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1

ChemInform Abstract: Reactions of Cephalosporin Sulfones. Part 1. Rearrangement of the β-Lactam Ring to a Triazole Derivative.

T. E. GUNDA, L. TAMAS, S. SALYI

Journal:

Année:

1998

Fichier:

PDF, 31 KB

1998

2

ChemInform Abstract: Synthesis of Cephalosporins Carrying Isoxazolyl Acetamido and Related Side Chains.

Ferenc Sztaricskai, Gyula Batta, Zoltan Dinya, Istvan F. Pelyvas, Pal Herczegh, Tamas E. Gunda, Istvan Koczka

Journal:

Année:

1999

Fichier:

PDF, 33 KB

1999

3

ChemInform Abstract: On the Preparation of 2-Substituted Cephalosporin Sulfoxides via Anionic Intermediates.

Laszlo Tamas, Tamas E. Gunda, Ferenc Sztaricskai

Journal:

Année:

1999

Fichier:

PDF, 34 KB

1999

4

ChemInform Abstract: A New Approach for the Synthesis of Naturally Occurring Dihydrobenzo[b]furan-Type Neolignans of Potential Biological Activity.

Laszlo Juhasz, Zoltan Dinya, Sandor Antus, Tamas E. Gunda

Journal:

Année:

2000

Fichier:

PDF, 34 KB

2000

5

ChemInform Abstract: Cycloaddition Reactions of Carbohydrate Derivatives. Part 8. Intramolecular Cycloaddition of Nitrilimines Derived from Sugars.

Attila Agocs, Tamas E. Gunda, Gyula Batta, Arpad Kovacs-Kulyassa, Pal Herczegh

Journal:

Année:

2001

Fichier:

PDF, 33 KB

2001

6

ChemInform Abstract: A New Synthesis of Two Naturally Occurring Dihydrobenzo[b]furan-Type Neolignans of Potential Biological Activity.

Laszlo Juhasz, Zoltan Dinya, Sandor Antus, Tamas E. Gunda

Journal:

Année:

2001

Fichier:

PDF, 31 KB

2001

7

On the Preparation of 2-Substituted Cephalosporins, Part 2 : DielsAlder and 1,3-Dipolar Cycloadditions of 2-Crotonoyl (=(2E)-But-2-enoyl), 2-Sorboyl (=(2E,4E)-Hexa-2,4-dienoyl), and 2-Cinnamoyl (=(2E)-3-Phenylprop-2-enoyl) Substituted Deacetoxycephalosporanate 1-Oxides

László Tamás, Tamás E. Gunda, Gyula Batta, Ferenc Sztaricskai

Journal:

Helvetica Chimica Acta

Année:

2003

Langue:

english

Fichier:

PDF, 177 KB

english, 2003

8

Reactions of cephalosporin sulfones 3. Synthesis of 2-phenylhydrazonocephem-sulfones. A new potential entry to 2-aminocephems

Tamas E. Gunda, Gyula Batta

Journal:

Journal of Heterocyclic Chemistry

Année:

2006

Langue:

english

Fichier:

PDF, 71 KB

english, 2006

9

Synthesis and stereochemistry of 3-acetyl-5-aminospiro[1,3,4-thiadiazoline-2,4′-thioflavans]

László Somogyi, Gyula Batta, Tamás E. Gunda, Attila Cs. Bényei

Journal:

Journal of Heterocyclic Chemistry

Année:

2008

Langue:

english

Fichier:

PDF, 524 KB

english, 2008

10

An improved preparation of 2-methylene- and 2,3-dimethylenecephalosporins

Journal:

European Journal of Organic Chemistry

Année:

1990

Langue:

english

Fichier:

PDF, 190 KB

english, 1990

11

Diels-Alder reactions of 2,3-dimethylenecephalosporins

Tamas E. Gunda, Katalin E. Kövér

Journal:

European Journal of Organic Chemistry

Année:

1991

Langue:

english

Fichier:

PDF, 223 KB

english, 1991

12

Correction to the Contribution. Diels-Alder Reactions of 2,3-Dimethylenecephalosporins

Tamas E. Gunda, Katalin E. Köv́er

Journal:

European Journal of Organic Chemistry

Année:

1992

Fichier:

PDF, 22 KB

1992

13

A very mild and quantitative oxidation of cephalosporins with dimethyldioxirane

Tamás E. Gunda, László Tamás, Szabolcs Sályi, Csaba Nemes, Ferenc Sztaricskai

Journal:

Tetrahedron Letters

Année:

1995

Langue:

english

Fichier:

PDF, 177 KB

english, 1995

14

MOLCONV: A powerful interface program for converting molecule structure files between PC based modeling programs

Journal:

Tetrahedron Computer Methodology

Année:

1990

Langue:

english

Fichier:

PDF, 490 KB

english, 1990

15

2-Amino-1-phenyl-propan-1,3-diol as chiral auxiliary. Application in the synthesis of cis 3-Phthalimido-4-styryl-2-azetidinones

Tamas E Gunda, Ferenc Sztaricskai

Journal:

Année:

1997

Langue:

english

Fichier:

PDF, 686 KB

english, 1997

16

Reactions of cephalosporin sulphones 2. Rearrangement of 2α-bromocephem sulphones to pyrroles

Tamás E Gunda, Gabriella N Sz'́oke

Journal:

Année:

1998

Langue:

english

Fichier:

PDF, 308 KB

english, 1998

17

A short and facile synthetic route to prenylated flavones. Cyclodehydrogenation of prenylated 2′-hydroxychalcones by a hypervalent iodine reagent

Katalin Gula´csi, Gyo¨rgy Litkei, Sa´ndor Antus, Tama´s E. Gunda

Journal:

Année:

1998

Langue:

english

Fichier:

PDF, 443 KB

english, 1998

18

A new approach for the synthesis of naturally occurring dihydrobenzo[b]furan-type neolignans of potential biological activity

László Juhász, Zoltán Dinya, Sándor Antus, Tamás E Gunda

Journal:

Tetrahedron Letters

Année:

2000

Langue:

english

Fichier:

PDF, 107 KB

english, 2000

19

Enantiospecific synthesis and absolute configuration of β-lactam, intermediates from 2-amino-1-phenyl-1,3-propanediols

Tamas E Gunda, Siegfried Vieth, Katalin E Kövér, Ferenc Sztaricskai

Journal:

Tetrahedron Letters

Année:

1990

Fichier:

PDF, 162 KB

1990

20

On the preparation of 4-mercapto-azetidinones

T.E. Gunda, I. Lakatos, E.R. Farkas, J.Cs. Jászberényi, J. Tamás, M. Mák

Journal:

Tetrahedron Letters

Année:

1979

Langue:

english

Fichier:

PDF, 187 KB

english, 1979

21

Reactions of cephalosporin sulphones 1. Rearrangement of the β-lactam ring to a triazole derivative

Tamás E Gunda, László Tamás, Szabolcs Sályi

Journal:

Tetrahedron Letters

Année:

1998

Langue:

english

Fichier:

PDF, 199 KB

english, 1998

22

Cystine dihydroxamic acid as a chelating agent

Etelka Farkas, Emese Kozma, Tamás E. Gunda

Journal:

Année:

1992

Langue:

english

Fichier:

PDF, 558 KB

english, 1992

23

Cycloaddition reactions of carbohydrate derivatives. Part 8: Intramolecular cycloaddition of nitrilimines derived from sugars

Attila Agócs, Tamás E. Gunda, Gyula Batta, Árpád Kovács-Kulyassa, Pál Herczegh

Journal:

Tetrahedron: Asymmetry

Année:

2001

Langue:

english

Fichier:

PDF, 150 KB

english, 2001

24

Asymmetric synthesis of cis 3-phthalimido-4-styryl-2-azetidinones. Application of a new chiral N-protecting group in monobactam chemistry

Tamas E. Gunda, F. Sztaricskai

Journal:

Bioorganic & Medicinal Chemistry Letters

Année:

1993

Langue:

english

Fichier:

PDF, 263 KB

english, 1993

25

Synthesis of cephalosporins carrying isoxazolyl acetamido and related side chains

Ferenc Sztaricskai, Gyula Batta, Zoltan Dinya, Istvan F. Pelyvas, Pal Herczegh, Tamas E. Gunda, Istvan Koczka

Journal:

Chemistry of Heterocyclic Compounds

Année:

1998

Langue:

english

Fichier:

PDF, 508 KB

english, 1998

26

The role of complex formation in the anionic polymerization ofl-lactide

Laszlö Sipos, Tamás Gunda, Miklös Zsuga

Journal:

Polymer Bulletin

Année:

1997

Langue:

english

Fichier:

PDF, 148 KB

english, 1997

27

Stereoselective formation of tricyclic cephalosporins in reactions to cephem phosphorus ylides and ketoaldehydes

János Pitlik, Tamás E. Gunda, Gyula Batta, József Jekő

Journal:

Bioorganic & Medicinal Chemistry Letters

Année:

1993

Langue:

english

Fichier:

PDF, 378 KB

english, 1993

28

ChemInform Abstract: A Very Mild and Quantitative Oxidation of Cephalosporins with Dimethyldioxirane.

T. E. GUNDA, L. TAMAS, S. SALYI, C. NEMES, F. SZTARICSKAI

Journal:

Année:

1996

Fichier:

PDF, 31 KB

1996

29

ChemInform Abstract: An Improved Stereospecific Preparation of 7α- Alkoxycephalosporins.

S. SALYI, L. TAMAS, T. E. GUNDA, F. SZTARICSKAI

Journal:

Année:

1996

Fichier:

PDF, 31 KB

1996

30

1,3-Dipolar cycloaddition reactions of vinylcephalosporins with diazoalkanes

János Pitlik, Tamás E. Gunda, István Miskolczi

Journal:

Journal of Heterocyclic Chemistry

Année:

1990

Fichier:

PDF, 314 KB

1990

31

Rearrangement and Degradation of Cephalosporins and Penicillins in the Presence of Mercury(II) Trifluoroacetate

Gunda, Tamas E.

Journal:

Organic Letters

Année:

2000

Langue:

english

Fichier:

PDF, 165 KB

english, 2000

32

Supramolecular Polymers Based on the Quadruplex Formation of Ditopic Guanosine Macromonomers in Nonaqueous Media

Pintér, Gábor, Batta, Gyula, Horváth, Pál, Löki, István, Kurtán, Tibor, Antus, Sándor, Kéki, Sándor, Zsuga, Miklós, Nagy, Gábor, Aradi, János, Gunda, Tamás, Herczegh, Pál

Journal:

Année:

2007

Langue:

english

Fichier:

PDF, 100 KB

english, 2007

33

Regiospecific Bromination of Cephalosporin Sulfones at C-2 with Cyanogen Bromide

Gunda, Tamás E., Szöke, Gabriella N.

Journal:

Synthetic Communications

Année:

1997

Langue:

english

Fichier:

PDF, 314 KB

english, 1997

34

On the preparation of 2-substituted cephalosporin sulfoxides via anionic intermediates

Tamás, László, Gunda, Tamás E., Sztaricskai, Ferenc

Journal:

Journal of the Chemical Society Perkin Transactions 1

Année:

1999

Langue:

english

Fichier:

PDF, 202 KB

english, 1999

35

100 Chemical Myths ||

Kovács, Lajos, Csupor, Dezső, Lente, Gábor, Gunda, Tamás

Année:

2014

Langue:

english

Fichier:

PDF, 13.33 MB

english, 2014

36

An Improved Stereospecific Preparation of 7α-Alkoxycephalosporins

Sályi, Szabolcs, Tamás, László, Gunda, Tamás E., Sztaricskai, Ferenc

Journal:

Synthetic Communications

Année:

1996

Langue:

english

Fichier:

PDF, 330 KB

english, 1996

37

Mannich Reactions of Cephalosporin Sulphoxides and Sulphones with Imonium Salts. An Improved Synthesis of 2-Methylene-cephalosporins

Gunda, Tamas E.

Journal:

Synthetic Communications

Année:

1992

Langue:

english

Fichier:

PDF, 291 KB

english, 1992

38

100 Chemical Myths || Misconceptions in General

Kovács, Lajos, Csupor, Dezső, Lente, Gábor, Gunda, Tamás

Année:

2014

Langue:

english

Fichier:

PDF, 2.04 MB

english, 2014

39

SYNTHESIS OF OPTICALLY ACTIVE 2-[4-(6-CHLORO-2-BENZOXAZOLYLOXY)PHENOXY]PROPIONAMIDE DERIVATIVES OF POTENTIAL HERBICIDE ACTIVITY

Κöνér, József, Szilágyi, László, Antus, Sándor, Tompa, József, Gunda, Tamás

Journal:

Heterocyclic Communications

Année:

2002

Langue:

english

Fichier:

PDF, 993 KB

english, 2002

40

AN EFFICIENT SYNTHESIS OF OPTICALLY ACTIVE 2-[4-(6-CHLORO-2-QUINOXALINYLOXY)-PHENOXY]-PROPIONAMIDE DERIVATIVES

Κövér, József, Tompa, József, Antus, Sándor, Gunda, Tamás

Journal:

Heterocyclic Communications

Année:

2005

Langue:

english

Fichier:

PDF, 942 KB

english, 2005

41

A New Synthesis of Two Naturally Occurring Dihydrobenzo[b]furan-Type Neolignans of Potential Biological Activity

Juhász, László, Dinya, Zoltán, Antus, Sándor, Gunda, Tamás E.

Journal:

Zeitschrift für Naturforschung B

Année:

2001

Langue:

english

Fichier:

PDF, 1.00 MB

english, 2001

42

.BETA.-Lactamase inhibition by 6.ALPHA.-thiocyanatopenicillanic acids.

GUNDA, TAMAS E., PUNYICZKI, MARIA

Journal:

The Journal of Antibiotics

Année:

1982

Langue:

english

Fichier:

PDF, 983 KB

english, 1982

43

ChemInform Abstract: ON THE PREPARATION OF 4-MERCAPTO-AZETIDINONES

GUNDA, T. E., LAKATOS, I., FARKAS, E. R., JASZBERENYI, J. C., TAMAS, J., MAK, M.

Journal:

Chemischer Informationsdienst

Année:

1979

Fichier:

PDF, 214 KB

1979

44

Comparing extended versus standard time window for thrombectomy: caseload, patient characteristics, treatment rates and outcomesâa prospective single-centre study

Gunda, Bence, Sipos, IldikÃ³, Stang, Rita, BÃ¶jti, PÃ©ter, Dobronyi, Levente, TakÃ¡cs, TÃmea, BerÃ©nyi, TamÃ¡s, FutÃ¡csi, BalÃ¡zs, Barsi, PÃ©ter, Rudas, GÃ¡bor, Kis, BalÃ¡zs, Szikora, IstvÃ¡n, Berecz

Journal:

Année:

2020

Fichier:

PDF, 275 KB

2020