4[2]), NH4[(VO2)2((Cl)LH)] (NH4[3]), [(VO2)(VO)((H)LH)(CH3O)] (4), [(VO2)(VO)((t-Bu)LH)(C2H5O)] (5), and [(VO2)(VO)((Cl)LH)(CH3O)(CH3OH/H
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b1e9ac76d43f0dfc5070d4603a1a94e
https://doi.org/10.1021/acs.inorgchem.6b01011
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9
Aggregation of [Ln] clusters by the dianion of 3-formylsalicylic acid. Synthesis, crystal structures, magnetic and luminescence properties
Autor: Alina S, Dinca, Alexei, Mindru, Diana, Dragancea, Carmen, Tiseanu, Sergiu, Shova, Samuele, Cornia, Luca M, Carrella, Eva, Rentschler, Marco, Affronte, Marius, Andruh
Publikováno v: Dalton transactions (Cambridge, England : 2003). 48(5)
Three isostrucutral dodecanuclear clusters with the general formula [Ln12(fsa)12(μf3-OH)12(DMF)12]·nDMF (fsa2- is the dianion of 3-formylsalicylic acid; Ln = Eu 1, Gd 2, Dy 3) have been obtained from the reaction of fromylsalicyclic acid (H2fsa), t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::18f5a02db7c4baa029ae6f99ef004b75
https://pubmed.ncbi.nlm.nih.gov/30623942
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10
Aggregation of [Ln(12)(III)] clusters by the dianion of 3-formylsalicylic acid. Synthesis, crystal structures, magnetic and luminescence properties
Autor: Diana Dragancea, Alina S. Dinca, Luca M. Carrella, Marco Affronte, Sergiu Shova, Carmen Tiseanu, Samuele Cornia, Marius Andruh, Alexei Mindru, Eva Rentschler
Publikováno v: Dalton transactions (2003. Print) 48 (2019): 1700–1708. doi:10.1039/c8dt04602f
info:cnr-pdr/source/autori:Dinca, Alina S.; Mindru, Alexei; Dragancea, Diana; Tiseanu, Carmen; Shova, Sergiu; Cornia, Samuele; Carrella, Luca M.; Rentschler, Eva; Affronte, Marco; Andruh, Marius/titolo:Aggregation of [Ln(12)(III)] clusters by the dianion of 3-formylsalicylic acid. Synthesis, crystal structures, magnetic and luminescence properties/doi:10.1039%2Fc8dt04602f/rivista:Dalton transactions (2003. Print)/anno:2019/pagina_da:1700/pagina_a:1708/intervallo_pagine:1700–1708/volume:48
Three isostrucutral dodecanuclear clusters with the general formula [Ln(12)(fsa)(12)(mu f(3)-OH)(12)(DMF)(12)]center dot nDMF (fsa(2-) is the dianion of 3-formylsalicylic acid; Ln = Eu 1, Gd 2, Dy 3) have been obtained from the reaction of fromylsali
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cb60b021dc865ba378db71ec65fb72f
https://publications.cnr.it/doc/402568
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