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1

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

Alexandru C. Razus, Simona Nica, Liliana Cristian, Matei Raicopol, Liviu Birzan, Andreea Eugenia Dragu

Journal:

Dyes and Pigments

Year:

2011

Language:

english

File:

PDF, 404 KB

english, 2011

2

Azo-Azulene Derivatives as Second-Order Nonlinear Optical Chromophores

Pascal G. Lacroix, Isabelle Malfant, Gabriel Iftime, Alexandru C. Razus, Keitaro Nakatani, Jacques A. Delaire

Journal:

Chemistry - A European Journal

Year:

2000

Language:

english

File:

PDF, 279 KB

english, 2000

3

ChemInform Abstract: Synthesis and Properties of Spiro[cyclopropane-1,2′-(2′,3′-dihydro-1H-phenalen)]-3′-ol Derivatives.

Alexandru C. Razus, Cecilia Buda

Journal:

Year:

2000

File:

PDF, 32 KB

2000

4

ChemInform Abstract: Syntheses of Polycyclic Compounds by Oxidative Coupling of Azulene-1-azoarenes.

Alexandru C. Razus

Journal:

Year:

2000

File:

PDF, 24 KB

2000

5

ChemInform Abstract: Oxidative Benzylic Substitution of Azulene-1-azo(4′-methylbenzene)s.

Alexandru C. Razus, Carmen Nitu

Journal:

Year:

2000

File:

PDF, 34 KB

2000

6

ChemInform Abstract: Halogenation of 1-Arylazo-azulenes.

Alexandru C. Razus, Liviu Birzan, Stefan A. Razus, Viorica Horga

Journal:

Year:

2000

File:

PDF, 28 KB

2000

7

ChemInform Abstract: Behavior of Unsaturated Methyl Esters with Cyclopentaneacetic Acid Skeleton in the Presence of Mild Lewis Acids. Alkylation versus Addition and Lactonization.

Alexandru C. Razus, Stefania Nae, Cornel Stanciu

Journal:

Year:

2001

File:

PDF, 27 KB

2001

8

ChemInform Abstract: Synthesis and Reactions of N-(Azulen-1-ylmethylene)arylamines.

Alexandru C. Razus, Carmen Nitu, Simona Carvaci, Liviu Birzan, Stefan A. Razus, Mihaela Pop, Laszlo Tarko

Journal:

Year:

2001

File:

PDF, 36 KB

2001

9

ChemInform Abstract: Azulene-1-azopyridines. Synthesis and N-Alkylation at Pyridine Moiety.

Alexandru C. Razus, Liviu Birzan, Stefania Nae, Stefan A. Razus, Valentin Cimpeanu, Corneliu Stanciu

Journal:

Year:

2002

File:

PDF, 27 KB

2002

10

2-Substituted (Azulen-1-yl)ethenes.

Alexandru C. Razus, Carmen Nitu, Victorita Tecuceanu, Valentin Cimpeanu

Journal:

Year:

2004

Language:

english

File:

PDF, 200 KB

english, 2004

11

3-Substituted Azulene-1-azo(4′-methylbenzenes). Preparation and Study of Spectral Characteristics.

Alexandru C. Razus, Liviu Birzan, Stefania Nae, Liliana Cristian, Filip Chiraleu, Maria Maganu, Valentin Cimpeanu, Laszlo Tarko

Journal:

Year:

2004

File:

PDF, 72 KB

2004

12

Azulene-1-azo-2′-thiazoles. Synthesis and Properties.

Alexandru C. Razus, Liviu Birzan, Stefania Nae, Mirela Nina Surugiu, Valentin Cimpeanu

Journal:

Year:

2004

File:

PDF, 139 KB

2004

13

Derivatives of spiro-Fused Cyclopropane-Dibenzocycloheptatriene and -Dibenzocyclooctatriene. Synthesis and Properties.

Mircea Pop, Nina Mirela Surugiu, Claudia Pavel, Mirela-Alina Negoescu, Alexandru C. Razus

Journal:

Year:

2005

File:

PDF, 17 KB

2005

14

ChemInform Abstract: Pyranylium Salts as Synthones in the Synthesis of Substituted Benzenes.

Alexandru C. Razus, Simona Nica, Eugenia Andreea Dragu

Journal:

Year:

2010

File:

PDF, 35 KB

2010

15

ChemInform Abstract: 4-(Azulen-1-yl) Six-Membered Heteroaromatics Substituted with Thiophen-2-yl or Furan-2-yl Moieties in 2 and 6 Positions.

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Victorita Tecuceanu, Anamaria Hanganu, Cristian Enache

Journal:

Year:

2012

File:

PDF, 38 KB

2012

16

ChemInform Abstract: Azulen-1-yl Diazenes Substituted at C-3 with Phenyl-Chalcogene Moieties: Dye Synthesis, Product Characterization and Properties.

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Eugenia Andreea Dragu, Anamaria Hanganu

Journal:

Year:

2012

File:

PDF, 31 KB

2012

17

2-Substituted (Azulen-1-yl)ethenes

Alexandru C. Razus, Carmen Nitu, Victorita Tecuceanu, Valentin Cimpeanu

Journal:

European Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 179 KB

english, 2003

18

Azulene-1-azo-2′-thiazoles. Synthesis and properties

Alexandru C. Razus, Liviu Birzan, Stefania Nae, Mirela Nina Surugiu, Valentin Cimpeanu

Journal:

Journal of Heterocyclic Chemistry

Year:

2003

Language:

english

File:

PDF, 117 KB

english, 2003

19

Azulene-substituted pyranylium salts. Syntheses and products characterization

Alexandru C. Razus, Liviu Birzan, Claudia Pavel, Oana Lehadus, Andreea Cristina Corbu, Cristian Enache

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 660 KB

english, 2006

20

Azulene-substituted pyridines and pyridinium salts. Synthesis and structure. 2. Azulene-substituted pyridinium salts

Alexandru C. Razus, Liviu Birzan, Claudia Pavel, Oana Lehadus, Andreea Corbu, Filip Chiraleu, Cristian Enache

Journal:

Journal of Heterocyclic Chemistry

Year:

2007

Language:

english

File:

PDF, 579 KB

english, 2007

21

Azulene-substituted pyridines and pyridinium salts. Synthesis and structure. 1. Azulene-substituted pyridines

Alexandru C. Razus, Liviu Birzan, Claudia Pavel, Oana Lehadus, Andreea Corbu, Filip Chiraleu, Cristian Enache

Journal:

Journal of Heterocyclic Chemistry

Year:

2007

Language:

english

File:

PDF, 347 KB

english, 2007

22

2-(Azulen-1-yl)-4,6-diphenyl substituted six-membered heteroaromatics

Alexandru C. Razus, Liviu Birzan, Oana Zaharia, Cristian Enache

Journal:

Journal of Heterocyclic Chemistry

Year:

2008

Language:

english

File:

PDF, 652 KB

english, 2008

23

4-(Azulen-1-yl) six-membered heteroaromatics substituted with thiophen-2-yl or furan-2-yl moieties in 2 and 6 positions

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Victorita Tecuceanu, Anamaria Hanganu, Cristian Enache

Journal:

Journal of Heterocyclic Chemistry

Year:

2011

Language:

english

File:

PDF, 226 KB

english, 2011

24

Electrochemical chlorination of azulene derivatives: Insight into the mechanism of anodic oxidative chlorination

Eleonora M. Ungureanu, Alexandru. C. Razus, Liviu Birzan, George Buica, Mariana Cretu, Enache Cristian

Journal:

Electrochimica Acta

Year:

2006

Language:

english

File:

PDF, 1.06 MB

english, 2006

25

Films of poly(4-azulen-1-yl-2,6-bis(2-thienyl)pyridine) for heavy metal ions complexation

George-Octavian Buica, Eleonora-Mihaela Ungureanu, Liviu Birzan, Alexandru C. Razus, Magdalena-Rodica Bujduveanu

Journal:

Electrochimica Acta

Year:

2011

Language:

english

File:

PDF, 1.25 MB

english, 2011

26

Novel mono- and bis-azo dyes containing the azulen-1-yl moiety: Synthesis, characterization, electronic spectra and basicity

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Victorita Tecuceanu, Liliana Blanariu, Cristian Enache

Journal:

Dyes and Pigments

Year:

2009

Language:

english

File:

PDF, 378 KB

english, 2009

27

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

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Bogdan Popa

Journal:

Dyes and Pigments

Year:

2009

Language:

english

File:

PDF, 496 KB

english, 2009

28

Erratum to “Novel mono- and bis-azo dyes containing the azulen-1-yl moiety: Synthesis, characterization, electronic spectra and basicity” [Dyes and Pigments 2009, 80, 337-42]

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Victorita Tecuceanu, Liliana Blanariu, Cristian Enache

Journal:

Dyes and Pigments

Year:

2009

Language:

english

File:

PDF, 55 KB

english, 2009

29

Investigation on the correlation between the structure of azulen-1-yl-benzothiazol-2-yl diazenes and their properties. Acidity and electrochemical redox potentials

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Eleonora-Mihaela Ungureanu, Mariana-Stefania Cretu

Journal:

Dyes and Pigments

Year:

2010

Language:

english

File:

PDF, 526 KB

english, 2010

30

Electrochemical study of azo–azulene compounds

Eleonora-Mihaela Ungureanu, Alexandru C. Razus, Liviu Birzan, Mariana-Stefania Cretu, George-Octavian Buica

Journal:

Electrochimica Acta

Year:

2008

Language:

english

File:

PDF, 1.49 MB

english, 2008

31

Synthesis and properties of [1,6′]biazulenyl compounds

Alexandru C. Razus, Claudia Pavel, Oana Lehadus, Simona Nica, Liviu Birzan

Journal:

Year:

2008

Language:

english

File:

PDF, 191 KB

english, 2008

32

Reductive coupling of (azulen-1-yl)carbonyl compounds by low-valent titanium; pinacol/pinacolone rearrangement versus pinacol and alkene generation

Alexandru C. Razus, Eugenia Andreea Dragu, Simona Nica, Alina Nicolescu

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 382 KB

english, 2011

33

Push-pull azulene-based chromophores with nonlinear optical properties

Gabriel Iftime, Pascal G. Lacroix, Keitaro Nakatani, Alexandru C. Razus

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 266 KB

english, 1998

34

Azulene-1-azopyridine 1′-oxides

Alexandru C. Razus, Liviu Birzan, Stefania Nae, Liliana Cristian, Filip Chiraleu, Valentin Cimpeanu

Journal:

Dyes and Pigments

Year:

2003

Language:

english

File:

PDF, 260 KB

english, 2003

35

Study on 5-(azulen-1-ylmethylene)-2,2-dimethyl-1,3-dioxane-4,6-diones by electrochemical methods

Eleonora-Mihaela Ungureanu, George-Octavian Buica, Alexandru Razus, Liviu Birzan, Elena Diana Giol

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2011

Language:

english

File:

PDF, 500 KB

english, 2011

36

Azulen-1-yl diazenes substituted at C-3 with phenyl-chalcogene moieties: dye synthesis, product characterization and properties

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Eugenia Andreea Dragu, Anamaria Hanganu

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2011

Language:

english

File:

PDF, 375 KB

english, 2011

37

Syntheses of azulen-1-yl-benzothiazol-2-yl diazenes

Alexandru C. Razus, Liviu Birzan, Nina Mirela Surugiu, Andreea Cristina Corbu, Filip Chiraleu

Journal:

Dyes and Pigments

Year:

2007

Language:

english

File:

PDF, 244 KB

english, 2007

38

Electrosynthesis and characterization of poly(2-[(E)-2-azulen-1-ylvinyl] thiophene) using polyazulene as model compound

Cecilia Lete, Beatriz Meana Esteban, Carita Kvarnström, Alexandru C. Razus, Ari Ivaska

Journal:

Electrochimica Acta

Year:

2007

Language:

english

File:

PDF, 1.38 MB

english, 2007

39

Donating Strength of Azulene in Various Azulen-1-yl-Substituted Cationic Dyes: Application in Nonlinear Optics

Cristian, Liliana, Sasaki, Isabelle, Lacroix, Pascal G., Donnadieu, Bruno, Asselberghs, Inge, Clays, Koen, Razus, Alexandru C.

Journal:

Chemistry of Materials

Year:

2004

Language:

english

File:

PDF, 171 KB

english, 2004

40

Extended aromatic π-electron conjugated dyes with three azo bonds and either one or two azulen-1-yl moieties in molecule. Synthesis and basicity

Alexandru C. Razus, Liviu Birzan, Mihaela Cristea, Victorita Tecuceanu, Cristian Enache

Journal:

Dyes and Pigments

Year:

2012

Language:

english

File:

PDF, 739 KB

english, 2012

41

Synthesis, solid-state photophysical properties and electropolymerization of novel diazulenyl ethenes

Eugenia Andreea Dragu, Simona Nica, Matei Raicopol, Adriana Baran, Dan-Florin Anghel, Bogdan Cojocaru, Laszlo Tarko, Alexandru C. Razus

Journal:

Tetrahedron Letters

Year:

2012

Language:

english

File:

PDF, 572 KB

english, 2012

42

Synthesis and reactions of N-(azulen-1-ylmethylene)arylamines †

Razus, Alexandru C., Nitu, Carmen, Carvaci, Simona, Birzan, Liviu, Razus, Stefan A., Pop, Mihaela, Tarko, Laszlo

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2001

Language:

english

File:

PDF, 187 KB

english, 2001

43

Voltammetric sensing of lead and cadmium using poly(4-azulen-1-yl-2,6-bis(2-thienyl)pyridine) complexing films

Buica, George-Octavian, Ungureanu, Eleonora-Mihaela, Birzan, Liviu, Razus, Alexandru C., Mandoc (Popescu), Luisa-Roxana

Journal:

Journal of Electroanalytical Chemistry

Year:

2013

Language:

english

File:

PDF, 352 KB

english, 2013

44

Synthesis and Electrochemical Properties of Carbocyclic and Heterocyclic Diazulenylethenes

Dragu, Eugenia Andreea, Nica, Simona, Tecuceanu, Victorita, Bala, Daniela, Mihailciuc, Constantin, Hanganu, Anamaria, Razus, Alexandru C.

Journal:

European Journal of Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 1.25 MB

english, 2013

45

Basicity and the electrochemical behavior of azulen-1-yl-thiazol-2-yl diazenes

Razus, Alexandru C., Birzan, Liviu, Cristea, Mihaela, Tecuceanu, Victorita, Draghici, Constantin

Journal:

Dyes and Pigments

Year:

2014

Language:

english

File:

PDF, 1.05 MB

english, 2014

46

Syntheses of polycyclic compounds by oxidative coupling of azulene-1-azoarenes

Razus, Alexandru C.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2000

Language:

english

File:

PDF, 172 KB

english, 2000

47

Oxidative benzylic substitution of azulene-1-azo(4′-methylbenzene)s

Razus, Alexandru C., Nitu, Carmen

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2000

Language:

english

File:

PDF, 157 KB

english, 2000

48

Pyranylium Salts as Synthones in the Synthesis of Substituted Benzenes

Razus, Alexandru C., Nica, Simona, Dragu, Eugenia Andreea

Journal:

Synthetic Communications

Year:

2009

Language:

english

File:

PDF, 299 KB

english, 2009

49

AZULENE-1-AZOPYRIDINES. SYNTHESIS AND N -ALKYLATION AT PYRIDINE MOIETY

Razus, Alexandru C., Birzan, Liviu, Nae, Stefania, Razus, Stefan A., Cimpeanu, Valentin, Stanciu, Corneliu

Journal:

Synthetic Communications

Year:

2002

Language:

english

File:

PDF, 161 KB

english, 2002

50

Oxidation of 1-(4′-substituted phenyl)-2-(4-methylphenyl)diazene Benzylic substitution vs. Cazo bond breaking

Razus, Alexandru C, Nitu, Carmen, Pavel, Claudia, Ciuculescu, Crinu-Anghel, Cimpeanu, Valentin, Stanciu, Corneliu, Power, Philip P

Journal:

Canadian Journal of Chemistry

Year:

2005

Language:

english

File:

PDF, 338 KB

english, 2005

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