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1

ChemInform Abstract: A Short and Efficient Anellation Sequence for the Synthesis of Bicyclic Intermediates in the Total Synthesis of Strigol and Its Analogues.

I. KADAS, G. ARVAI, L. TOEKE

Journal:

Year:

1997

File:

PDF, 28 KB

1997

2

ChemInform Abstract: Synthesis of Functionalized P-Heterocycles Including Phosphine-Borane Complexes

G. KEGLEVICH, L. TOEKE, K. UJSZASZY, A. SZOELLOESY

Journal:

Year:

1997

File:

PDF, 25 KB

1997

3

ChemInform Abstract: Phosphite Addition to Carbonyl Group and Phosphoryl Migration under Phase Transfer Catalytic Circumstances

I. PETNEHAZY, Z. M. JASZAY, L. TOEKE

Journal:

Year:

1997

File:

PDF, 24 KB

1997

4

ChemInform Abstract: A PTC Method for the Preparation of Iodomalonic Acid Esters.

Z. HELL, Z. FINTA, L. TOEKE

Journal:

Year:

1997

File:

PDF, 25 KB

1997

5

ChemInform Abstract: 1,3-Dipolar Cycloaddition Approach to Indolic Aza-Analogues of Cephalotaxine.

M. NYERGES, M. RUDAS, I. BITTER, L. TOEKE, C. JUN. SZANTAY

Journal:

Year:

1997

File:

PDF, 31 KB

1997

6

ChemInform Abstract: Asymmetric C-C Bond Forming Reactions by Chiral Crown Catalysts; Darzens Condensation and Nitroalkane Addition to the Double Bond.

P. BAKO, A. SZOELLOESY, P. BOMBICZ, L. TOEKE

Journal:

Year:

1997

File:

PDF, 28 KB

1997

7

ChemInform Abstract: Asymmetric Michael Addition of 2-Nitropropane to a Chalcone Catalyzed by Chiral Crown Ethers Incorporating a D-Glucose Unit.

P. BAKO, L. TOEKE, A. SZOELLOESY, P. BOMBICZ

Journal:

Year:

1997

File:

PDF, 29 KB

1997

8

ChemInform Abstract: Monodechlorination of 6,6-Dichloro-3-phosphabicyclo(3.1.0)hexane 3- Oxides by Catalytic Hydrogenation.

G. KEGLEVICH, T. NOVAK, A. TUNGLER, L. HEGEDUES, A. SZOELLOESY, K. LUDANYI, L. TOEKE

Journal:

Year:

1997

File:

PDF, 31 KB

1997

9

ChemInform Abstract: Chiral Azacrown Ethers Derived from D-Glucose as Catalysts for Enantioselective Michael Addition.

P. BAKO, T. KISS, L. TOEKE

Journal:

Year:

1998

File:

PDF, 29 KB

1998

10

ChemInform Abstract: Synthesis of 1,2,3,6-Tetrahydrophosphorin 1-Oxides by Regioselective Reduction.

G. KEGLEVICH, Z. BOECSKEI, K. UJSZASZY, L. TOEKE

Journal:

Year:

1998

File:

PDF, 27 KB

1998

11

ChemInform Abstract: N,N,N′,N′,N′′-Pentamethyldipropylenetriamine (PMDPTA): A Versatile Auxiliary for Site Selective Lithiation Reactions.

A. THURNER, F. FAIGL, B. AGAI, L. TOEKE

Journal:

Year:

1998

File:

PDF, 31 KB

1998

12

ChemInform Abstract: A New Base-Promoted Rearrangement of (E)-1-Benzyloxy-2,3-epoxyalkanes.

A. THURNER, F. FAIGL, A. MORDINI, A. BIGI, G. REGINATO, L. TOEKE

Journal:

Year:

1999

File:

PDF, 34 KB

1999

13

ChemInform Abstract: Diastereoselectivity in the Formation of Bicyclic Cyclopropane Carboxylic Acid Lactones.

Zoltan Hell, Zoltan Finta, Tamas Gruenvald, Zsolt Boecskei, Daniella Balan, Gyoergy M. Keserue, Laszlo Toeke

Journal:

Year:

1999

File:

PDF, 29 KB

1999

14

ChemInform Abstract: A New Reaction of 1-(2,4,6-Trialkylphenyl)phospholes with Heteroaromatic Character; Aromatic Electrophilic Substitution under the Conditions of Friedel—Crafts Acylation.

Gyoergy Keglevich, Tungalag Chuluunbaatar, Beata Dajka, Andras Dobo, Aron Szoellosy, Laszlo Toeke

Journal:

Year:

2000

File:

PDF, 32 KB

2000

15

ChemInform Abstract: On the Cycloaddition of Arylphosphine Oxides with Dimethyl Acetylenedicarboxylate.

Gyoergy Keglevich, Tamas Koertvelyesi, Henrietta Forintos, Annamaria Tamas, Krisztina Ludanyi, Vladiszlav Izvekov, Laszlo Toeke

Journal:

Year:

2001

File:

PDF, 30 KB

2001

16

ChemInform Abstract: Synthesis and Separation of Substituted Cyclopropane Carboxylic Acid Amide Isomers.

Zoltan Finta, Zoltan Hell, Jozsef Balint, Adrienn Takacs, Laszlo Parkanyi, Laszlo Toeke

Journal:

Year:

2001

File:

PDF, 27 KB

2001

17

ChemInform Abstract: A New and Convenient Synthesis of 1-Aryl-2-dimethylaminoethanols

Miklos Nyerges, Imre Fejes, Andrea Viranyi, Paul W. Groundwater, Laszlo Toeke

Journal:

Year:

2001

File:

PDF, 28 KB

2001

18

ChemInform Abstract: The Synthesis of Six-Membered P-Heterocycles with Sterically Demanding Substituent on the Phosphorus Atom.

Gyoergy Keglevich, Henrietta Forintos, Melinda Sipos, Andras Dobo, Krisztina Ludanyi, Karoly Vekey, Antal Tungler, Laszlo Toeke

Journal:

Year:

2002

File:

PDF, 29 KB

2002

19

ChemInform Abstract: Studies on Calix(aza)crowns. Part 4. Synthesis and Structure Elucidation of Chromogenic Calix[4]arene Indophenols Capped by Carboxamide Bridges.

Barbara Balazs, Gabor Toth, Gyula Horvath, Alajos Gruen, Viktor Csokai, Laszlo Toeke, Istvan Bitter

Journal:

Year:

2002

File:

PDF, 25 KB

2002

20

A Convenient Synthesis of the Pyrrolo[3,2-c]quinoline Core of Martinelline Alkaloids.

Miklos Nyerges, Imre Fejes, Laszlo Toeke

Journal:

Year:

2002

File:

PDF, 29 KB

2002

21

Unexpected Condensation Reaction of Two Units of 1,2-Dihydrophosphinine 1-Oxides in the Presence of Tetracyanoethylene.

Gyoergy Keglevich, Janos Kovacs, Aron Szoelloesy, Attila Kovacs, Andrea Szabo, Krisztina Ludanyi, Istvan Kadas, Laszlo Toeke

Journal:

Year:

2003

File:

PDF, 93 KB

2003

22

Synthesis of Pyrrolo[3,4-c]quinolines by 1,5-Electrocyclization of Non-stabilized Azomethine Ylides.

Aron Pinter, Miklos Nyerges, Andrea Viranyi, Laszlo Toeke

Journal:

Year:

2003

File:

PDF, 13 KB

2003

23

The First Enantioselective Synthesis of α-Aminophosphinates.

Andrea Szabo, Zsuzsa M. Jaszay, Laszlo Hegedues, Laszlo Toeke, Imre Petnehazy

Journal:

Year:

2003

File:

PDF, 98 KB

2003

24

2,4,6-Trialkylphenyl-2H-phospholes from Slightly Aromatic 1H-Phospholes and Their Use in [4 + 2] Cycloaddition Reactions.

Gyoergy Keglevich, Renata Farkas, Timea Imre, Krisztina Ludanyi, Aron Szoelloesy, Laszlo Toeke

Journal:

Year:

2003

Language:

english

File:

PDF, 101 KB

english, 2003

25

Efficient Methods for Optional Metalation of 1-(Methylphenyl)pyrroles in α or Benzylic Positions.

Ferenc Faigl, Angelika Thurner, Bernadett Vass, Laszlo Toeke

Journal:

Year:

2003

File:

PDF, 162 KB

2003

26

Enantioselective Michael Addition of 2-Nitropropane to Chalcone Analogues Catalyzed by Chiral Azacrown Ethers Based on α-D-Glucose and D-Mannitol.

Tibor Bako, Peter Bako, Gyoergy Keglevich, Nikoletta Bathori, Matyas Czugler, Janos Tatai, Tibor Novak, Gyula Parlagh, Laszlo Toeke

Journal:

Year:

2003

File:

PDF, 135 KB

2003

27

Fragmentation-Related Phosphinylations Using 2-Aryl-2-phosphabicyclo[2.2.2]oct-5-ene- and -octa-5,7-diene 2-Oxides.

Gyoergy Keglevich, Helga Szelke, Agnes Balint, Timea Imre, Krisztina Ludanyi, Zoltan Nagy, Miklos Hanusz, Kalman Simon, Veronika Harmat, Laszlo Toeke

Journal:

Year:

2003

File:

PDF, 117 KB

2003

28

Synthesis of 5-Substituted Indole Derivatives. Part 4. Naratriptan from α-Anilinoacetaldehyde Dimethylacetal by TiCl4-Mediated Cyclization.

Bela Pete, Gyula Simig, Laszlo Poszavacz, Laszlo Toeke

Journal:

Year:

2004

File:

PDF, 127 KB

2004

29

Synthesis of 5-Substituted Indole Derivatives. Part 5. A Synthesis of 5-Formyl-1H-indole-2-carboxylates: The CH2SO3H Functionality as a Masked Formyl Group.

Bela Pete, Gyula Parlagh, Laszlo Toeke

Journal:

Year:

2004

File:

PDF, 110 KB

2004

30

A Convenient Synthesis of Pyrrolo[3,4-c]quinolines.

Andrea Viranyi, Miklos Nyerges, Gabor Blasko, Laszlo Toeke

Journal:

Year:

2004

File:

PDF, 141 KB

2004

31

Reactions of β-Oxo-α,β-bis(alkoxycarbonyl)phosphonium Ylides Based on P-Heterocycles.

Gyoergy Keglevich, Henrietta Forintos, Aniko Ujvari, Timea Imre, Krisztina Ludanyi, Zoltan Nagy, Laszlo Toeke

Journal:

Year:

2004

File:

PDF, 21 KB

2004

32

Synthesis of Indazole-N-oxides via the 1,7-Electrocyclization of Azomethine Ylides.

Miklos Nyerges, Andrea Viranyi, Weimin Zhang, Paul W. Groundwater, Gabor Blasko, Laszlo Toeke

Journal:

Year:

2005

File:

PDF, 28 KB

2005

33

Efficient Synthesis of Mixed Phosphonates by the Fragmentation-Related Phosphorylation of Alcohols Applying a 2-Phosphabicyclo[2.2.2]octa-5,7-diene 2-Oxide Precursor.

Helga Szelke, Krisztina Ludanyi, Timea Imre, Zoltan Nagy, Karoly Vekey, Laszlo Toeke, Gyoergy Keglevich

Journal:

Year:

2005

File:

PDF, 16 KB

2005

34

Synthesis of 1-Aryl-1,2,3,4,5,6-hexahydrophosphinine 1-Oxides.

Gyoergy Keglevich, Melinda Sipos, Dora Lengyel, Henrietta Forintos, Tamas Koertvelyesi, Timea Imre, Laszlo Toeke

Journal:

Year:

2005

File:

PDF, 19 KB

2005

35

Synthesis of Benz[5,6]azepino[4,3-b]indoles by 1,7-Electrocyclization of Azomethine Ylides.

Miklos Nyerges, Aron Pinter, Andrea Viranyi, Istvan Bitter, Laszlo Toeke

Journal:

Year:

2005

File:

PDF, 21 KB

2005

36

3-Nitrochromene Derivatives as 2π Components in 1,3-Dipolar Cycloadditions of Azomethine Ylides.

Miklos Nyerges, Andrea Viranyi, Gabriella Marth, Andras Dancso, Gabor Blasko, Laszlo Toeke

Journal:

Year:

2005

File:

PDF, 33 KB

2005

37

Generation and Utilization of P-Cyclic α-Methoxycarbonylmethylenephosphoranes.

Gyoergy Keglevich, Henrietta Forintos, Aniko Ujvari, Krisztina Ludanyi, Istvan Bitter, Laszlo Toeke

Journal:

Year:

2005

File:

PDF, 20 KB

2005

38

Synthesis of Pyrrolo[3,4-c]quinolines by 1,5-Electrocyclization of Non-Stabilized Azomethine Ylides.

Miklos Nyerges, Aron Pinter, Andrea Viranyi, Gabor Blasko, Laszlo Toeke

Journal:

Year:

2005

File:

PDF, 16 KB

2005

39

A Novel One-Pot, Three-Component Access to Hexahydropyrrolo[2,1-a]isoquinolines by an Alkylation—Dehydrohalogenation—1,3-Dipolar Cycloaddition Sequence.

Miklos Nyerges, Barbara Somfai, Judit Toth, Laszlo Toeke, Andras Dansco, Gabor Blasko

Journal:

Year:

2005

File:

PDF, 30 KB

2005

40

Novel Reactions of 6,7-Dimethoxy-3,4-dihydroisoquinoline and 3,4-Dihydro-β-carboline with Dipolarophiles.

Miklos Nyerges, Andras Dancso, Istvan Bitter, Gabor Blasko, Laszlo Toeke

Journal:

Year:

2006

File:

PDF, 25 KB

2006

41

ChemInform Abstract: Asymmetric Synthesis of Substituted α-Amino Phosphonates with Chiral Crown Ethers as Catalysts.

Zsuzsa Jaszay, Son Pham Truong, Gabriella Nemeth, Peter Bako, Imre Petnehazy, Laszlo Toeke

Journal:

Year:

2009

File:

PDF, 29 KB

2009

42

ChemInform Abstract: Intramolecular 1,3-Dipolar Cycloaddition of Azomethine Ylides Leading to Pyrido[2,3-b]quinolines.

Judit Toth, Barbara Somfai, Gabor Blasko, Andras Dancso, Laszlo Toeke, Miklos Nyerges

Journal:

Year:

2009

File:

PDF, 25 KB

2009

43

ChemInform Abstract: Novel Oxidation of Substituted Pyrrolidines by N-Bromosuccinimide: Rapid Synthesis of Pyrrolo[2,1-a]isoquinolines.

Judit Toth, Linda Varadi, Andras Dancso, Gabor Blasko, Laszlo Toeke, Miklos Nyerges

Journal:

Year:

2010

File:

PDF, 40 KB

2010

44

ChemInform Abstract: Efficient Solid/Liquid Phase-Transfer Catalytic Diazo Transfer Synthesis.

Zsuzsa M. Jaszay, Truong Son Pham, Katalin Goenczi, Imre Petnehazy, Laszlo Toeke

Journal:

Year:

2010

File:

PDF, 20 KB

2010

45

ChemInform Abstract: Half-Wave Potential as a Tool for Predicting the Scope and Limitation of the Reaction of α,β-Unsaturated Ketones with a Phosphorus Nucleophile.

I. PETNEHAZY, G. CLEMENTIS, Z. M. JASZAY, P. TOEMPE, L. TOEKE

Journal:

Year:

1996

File:

PDF, 28 KB

1996

46

ChemInform Abstract: 1,3-Dipolar Cycloaddition Approach Towards the Stereoselective Preparation of Aza-Cephalotaxine Skeleton.

M. NYERGES, I. BITTER, I. KADAS, G. TOTH, L. TOEKE

Journal:

Year:

1996

File:

PDF, 30 KB

1996

47

ChemInform Abstract: Synthesis of Phenanthridin-6(5H)-ones.

L. BALAZS, M. NYERGES, I. KADAS, L. TOEKE

Journal:

Year:

1996

File:

PDF, 28 KB

1996

48

ChemInform Abstract: Influence of Ag(I) and Li(I) Catalysts for 1,3-Dipolar Cycloaddition Reactions of Azomethine Ylides. Reversal of the Stereochemistry.

M. NYERGES, M. RUDAS, G. TOTH, B. HERENYI, I. KADAS, I. BITTER, L. TOEKE

Journal:

Year:

1996

File:

PDF, 29 KB

1996

49

A Chemical and Pharmacological Investigation of Piper Methysticum Forst

Klohs, M. W., Keller, F., Williams, R. E., Toekes, M. I., Cronheim, G. E.

Journal:

Journal of Medicinal Chemistry

Year:

1959

Language:

english

File:

PDF, 427 KB

english, 1959

50

New Type Sedative and Soporific Drug

CRONHEIM, G., GOURZIS, J. T., TOEKES, I. M.

Journal:

Year:

1958

Language:

english

File:

PDF, 548 KB

english, 1958

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