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1

Mechanistic study of the decomposition reactions of azobenzene

Dunja Srzic, Mladen Žinić, Zlatko Meić, Gábor Czira, József Tainás

Journal:

Journal of Mass Spectrometry

Year:

1992

Language:

english

File:

PDF, 403 KB

english, 1992

2

[IEEE 2010 Electric Power Quality and Supply Reliability Conference (PQ) - Kuressaare, Estonia (2010.06.16-2010.06.18)] Proceedings of the 2010 Electric Power Quality and Supply Reliability Conference - Evaluation of voltage dip severity (a proposal)

Dan, Andras, Czira, Zsuzsa, Dobos, Gabor, Farkas, Csaba

Year:

2010

Language:

english

File:

PDF, 220 KB

english, 2010

3

Temperature dependences of ion currents of alcohol clusters under low-temperature secondary ion mass spectrometric conditions

Kosevich, Marina V., Czira, Gábor, Boryak, Oleg A., Shelkovsky, Vadim S., Vékey, Károly

Journal:

Journal of Mass Spectrometry

Year:

1998

Language:

english

File:

PDF, 285 KB

english, 1998

4

Comparison of Positive and Negative Ion Clusters of Methanol and Ethanol Observed by Low Temperature Secondary Ion Mass Spectrometry

Marina V. Kosevich, Gabor Czira, Oleg A. Boryak, Vadim S. Shelkovsky, Karoly Vékey

Journal:

Rapid Communications in Mass Spectrometry

Year:

1997

Language:

english

File:

PDF, 220 KB

english, 1997

5

Darstellung unsubstituierter und mit Chlor kernsubstitutierter [(Trifluormethyl)phenyl]phosphonsäuren nach einem geänderten Doak-Freedman-Verfahren

Egon Klumpp, Gyula Eifert, Peter Boros, János Szulágyi, József Tamás, Gábor Czira

Journal:

European Journal of Inorganic Chemistry

Year:

1989

File:

PDF, 211 KB

1989

6

ChemInform Abstract: Simple and Condensed β-Lactams. Part 31. Acid-Catalyzed Ring Closures and Ring Transformations of Some 3-Aryloxy-4-oxoazetidine-2-carbaldehydes.

Ferenc Bertha, Jozsef Fetter, Maria Kajtar-Peredy, Karoly Lempert, Gabor Czira

Journal:

Year:

1999

File:

PDF, 36 KB

1999

7

ChemInform Abstract: Simple and Condensed β-Lactams. Part 32. Base- and Acid-Catalyzed Ring Expansions of 3-Substituted 4-Acetylazetidin-2-ones and Related Compounds.

Attila Sapi, Jozsef Fetter, Karoly Lempert, Maria Kajtar-Peredy, Gabor Czira

Journal:

Year:

1999

File:

PDF, 34 KB

1999

8

ChemInform Abstract: Simple and Condensed β-Lactams. Part 34. Oxidative Cyclization by Lead(IV) Acetate of 1-(4-Methoxyphenyl)-4-(tetrazol-5-ylmethyl)azetidin-2-ones to 3-Methoxy-9,9a-dihydroazeto[1,2-a]tetrazolo[5,1-d] [1,5]benzodiazepin-11(10H)-ones and Related Reactions.

Le Thanh Giang, Jozsef Fetter, Maria Kajtar-Peredy, Karoly Lempert, Ferenc Bertha, Gyoergy M. Keseru, Gabor Czira, Tibor Czuppon

Journal:

Year:

1999

File:

PDF, 35 KB

1999

9

ChemInform Abstract: Simple and Condensed β-Lactams. Part 35. Acetoxylation of β-Lactams with Lead(IV) Acetate.

Le Thanh Giang Le Thanh Giang, Jozsef Fetter, Maria Kajtar-Peredy, Karoly Lempert, Gabor Czira

Journal:

Year:

2000

File:

PDF, 39 KB

2000

10

ChemInform Abstract: Oxidative Cyclization of Some 1-Aryl-5-(tetrazol-5-ylmethyl)pyrrolidin-2-ones and of a Related Piperidin-2-one. Preparation of Fused Tetracyclic Tetrazolobenzodiazepinone Derivatives.

Le Thanh Giang Le Thanh Giang, Jozsef Fetter, Maria Kajtar-Peredy, Karoly Lempert, Ferenc Bertha, Gyoergy M. Keserue, Gabor Czira

Journal:

Year:

2000

File:

PDF, 30 KB

2000

11

ChemInform Abstract: The Reaction of 2-(Tetrazol-5-yl)alkyl Ketones and of 2-(Tetrazol-5-yl)alkanoic Acid Derivatives with Lead Tetraacetate. A Novel Method of Preparation of Alk-2-ynyl Ketones and Alk-2-ynoic Acid Derivatives.

Jozsef Fetter, Ildiko Nagy, Le Thanh Giang, Maria Kajtar-Peredy, Antal Rockenbauer, Laszlo Korecz, Gabor Czira

Journal:

Year:

2001

Language:

english

File:

PDF, 39 KB

english, 2001

12

ChemInform Abstract: Useful Base Promoted Elaborations of Oxiranyl Ethers.

Angelika Thurner, Ferenc Faigl, Laszlo Toke, Alessandro Mordini, Michela Valacchi, Gianna Reginato, Gabor Czira

Journal:

Year:

2002

File:

PDF, 34 KB

2002

13

ChemInform Abstract: Relative Migratory Aptitudes of Hydrogen, Benzoyl, 4-Methoxyphenyl and 4-Nitrophenyl Groups in Some Unsaturated Carbenes (Vinylidenes).

Ferenc Bertha, Jozsef Fetter, Karoly Lempert, Maria Kajtar-Peredy, Gabor Czira, Erno Koltai

Journal:

Year:

2002

File:

PDF, 26 KB

2002

14

Oxidative Fragmentations of Some Azolyl Ketones and Related Compounds Induced by Cerium(IV) Ammonium Nitrate (CAN).

Ferenc Bertha, Le Thanh Giang, Jozsef Fetter, Maria Kajtar-Peredy, Karoly Lempert, Gabor Czira

Journal:

Year:

2004

Language:

english

File:

PDF, 130 KB

english, 2004

15

Studies into the Synthesis of Azolopyrrolidinobenzodiazepinones and Related Compounds. Oxidative Cyclizations, Oxidative Fragmentations and Oxidative Rearrangements in the Reactions of Azolylmethyl-N-phenyl-lactams and Related Compounds with Cerium(IV) Ammonium Nitrate.

Ferenc Bertha, Le Thanh Giang, Jozsef Fetter, Maria Kajtar-Peredy, Karoly Lempert, Ildiko Nagy, Gabor Czira

Journal:

Year:

2004

Language:

english

File:

PDF, 125 KB

english, 2004

16

Reductive Dehalogenation of 4-Halogenomethyl Azetidin-2-one Derivatives. Synthesis of (4-Oxo-azetidin-2-yl)acetonitriles.

Eva Boros, Ferenc Bertha, Jozsef Fetter, Laszlo Vida, Maria Kajtar-Peredy, Gabor Czira

Journal:

Year:

2005

Language:

english

File:

PDF, 41 KB

english, 2005

17

Regioselective reactions of mesyloxymethylazetidinones with nucleophiles I. Cleavage of the azetidinone ring, azetidinone-aziridine ring transformations

Éva Boros, Ferenc Bertha, József Fetter, Gábor Czira, Antal Feller, Gyula Simig, Mária Kajtár-Peredy

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 148 KB

english, 2006

18

Synthesis of aminomethylazetidines regioselective reactions of mesyloxymethylazetidinones with nucleophiles II

Éva Boros, Ferenc Bertha, Gábor Czira, Antal Feller, József Fetter, Mária Kajtár-Peredy, Gyula Simig

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 1.47 MB

english, 2006

19

Selektive Spaltung von Glykosiden, V. Spaltung von Hepta-O-acetylamygdalin mit Dichlormethyl-(methyl)äther

István Farkas, Ilona F. Szabó, Rezs˝ Bognár, Gábor Czira, József Tamás

Journal:

European Journal of Organic Chemistry

Year:

1976

File:

PDF, 568 KB

1976

20

Heterocyclische Verbindungen aus Zuckern, IX. An C-2 epimere 2-(L-arabino-Tetrahydroxybutyl)-4(R)-thiazolidin-carbonsäuren

Rezs˝ Bognár, Zoltán Györgydeák, László Szilágyi, Géza Horváth, Gábor Czira, Lajos Radics

Journal:

European Journal of Organic Chemistry

Year:

1976

File:

PDF, 720 KB

1976

21

Heterocyclische Verbindungen aus Zuckern, X. Reaktion von D-Penicillamin mit Penta-O-acetyl-aldehydo-D-galaktose

Rezső Bognár, Zoltán Györgydeák, László Szilágyi, Gábor Czira, Jószef Tamás

Journal:

European Journal of Organic Chemistry

Year:

1977

File:

PDF, 539 KB

1977

22

Inverse stereochemical effects in the mass spectra of carboalkoxycyclopropylsilanes

Károly Vékey, József Tamás, Gábor Czira, Igor E. Dolgy

Journal:

Journal of Mass Spectrometry

Year:

1982

Language:

english

File:

PDF, 604 KB

english, 1982

23

Effects of stereoisomerism on the electron impact fragmentation of some compounds with an eburnane skeleton1

Gábor Czira, József Tamás, György Kalaus

Journal:

Journal of Mass Spectrometry

Year:

1984

Language:

english

File:

PDF, 699 KB

english, 1984

24

Large translational energy loss and scattering in collision-induced dissociation processes

Károly Vékey, Gábor Czira

Journal:

Journal of Mass Spectrometry

Year:

1993

Language:

english

File:

PDF, 582 KB

english, 1993

25

Simple and condensed β-lactams. Part 22. An unprecedented ring transformation accompanying dephthaloylation of a 3-phthalimidoazetidin-2-one

József Fetter, Helga Vásárhelyi, Mária Kajtár-Peredy, Károly Lempert, József Tamás, Gábor Czira

Journal:

Year:

1995

Language:

english

File:

PDF, 778 KB

english, 1995

26

Transformation of compounds containing C-N bonds on heterogeneous catalysts: Part VI. A new metal-catalysed reactions: isomerization of 1,3-oxazacyclo-alkanes to carboxamides on palladium

Árpád Molnár, Mihály Bartók, Gábor Czira, József Tamás

Journal:

Journal of Molecular Catalysis

Year:

1989

Language:

english

File:

PDF, 601 KB

english, 1989

27

Characterization and differentiation of heterocyclic isomers. Tandem mass spectrometry and molecular orbital calculations on 3-methylisoxazolo- and 2-methyloxazolopyridines

Gianluca Giorgi, Fabio Ponticelli, Gábor Czira, Károly Vékey

Journal:

Journal of the American Society for Mass Spectrometry

Year:

1995

Language:

english

File:

PDF, 855 KB

english, 1995

28

Selective trimethylsilylation for the determination of 16(S)-amino-PGF2α methyl ester by gas—liquid chromatography

Ferenc Szederkényi, Gyula Horváth, Gábor Ambrus, Éva Tóth-Sarudy, Gábor Czira, József Tamás

Journal:

Journal of Chromatography A

Year:

1985

File:

PDF, 278 KB

1985

29

Carbonylation (hydroformylation and hydrocarbalkoxylation) reactions in the presence of transition metal: p-tert-butyl-calix[4]arene-based phosphine and phosphinite systems

Zsolt Csók, Gábor Szalontai, Gábor Czira, László Kollár

Journal:

Journal of Organometallic Chemistry

Year:

1998

Language:

english

File:

PDF, 113 KB

english, 1998

30

Useful base promoted elaborations of oxiranyl ethers

Angelika Thurner, Ferenc Faigl, László Tőke, Alessandro Mordini, Michela Valacchi, Gianna Reginato, Gábor Czira

Journal:

Year:

2001

Language:

english

File:

PDF, 130 KB

english, 2001

31

Relative migratory aptitudes of hydrogen, benzoyl, 4-methoxyphenyl and 4-nitrophenyl groups in some unsaturated carbenes (vinylidenes)

Ferenc Bertha, József Fetter, Károly Lempert, Mária Kajtár-Peredy, Gábor Czira, Ernő Koltai

Journal:

Year:

2001

Language:

english

File:

PDF, 137 KB

english, 2001

32

Synthesis of Vinca Alkaloids and Related Compounds, LXXI : Synthesis of (±)-cuanzine, (±)-decarbomethoxyapocuanzine, and some of their epimers

Ferenc Sóti, Mária Kajtár-Peredy, Zsuzsanna Kardos-Balogh, Mária Incze, Gábor Keresztury, Gábor Czira, Csaba Szántay

Journal:

Year:

1994

Language:

english

File:

PDF, 1.27 MB

english, 1994

33

Simple and condensed β-lactams. Part 20. Reaction of some 1-(4-methoxyphenyl)azetidin-2-ones with cerium(IV) ammonium nitrate (CAN): Trapping of the quinone imine intermediate with chloride and iodide anions

József Fetter, Le Thanh Giang, Tibor Czuppon, Károly Lempert, Mária Kajtár-Peredy, Gábor Czira

Journal:

Year:

1994

Language:

english

File:

PDF, 1.08 MB

english, 1994

34

Simple and condensed β-lactams. Part 29. Synthesis and base-catalyzed ring transformation of 4-[(2RS,3SR)-3-hydroxy-1-(4-methoxyphenyl)-4-oxoazetidin-2-yl)]thiazol-2(3H)-one

Attila Sápi, József Fetter, Károly Lempert, Mária Kajtár-Peredy, Gábor Czira

Journal:

Year:

1997

Language:

english

File:

PDF, 441 KB

english, 1997

35

Simple and condensed β-lactams, part 31. Acid catalyzed ring closures and ring transformations of some 3-aryloxy-4-oxoazetidine-2-carbaldehydes

Ferenc Bertha, József Fetter, Mária Kajtár-Peredy, Károly Lempert, Gábor Czira

Journal:

Year:

1998

Language:

english

File:

PDF, 887 KB

english, 1998

36

Acetoxylation of β-lactams with lead(IV) Acetate

Le Thanh Giang, József Fetter, Mária Kajtár-Peredy, Károly Lempert, Gábor Czira

Journal:

Year:

1999

Language:

english

File:

PDF, 541 KB

english, 1999

37

Unimolecular ion dissociation and laser-induced coalescence of hydrogenated fullerenes

Monika Möder, Matthias Nüchter, Bernd Ondruschka, Gabor Czira, Karoly Vékey, Mark P Barrow, Thomas Drewello

Journal:

International Journal of Mass Spectrometry

Year:

2000

Language:

english

File:

PDF, 220 KB

english, 2000

38

Characterization of melanins by pyrolysis/gas chromatography/mass spectrometry

György Vas, Károly Vékey, Gábor Czira, József Tamás, Donata Favretto, Piero Traldi, Antonella Bertazzo, Carlo Costa, Graziella Allegri

Journal:

Rapid Communications in Mass Spectrometry

Year:

1993

Language:

english

File:

PDF, 392 KB

english, 1993

39

Gas-phase basicities of some amino acid dimers

Károly Vékey, Gábor Czira

Journal:

Rapid Communications in Mass Spectrometry

Year:

1995

Language:

english

File:

PDF, 556 KB

english, 1995

40

Influence of different ionization conditions on the mass spectrometric behaviour of some fluorinated acyclic nucleoside analogs

Donata Favretto, Pietro Traldi, Pierfrancesco Bravo, Fiorenza Viani, Jozsef Tamas, Gabor Czira, Arpad Somogyi

Journal:

Rapid Communications in Mass Spectrometry

Year:

1995

Language:

english

File:

PDF, 624 KB

english, 1995

41

Oxidative cyclization by lead(IV) acetate of 1-(4-methoxyphenyl)-4-(tetrazol-5-ylmethyl)azetidin-2-ones to 3-methoxy-9,9a-dihydroazeto[1,2-a]tetrazolo-[5,1-d][1,5]benzodiazepin-11(10H)-ones and related reactions

Le Thanh Giang, József Fetter, Mária Kajtár-Peredy, Károly Lempert, Ferenc Bertha, György M Keser″u, Gábor Czira, Tibor Czuppon

Journal:

Year:

1999

Language:

english

File:

PDF, 1.07 MB

english, 1999

42

Synthetic and NMR Studies on Calix[n]Arene (n = 4,6,8) Triflates, Mesylates, and Tosylates

Csók, Zsolt, Szalontai, Gábor, Czira, Gábor, Kollár, László

Journal:

Supramolecular Chemistry

Year:

1998

Language:

english

File:

PDF, 558 KB

english, 1998

43

Oxidative cyclization of some 1-Aryl-5-(tetrazol-5-ylmethyl)pyrrolidin-2-ones and of a related piperidin-2-one. Preparation of fused tetracyclic tetrazolobenzodiazepinone derivatives

Giang, Le Thanh, Fetter, József, Kajtár-Peredy, Mária, Lempert, Károly, Bertha, Ferenc, Keserü, György M., Czira, Gábor

Journal:

Journal of Chemical Research

Year:

2000

Language:

english

File:

PDF, 41 KB

english, 2000

44

Facile synthesis of 12-carboxamido-11-spirostenes via palladium-catalyzed carbonylation reactions

Péter Ács, Ernő Müller, Gábor Czira, Sándor Mahó, Mariette Perreira, László Kollár

Journal:

Year:

2006

Language:

english

File:

PDF, 217 KB

english, 2006

45

Distinction of Amino Acid Enantiomers Based on the Basicity of Their Dimers

Vékey, Károly, Czira, Gábor

Journal:

Analytical Chemistry

Year:

1997

Language:

english

File:

PDF, 153 KB

english, 1997

46

The reaction of 2-(tetrazol-5-yl)alkyl ketones and of 2-(tetrazol-5-yl)alkanoic acid derivatives with lead tetraacetate. A novel method of preparation of alk-2-ynyl ketones and alk-2-ynoic acid derivatives †

Fetter, József, Nagy, Ildikó, Giang, Le Thanh, Kajtár-Peredy, Mária, Rockenbauer, Antal, Korecz, László, Czira, Gábor

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2001

Language:

english

File:

PDF, 214 KB

english, 2001

47

Oxidative fragmentations of some azolyl ketones and related compounds induced by cerium (IV) ammonium nitrate (CAN)

Bertha, Ferenc, Fetter, József, Kajtár-Peredy, Mária, Lempert, Károly, Czira, Gábor

Journal:

Journal of Chemical Research

Year:

2003

Language:

english

File:

PDF, 160 KB

english, 2003

48

Reductive dehalogenation of 4-halogenomethyl azetidin-2-one derivatives. Synthesis of (4-oxo-azetidin-2-yl)acetonitriles

Boros, Éva, Bertha, Ferenc, Fetter, József, Vida, László, Kajtár-Peredy, Mária, Czira, Gábor

Journal:

Journal of Chemical Research

Year:

2004

Language:

english

File:

PDF, 135 KB

english, 2004

49

Studies into the synthesis of azolopyrrolidinobenzodiazepinones and related compounds. Oxidative cyclisations, oxidative fragmentations and oxidative rearrangements in the reactions of azolylmethyl-N-phenyl-lactams and related compounds with cerium (IV) ammonium nitrate

Bertha, Ferenc, Fetter, József, Kajtár-Peredy, Mária, Lempert, Károly, Nagy, Ildikó, Czira, Gábor

Journal:

Journal of Chemical Research (Miniprint)

Year:

2003

Language:

english

File:

PDF, 119 KB

english, 2003

50

Oxidative fragmentations of some azolyl ketones and related compounds induced by cerium (IV) ammonium nitrate (CAN)

Bertha, Ferenc, Fetter, József, Kajtár-Peredy, Mária, Lempert, Károly, Czira, Gábor

Journal:

Journal of Chemical Research (Miniprint)

Year:

2003

Language:

english

File:

PDF, 165 KB

english, 2003

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