• 1245 Citations
  • 20 h-Index
1992 …2019

Research output per year

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Research Output

2019

Synthetic procedure to pyrido[2,1-f][1,2,4]triazinium salt and related compounds

Bátori, S., Csányi, D., Takács, D., Egyed, O., Riedl, Z. & Hajós, G., Jan 11 2019, In : Tetrahedron. 75, 2, p. 180-185 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

Reversal of ABCB1-related multidrug resistance of colonic adenocarcinoma cells by phenothiazines

Takács, D., Csonka, Á., Horváth, Á., Windt, T., Gajdács, M., Riedl, Z., Hajós, G., Amaral, L., Molnár, J. & Spengler, G., Jun 1 2015, In : Anticancer research. 35, 6, p. 3245-3251 7 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)
2014

Efflux pump inhibiting properties of racemic phenothiazine derivatives and their enantiomers on the bacterial AcrAB-TolC system

Spengler, G., Takács, D., Horváth, Á., Szabó, Á. M., Riedl, Z., Hajós, G., Molnár, J. & Burián, K., Nov 1 2014, In : In Vivo. 28, 6, p. 1071-1076 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Inhibitions of the translocation pore of Clostridium botulinum C2 toxin by tailored azolopyridinium salts protects human cells from intoxication

Bronnhuber, A., Maier, E., Riedl, Z., Hajós, G., Benz, R. & Barth, H., Feb 28 2014, In : Toxicology. 316, 1, p. 25-33 9 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Multidrug resistance reversing activity of newly developed phenothiazines on P-glycoprotein (ABCB1)-related resistance of mouse T-lymphoma cells

Spengler, G., Takács, D., Horváth, Á., Riedl, Z., Hajós, G., Amaral, L. & Molnár, J., Apr 1 2014, In : Anticancer research. 34, 4, p. 1737-1742 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2013

Activity of the efflux pump inhibitor SILA 421 against drug-resistant tuberculosis

Simons, S. O., Kristiansen, J. E., Hajos, G., Van Der Laan, T., Molnár, J., Boeree, M. J., Van Ingen, J., Christensen, J. B., Viveiros, M., Riedl, Z., Amaral, L. & Van Soolingen, D., May 1 2013, In : International Journal of Antimicrobial Agents. 41, 5, p. 488-489 2 p.

Research output: Contribution to journalLetter

6 Citations (Scopus)

A straightforward synthesis of indazolo[3,2-a]isoquinolin-6-amines

Balog, J., Riedl, Z. & Hajós, G., Sep 25 2013, In : Tetrahedron Letters. 54, 39, p. 5338-5340 3 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Designed Azolopyridinium Salts Block Protective Antigen Pores In Vitro and Protect Cells from Anthrax Toxin

Beitzinger, C., Bronnhuber, A., Duscha, K., Riedl, Z., Huber-Lang, M., Benz, R., Hajós, G. & Barth, H., Jun 20 2013, In : PloS one. 8, 6, e66099.

Research output: Contribution to journalArticle

21 Citations (Scopus)
10 Citations (Scopus)
2012

A new synthetic approach to phenothiazine-2-amines

Takács, D., Egyed, O., Drahos, L., Riedl, Z. & Hajós, G., Oct 17 2012, In : Tetrahedron Letters. 53, 42, p. 5585-5588 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Flash vacuum pyrolysis of azolylacroleins and azolylbutadienes

Lucero, P. L., Peláez, W. J., Riedl, Z., Hajós, G., Moyano, E. L. & Yranzo, G. I., Jan 28 2012, In : Tetrahedron. 68, 4, p. 1299-1305 7 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

New approach for the synthesis of 3H-pyrrolo[2,3-c]isoquinoline derivatives

Dixit, B., Balog, J., Riedl, Z., Drahos, L. & Hajós, G., May 6 2012, In : Tetrahedron. 68, 18, p. 3560-3565 6 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Novel fluorescent isoquinoline derivatives obtained via Buchwald-Hartwig coupling of isoquinolin-3-amines

Balog, J., Riedl, Z., Hajós, G., Miskolczy, Z. & Biczók, L., Jan 24 2012, In : Arkivoc. 2012, 5, p. 109-119 11 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Selective hydroboration of dieneamines. Formation of hydroxyalkylphenothiazines as MDR modulators

Takács, D., Nagy, I., Bombicz, P., Egyed, O., Jemnitz, K., Riedl, Z., Molnár, J., Amaral, L. & Hajós, G., Jul 15 2012, In : Bioorganic and Medicinal Chemistry. 20, 14, p. 4258-4270 13 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2011

Evaluation of forty new phenothiazine derivatives for activity against intrinsic efflux pump systems of reference Escherichia coli, Salmonella enteritidis, Enterococcus faecalis and Staphylococcus aureus strains

Takács, D., Cerca, P., Martins, A., Riedl, Z., Hajós, G., Molnár, J., Viveiros, M., Couto, I. & Amaral, L., Sep 1 2011, In : In Vivo. 25, 5, p. 719-724 6 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Heterocyclic compounds as MDR modulators

Hajós, G., Jemnitz, K., Riedl, Z., Takács, D. & Veres, Z., Feb 1 2011, In : Letters in Drug Design and Discovery. 8, 2, p. 102-113 12 p.

Research output: Contribution to journalArticle

High-yielding synthesis of 1-isoindolinone derivatives via palladium-catalysed cycloaminocarbonylation

Marosvölgyi-Haskó, D., Takács, A., Riedl, Z. & Kollár, L., Feb 4 2011, In : Tetrahedron. 67, 5, p. 1036-1040 5 p.

Research output: Contribution to journalArticle

42 Citations (Scopus)

New fluorescent isoquinoline derivatives

Balog, J., Riedl, Z., Hajós, G., Miskolczy, Z. & Biczók, L., Oct 12 2011, In : Tetrahedron Letters. 52, 41, p. 5264-5266 3 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Rearrangement of aryl- and benzylthiopyridinium imides with participation of a methyl substituent

Palkó, R., Egyed, O., Riedl, Z., Rokob, T. A. & Hajós, G., Nov 18 2011, In : Journal of Organic Chemistry. 76, 22, p. 9362-9369 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Synthesis and transformations of novel benzo[C]furans

Palkó, R., Riedl, Z., Sólyom, S., Pallagi, I., Rokob, T. A., Egyed, O. & Hajósa, G., Feb 25 2011, In : Heterocycles. 83, 3, p. 591-607 17 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2010

Formation of a new ring system: Tetrazolo[5,1-f][1,2]azaborinin

Takács, D., Király, P., Nagy, I., Bombicz, P., Egyed, O., Riedl, Z. & Hajós, G., Nov 15 2010, In : Journal of Organometallic Chemistry. 695, 24, p. 2673-2678 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2009

A recently recognized ambident reactivity of 2,3-diamino-isoquinolinium salts

Riedl, Z., Filák, L., Egyed, O. & Hajós, G., Feb 25 2009, In : Arkivoc. 2009, 6, p. 158-166 9 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Ring closures to heterocycles via nitrenes

Hajós, G. & Riedl, Z., Oct 19 2009, In : Current Organic Chemistry. 13, 8, p. 791-809 19 p.

Research output: Contribution to journalReview article

16 Citations (Scopus)

Ring expansion of N-aminobenzothiazolium salts to benzothiazines and benzothiadiazines

Filák, L., Tekiner-Gulbas, B., Riedl, Z., Ágnes Vaskó, G., Egyed, O., Yalçin, I., Aki-Sener, E. & Hajós, G., Sep 30 2009, In : Acta Chimica Slovenica. 56, 3, p. 622-628 7 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Structure-activity relationship of antiparasitic and cytotoxic indoloquinoline alkaloids, and their tricyclic and bicyclic analogues

Van Baelen, G., Hostyn, S., Dhooghe, L., Tapolcsányi, P., Mátyus, P., Lemière, G., Dommisse, R., Kaiser, M., Brun, R., Cos, P., Maes, L., Hajós, G., Riedl, Z., Nagy, I., Maes, B. U. W. & Pieters, L., Oct 15 2009, In : Bioorganic and Medicinal Chemistry. 17, 20, p. 7209-7217 9 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)
2008

Actions of 3-methyl-N-oleoyldopamine, 4-methyl-N-oleoyldopamine and N-oleoylethanolamide on the rat TRPV1 receptor in vitro and in vivo

Almási, R., Szoke, É., Bölcskei, K., Varga, A., Riedl, Z., Sándor, Z., Szolcsányi, J. & Petho, G., Mar 12 2008, In : Life Sciences. 82, 11-12, p. 644-651 8 p.

Research output: Contribution to journalArticle

40 Citations (Scopus)
15 Citations (Scopus)

A new synthesis of the linearly fused [1,2,4]triazolo[1,5-b]isoquinoline ring. Observation of an unexpected Dimroth rearrangement

Filák, L., Riedl, Z., Egyed, O., Czugler, M., Hoang, C. N., Schantl, J. G. & Hajós, G., Feb 4 2008, In : Tetrahedron. 64, 6, p. 1101-1113 13 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Bicyclic 5-6 systems with one bridgehead (ring junction) nitrogen atom: Four extra heteroatoms 1:3

Hajós, G. & Riedl, Z., Dec 1 2008, Comprehensive Heterocyclic Chemistry III. Elsevier Ltd, Vol. 11. p. 895-908 14 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Bicyclic 5-6 systems with one bridgehead (ring junction) nitrogen atom: Three extra heteroatoms 1:2

Hajós, G. & Riedl, Z., Dec 1 2008, Comprehensive Heterocyclic Chemistry III. Elsevier Ltd, Vol. 11. p. 765-817 53 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

12 Citations (Scopus)

Bicyclic 5-6 systems with one bridgehead (ring junction) nitrogen atom: Three extra heteroatoms 2:1

Hajós, G. & Riedl, Z., Dec 1 2008, Comprehensive Heterocyclic Chemistry III. Elsevier Ltd, Vol. 11. p. 671-763 93 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Citations (Scopus)

Bicyclic 5-6 systems with one bridgehead (ring junction) nitrogen atom: Three extra heteroatoms 3:0

Hajós, G. & Riedl, Z., Dec 1 2008, Comprehensive Heterocyclic Chemistry III. Elsevier Ltd, Vol. 11. p. 645-670 26 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Bicyclic 5-6 systems with one bridgehead (ring junction) nitrogen atom: Five extra heteroatoms 3:2

Hajós, G. & Riedl, Z., Dec 1 2008, Comprehensive Heterocyclic Chemistry III. Elsevier Ltd, Vol. 11. p. 909-918 10 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Bicyclic 5-6 systems with one bridgehead (ring junction) nitrogen atom: Four extra heteroatoms 3:1

Hajós, G. & Riedl, Z., Dec 1 2008, Comprehensive Heterocyclic Chemistry III. Elsevier Ltd, Vol. 11. p. 819-846 28 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Bicyclic 5-6 systems with one bridgehead (ring junction) nitrogen atom: Four extra heteroatoms 2:2

Hajós, G. & Riedl, Z., Dec 1 2008, Comprehensive Heterocyclic Chemistry III. Elsevier Ltd, Vol. 11. p. 847-893 47 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Formation of new pyridyl substituted enamines. Observation of a diaza-Cope rearrangement

Palkó, R., Egyed, O., Bombicz, P., Riedl, Z. & Hajós, G., Nov 3 2008, In : Tetrahedron. 64, 45, p. 10375-10380 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Synthesis of a new tricylic ring system: [1,2,3]triazolo[1,5-b]cinnolinium salt

Vaskó, G. Á., Riedl, Z., Egyed, O. & Hajós, G., 2008, In : Arkivoc. 2008, 3, p. 25-32 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Synthesis of novel pyrazolo[5,1-b] [1,3]benzothiazoles: A new pericyclic pathway

Tekiner-Gulbas, B., Filák, L., Vaskó, G. Á., Egyed, O., Yalçin, I., Aki-Sener, E., Riedl, Z. & Hajós, G., Aug 1 2008, In : Heterocycles. 75, 8, p. 2005-2012 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2007

A novel ambident reactivity of azolylacroleins

Nagy, I., Hajós, G., Riedl, Z., Egyed, O. & Pápai, I., May 28 2007, In : Tetrahedron. 63, 22, p. 4730-4736 7 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Chemosensitisation of drug-resistant and drug-sensitive yeast cells to antifungals

Cernicka, J., Kozovska, Z., Hnatova, M., Valachovic, M., Hapala, I., Riedl, Z., Hajós, G. & Subik, J., Feb 1 2007, In : International Journal of Antimicrobial Agents. 29, 2, p. 170-178 9 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

First Suzuki-Miyaura type cross-coupling of ortho-azidobromobenzene with arylboronic acids and its application to the synthesis of fused aromatic indole-heterocycles

Pudlo, M., Csányi, D., Moreau, F., Hajós, G., Riedl, Z. & Sapi, J., Oct 8 2007, In : Tetrahedron. 63, 41, p. 10320-10329 10 p.

Research output: Contribution to journalArticle

52 Citations (Scopus)

In vitro and ex vivo activity of thioridazine derivatives against Mycobacterium tuberculosis

Martins, M., Schelz, Z., Martins, A., Molnar, J., Hajös, G., Riedl, Z., Viveiros, M., Yalcin, I., Aki-Sener, E. & Amaral, L., Mar 1 2007, In : International Journal of Antimicrobial Agents. 29, 3, p. 338-340 3 p.

Research output: Contribution to journalArticle

57 Citations (Scopus)
2006
15 Citations (Scopus)

New facile tandem route to oxo- and thioxo[1,2,4]triazolo[1,5-a]pyridinium salts

Palkó, R., Riedl, Z., Egyed, O., Fábián, L. & Hajós, G., Sep 29 2006, In : Journal of Organic Chemistry. 71, 20, p. 7805-7812 8 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Synthesis of novel 1-methyl-1H-pyridazino[3,4-b]indoles

Riedl, Z., Monsieurs, K., Krajsovszky, G., Dunkel, P., Maes, B. U. W., Tapolcsányi, P., Egyed, O., Boros, S., Mátyus, P., Pieters, L., Lemière, G. L. F. & Hajós, G., Jan 2 2006, In : Tetrahedron. 62, 1, p. 121-129 9 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2005

Cyclizations to new azolopyridazines and related ring systems

Hajós, G., Riedl, Z., Mátyus, P., Maes, B. U. W. & Lemière, G. L. F., Apr 2005, In : Journal of Heterocyclic Chemistry. 42, 3, p. 421-426 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Reaction of chloropyridazin-3(2H)-ones with iodide. Part I. A mechanistic study

Krajsovszky, G., Károlyházy, L., Riedl, Z., Csámpai, A., Dunkel, P., Lernyei, Á., Dajka-Halász, B., Hajós, G. & Mátyus, P., Jan 14 2005, In : Journal of Molecular Structure: THEOCHEM. 713, 1-3, p. 235-243 9 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Regio- and stereoselective cycloadditions and further transformations of azomethine imine derivatives of fused [1,2,4]triazines

Gróf, C., Riedl, Z., Hajós, G., Egyed, O., Csámpai, A. & Stanovnik, B., Dec 1 2005, In : Heterocycles. 65, 8, p. 1889-1902 14 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Selective synthesis and cycloaddition reactions of new azomethine imines containing a 1,2,4-triazine ring

Gróf, C., Hegedus, G., Riedl, Z., Hajós, G., Egyed, O., Csámpai, A., Kudar, V. & Stanovnik, B., Aug 12 2005, In : European Journal of Organic Chemistry. 16, p. 3553-3561 9 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)