Buda Children's Hospital

Research Output 1977 2005

2005
3 Citations (Scopus)

New carbohydrate derivatives of norfloxacin

Zsoldos-Mády, V., Sohár, P., Kovács, J., Pintér, I. & Szakács, Z., 2005, In : Journal of Carbohydrate Chemistry. 24, 1, p. 19-39 21 p.

Research output: Contribution to journalArticle

Norfloxacin
Sugars
Carbohydrates
Derivatives
Urea
2004
8 Citations (Scopus)

Electronic influences on 3J(C,H) coupling constants via -S-, -S(O)- and -SO2-: Their determination, calculation and comparison of detection methods

Heydenreich, M., Koch, A., Kovács, J., Tóth, G. & Kleinpeter, E., Aug 2004, In : Magnetic Resonance in Chemistry. 42, 8, p. 667-670 4 p.

Research output: Contribution to journalArticle

Carbon
Hydrogen
sulfoxide
electronics
carbon
2003
42 Citations (Scopus)
sulfoxide
Sulfones
Stereochemistry
sulfones
epoxy compounds
1 Citation (Scopus)
Oxides
Crystal structure
crystal structure
oxides
2002
6 Citations (Scopus)

Dimethyldioxirane oxidation of the epoxides of (Z)-3-arylidene-1-thioflavanones

Lévai, A., Patonay, T., Tóth, G., Kovács, J. & Jekó́, J., Jul 2002, In : Journal of Heterocyclic Chemistry. 39, 4, p. 817-821 5 p.

Research output: Contribution to journalArticle

Sulfoxides
Sulfones
Epoxy Compounds
Sulfur
Oxidants
2001
5 Citations (Scopus)

Epoxidation of (Z)-3-arylidene-1-thioflavanones

Lévai, A., Tóth, G., Kovács, J., Patonay, T. & Vass, E. B., 2001, In : Monatshefte fur Chemie. 132, 6, p. 707-713 7 p.

Research output: Contribution to journalArticle

Epoxidation
Epoxy Compounds
Sodium Hypochlorite
Column chromatography
Silica Gel
4 Citations (Scopus)

NMR studies of the conformational behaviour and tautomerism of bis- And tris-saccharidoguanidines

Tóth, G., Gáti, T., Pintér, I., Kovács, J. & Haessner, R., 2001, In : Magnetic Resonance in Chemistry. 39, 5, p. 283-287 5 p.

Research output: Contribution to journalArticle

sugars
Sugars
Nuclear magnetic resonance
guanidines
Carbodiimides
23 Citations (Scopus)

Studies on the synthesis and structure of new urea-linked sugar podando-coronand derivatives

Charbonnier, F., Marsura, A., Roussel, K., Kovács, J. & Pintér, I., 2001, In : Helvetica Chimica Acta. 84, 3, p. 535-551 17 p.

Research output: Contribution to journalArticle

Cyclodextrins
carbohydrates
sugars
ureas
Urea
2000
14 Citations (Scopus)

Comprehensive reinvestigation of the reaction of D-aldoses with meldrum's acid yielding mainly chain extended 3,6-anhydro-2-deoxy-aldono-1,4-lactones

Köll, P., Wernicke, A., Kovács, J. & Lützen, A., 2000, In : Journal of Carbohydrate Chemistry. 19, 8, p. 1019-1047 29 p.

Research output: Contribution to journalArticle

Lactones
Pentoses
Hexoses
Mannose
Hydroxyl Radical
1999
3 Citations (Scopus)

Cyclodextrin-isocyanate: A new access from phosphinimines

Kovács, J., Pintér, I., Mészáros, P., Kajtár-Peredy, M. & Jicsinszky, L., 1999, In : Polish Journal of Chemistry. 73, 6, p. 1037-1039 3 p.

Research output: Contribution to journalArticle

Isocyanates
Cyclodextrins
7 Citations (Scopus)

Synthesis of ν-triazole derivatives from anomeric sugar diazides

Kovács, J., Pintér, I., Kajtár-Peredy, M., Argay, G., Kálmán, A., Descotes, G. & Praly, J. P., Mar 15 1999, In : Carbohydrate Research. 316, 1-4, p. 112-120 9 p.

Research output: Contribution to journalArticle

Triazoles
Sugars
Derivatives
Bearings (structural)
Azides
16 Citations (Scopus)

Two cardenolides from Calotropis procera

Hanna, A. G., Elgamal, M. H. A., Morsy, N. A. M., Duddeck, H., Kovács, J. & Tóth, G., Oct 1999, In : Magnetic Resonance in Chemistry. 37, 10, p. 754-757 4 p.

Research output: Contribution to journalArticle

Cardenolides
Cardiotonic Agents
Glycosides
glucosides
Biological Products
1998
13 Citations (Scopus)

Complete 1H and 13C signal assignments of 5β-cardenolides isolated from Acokanthera spectabilis Hook F

Hanna, A. G., Elgamal, M. H. A., Hassan, A. Z., Duddeck, H., Simon, A., Kovács, J. & Tóth, G., Dec 1998, In : Magnetic Resonance in Chemistry. 36, 12, p. 936-942 7 p.

Research output: Contribution to journalArticle

Cardenolides
Cardiotonic Agents
Glycosides
glucosides
hooks
46 Citations (Scopus)

Synthesis and Study of New β-Cyclodextrin 'Dimers' Having a Metal Coordination Center and Carboxamide or Urea Linkers

Sallas, F., Marsura, A., Petot, V., Pintér, I., Kovács, J. & Jicsinszky, L., 1998, In : Helvetica Chimica Acta. 81, 4, p. 632-645 14 p.

Research output: Contribution to journalArticle

phosphine
Imines
Cyclodextrins
Esterases
ureas
1997
7 Citations (Scopus)

An ab initio study on selected models of 1,2-cis-and 1,2-trans-cyclic carbamates of glucopyranosyl amine

Paizs, B., Pintér, I., Kovács, J., Viviani, W., Marsura, A., Friant-Michel, P. & Csizmadia, I., May 26 1997, In : Journal of Molecular Structure: THEOCHEM. 395-396, 1-3, p. 41-52 12 p.

Research output: Contribution to journalArticle

Carbamates
Isomers
Amines
amines
Cyclohexanols
37 Citations (Scopus)

Aza-Wittig reaction of sugar isothiocyanates and sugar iminophosphoranes: An easy entry to unsymmetrical sugar carbodiimides

García Fernández, J. M., Ortiz Mellet, C., Díaz Pérez, V. M., Fuentes, J., Kovács, J. & Pintér, I., Jun 9 1997, In : Tetrahedron Letters. 38, 23, p. 4161-4164 4 p.

Research output: Contribution to journalArticle

Isothiocyanates
Carbodiimides
Sugars
Guanidines
Thiourea
7 Citations (Scopus)

NMR studies on a new type of sugar isourea ethers

Tóth, G., Pintér, I., Kovács, J. & Haessner, R., Mar 1997, In : Magnetic Resonance in Chemistry. 35, 3, p. 203-208 6 p.

Research output: Contribution to journalArticle

Ethers
sugars
Sugars
ethers
Nuclear magnetic resonance
14 Citations (Scopus)

PM3 study of cyclization of α-and β-D-glucosyl azides into 1,2-cyclic carbamates

Friant-Michel, P., Marsura, A., Kovács, J., Pintér, I. & Rivail, J. L., May 26 1997, In : Journal of Molecular Structure: THEOCHEM. 395-396, 1-3, p. 61-69 9 p.

Research output: Contribution to journalArticle

Carbamates
Azides
Cyclization
Chemical Phenomena
occurrences
26 Citations (Scopus)

Synthesis of (1 → 6)-carbodiimide-tethered pseudooligosaccharides via aza-Wittig reaction

García Fernández, J. M., Ortiz Mellet, C., Díaz Pérez, V. M., Fuentes, J., Kovács, J. & Pintér, I., Nov 28 1997, In : Carbohydrate Research. 304, 3-4, p. 261-270 10 p.

Research output: Contribution to journalArticle

Isothiocyanates
Carbodiimides
Sugars
Trisaccharides
Azides
6 Citations (Scopus)

Synthesis of bis-cellobiosyl-guanidine derivatives

Meszaros, P., Kovács, J. & Pintér, I., 1997, In : Carbohydrate Letters. 2, 6, p. 355-361 7 p.

Research output: Contribution to journalArticle

Carbodiimides
Ammonium Chloride
Guanidine
Amines
17 Citations (Scopus)
Cyanides
Amides
Toluene
Lactones
Ether
5 Citations (Scopus)

New type of bridged monoamino-β-cyclodextrins

Kovács, J., Sallas, F., Pintér, I., Marsura, A. & Jicsinszky, L., 1996, In : Journal of Inclusion Phenomena and Molecular Recognition in Chemistry. 25, 1-3, p. 53-56 4 p.

Research output: Contribution to journalArticle

cyclodextrins
Cyclodextrins
Dimers
dimers
Coordination Complexes
27 Citations (Scopus)

One step synthesis of new urea-linked β-cyclodextrin dimers

Sallas, F., Kovács, J., Pintér, I., Jicsinszky, L. & Marsura, A., Jun 3 1996, In : Tetrahedron Letters. 37, 23, p. 4011-4014 4 p.

Research output: Contribution to journalArticle

Cyclodextrins
Dimers
Urea
Coordination Complexes
Hydrolysis
1995
11 Citations (Scopus)

Direct transformation of d-idose and d-altrose with potassium cyanate into cyclic carbamates of derived glycosylamines

Kovács, J., Pintér, I. & Köll, P., Aug 11 1995, In : Carbohydrate Research. 272, 2, p. 255-262 8 p.

Research output: Contribution to journalArticle

Carbamates
potassium cyanate
idose
55 Citations (Scopus)

Synthesis of sugar ureas via phosphinimines

Pintér, I., Kovács, J. & Tóth, G., Aug 22 1995, In : Carbohydrate Research. 273, 1, p. 99-108 10 p.

Research output: Contribution to journalArticle

Carbon Dioxide
Sugars
Urea
6 Citations (Scopus)
triphenylphosphine
1994
9 Citations (Scopus)

New cyclic isourea derivatives of d-glucofuranosylamine

Mézáros, P., Pintér, I., Kovács, J. & Tóth, G., May 20 1994, In : Carbohydrate Research. 258, C, p. 287-291 5 p.

Research output: Contribution to journalArticle

Oxazoles
Magnetic resonance spectroscopy
Optical rotation
Glucosamine
Molecular structure
12 Citations (Scopus)

Transformation of d-allose and l-gulose with potassium cyanate into cyclic carbamates

Kovács, J., Pintér, I., Abeln, D., Kopf, J. & Köll, P., Apr 16 1994, In : Carbohydrate Research. 257, 1, p. 97-106 10 p.

Research output: Contribution to journalArticle

Carbamates
Acetates
Complex Mixtures
Conformations
gulose
1993
3 Citations (Scopus)

Crystal and molecular structure of α-d-ribopyranosylamine 1,3-(cyclic carbamate)

Köll, P., Kovács, J., Abeln, D. & Kopf, J., Feb 1 1993, In : Carbohydrate Research. 239, C, p. 245-248 4 p.

Research output: Contribution to journalArticle

Carbamates
X ray analysis
Molecular structure
Crystal structure
27 Citations (Scopus)

Studies of the synthesis of 1,2-cis-(cyclic carbamates) of α-d-aldopyranosylamines

Kovács, J., Pintér, I., Tóth, G., Györgydeák, Z. & Köll, P., Feb 1 1993, In : Carbohydrate Research. 239, C, p. 95-106 12 p.

Research output: Contribution to journalArticle

Carbamates
Azides
Carbon Dioxide
Nuclear magnetic resonance spectroscopy
Magnetic Resonance Spectroscopy
1991
29 Citations (Scopus)

Transformation of aldoses into glycosylamine 1,2-(cyclic carbamates) (glyco-oxazolidin-2-ones) by reaction with potassium cyanate

Kovács, J., Pintér, I., Lendering, U. & Köll, P., Mar 20 1991, In : Carbohydrate Research. 210, C, p. 155-166 12 p.

Research output: Contribution to journalArticle

Oxazolidinones
Pentoses
Ammonium Chloride
Hexoses
Carbamates
1990
13 Citations (Scopus)

A simple approach to new 5-butenylidene-imidazolin-2-ones from 2-amino-2-deoxy-d-glucose

Kovács, J., Pintér, I., Messmer, A., Tóth, G., Lendering, U. & Köll, P., May 1 1990, In : Carbohydrate Research. 198, 2, p. 358-362 5 p.

Research output: Contribution to journalArticle

Glucose
1 Citation (Scopus)
tautomers
imidazoles
Hydrogen
Hydrogen bonds
Crystalline materials
1987
34 Citations (Scopus)

A new route to cyclic urea derivatives of sugars via phosphinimines

Kovács, J., Pintér, I., Messmer, A., Tóth, G. & Duddeck, H., Aug 15 1987, In : Carbohydrate Research. 166, 1, p. 101-111 11 p.

Research output: Contribution to journalArticle

Azides
Sugars
Urea
Derivatives
Carbon Dioxide
1985
64 Citations (Scopus)

Unprotected sugar phosphinimines: A facile route to cyclic carbamates of amino sugars

Kovács, J., Pintér, I., Messmer, A. & Tóth, G., Aug 15 1985, In : Carbohydrate Research. 141, 1, p. 57-65 9 p.

Research output: Contribution to journalArticle

Amino Sugars
Carbamates
Sugars
Imides
Carbon Dioxide
1983
15 Citations (Scopus)

A simple synthesis of epimeric 2-azidoinosose derivatives

Pintér, I., Kovács, J., Messmer, A., Tóth, G. & Gero, S. D., May 16 1983, In : Carbohydrate Research. 116, 1, p. 156-161 6 p.

Research output: Contribution to journalArticle

1979
17 Citations (Scopus)

Formation of phosphonioepimino salts of sugars: a novel neighboring-group participation

Pintér, I., Kovács, J., Messmer, A., Kálmán, A., Tóth, G. & Lindberg, B. K., 1979, In : Carbohydrate Research. 72, C, p. 289-296 8 p.

Research output: Contribution to journalArticle

Salts
1978
5 Citations (Scopus)

1H, 13C N.M.R. studies on the structure of di-D-glucosylamine acetates

Toth, G., Pintér, I. & Kovács, J., 1978, Journal of Carbohydrates Nucleosides Nucleotides. 3 ed. Vol. 5. p. 225-233 9 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Acetates
Proton Magnetic Resonance Spectroscopy
Carbon-13 Magnetic Resonance Spectroscopy
1977
8 Citations (Scopus)

Synthesis of sugar phosphinimine derivatives from amino sugars

Pintér, I., Kovács, J. & Messmer, A., 1977, In : Carbohydrate Research. 53, 1, p. 117-122 6 p.

Research output: Contribution to journalArticle

Amino Sugars
Sugars
Derivatives