GyöRgy Keglevich: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

51

A study on the michael addition of dialkylphosphites to methylvinylketone

György Keglevich, Melinda Sipos, Daniella Takács, István Greiner

Journal:

Heteroatom Chemistry

Year:

2007

Language:

english

File:

PDF, 128 KB

english, 2007

52

A theoretical study on the mechanism of the baeyer–villiger type oxidation of 7-phosphanorbornene 7-Oxides

Attila Kovács, Dénes S. Nemcsok, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2007

Language:

english

File:

PDF, 444 KB

english, 2007

53

New P-ligands: 3-(ethyl-phenylphosphinato-) 1,2,3,6-tetrahydro- and 1,2,3,4,5,6-hexahydrophosphinine derivatives

Melinda Sipos, Tamás Körtvélyesi, Viktória Ujj, Krisztina Ludányi, Károly Vékey, László Tóke, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2007

Language:

english

File:

PDF, 368 KB

english, 2007

54

A new P-heterocyclic family: A variety of six-membered and bridged P-heterocycles with 1-benzyl substituent

Tibor Novák, János Deme, Krisztina Ludányi, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2008

Language:

english

File:

PDF, 227 KB

english, 2008

55

Synthesis and conformational study of P-heterocyclic androst-5-ene derivatives

Éva Frank, Balázs Schäfer, Zoltán Mucsi, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2008

Language:

english

File:

PDF, 264 KB

english, 2008

56

Synthesis of cyclic aminomethylphosphonates and aminomethyl-arylphosphinic acids by an efficient microwave-mediated phospha-mannich approach

György Keglevich, Anna Szekrényi, Melinda Sipos, Krisztina Ludányi, István Greiner

Journal:

Heteroatom Chemistry

Year:

2008

Language:

english

File:

PDF, 124 KB

english, 2008

57

Phospha-michael reactions involving p-heterocyclic nucleophiles

György Keglevich, Melinda Sipos, Daniella Takács, Krisztina Ludányi

Journal:

Heteroatom Chemistry

Year:

2008

Language:

english

File:

PDF, 142 KB

english, 2008

58

Synthesis of α-hydroxy-methylenebisphos-phonates by the microwave-assisted reaction of α-oxophosphonates and dialkyl phosphites under solventless conditions

Alajos Grün, István Gábor Molnár, Béla Bertók, István Greiner, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2009

Language:

english

File:

PDF, 84 KB

english, 2009

59

A new family of platinum(II) complexes incorporating five- and six-membered cyclic phosphine ligands

Andrea Kerényi, Viktória Kovács, Tamás Körtvélyesi, Krisztina Ludányi, László Drahos, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2010

Language:

english

File:

PDF, 364 KB

english, 2010

60

Alkylating esterification of 1-hydroxy-3-phospholene oxides under solventless MW conditions

Erika Bálint, Erzsébet Jablonkai, Mária Bálint, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2010

Language:

english

File:

PDF, 85 KB

english, 2010

61

The synthesis of optically active P-heterocycles

György Keglevich, Judit Dvorszki, Viktória Ujj, Krisztina Ludányi

Journal:

Heteroatom Chemistry

Year:

2010

Language:

english

File:

PDF, 128 KB

english, 2010

62

Solid–liquid two-phase alkylation of tetraethyl methylenebisphosphonate under microwave irradiation

István Greiner, Alajos Grün, Krisztina Ludányi, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2011

Language:

english

File:

PDF, 72 KB

english, 2011

63

Microwave-assisted synthesis of α-hydroxy-benzylphosphonates and -benzylphosphine oxides

György Keglevich, Viola Róza Tóth, Lászó Drahos

Journal:

Heteroatom Chemistry

Year:

2011

Language:

english

File:

PDF, 72 KB

english, 2011

64

A study on the Kabachnik–Fields reaction of benzaldehyde, propylamine, and diethyl phosphite by in situ Fourier transform IR spectroscopy

György Keglevich, András Fehérvári, István Csontos

Journal:

Heteroatom Chemistry

Year:

2011

Language:

english

File:

PDF, 322 KB

english, 2011

65

Solid–liquid phase alkylation of P=O–functionalized CH acidic compounds utilizing phase transfer catalysis and microwave irradiation

György Keglevich, Alajos Grün, Zsófia Blastik, István Greiner

Journal:

Heteroatom Chemistry

Year:

2011

Language:

english

File:

PDF, 92 KB

english, 2011

66

Phenyl-, benzyl-, and unsymmetrical hydroxy-methylenebisphosphonates as dronic acid ester analogues from α-oxophosphonates by microwave-assisted syntheses

György Keglevich, Alajos Grün, István Gábor Molnár, István Greiner

Journal:

Heteroatom Chemistry

Year:

2011

Language:

english

File:

PDF, 115 KB

english, 2011

67

Synthesis and use of borane and platinum(II) complexes of 3-diphenylphosphino-1- phenylphospholane (LuPhos)

K. Michał Pietrusiewicz, Anna Flis, Viktória Ujj, Tamás Körtvélyesi, László Drahos, Péter Pongrácz, László Kollár, György Keglevich

Journal:

Heteroatom Chemistry

Year:

2011

Language:

english

File:

PDF, 254 KB

english, 2011

68

Convenient synthesis of 1-alkoxy-1,2-dihydrophosphinine 1-oxides by ring enlargement

GyöRgy Keglevich, JáNos Brlik, Frank Janke, László Tőke

Journal:

Heteroatom Chemistry

Year:

1990

Language:

english

File:

PDF, 432 KB

english, 1990

69

Diels-Alder adducts of 4-chloro-1,6-dihydrophosphinine derivatives: A new precursor of 2-phosphapropene

Louis D. Quin, Jian-Sheng Tang, György Keglevich

Journal:

Heteroatom Chemistry

Year:

1991

Language:

english

File:

PDF, 1019 KB

english, 1991

70

Photochemical fragmentation of the 2-phosphabicyclo[2.2.2]octa-5,7-diene ring system as a versatile method for generating 3-coordinate methylene phosphine oxides and sulfides

Louis D. Quin, Jian-Sheng Tang, Gyöngyi S. Quin, György Keglevich

Journal:

Heteroatom Chemistry

Year:

1993

Language:

english

File:

PDF, 695 KB

english, 1993

71

P-Substituted 3-phosphabicyclo [3.1.0] hexane 3-oxides from diastereoselective substitution at phosphorus

György Keglevich, Attila Kovács, László Tőke, Kálmán Újszászy, Gyula Argay, Mátyás Czugler, Alajos Kálmán

Journal:

Heteroatom Chemistry

Year:

1993

Language:

english

File:

PDF, 593 KB

english, 1993

72

Generation of methylenephosphine oxides by thermal fragmentation of derivatives of the 2-phosphabicyclo [2.2.2] octa-5,7-diene oxide ring system

György Keglevich, Kálmán Újszászy, Louis D. Quin, Gyöngyi S. Quin

Journal:

Heteroatom Chemistry

Year:

1993

Language:

english

File:

PDF, 410 KB

english, 1993

73

Study on the aromaticity and reactivity of chlorophosphinines

László Nyulászi, György Keglevich

Journal:

Heteroatom Chemistry

Year:

1994

Language:

english

File:

PDF, 589 KB

english, 1994

74

Synthesis of the P-sulfide derivatives of 3-phosphabicyclo[3.1.0]hexanes and 1,2-dihydrophosphinines

György Keglevich, László Tőke, Csaba Lovász, Kálmán Újszászy, Gábor Szalontai

Journal:

Heteroatom Chemistry

Year:

1994

Language:

english

File:

PDF, 604 KB

english, 1994

75

Stereostructure of 8-chloro-5,6-di(methoxycarbonyl)-4,7-dimethyl-2-ethoxy-2-phosphabicyclo[2.2.2]octa-5,7-diene 2-oxide

György Keglevich, László Tőke, Zsolt Böcskei, Dóra Menyhárd, Louis D. Quin

Journal:

Heteroatom Chemistry

Year:

1995

Language:

english

File:

PDF, 263 KB

english, 1995

76

“ESHC (sopron) plenary lecture” exciting fields in P-heterocyclic chemistry

György Keglevich

Journal:

Journal of Heterocyclic Chemistry

Year:

2005

Language:

english

File:

PDF, 249 KB

english, 2005

77

Conformational studies of benzophosphabicyclooctenes

Gábor Tóth, Attila Kovács, György Keglevich, Helmut Duddeck

Journal:

Magnetic Resonance in Chemistry

Year:

1992

Language:

english

File:

PDF, 360 KB

english, 1992

78

Synthesis of phosphine-borane complexes of P-heterocycles

György Keglevich, Kálmán Újszászy, Áron Szöllősy, Krisztina Ludányi, László Tőke

Journal:

Journal of Organometallic Chemistry

Year:

1996

Language:

english

File:

PDF, 550 KB

english, 1996

79

Carbonylation reactions catalysed by rhodium(III) and palladium(II) complexes containing novel phosphine ligands

György Keglevich, Tamás Kégl, Irina L. Odinets, Natalya M. Vinogradova, László Kollár

Journal:

Comptes Rendus Chimie

Year:

2004

File:

PDF, 183 KB

2004

80

4-Chloro-5-methyl-3-diphenylphosphino-1-phenyl-1,2,3,6-tetrahydrophosphinine as a bidentate P-ligand in a cis chelate Pt(II) complex

György Keglevich, Melinda Sipos, Dénes Szieberth, György Petőcz, László Kollár

Journal:

Journal of Organometallic Chemistry

Year:

2004

Language:

english

File:

PDF, 329 KB

english, 2004

81

Novel functionalised P-ligands: advances and application

Irina L. Odinets, Natalya M. Vinogradova, Ekaterina V. Matveeva, Denis D. Golovanov, Konstantin A. Lyssenko, György Keglevich, László Kollár, Gerd-Volker Roëschenthaler, Tatyana A. Mastryukova

Journal:

Journal of Organometallic Chemistry

Year:

2005

Language:

english

File:

PDF, 520 KB

english, 2005

82

A quantum chemical study on the reaction of 1-aryl-1,2-dihydrophosphinine oxides with dimethyl acetylenedicarboxylate

György Keglevich, Tamás Körtvélyesi, Anikó Ujvári, Eszter Dudás

Journal:

Journal of Organometallic Chemistry

Year:

2005

Language:

english

File:

PDF, 520 KB

english, 2005

83

Novel α-fluorinated cyclic phosphite and phosphinite ligands and their Rh-complexes as suitable catalysts in hydroformylation

Irina Odinets, Tamás Kégl, Elena Sharova, Oleg Artyushin, Evgenii Goryunov, Galina Molchanova, Konstantin Lyssenko, Tatyana Mastryukova, Gerd-Volker Röschenthaler, György Keglevich, László Kollár

Journal:

Journal of Organometallic Chemistry

Year:

2005

Language:

english

File:

PDF, 243 KB

english, 2005

84

2-Diphenylphosphino-2′-hydroxybiphenyl-based P-ligands and their platinum(II) complexes

György Keglevich, Andrea Kerényi, Helga Szelke, Krisztina Ludányi, Tamás Körtvélyesi

Journal:

Journal of Organometallic Chemistry

Year:

2006

Language:

english

File:

PDF, 515 KB

english, 2006

85

α-Fluorinated cyclic amidophosphite ligands. Their synthesis, Rh complexes and catalytic activity in the hydroformylation of styrene

Oleg Artyushin, Irina Odinets, Evgenii Goryunov, Ivan Fedyanin, Konstantin Lyssenko, Tatyana Mastryukova, Gerd-Volker Röschenthaler, Tamás Kégl, György Keglevich, László Kollár

Journal:

Journal of Organometallic Chemistry

Year:

2006

Language:

english

File:

PDF, 676 KB

english, 2006

86

Hydroformylation of styrene in the presence of platinum(II) complex catalysts incorporating cyclic phosphines and phosphonous diesters as P-ligands

Péter Pongrácz, László Kollár, Andrea Kerényi, Viktória Kovács, Viktória Ujj, György Keglevich

Journal:

Journal of Organometallic Chemistry

Year:

2011

Language:

english

File:

PDF, 200 KB

english, 2011

87

Theoretical study of the asymmetric phase-transfer mediated epoxidation of chalcone catalyzed by chiral crown ethers derived from monosaccharides

Attila Makó, Dóra K. Menyhárd, Péter Bakó, György Keglevich, László Tőke

Journal:

Journal of Molecular Structure

Year:

2008

Language:

english

File:

PDF, 335 KB

english, 2008

88

Aryl-2,3-oxaphosphabicyclo[2.2.2]octene derivatives—the precursors of oxoarylphosphine oxides (aryl metaphosphonates)

Stefan Jankowski, György Keglevich, Tomasz Nonas, Henrietta Forintos, Marek Główka, Juliusz Rudziński

Journal:

Year:

2004

Language:

english

File:

PDF, 417 KB

english, 2004

89

Weak intramolecular interactions as controlling factors in the diastereoselective formation of 3-phosphinoxido- and 3-phosphono-1,2,3,6-tetrahydrophosphinine 1-oxides

György Keglevich, Melinda Sipos, Dénes Szieberth, László Nyulászi, Tı́mea Imre, Krisztina Ludányi, László Tőke

Journal:

Year:

2004

Language:

english

File:

PDF, 325 KB

english, 2004

90

The influence of exocyclic phosphorous substituents on the intrinsic stability of four-membered heterophosphetes: a theoretical study

Zoltán Mucsi, István Hermecz, Béla Viskolcz, Imre G. Csizmadia, György Keglevich

Journal:

Year:

2008

Language:

english

File:

PDF, 1.21 MB

english, 2008

91

Phase-transfer catalyzed asymmetric epoxidation of chalcones using chiral crown ethers derived from d-glucose, d-galactose, and d-mannitol

Tibor Bakó, Péter Bakó, György Keglevich, Petra Bombicz, Miklós Kubinyi, Krisztina Pál, Sándor Bodor, Attila Makó, László Tőke

Journal:

Tetrahedron: Asymmetry

Year:

2004

Language:

english

File:

PDF, 855 KB

english, 2004

92

New chiral P-ligands: P-amino- and P-cycloalkoxy dibenzo[c.e][1,2]oxaphosphorines

György Keglevich, Helga Szelke, Andrea Kerényi, Veronika Kudar, Miklós Hanusz, Kálmán Simon, Tímea Imre, Krisztina Ludányi

Journal:

Tetrahedron: Asymmetry

Year:

2005

Language:

english

File:

PDF, 249 KB

english, 2005

93

Resolution of 1-substituted-3-methyl-3-phospholene 1-oxides by molecular complex formation with TADDOL derivatives

Tibor Novák, Viktória Ujj, József Schindler, Mátyás Czugler, Miklós Kubinyi, Zsuzsa A. Mayer, Elemér Fogassy, György Keglevich

Journal:

Tetrahedron: Asymmetry

Year:

2007

Language:

english

File:

PDF, 429 KB

english, 2007

94

Coordinative resolution of 1-phenyl- and 1-naphthyl-3-methyl-3-phospholene 1-oxides with calcium hydrogen O,O′-dibenzoyl-(2R,3R)-tartrate or calcium hydrogen O,O′-di-p-toluyl-(2R,3R)-tartrate

Viktória Ujj, József Schindler, Tibor Novák, Mátyás Czugler, Elemér Fogassy, György Keglevich

Journal:

Tetrahedron: Asymmetry

Year:

2008

Language:

english

File:

PDF, 587 KB

english, 2008

95

1,2,3,4,5,6-Hexahydrophosphinine 1-oxides with an exocyclic P-function at position 3: diastereoselective synthesis, stereostructure and conformation

György Keglevich, Melinda Sipos, Tamás Körtvélyesi, Tímea Imre, László Tőke

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 161 KB

english, 2005

96

Application of ionic liquids in palladium(II) catalyzed homogenous transfer hydrogenation

Zoltán Baán, Zoltán Finta, György Keglevich, István Hermecz

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 87 KB

english, 2005

97

Synthesis of some novel D-ring-fused dioxa- and oxazaphosphorinanes in the estrone series

Éva Frank, Brigitta Kazi, Krisztina Ludányi, György Keglevich

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 103 KB

english, 2006

98

Asymmetric C–C bond formation via Darzens condensation and Michael addition using monosaccharide-based chiral crown ethers

Péter Bakó, Zsolt Rapi, György Keglevich, Tamás Szabó, Péter L. Sóti, Tamás Vígh, Alajos Grűn, Tamás Holczbauer

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 594 KB

english, 2011

99

Optimized synthesis of N-heterocyclic dronic acids; closing a black-box era

György Keglevich, Alajos Grün, Klára Aradi, Sándor Garadnay, István Greiner

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 211 KB

english, 2011

100

Assignment of absolute configurations of chiral phospholene oxides by UV/CD spectroscopy using TD-DFT quantum chemical calculations and singular value decomposition approach for the analysis of the spectra

Zsuzsa A. Mayer, Mihály Kállay, Miklós Kubinyi, György Keglevich, Viktória Ujj, Elemér Fogassy

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

2009

Language:

english

File:

PDF, 546 KB

english, 2009