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1

Practice of fluorous biphase chemistry: convenient synthesis of novel fluorophilic ethers via a Mitsunobu reaction

József Rábai, Dénes Szabó, Eszter K Borbás, István Kövesi, István Kövesdi, Antal Csámpai, Ágnes Gömöry, Valeriy E Pashinnik, Yuriy G Shermolovich

Journal:

Journal of Fluorine Chemistry

Année:

2002

Langue:

english

Fichier:

PDF, 173 KB

english, 2002

2

Practice of Fluorous Biphase Chemistry: Convenient Synthesis of Novel Fluorophilic Ethers via a Mitsunobu Reaction.

Jozsef Rabai, Denes Szabo, Eszter K. Borbas, Istvan Koevesi, Istvan Koevesdi, Antal Csampai, Agnes Goemoery, Valeriy E. Pashinnik, Yuriy G. Shermolovich

Journal:

Année:

2002

Fichier:

PDF, 31 KB

2002

3

ChemInform Abstract: Staudinger and retro-Staudinger Reactions. The Dichloro-β-lactam Moiety as a Useful Handle for the Synthesis of 4-Aryl-2H-1,3-benzothiazine 1,2-Dioxides.

Lajos Fodor, Peter Csomos, Antal Csampai, Pal Sohar

Journal:

Année:

2010

Fichier:

PDF, 31 KB

2010

4

Ferrocenyl pyrazolines: Preparation, structure, redox properties and DFT study on regioselective ring-closure

Virág Zsoldos-Mády, Oliver Ozohanics, Antal Csámpai, Veronika Kudar, Dávid Frigyes, Pál Sohár

Journal:

Journal of Organometallic Chemistry

Année:

2009

Langue:

english

Fichier:

PDF, 474 KB

english, 2009

5

Synthesis and structure of planar chiral ferroceno[d]pyridazinones, the first representatives of a novel class of fused metallocenes

Á. Gyömöre, A. Csámpai

Journal:

Journal of Organometallic Chemistry

Année:

2011

Langue:

english

Fichier:

PDF, 266 KB

english, 2011

6

Exceptional isolation of both imine and enamine desmotropes of 4,1-benzothiazepines

Péter Csomós, Lajos Fodor, Antal Csámpai, Pál Sohár

Journal:

Année:

2010

Langue:

english

Fichier:

PDF, 257 KB

english, 2010

7

Staudinger and retro-Staudinger reactions. The dichloro-β-lactam moiety as a useful handle for the synthesis of 4-aryl-2H-1,3-benzothiazine 1,1-dioxides

Lajos Fodor, Péter Csomós, Antal Csámpai, Pál Sohár

Journal:

Tetrahedron Letters

Année:

2010

Langue:

english

Fichier:

PDF, 187 KB

english, 2010

8

Expected and unexpected reactions of 1,3-benzothiazine derivatives, II. Formation of isomeric 5,6-dihydro-1,5-benzothiazocines

Lajos Fodor, Péter Csomós, Antal Csámpai, Pál Sohár, Tamás Holczbauer, Alajos Kálmán

Journal:

Tetrahedron Letters

Année:

2011

Langue:

english

Fichier:

PDF, 335 KB

english, 2011

9

Novel indole syntheses by ring transformation of β-lactam-condensed 1,3-benzothiazines into indolo[2,3-b][1,4]benzothiazepines and indolo[3,2-c]isoquinolines

Lajos Fodor, Péter Csomós, Antal Csámpai, Pál Sohár

Journal:

Année:

2012

Langue:

english

Fichier:

PDF, 535 KB

english, 2012

10

Alkylsilyl derivatization of glyphosate and aminomethylphosphonic acid followed by gas chromatography mass spectrometry

Arkan, T., Csámpai, A., Molnár-Perl, I.

Journal:

Microchemical Journal

Année:

2016

Langue:

english

Fichier:

PDF, 2.84 MB

english, 2016

11

Thiourea Derivatives as Brønsted Acid Organocatalysts

Madarász, Ádám, Dósa, Zsolt, Varga, Szilárd, Soós, Tibor, Csámpai, Antal, Pápai, Imre

Journal:

Année:

2016

Langue:

english

Fichier:

PDF, 1022 KB

english, 2016

12

Structure-related related new approach in the GC/MS analysis of cathinone type synthetic drugs

Molnár, Borbála, Fodor, Blanka, Csámpai, Antal, Hidvégi, Előd, Molnár-Perl, Ibolya

Journal:

Journal of Chromatography A

Année:

2016

Langue:

english

Fichier:

PDF, 2.37 MB

english, 2016

13

Convenient RCM-Mediated Synthesis and Spectroscopic Study of Novel Ferrocenyl-Substituted 2,5,8,9-Tetrahydro-3H-imidazo[1,2-a][1,3]diazepin-3-ones

György Túrós, Antal Csámpai, Tamás Lovász, Attila Györfi, Heinrich Wamhoff, Pál Sohár

Journal:

European Journal of Organic Chemistry

Année:

2002

Langue:

english

Fichier:

PDF, 119 KB

english, 2002

14

ChemInform Abstract: New Access to 7-Membered Heterocyclic C-Glycosides by the Cyclo-Addition-Ring-Expansion (CARE)-Reaction.

H. WAMHOFF, H. WARNECKE, P. SOHAR, A. CSAMPAI

Journal:

Année:

1999

Fichier:

PDF, 33 KB

1999

15

ChemInform Abstract: 1,3-Dipolar Cycloadditions and Oxidative Cyclization of Heterocyclic Hydrazones of Formylferrocene

A. Abran, A. Csampai, Zs. Bocskei, P. Sohar

Journal:

Année:

1999

Fichier:

PDF, 25 KB

1999

16

ChemInform Abstract: Structure and Mechanism of Hydrolysis of Diaryl(acylamino)(chloro)-λ4-sulfanes and Diaryl(acylamino)sulfonium Salts.

Peter Nagy, Antal Csampai, Denes Szabo, Jeno Varga, Veronika Harmat, Ferenc Ruff, Arpad Kucsman

Journal:

Année:

2001

Fichier:

PDF, 29 KB

2001

17

ChemInform Abstract: Preparation of Pyrimido[2,1-a]phthalazines and an Aminopyrimido[2,1-a]isoindole by Retro Diels—Alder Reaction.

Pal Sohar, Ferenc Miklos, Antal Csampai, Geza Stajer

Journal:

Année:

2001

Langue:

english

Fichier:

PDF, 33 KB

english, 2001

18

ChemInform Abstract: Novel Ring Transformations of Condensed [1,2,4]Triazolo[4,3-b]pyridazine-6(5H)-one-3(2H)-thiones Effected by Dialkyl-acetylenedicarboxylates.

Monika Simo, Antal Csampai, Veronika Harmat, Orsolya Barabas, Gabor Magyarfalyy

Journal:

Année:

2001

Fichier:

PDF, 34 KB

2001

19

ChemInform Abstract: Preparation of Hydroxy-Substituted Hexahydrophthalazinones from Cyclohexane- and Norbornanelactones or Ketallactones.

Jozsef A. Szabo, Pal Sohar, Antal Csampai, Geza Stajer

Journal:

Année:

2002

Fichier:

PDF, 32 KB

2002

20

Improved Synthesis of Perfluorooctylpropyl Amine.

Abudurexiti Abulikemu, Gabor Halasz, Antal Csampai, Agnes Goemoery, Jozsef Rabai

Journal:

Année:

2004

Fichier:

PDF, 16 KB

2004

21

Synthesis and Stereostructure of Saturated Isoindolone-Fused Hetero Tri-, Tetra-, and Pentacyclic Compounds.

Pal Sohar, Antal Csampai, Gabor Magyarfalvi, Angela E. Szabo, Geza Stajer

Journal:

Année:

2005

Langue:

english

Fichier:

PDF, 33 KB

english, 2005

22

Highly Enantioselective Conjugate Addition of Nitromethane to Chalcones Using Bifunctional Cinchona Organocatalysts.

Benedek Vakulya, Szilard Varga, Antal Csampai, Tibor Soos

Journal:

Année:

2005

Fichier:

PDF, 21 KB

2005

23

Regio- and Stereoselective Cycloaddition and Further Transformations of Azomethine Imine Derivatives of Fused [1,2,4]Triazines.

Csilla Grof, Zsuzsanna Riedl, Gyoergy Hajos, Orsolya Egyed, Antal Csampai, Branko Stanovnik

Journal:

Année:

2005

Fichier:

PDF, 28 KB

2005

24

Selective Synthesis and Cycloaddition Reactions of New Azomethine Imines Containing a 1,2,4-Triazine Ring.

Csilla Grof, Gabor Hegedus, Zsuzsanna Riedl, Gyoergy Hajos, Orsolya Egyed, Antal Csampai, Veronika Kudar, Branko Stanovnik

Journal:

Année:

2005

Fichier:

PDF, 27 KB

2005

25

ChemInform Abstract: Preparation and Structures of Isoindolone- or Pyrimidone-Condensed Heterocycles Containing a Hydroxy Group on a Cyclohexane or Norbornane Moiety.

Ferenc Miklos, Pal Sohar, Antal Csampai, Reijo Sillanpaeae, Geza Stajer

Journal:

Année:

2009

Fichier:

PDF, 21 KB

2009

26

ChemInform Abstract: A Convenient Synthesis of 1,4-Benzothiazepines from 1,3-Benzothiazines via the Ring Transformation of β-Lactam-Condensed 1,3-Benzothiazine Derivatives.

Lajos Fodor, Peter Csomos, Antal Csampai, Pal Sohar

Journal:

Année:

2011

Fichier:

PDF, 32 KB

2011

27

ChemInform Abstract: Expected and Unexpected Reactions of 1,3-Benzothiazine Derivatives. Part 1. Ring Transformation of β-Lactam-Condensed 1,3-Benzothiazines into 4,5-Dihydro-1,4-benzothiazepines and Indolo-1,4-benzothiazepines.

Lajos Fodor, Peter Csomos, Tamas Holczbauer, Alajos Kalman, Antal Csampai, Pal Sohar

Journal:

Année:

2011

Fichier:

PDF, 39 KB

2011

28

ChemInform Abstract: Expected and Unexpected Reactions of 1,3-Benzothiazine Derivatives. Part 2. Formation of Isomeric 5,6-Dihydro-1,5-benzothiazocines.

Lajos Fodor, Peter Csomos, Antal Csampai, Pal Sohar, Tamas Holczbauer, Alajos Kalman

Journal:

Année:

2011

Fichier:

PDF, 28 KB

2011

29

ChemInform Abstract: Alkyloximes and Imines via Silyl Carbamates.

Ferenc Kardon, Maria Moertl, Antal Csampai, Kalman Ujszaszy, Dezsoe Knausz

Journal:

Année:

2011

Fichier:

PDF, 47 KB

2011

30

ChemInform Abstract: One-Step Ring-Closure Procedure for 4,5-Dihydro-1,3-thiazino[5,4-b]indole Derivatives with Lawesson′s Reagent. The Fifth Dihydro-1,3-thiazino[b]indole Isomer.

Peter Csomos, Lajos Fodor, Gabor Bernath, Antal Csampai, Pal Sohar

Journal:

Année:

2012

Fichier:

PDF, 26 KB

2012

31

Synthesis, Structure, and in vitro Antitumor Activity of Some Glycoside Derivatives of Ferrocenyl-Chalcones and Ferrocenyl-Pyrazolines

Virág Zsoldos-Mády, Antal Csámpai, Rita Szabó, Erika Mészáros-Alapi, Judit Pásztor, Ferenc Hudecz, Pál Sohár

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 133 KB

english, 2006

32

Ethyl α-(Triphenylphosphoranylidene)amino-β-ferrocenylacrylate as a Starting Material for [2+2] Cycloadditions, Including the Aza-Wittig Reaction

Antal Csámpai, György Túrós, Veronika Kudar, Kálmán Simon, Hendrik Oeynhausen, Heinrich Wamhoff, Pál Sohár

Journal:

European Journal of Organic Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 157 KB

english, 2004

33

Reactions of Levulinic Acid with Norbornane/ene Amino Acids and Diamines

Géza Stájer, Angela E. Szabó, Antal Csámpai, Pál Sohár

Journal:

European Journal of Organic Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 126 KB

english, 2004

34

Macrocyclic Double Ferrocenes, Their Stereostructure, and an IR and NMR Spectroscopic, X-ray Crystallographic, and Conformational and Dynamic Investigation

Pál Sohár, Antal Csámpai, Árvácska Abrán, György Túrós, Elemér Vass, Veronika Kudar, Kálmán Újszászy, Balázs Fábián

Journal:

European Journal of Organic Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 161 KB

english, 2005

35

Selective Synthesis and Cycloaddition Reactions of New Azomethine Imines Containing a 1,2,4-Triazine Ring

Csilla Gróf, Gábor Hegedűs, Zsuzsanna Riedl, György Hajós, Orsolya Egyed, Antal Csámpai, Veronika Kudar, Branko Stanovnik

Journal:

European Journal of Organic Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 157 KB

english, 2005

36

One-step ring-closure procedure for 4,5-dihydro-1,3-thiazino[5,4-b]indole derivatives with Lawesson's reagent. The fifth dihydro-1,3-thiazino[b]indole isomer

Péter Csomós, Lajos Fodor, Gábor Bernáth, Antal Csámpai, Pál Sohár

Journal:

Journal of Heterocyclic Chemistry

Année:

2011

Langue:

english

Fichier:

PDF, 126 KB

english, 2011

37

Preparation and structure of pyrrolo- and isoindoloquinazolinones

Pál Sohár, Antal Csámpai, Angela E. Szabó, Géza Stájer

Journal:

Journal of Molecular Structure

Année:

2004

Langue:

english

Fichier:

PDF, 206 KB

english, 2004

38

A retro Diels–Alder method for the preparation of pyrrolo[1,2-a]pyrimidinediones from diexo-aminooxanorbornenecarboxamide

Géza Stájer, Angela E. Szabó, Pál Sohár, Antal Csámpai, Reijo Sillanpää

Journal:

Journal of Molecular Structure

Année:

2006

Langue:

english

Fichier:

PDF, 174 KB

english, 2006

39

o-Phthaldialdehyde derivatization of histidine: stoichiometry, stability and reaction mechanism

A Csámpai, D Kutlán, F Tóth, I Molnár-Perl

Journal:

Journal of Chromatography A

Année:

2004

Langue:

english

Fichier:

PDF, 339 KB

english, 2004

40

Improved synthesis of perfluorooctylpropyl amine

Abudurexiti Abulikemu, Gábor Halász, Antal Csámpai, Ágnes Gömöry, József Rábai

Journal:

Journal of Fluorine Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 106 KB

english, 2004

41

Synthesis, NMR, IR spectroscopic and X-ray study of novel [pyridazin-3(2H)-one-6-yl]ferrocenes and related ferrocenophane derivatives. Study on ferrocenes. Part 14

Antal Csámpai, Árvácska Abrán, Veronika Kudar, György Túrós, Heinrich Wamhoff, Pál Sohár

Journal:

Journal of Organometallic Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 380 KB

english, 2005

42

Synthesis, IR-, NMR- and X-ray investigations on some novel N-hetaryl-dihydro-pyrazolyl ferrocenes. Study on ferrocenes, part 16

Veronika Kudar, Virág Zsoldos-Mády, Kálmán Simon, Antal Csámpai, Pál Sohár

Journal:

Journal of Organometallic Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 228 KB

english, 2005

43

Synthesis, IR-, NMR-, DFT and X-ray study of ferrocenyl heterocycles from thiosemicarbazones. Part 21: Study on ferrocenes

Balázs Fábián, Veronika Kudar, Antal Csámpai, Tibor Zs. Nagy, Pál Sohár

Journal:

Journal of Organometallic Chemistry

Année:

2007

Langue:

english

Fichier:

PDF, 332 KB

english, 2007

44

Application of Biginelli reaction to the synthesis of ferrocenylpyrimidones and [3]-ferrocenophane-containing pyrimido[4,5-d]pyrimidinediones

A. Csámpai, A.Z. Györfi, Gy.I. Túrós, P. Sohár

Journal:

Journal of Organometallic Chemistry

Année:

2009

Langue:

english

Fichier:

PDF, 322 KB

english, 2009

45

Synthesis, ring transformations, IR-, NMR and DFT study of heterocycles with two ferrocenyl units

Balázs Fábián, Antal Csámpai, Tibor Zs. Nagy, Mátyás Czugler, Pál Sohár

Journal:

Journal of Organometallic Chemistry

Année:

2009

Langue:

english

Fichier:

PDF, 501 KB

english, 2009

46

New ferrocenyl-substituted heterocycles. Formation under Biginelli conditions, DFT modelling, and structure determination

K. Kiss, A. Csámpai, P. Sohár

Journal:

Journal of Organometallic Chemistry

Année:

2010

Langue:

english

Fichier:

PDF, 261 KB

english, 2010

47

Structure elucidation and DFT-study on substrate-selective formation of chalcones containing ferrocene and phenothiazine units. Study on ferrocenes, Part 17

Tamás Lovász, György Túrós, Luiza Găină, Antal Csámpai, Dávid Frigyes, Balázs Fábián, Ioan A. Silberg, Pál Sohár

Journal:

Journal of Molecular Structure

Année:

2005

Langue:

english

Fichier:

PDF, 141 KB

english, 2005

48

Preparation and structure of pyrrolo[2,1-b]- and isoindolo[1,2-b][3,1]epoxyquinazolines

Iván Kanizsai, Ferenc Miklós, Pál Sohár, Antal Csámpai, Reijo Sillanpää, Géza Stájer

Journal:

Journal of Molecular Structure

Année:

2007

Langue:

english

Fichier:

PDF, 400 KB

english, 2007

49

The ‘inverse electron-demand’ Diels–Alder reaction in polymer synthesis. Part 5: Preparation and model reactions of some electron-rich bis-dienamines

András Kotschy, János Faragó, Antal Csámpai, David M Smith

Journal:

Année:

2004

Langue:

english

Fichier:

PDF, 230 KB

english, 2004

50

Ferrocenyl-palladium complexes in cross-coupling reactions: a comparative study

Tibor Zs. Nagy, Antal Csámpai, András Kotschy

Journal:

Année:

2005

Langue:

english

Fichier:

PDF, 379 KB

english, 2005