• 1641 Citations
  • 21 h-Index
1965 …2014
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Research Output 1965 2014

  • 1641 Citations
  • 21 h-Index
  • 153 Article
  • 1 Chapter
  • 1 Conference contribution
11 Citations (Scopus)

1H, 13C, and 15N NMR stereochemical study of cis-fused 7a(8a)-methyl and 6-phenyl octa(hexa)hydrocyclopenta[d][1,3]oxazines and [3,1]benzoxazines

Tähtinen, P., Sinkkonen, J., Klika, K. D., Nieminen, V., Stájer, G., Szakonyi, Z., Fülöp, F. & Pihlaja, K., 2002, In : Chirality. 14, 2-3, p. 187-198 12 p.

Research output: Article

Benzoxazines
Oxazines
Nuclear magnetic resonance
Conformations
Derivatives
3 Citations (Scopus)

1-oxo-1,3-dithiolanes-synthesis and stereochemistry

Pihlaja, K., Sinkkonen, J., Stájer, G., Koch, A. & Kleinpeter, E., júl. 2011, In : Magnetic Resonance in Chemistry. 49, 7, p. 443-449 7 p.

Research output: Article

Thin layer chromatography
Stereochemistry
Molecular modeling
Chemical shift
Computational methods
4 Citations (Scopus)

3-Oxo-1,3-oxathiolanes-synthesis and stereochemistry

Pihlaja, K., Sinkkonen, J. & Stájer, G., márc. 2008, In : Magnetic Resonance in Chemistry. 46, 3, p. 244-249 6 p.

Research output: Article

Stereochemistry
stereochemistry
seats
Conformations
thin layer chromatography
18 Citations (Scopus)

4- and 5-oxocarboxylic acids as versatile synthons for the preparation of heterocycles

Csende, F. & Stájer, G., jún. 1 2000, In : Heterocycles. 53, 6, p. 1379-1419 41 p.

Research output: Article

Acids
Anhydrides
1 Citation (Scopus)

Adatok a fenacetin cerimetriás meghatározásához.

Stájer, G., László, V. & Szabó, A. E., szept. 1969, In : Acta Pharmaceutica Hungarica. 39, 5, p. 237-240 4 p.

Research output: Article

Phenacetin
Cerium
Quinones
Sulfates
Oxidation-Reduction
31 Citations (Scopus)

Advanced methods for the synthesis of 3-substituted 1H-isoindol-1-ones

Stájer, G. & Csende, F., szept. 2005, In : Current Organic Chemistry. 9, 13, p. 1277-1286 10 p.

Research output: Article

Phthalimides
Keto Acids
Carbonyl compounds
Acids
Isoindol-1-one
2 Citations (Scopus)
Phenylbutazone
Oxidation-Reduction
Hydrolysis
Acids
1 Citation (Scopus)
Mustard Compounds
Thiocyanates
Mustard Gas
Bacillus cereus
Sulfonic Acids
20 Citations (Scopus)

Application of furan as a diene: Preparation of condensed 1,3-oxazines by retro-Diels-Alder reactions

Stájer, G., Miklós, F., Kanizsai, I., Csende, F., Sillanpää, R. & Sohár, P., aug. 27 2004, In : European Journal of Organic Chemistry. 17, p. 3701-3706 6 p.

Research output: Article

Oxazines
Cycloaddition Reaction
NSC 153174
Keto Acids
Benzoic Acid
6 Citations (Scopus)
Norbornanes
Isoindoles
Carboxylic Acids
Benzoxazines
Derivatives
19 Citations (Scopus)

Approaches to the formation of condensed isoindolones

Csende, F. & Stájer, G., szept. 2005, In : Current Organic Chemistry. 9, 13, p. 1261-1276 16 p.

Research output: Article

Phthalimides
Keto Acids
Cyclization
Isomers
Amines
20 Citations (Scopus)
preparation
acids
Acids
Thermolysis
Cyclization
9 Citations (Scopus)
Nuclear magnetic resonance
Oxidation
1 Citation (Scopus)
Ephedrine
Pharmaceutical Chemistry
Copper
Pharmaceutical Preparations
In Vitro Techniques
3 Citations (Scopus)
Photometry
Ephedrine
1-Butanol
Copper
Alcohols
15 Citations (Scopus)

Chemistry of norbornane/ene and heteronorbornane/ene β-amino acids

Csende, F., Fülöp, F. & Stájer, G., máj. 2008, In : Current Organic Synthesis. 5, 2, p. 173-185 13 p.

Research output: Article

Norbornanes
Oligopeptides
Alanine
Derivatives
Amino Acids
1 Citation (Scopus)
Norbornanes
Nuclear magnetic resonance spectroscopy
Conformations
Derivatives
Atoms
65 Citations (Scopus)
Norbornanes
Oxazines
Nuclear magnetic resonance
Isomers
Conformations
12 Citations (Scopus)
Fourier Transform Infrared Spectroscopy
seats
Nuclear magnetic resonance
Derivatives
preparation
18 Citations (Scopus)
Halogenation
Dehydrogenation
Isomers
Derivatives
Copper
7 Citations (Scopus)
Cyclotrons
Cyclotron resonance
Fourier Analysis
Mass spectrometry
Mass Spectrometry
6 Citations (Scopus)
Ionization
Ions
Electrons
Stereoisomerism
Amides
20 Citations (Scopus)

Double retro Diels-Alder reaction applied for preparation of a pyrimido[1,2-b]pyridazine

Miklós, F., Stájer, G., Sohár, P. & Böcskei, Z., 2000, In : Synlett. 1, p. 67-68 2 p.

Research output: Article

Cyclopentanes
Toluene
Boiling liquids
Condensation
Heating
2 Citations (Scopus)

EINE NEUE REAKTION ZUR IDENTIFIZIERUNG VON MEPHENYTOIN

Stájer, G., Szabo, A. E., Vinkler, E. & Sohár, P., 1977, In : Archiv der Pharmazie. 310, 11, p. 865-872 8 p.

Research output: Article

1 Citation (Scopus)
Pharmaceutic Aids
Naphthalenes
Hydroxyquinolines
Oxyquinoline
Naphthols
14 Citations (Scopus)
Norbornanes
Butanes
Stereoisomerism
Methane
Ammonia
17 Citations (Scopus)
Norbornanes
Thiones
mass spectra
electron impact
Ionization
8 Citations (Scopus)

Electron‐impact induced fragmentations of some quinazolinediones and benzoxazinones

Himottu, M., Pihlaja, K., Stájer, G. & Vainiotalo, P., 1993, In : Rapid Communications in Mass Spectrometry. 7, 5, p. 374-377 4 p.

Research output: Article

Benzoxazines
Quinazolinones
Carbon Dioxide
2,4(1H,3H)-quinazolinedione
18 Citations (Scopus)
Impact ionization
Cyclization
Mass spectrometry
Mass Spectrometry
Substitution reactions
2 Citations (Scopus)

Electron ionization fragmentation of some isoindolone derivatives

Mäki, E., Csende, F., Stájer, G., Vainiotalo, P. & Pihlaja, K., 1994, In : Rapid Communications in Mass Spectrometry. 8, 10, p. 858-862 5 p.

Research output: Article

Ionization
Ions
Derivatives
Electrons
Isoindol-1-one
5 Citations (Scopus)
Thiones
Cycloparaffins
Ionization
Ions
Electrons
8 Citations (Scopus)
Norbornanes
Oxazines
Mass spectrometry
fragmentation
mass spectroscopy
1 Citation (Scopus)

Identity reaction and determination of primidone

Stájer, G., Bertha, A. & Sohár, P., 1980, In : Scientia Pharmaceutica. 48, 1, p. 62-68 7 p.

Research output: Article

Primidone
3 Citations (Scopus)
Norbornanes
Acetates
Acids
X ray crystallography
X Ray Crystallography
11 Citations (Scopus)

Isomerization and application of aroylnorbornene-carboxylic acids for stereoselective preparation of heterocycles

Miklós, F., Sohár, P., Csámpai, A., Sillanpää, R., Péter, M. & Stájer, G., dec. 1 2002, In : Heterocycles. 57, 12, p. 2309-2320 12 p.

Research output: Article

Isomerization
Carboxylic Acids
Heptanes
Cross-Linking Reagents
Putrescine
Cycloaddition Reaction
Norbornanes
Color
Cross-Linking Reagents
Oxadiazoles
3 Citations (Scopus)
Anhydrides
Toluene
Lactones
Norbornanes
Cycloparaffins
1 Citation (Scopus)
Cycloparaffins
Ionization
Ions
Derivatives
Electrons
10 Citations (Scopus)
Cyclic Amino Acids
Ionization
Isomers
Electrons
Norbornanes
19 Citations (Scopus)
Norbornanes
Pyrimidinones
Charge density
electron impact
Mass spectrometry
7 Citations (Scopus)
Aniline Compounds
Mass Behavior
Aniline
Isomers
electron impact
Benzoxazines
Ionization
Electrons
Atoms
Nitrogen
5 Citations (Scopus)
Cycloparaffins
Pyrimidinones
Isomers
mass spectra
electron impact