Hell, Zoltan: search on Z-Library

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1

A new, environmentally-friendly method for the Bischler–Napieralski cyclization using zeolite catalyst

Adrienn Hegedüs, Zoltán Hell, Attila Potor

Journal:

Catalysis Communications

Year:

2006

Language:

english

File:

PDF, 110 KB

english, 2006

2

Palladium-catalyzed transfer hydrogenation of nitrobenzenes: investigation of the selectivity

Németh, János, Kiss, Árpád, Hell, Zoltán

Journal:

Reaction Kinetics, Mechanisms and Catalysis

Year:

2014

Language:

english

File:

PDF, 247 KB

english, 2014

3

Zeolite-catalyzed simple synthesis of isochromans via the oxa-Pictet–Spengler reaction

Hegedüs, Adrienn, Hell, Zoltán

Journal:

Organic & Biomolecular Chemistry

Year:

2006

Language:

english

File:

PDF, 99 KB

english, 2006

4

Zeolite-catalyzed Pechmann synthesis of coumarins

Adrienn Hegedüs, Zoltán Hell

Journal:

Catalysis Letters

Year:

2006

Language:

english

File:

PDF, 517 KB

english, 2006

5

Synthesis and resolution of a Tolperisone metabolite

József Bálint, Zoltán Hell, Imre Markovits, László Párkányi, Elemér Fogassy

Journal:

Tetrahedron: Asymmetry

Year:

2000

Language:

english

File:

PDF, 162 KB

english, 2000

6

ChemInform Abstract: A Heterogeneous Catalytic Method for the Conversion of Nitriles into Amides Using Molecular Sieves Modified with Copper(II).

Arpad Kiss, Zoltan Hell

Journal:

Year:

2012

File:

PDF, 27 KB

2012

7

A simple synthesis of 2-substituted oxazolines and oxazines

Agnieszka Cwik, Zoltán Hell, Adrienn Hegedüs, Zoltán Finta, Zoltán Horváth

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 76 KB

english, 2002

8

A heterogeneous catalytic method for the conversion of nitriles into amides using molecular sieves modified with copper(II)

Árpád Kiss, Zoltán Hell

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 790 KB

english, 2011

9

Structure determination and molecular modelling of an unexpected side product of a cyclopropane lactone formation process

Ferenc Faigl, Zoltán Finta, Zoltán Hell, Tamás Kárpáti, Veronika Harmat, István Kövesdi, László Tőke

Journal:

Journal of Molecular Structure

Year:

2004

Language:

english

File:

PDF, 158 KB

english, 2004

10

One-step preparation of 1-substituted tetrahydroisoquinolines via the Pictet–Spengler reaction using zeolite catalysts

Adrienn Hegedüs, Zoltán Hell

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 244 KB

english, 2004

11

Diastereoselectivity in the formation of bicyclic cyclopropane carboxylic acid lactones

Zoltán Hell, Zoltán Finta, Tamás Grünvald, Zsolt Böcskei, Daniella Balán, György M. Keseru&amp, #x030B, , László To&amp, #x030B, ke

Journal:

Year:

1999

Language:

english

File:

PDF, 518 KB

english, 1999

12

Decomposition of organic hydroperoxides on cation exchangers XV. The kinetics of the decomposition process ofp-isopropylcumene hydroperoxide on a catalyst of montmorillonite type

János Vodnár, Sándor Békássy, Nicu Dulămiţă, István Lőrinczi, Zoltán Hell

Journal:

Reaction Kinetics, Mechanisms and Catalysis

Year:

2004

Language:

english

File:

PDF, 83 KB

english, 2004

13

Catalytic Transfer Hydrogenation and Hydrogenolysis in Ionic Liquids with Pd/MgLa Mixed Oxide and Pd/MgAl Hydrotalcite as Recyclable Catalysts

Baán, Zoltán, Potor, Attila, Cwik, Agnieszka, Hell, Zoltán, Keglevich, György, Finta, Zoltán, Hermecz, István

Journal:

Synthetic Communications

Year:

2008

Language:

english

File:

PDF, 94 KB

english, 2008

14

A PTC Method for the Preparation of Iodomalonic Acid Esters

Hell, Zoltán, Finta, Zoltán, Tőke, László

Journal:

Synthetic Communications

Year:

1997

Language:

english

File:

PDF, 150 KB

english, 1997

15

Efficient Method for Removal of a Carboxylic Acid Moiety from Sterically Crowded Cyclopropanedicarboxylic Acid Derivatives

Hell, Zoltán, TŌke, László

Journal:

Synthetic Communications

Year:

1996

Language:

english

File:

PDF, 222 KB

english, 1996

16

One-Pot Three-Component Synthesis of 2,3-Dihydroquinazolin-4(1H)-Ones in the Presence of a Molecular Sieve Supported Lanthanum Catalyst

Magyar, Ágnes, Hell, Zoltán

Journal:

Catalysis Letters

Year:

2016

Language:

english

File:

PDF, 1.64 MB

english, 2016

17

Palladium/Magnesium-Lanthanum Mixed Oxide Catalyst in the Heck Reaction

Agnieszka Cwik, Zoltán Hell, François Figueras

Journal:

Advanced Synthesis & Catalysis

Year:

2006

Language:

english

File:

PDF, 117 KB

english, 2006

18

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

19

A Simple Environmentally-friendly Method for the Selective Synthesis of 1,5-benzodiazepine Derivatives using Zeolite Catalyst

Adrienn Hegedüs, Zoltán Hell, Attila Potor

Journal:

Catalysis Letters

Year:

2005

Language:

english

File:

PDF, 181 KB

english, 2005

20

Modified Mg: Al Hydrotalcite in the Synthesis of Oxazolidin-2-ones.

Agnieszka Cwik, Aliz Fuchs, Zoltan Hell, Ildiko Boejtoes, Dora Halmai, Petra Bombicz

Journal:

Year:

2005

File:

PDF, 21 KB

2005

21

Zeolite-Catalyzed Environmentally Friendly Tetrahydropyranylation of Alcohols and Phenols.

Adrienn Hegedues, Ilona Vigh, Zoltan Hell

Journal:

Year:

2005

File:

PDF, 17 KB

2005

22

One-Step Preparation of 1-Substituted Tetrahydroisoquinolines via the Pictet—Spengler Reaction Using Zeolite Catalysts.

Adrienn Hegedues, Zoltan Hell

Journal:

Year:

2005

File:

PDF, 25 KB

2005

23

Effect of microwave irradiation on the formation of bicyclic cyclopropane derivatives

Finta, Zoltán, Hell, Zoltán, Tôke, László

Journal:

Journal of Chemical Research

Year:

2000

Language:

english

File:

PDF, 41 KB

english, 2000

24

Benzocrown derivatives as ionophores for alkali cations, II. Synthesis and comparison of urethane-, ether-, and ester-linked bis-crown compounds and several „crown-ring free” analogues

Lászlo Tőke, István Bitter, Béla Ágai, Zoltán Hell, Ernő Lindner, Klára Tóth, Mária Horváth, Salman Harfouch, Ernő Pungor

Journal:

European Journal of Organic Chemistry

Year:

1988

Language:

english

File:

PDF, 571 KB

english, 1988

25

Nucleophilic ring cleavage of crown ethers, novel method for building up crown ether rings

Béla Ágai, István Bitter, Zoltán Hell, Áron Szöllősy, László Tőke

Journal:

Tetrahedron Letters

Year:

1985

Language:

english

File:

PDF, 198 KB

english, 1985

26

A simple method for the preparation of propargylamines using molecular sieve modified with copper(ii)

Fodor, Anna, Kiss, Árpád, Debreczeni, Nóra, Hell, Zoltán, Gresits, Iván

Journal:

Organic & Biomolecular Chemistry

Year:

2010

Language:

english

File:

PDF, 237 KB

english, 2010

27

Heterogeneous catalytic 1,4-addition of arylmagnesium compounds to chalcones

Juhász, Kinga, Hell, Zoltán

Journal:

Tetrahedron Letters

Year:

2018

Language:

english

File:

PDF, 410 KB

english, 2018

28

Molecular Sieve Supported Lanthanum Catalyst for the Efficient Synthesis of Polyhydroquinolines via Hantzsch Synthesis

Magyar, Ágnes, Hell, Zoltán

Journal:

Periodica Polytechnica Chemical Engineering

Year:

2017

Language:

english

File:

PDF, 659 KB

english, 2017

29

A copper-free Sonogashira reaction using a Pd/MgLa mixed oxide

Agnieszka Cwik, Zoltán Hell, François Figueras

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 95 KB

english, 2006

30

Zeolite‐Catalyzed Environmentally Friendly Synthesis of Benzimidazole Derivatives

Hegedüs, Adrienn, Hell, Zoltán, Potor, Attila

Journal:

Synthetic Communications

Year:

2006

Language:

english

File:

PDF, 83 KB

english, 2006

31

Zeolite‐Catalyzed Environmentally Friendly Tetrahydropyranylation of Alcohols and Phenols

Hegedüs, Adrienn, Vígh, Ilona, Hell, Zoltán

Journal:

Synthetic Communications

Year:

2004

Language:

english

File:

PDF, 128 KB

english, 2004

32

Orthologous proteins of experimental de- and remyelination are differentially regulated in the CSF proteome of multiple sclerosis subtypes

Martin, Nellie A., Nawrocki, Arkadiusz, Molnar, Viktor, Elkjaer, Maria L., Thygesen, Eva K., Palkovits, Miklos, Acs, Peter, Sejbaek, Tobias, Nielsen, Helle H., Hegedus, Zoltan, Sellebjerg, Finn, Molna

Journal:

Year:

2018

Language:

english

File:

PDF, 15.16 MB

english, 2018

33

Zeolite-catalyzed simple synthesis of different heterocyclic rings, part 2

Adrienn Hegedüs, Ilona Vígh, Zoltán Hell

Journal:

Heteroatom Chemistry

Year:

2004

Language:

english

File:

PDF, 81 KB

english, 2004

34

A new, simple synthesis of 1,2-dihydroquinolinesviacyclocondensation using zeolite catalyst

Adrienn Hegedüs, Zoltán Hell, Tamás Vargadi, Attila Potor, Iván Gresits

Journal:

Catalysis Letters

Year:

2007

Language:

english

File:

PDF, 197 KB

english, 2007

35

Theoretical study on the 5-exo/6-endo selectivity in the cyclization of electrophilic radicals

György M. Keseru&amp, #x030B, , László To&amp, #x030B, ke, Zoltán Hell, Zsuzsanna M. Jászay, Imre Petneházy, László Korecz

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

1997

Language:

english

File:

PDF, 435 KB

english, 1997

36

Study of the Structure–Activity Relationship in a Heterogeneous Copper–Palladium Catalysed Suzuki–Miyaura Coupling

Fodor, Anna, Magyar, Ágnes, Barczikai, Dóra, Pirault-Roy, Laurence, Hell, Zoltán

Journal:

Catalysis Letters

Year:

2015

Language:

english

File:

PDF, 517 KB

english, 2015

37

ChemInform Abstract: Palladium-Catalyzed Transfer Hydrogenation of Aromatic Nitro Compounds - An Unusual Chain Elongation.

Nemeth, Janos, Kiss, Arpad, Hell, Zoltan

Journal:

Year:

2014

File:

PDF, 38 KB

2014

38

An efficient and environmental-friendly synthesis of 4-hydroxy-arylpiperidines using hydrotalcite catalyst

Agnieszka Cwik, Aliz Fuchs, Zoltán Hell, Jean-Marc Clacens

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2004

Language:

english

File:

PDF, 76 KB

english, 2004

39

Convenient One‐Pot Heterogeneous Catalytic Method for the Preparation of 3,4‐Dihydropyrimidin‐2(1H)‐ones

Hegedüs, Adrienn, Hell, Zoltán, Vígh, Ilona

Journal:

Synthetic Communications

Year:

2006

Language:

english

File:

PDF, 97 KB

english, 2006

40

Palladium-catalysed transfer hydrogenation of aromatic nitro compounds — an unusual chain elongation

Németh, János, Kiss, Árpád, Hell, Zoltán

Journal:

Tetrahedron Letters

Year:

2013

Language:

english

File:

PDF, 239 KB

english, 2013

41

ChemInform Abstract: Supported Metal Catalysts in Organic Syntheses

Kiss, Arpad, Nemeth, Janos, Fodor, Anna, Hell, Zoltan

Journal:

Year:

2015

File:

PDF, 12 KB

2015

42

ChemInform Abstract: Heterogenous Catalytic Method for the Conversion of Aldoximes into Nitriles Using Molecular Sieve Modified with Copper(II).

Kiss, Arpad, Hell, Zoltan

Journal:

Year:

2013

File:

PDF, 26 KB

2013

43

Copper(II)- and palladium(II)-modified molecular sieve, a reusable catalyst for the Suzuki–Miyaura-coupling

Fodor, Anna, Hell, Zoltán, Pirault-Roy, Laurence

Journal:

Applied Catalysis A: General

Year:

2014

Language:

english

File:

PDF, 5.89 MB

english, 2014

44

Spectroscopic Evidence for the Involvement of a Radical Intermediate in the Friedel-Crafts Benzylation Using Ion-Exchanged K10 Catalysts

Hell, Zoltán, Korecz, László, Békássy, Sándor

Journal:

Periodica Polytechnica Chemical Engineering

Year:

2018

Language:

english

File:

PDF, 489 KB

english, 2018

45

The Effect of the Catalyst on the Selectivity of the Heterogeneous 1,4-addition of Organomagnesium Compounds to Chalcone

Juhász, Kinga, Hell, Zoltán

Journal:

Periodica Polytechnica Chemical Engineering

Year:

2019

File:

PDF, 281 KB

2019

46

Reaction of non-activated olefins with CH-acids; a novel method for the preparation of electrophilic cyclopropanes

László Tóke, Gábor T Szabó, Zoltán Hell, Gábor Tóth

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 217 KB

english, 1990

47

Coupling of Boronic Acids with Amines in the Presence of a Supported Copper Catalyst

Nóra Debreczeni,Anna Fodor,Zoltán Hell

Journal:

Catalysis Letters

Year:

2014

Language:

english

File:

PDF, 1.67 MB

english, 2014

48

Selective synthesis of arylacetic acid esters from ethyl acetoacetate and aryl halides in the presence of copper(II) on 4Å molecular sieves

Zsolczai, Dávid, Németh, János, Hell, Zoltán

Journal:

Tetrahedron Letters

Year:

2015

Language:

english

File:

PDF, 352 KB

english, 2015

49

The Influence of the Nature of the Support on the Copper–Palladium Catalysed Suzuki–Miyaura-Coupling

Fodor, Anna, Hell, Zoltán, Pirault-Roy, Laurence

Journal:

Catalysis Letters

Year:

2016

Language:

english

File:

PDF, 1.73 MB

english, 2016

50

One-pot, three-component, selective synthesis of the polyfunctionalized 4H-pyran and 4H-benzo[b]pyran derivatives in the presence of a highly efficient molecular sieve-supported zinc catalyst

Magyar, Ágnes, Hell, Zoltán

Journal:

Green Processing and Synthesis

Year:

2017

Language:

english

File:

PDF, 1.46 MB

english, 2017

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