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L. Bîrzan · SciRah

Researcher profile · Semantic Scholar

L. Bîrzan

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L. Bîrzan — researcher profile on SciRah

h-index: 13
Works: 103
Citations: 589

Most-cited papers

Syntheses of azulen-1-yl-benzothiazol-2-yl diazenes
A. C. Razus, L. Bîrzan, Nina Mirela Surugiu, A. Corbu +1 more
200754 citations
Semantic Scholar
Voltammetric sensing of lead and cadmium using poly(4-azulen-1-yl-2,6-bis(2-thienyl)pyridine) complexing films
G. Buica, E. Ungureanu, L. Bîrzan, A. Razus +1 more
201340 citations
Semantic Scholar
1-Phenylselanylazulenes: synthesis and selenium atom oxidation
A. Razus, L. Bîrzan, A. Hanganu, Mihaela Cristea +3 more
2014Chemical Monthly29 citations
Semantic Scholar
Films of poly(4-azulen-1-yl-2,6-bis(2-thienyl)pyridine) for heavy metal ions complexation
G. Buica, E. Ungureanu, L. Bîrzan, A. Razus +1 more
201126 citations
Semantic Scholar
Electrochemical study of azo–azulene compounds
E. Ungureanu, A. Razus, L. Bîrzan, Mariana-Stefania Cretu +1 more
200724 citations
Semantic Scholar
Azulene-ethylenediaminetetraacetic acid: A versatile molecule for colorimetric and electrochemical sensors for metal ions
G. Buica, I. Lazar, L. Bîrzan, Cecilia Lete +5 more
201823 citations
Semantic Scholar
Novel mono- and bis-azo dyes containing the azulen-1-yl moiety: Synthesis, characterization, electronic spectra and basicity
A. Razus, L. Bîrzan, Mihaela Cristea, V. Tecuceanu +2 more
200920 citations
Semantic Scholar
Azulene-1-azopyridine 1′-oxides
A. Razus, L. Bîrzan, Stefania Nae, Liliana Cristian +2 more
200317 citations
Semantic Scholar
4-(Azulen-1-yl) six-membered heteroaromatics substituted in 2- and 6- positions with 2-(2-furyl)vinyl, 2-(2-thienyl)vinyl or 2-(3-thienyl)vinyl moieties
L. Bîrzan, Mihaela Cristea, C. Draghici, V. Tecuceanu +3 more
201716 citations
Semantic Scholar
Colorimetric and voltammetric sensing of mercury ions using 2,2′-(ethane-1,2-diylbis((2-(azulen-2-ylamino)-2-oxoethyl)azanediyl))diacetic acid
G. Buica, A. Ivanov, I. Lazar, G. Tatu +3 more
2019Journal of Electroanalytical Chemistry15 citations
Semantic Scholar
AZULENE-1-AZOPYRIDINES. SYNTHESIS AND N-ALKYLATION AT PYRIDINE MOIETY
A. Razus, L. Bîrzan, Stefania Nae, Stefan A. Razus +2 more
200215 citations
Semantic Scholar
4‐(Azulen‐1‐yl) six‐membered heteroaromatics substituted with thiophen‐2‐yl or furan‐2‐yl moieties in 2 and 6 positions
A. Razus, L. Bîrzan, Mihaela Cristea, V. Tecuceanu +2 more
201114 citations
Semantic Scholar
Investigation on the correlation between the structure of azulen-1-yl-benzothiazol-2-yl diazenes and their properties. Acidity and electrochemical redox potentials
A. Razus, L. Bîrzan, Mihaela Cristea, E. Ungureanu +1 more
201014 citations
Semantic Scholar
Synthesis and physico-chemical properties of highly conjugated azo-aromatic systems. 4-(azulen-1-yl)-pyridines with mono- and bis azo-aromatic moieties at C3-position of azulene
A. Razus, Simona Nica, Liliana Cristian, M. Raicopol +2 more
201113 citations
Semantic Scholar
1-vinylazulenes – potential host molecules in ligands for metal ion detectors
L. Bîrzan, Mihaela Cristea, C. Draghici, V. Tecuceanu +5 more
201612 citations
Semantic Scholar
Azulene-substituted pyridines and pyridinium salts. Synthesis and structure. 1. Azulene-substituted pyridines
A. Razus, L. Bîrzan, Claudia Pavel, Oana Lehadus +3 more
200712 citations
Semantic Scholar
Electrochemical chlorination of azulene derivatives: Insight into the mechanism of anodic oxidative chlorination
E. Ungureanu, A. Razus, L. Bîrzan, G. Buica +2 more
200612 citations
Semantic Scholar
Azulene-1-azo-2′-thiazoles.† Synthesis and properties
A. Razus, L. Bîrzan, Stefania Nae, Mirela Nina Surugiu +1 more
200312 citations
Semantic Scholar
Azulene‐substituted pyranylium salts. Syntheses and products characterization
A. Razus, L. Bîrzan, Claudia Pavel, Oana Lehadus +2 more
200611 citations
Semantic Scholar
Modified Electrodes Based on Poly[(2E)-2-(Azulen-1-ylmethylidene)hydrazinecarbothioamide] for Heavy Metal Ions Complexation
G. Buica, L. Bîrzan, V. Tecuceanu, A. Razus +2 more
201710 citations
Semantic Scholar
Vinylazulenes chromophores: Synthesis and characterization
L. Bîrzan, Mihaela Cristea, C. Draghici, V. Tecuceanu +5 more
201610 citations
Semantic Scholar
Synthesis and properties of [1,6′]biazulenyl compounds
A. Razus, Claudia Pavel, Oana Lehadus, Simona Nica +1 more
200810 citations
Semantic Scholar
Synthesis and reactions of N-(azulen-1-ylmethylene)arylamines
A. Razus, C. Nitu, Simona Carvaci, L. Bîrzan +3 more
20019 citations
Semantic Scholar
Electrochemical and spectral studies of rhodanine in view of heavy metals determination
Ovidiu-Teodor Matica, A. Brotea, E. Ungureanu, Luisa-Roxana Popescu Mandoc +1 more
2022Electrochemical Science Advances8 citations Open access
Semantic Scholar
Polyazulene-Based Materials for Heavy Metal Ion Detection. 2. (E)-5-(azulen-1-yldiazenyl)-1H-Tetrazole-Modified Electrodes for Heavy Metal Sensing
Laura-Bianca Enache, Veronica Anăstăsoaie, L. Bîrzan, E. Ungureanu +2 more
2020Coatings8 citations Open access
Semantic Scholar
Synthesis of azulenic compounds substituted in the 1-position with heterocycles
A. Razus, L. Bîrzan
2018Chemical Monthly8 citations
Semantic Scholar
Extended aromatic π-electron conjugated dyes with three azo bonds and either one or two azulen-1-yl moieties in molecule. Synthesis and basicity
A. Razus, L. Bîrzan, Mihaela Cristea, V. Tecuceanu +1 more
20128 citations
Semantic Scholar
Aromatic diazenes containing azulen-1-yl moieties Part 2: The synthesis, characterization, electronic spectra and basicity of novel, bis aromatic diazenes containing two azulen-1-yl moieties
A. Razus, L. Bîrzan, Mihaela Cristea, Bogdan-Alexandru Popa
20098 citations
Semantic Scholar
Electrochemical Comparison on New (Z)-5-(Azulen-1-Ylmethylene)-2-Thioxo-Thiazolidin-4-Ones
E. Ungureanu, Mariana Popescu, G. Tatu, L. Bîrzan +3 more
2021Symmetry7 citations Open access
Semantic Scholar
Synthesis and properties of azulene-containing 1,3-dioxanes
A. Razus, L. Bîrzan, Liliana Cristian, V. Tecuceanu
20097 citations Open access
Semantic Scholar
1-Vinylazulenes with Oxazolonic Ring-Potential Ligands for Metal Ion Detectors; Synthesis and Products Properties
Mihaela Cristea, L. Bîrzan, F. Dumitrascu, Cristian Enache +7 more
2021Symmetry6 citations Open access
Semantic Scholar
A DSC study of new compounds based on (E)-3-(azulen-1-yldiazenyl)-1,2,5-oxadiazole
A. Musuc, L. Bîrzan, Mihaela Cristea, D. Razus +2 more
2020Journal of Thermal Analysis and Calorimetry6 citations
Semantic Scholar
DFT calculations and electrochemical studies on azulene ligands for heavy metal ions detection using chemically modified electrodes
A. Stefaniu, Maria-Daniela Pop, G. Arnold, L. Bîrzan +3 more
20186 citations Open access
Semantic Scholar
Condensation of alkylazulenes with 2-thiophenealdehyde and the corresponding azomethines
A. Razus, L. Bîrzan, V. Tecuceanu, Mihaela Cristea +1 more
20086 citations Open access
Semantic Scholar
1,1'-Biazulene derivatives. Syntheses and reactions
A. Razus, L. Bîrzan, Stefania Nae, C. Nitu +2 more
20026 citations Open access
Semantic Scholar
New (azulen-1-yldiazenyl)-heteroaromatic Compounds Containing 1,2,5-thiadiazol-3-yl Moieties
A. Razus, L. Bîrzan, Mihaela Cristea, V. Tecuceanu +5 more
2019Revista de Chimie5 citations Open access
Semantic Scholar
Polyazulene based materials for heavy metal ions detection
Alexandra Oprisanu, E. Ungureanu, R. Isopescu, L. Bîrzan +2 more
2017Symmetry5 citations Open access
Semantic Scholar
Chemically Modified Electrodes Based on 5-(Azulen-1-yl)methylene)-2-thioxothiazolidin-4-one
E. Diacu, G. Buica, I. Chilibon, L. Bîrzan +2 more
2016Journal of Solution Chemistry5 citations
Semantic Scholar
Electrochemical Study on 4-(azulen-1-yl)-2,6-bis(2-furyl)- and 4-(azulen-1-yl)-2,6-bis(2-thienyl)-pyridines
E. Ungureanu, G. Buica, A. Razus, L. Bîrzan +1 more
20125 citations
Semantic Scholar
Azulen-1-yl diazenes substituted at C-3 with phenyl-chalcogene moieties: dye synthesis, product characterization and properties
A. Razus, L. Bîrzan, Mihaela Cristea, E. Dragu +1 more
20115 citations
Semantic Scholar
5-(Azulen-1-yldiazenyl)tetrazoles; Syntheses and Properties
L. Bîrzan, Mihaela Cristea, V. Tecuceanu, A. Hanganu +2 more
2020Revista de Chimie4 citations Open access
Semantic Scholar
Synthesis of azulenic compounds with a homo- or hetero-atomic double bond at position 1
A. Razus, L. Bîrzan
2018ARKIVOC4 citations Open access
Semantic Scholar
Electrochemical synthesis of azo azulene films
E. Ungureanu, C. Amarandei, D. I. Caval, G. Buica +2 more
20104 citations
Semantic Scholar
2‐(Azulen‐1‐yl)‐4,6‐diphenyl substituted six‐membered heteroaromatics
A. Razus, L. Bîrzan, Oana Zaharia, Cristian Enache
20084 citations
Semantic Scholar
Study of the complexation of diethyl 2-[(E)-3-azulen-1-ylprop-2-enylidene]propanedioate with lanthanide cations
C. Amarandei, G. Buica, G. Inel, L. Bîrzan +1 more
20143 citations
Semantic Scholar
Basicity and the electrochemical behavior of azulen-1-yl-thiazol-2-yl diazenes
A. Razus, L. Bîrzan, Mihaela Cristea, V. Tecuceanu +1 more
20143 citations
Semantic Scholar
Synthesis and electrochemical characterization of substituted indolizine carboxylates
M. Soare, E. Ungureanu, E. Georgescu, L. Bîrzan
20133 citations Open access
Semantic Scholar
2‐(Azulen‐1‐yl)‐4,6‐diphenyl Substituted Six‐Membered Heteroaromatics.
A. Razus, L. Bîrzan, Oana Zaharia, Cristian Enache
20083 citations
Semantic Scholar
Preparation of Azulenes Substituted at Seven-Membered Cycle with 2- and 3-thiophenevinyl Groups
L. Bîrzan, V. Tecuceanu, C. Draghici, A. Hanganu +1 more
20202 citations Open access
Semantic Scholar
The Heavy Metals Sensing Based on 2,6-Bis(-2-(Thiophen-3-yl)Vinyl)-4-(4,6,8-Trimethylazulen-1-yl)Pyrylium Modified Electrodes
I. Lazar, E. Diacu, G. Buica, E. Ungureanu +2 more
20172 citations Open access
Semantic Scholar

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