Prof. Dr. AYTUĞ OKUMUŞ

1. Phosphorus-nitrogen compounds. Part 86. Comparative synthesis of dispiromono and dispirobicyclotetraphosphazenes: Spectral, crystallographic and thermal properties, antimicrobial, antituberculosis and DNA-cleavage activities, antiproliferative effects and 3D tumor modeling studies with cancer stem cells

ELMAS G., OKUMUŞ A., Tayhan S. E., BİNİCİ A., Arslantürk A., AÇIK L., et al.

Journal of Molecular Structure , cilt.1373, 2026 (SCI-Expanded, Scopus)

2. Phosphorus-nitrogen compounds: Part 82. Experimental and computational studies o (p-dimethylamino)benzylspiro-(N/ N)-cyclotriphosphazene derivatives

Tanrıkulu G. İ., Zülfikaroğlu A., Elmas G., Okumuş A., Kılıç Z., Hökelek T.

JOURNAL OF MOLECULAR STRUCTURE , cilt.1356, sa.145126, ss.145126, 2026 (SCI-Expanded, Scopus)

3. Phosphorus-nitrogen compounds. Part 77. The synthesis of novel ferrocenyl(N/O)spiro- and 2-cis-4-dichloro-ferrocenyl(N/O)ansa-cyclotetraphosphazenes with 9-ethyl-3-carbazolyl pendant arm(s): spectral, bioactivity, electrochemical and dye-sensitized solar cell fabrication studies

Mutlu G., Yakut M., Okumuş A., Elmas G., Binici A., Güzel R., et al.

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS , cilt.201, sa.2, ss.174-196, 2026 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

4. Bioactivity, free radical scavenging properties, hCA I and hCA II esterase activities of tetraamino-(9-ethyl-3-carbazolyl)-(NN)-spirocyclotriphosphazenes: Synthesis, characterization, and structure–activity relationship (SAR) studies

Akbaş H., OKUMUŞ A., Kılıç Z., Hökelek T., SABAH B. N., AÇIK L., et al.

Chemical Papers , cilt.79, sa.10, ss.7211-7233, 2025 (SCI-Expanded, Scopus)

5. Phosphorus-Nitrogen compounds part 74. Syntheses of (p-dimethylamino)benzyl-spiro-(N/N)-cyclotriphosphazenes: Structural characterizations, bioactivity studies, DFT calculations and reactivity parameters

İnci Tanrıkulu G., Zülfikaroğlu A., ELMAS G., OKUMUŞ A., Kılıç Z., Hökelek T., et al.

Inorganica Chimica Acta , cilt.569, 2024 (SCI-Expanded, Scopus)

6. Phosphorus-nitrogen compounds. Part 73. Dispiromono and dispirobicyclotetraphosphazene derivatives: syntheses, and spectroscopic, crystallographic and thermal studies

ELMAS G., OKUMUŞ A., Kılıç Z., Hökelek T.

New Journal of Chemistry , cilt.48, sa.13, ss.5804-5819, 2024 (SCI-Expanded, Scopus)

7. Phosphorus-nitrogen compounds: part 70. Syntheses of tetraaminomono/bis(4-fluorobenzyl)spiro(N/N)cyclotriphosphazenes: structural characterization, Hirshfeld surface analysis and comparative evaluation of esterase activities of hCA I and hCA II isoenzymes

OKUMUŞ A., ELMAS G., Binici A., Tunca E., Hökelek T., Kılıç Z.

New Journal of Chemistry , cilt.47, sa.18, ss.8578-8588, 2023 (SCI-Expanded, Scopus)

8. Phosphorus-nitrogen compounds. Part 67. The reactions of Mono/bis (4-fluorobenzyl)spiro(N/N)cyclotriphosphazenes with sodium(3-amino-1-propanoxide): investigation of spectral properties, DNA-cleavage and antimicrobial activities

OKUMUŞ A., ELMAS G., KILIÇ Z., Gönder L. Y., AÇIK L.

PHOSPHORUS, SULFUR AND SILICON AND THE RELATED ELEMENTS , cilt.198, ss.272-282, 2023 (SCI-Expanded, Scopus)

9. Phosphorus-nitrogen compounds: Part 60: Synthesis of hexaminomonoferrocenyl-spiro(N/O)cyclotetraphosphazenes: Spectral and electrochemical properties, tuning of redox feature, and antituberculosis activity

Binici A., Elmas G., Okumuş A., Güzel R., Şimşek H., Kilic Z.

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS , cilt.198, sa.1, ss.21-33, 2023 (SCI-Expanded, Scopus)

10. Phosphorus-nitrogen compounds. Part 58. Syntheses, structural characterizations and biological activities of 4-fluorobenzyl-spiro(N/O)cyclotriphosphazene derivatives

Binici A., ELMAS G., OKUMUŞ A., Erden Tayhan S., Hokelek T., SABAH B. N., et al.

JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS , cilt.41, sa.1, ss.298-318, 2023 (SCI-Expanded, Scopus)

11. Phosphorus-nitrogen compounds. Part 65. Novel diansa-spiro-cyclotetraphosphazenes: synthesis, characterization, bioactivity and electrochemical properties, and dye-sensitized solar cell fabrication studies

Mutlu G., Okumuş A., Elmas G., Kilic Z., Güzel R., Sabah B. N., et al.

NEW JOURNAL OF CHEMISTRY , cilt.46, sa.38, ss.18384-18401, 2022 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

12. Phosphorus-nitrogen compounds. Part 64. Comparative reactions of spiro and ansa (N/O) cyclotetraphosphazenes with bulky (4-fluorobenzyl) N/N and N/O donor type bidentate reagents: structure, stereogenic properties and cytotoxic activity studies

Elmas G., Binici A., Yakut M., Okumuş A., Kilic Z., Çoşut B., et al.

NEW JOURNAL OF CHEMISTRY , cilt.46, sa.33, ss.16096-16113, 2022 (SCI-Expanded, Scopus)

13. Phosphorus-nitrogen compounds. Part 62. Preparation of tetraaminobis (4-fluorobenzyl)spiro(N/N)cyclotriphosphazenes: Chemical, structural characterizations, antimicrobial, antioxidant and DNA-binding activity studies

Okumuş A., Elmas G., Binici A., Aydın B., Açık L., Kilic Z., et al.

INORGANICA CHIMICA ACTA , cilt.538, 2022 (SCI-Expanded, Scopus)

14. Phosphorus-nitrogen compounds part 59. The syntheses of tetrachloro and tetraamino-2-pyridylmethylspiro(N/N)ethylenediaminocyclotriphosphazenes: Structural characterization, bioactivity, and molecular docking studies

Bozkurt B., Elmas G., Yakut M., Okumuş A., Cerci N. A., Zeyrek C. T., et al.

JOURNAL OF THE CHINESE CHEMICAL SOCIETY , cilt.69, sa.2, ss.310-331, 2022 (SCI-Expanded, Scopus)

15. Phosphorus-nitrogen compounds. Part 56. Comparative syntheses and spectral properties of multiheterocyclic 2-cis-4-ansa and spiro-ferrocenyl (N/O)cyclotetraphosphazenes: Antituberculosis and antimicrobial activity and DNA interaction studies

Binici A., Okumuş A., Yakut M., Elmas G., Kilic Z., Koyunoglu D., et al.

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS , cilt.197, sa.1, ss.18-29, 2022 (SCI-Expanded, Scopus)

16. Phosphorus-nitrogen compounds. Part 54. syntheses of chiral amino-4-fluorobenzyl-spiro(N/O)cyclotriphosphazenes: structural and stereogenic properties

Mutlu O. F., Binici A., OKUMUŞ A., ELMAS G., ÇOŞUT B., Kilic Z., et al.

NEW JOURNAL OF CHEMISTRY , cilt.45, sa.27, ss.12178-12192, 2021 (SCI-Expanded, Scopus)

17. The comparative reactions of 2-cis-4-ansa and spiro cyclotetraphosphazenes with difunctional ligands: Structural and stereogenic properties, electrochemical, antimicrobial and cytotoxic activity studies

Okumuş A., Elmas G., Kilic Z., Binici A., Ramazanoglu N., Açık L., et al.

APPLIED ORGANOMETALLIC CHEMISTRY , cilt.35, sa.4, 2021 (SCI-Expanded, Scopus)

18. Syntheses and spectral characterizations of tetraspirocyclotetraphosphazenes containing bis(4-fluorobenzyl) pendant arms

OKUMUŞ A., ELMAS G., KILIÇ Z.

Journal of Ata-Chem , cilt.1, sa.1, ss.12-29, 2021 (Hakemli Dergi)

19. Phosphorus-nitrogen compounds. Part 48. syntheses of the phosphazenium salts containing 2-pyridyl pendant arm: structural characterizations, thermal analysis, antimicrobial and cytotoxic activity studies

Elmas G., Okumuş A., Kilic Z., Ozbeden P., Açık L., Tunalı B. Ç., et al.

INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY , cilt.59, sa.4, ss.533-550, 2020 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

20. Phosphorus-nitrogen compounds (Part 51): the relationship between spectroscopic and crystallographic data of mono- and di-spirocyclophosphazene derivatives with 4-fluoro/nitrophenylmethyl pendant arm/arms

OKUMUŞ A., ELMAS G., ASMAFİLİZ N., BİLGE KOÇAK S., Kilic Z.

TURKISH JOURNAL OF CHEMISTRY , cilt.44, sa.3, ss.559-573, 2020 (SCI-Expanded, Scopus, TRDizin)

21. Phosphorus-nitrogen compounds- (Part 50): correlations between structural parameters for cylophosphazene derivatives containing ferrocenyl pendant arm(s)

ASMAFİLİZ N., ELMAS G., OKUMUŞ A., BİLGE KOÇAK S., Kilic Z.

TURKISH JOURNAL OF CHEMISTRY , cilt.44, sa.3, ss.543-558, 2020 (SCI-Expanded, Scopus, TRDizin)

22. Phosphorus-nitrogen compounds. Part 52. The reactions of octachlorocyclotetraphosphazene with sodium 3-(N-ferrocenylmethylamino)-1-propanoxide: Investigations of spectroscopic, crystallographic and stereogenic properties

Elmas G., Okumuş A., Hökelek T., Kilic Z.

INORGANICA CHIMICA ACTA , cilt.497, 2019 (SCI-Expanded, Scopus)

23. Phosphorus-Nitrogen compounds part 47: The conventional and microwave-assisted syntheses of dispirocyclotriphosphazene derivatives with (4-fluoro/4-nitrobenzyl) pendant arms: Structural and stereogenic properties and DNA interactions

Tanrikulu G. I., YAKUT M., OKUMUŞ A., Kilic Z., HÖKELEK T., AYDIN B., et al.

INORGANICA CHIMICA ACTA , cilt.490, ss.179-189, 2019 (SCI-Expanded, Scopus)

24. Phosphorus-nitrogen compounds. Part 42. The comparative syntheses of 2-cis-4-ansa(N/O) and spiro(N/O) cyclotetraphosphazene derivatives: spectroscopic and crystallographic characterization, antituberculosis and cytotoxic activity studies

Binici A., Okumuş A., Elmas G., Kilic Z., Ramazanoglu N., Açık L., et al.

NEW JOURNAL OF CHEMISTRY , cilt.43, sa.18, ss.6856-6873, 2019 (SCI-Expanded, Scopus)

25. Phosphorus-nitrogen compounds. Part 44. The syntheses of N,N-spiro bridged cyclotriphosphazene derivatives with (4-fluorobenzyl) pendant arms: Structural and stereogenic properties, DNA interactions, antimicrobial and cytotoxic activities

Ozturk E., OKUMUŞ A., Kilic Z., KILIÇ A., Kayalak H., AÇIK L., et al.

INORGANICA CHIMICA ACTA , cilt.486, ss.172-184, 2019 (SCI-Expanded, Scopus)

26. Designation of Absolute Configuratıon of Multihetereocyclic 9,13-dichloro-22,22-dipyrrolidine-1-yl-1H,2H,13H,19H-9,13-(epıazenophosphazeno)-9λ5,11λ5,13λ5-[1,3,5,2,4] benzoxadiazadiphosphonino[4’xx,5’xx:2,3][1,3,2]diazaphospholo[2,1-D] [1,3,5,2,4]benzoxadiazadiphosphonine By X-RAY Crystallographic Data

ELMAS G., OKUMUŞ A., İsaoğlu S. S., HÖKELEK T., KILIÇ Z.

Commun. Fac. Sci. Univ. Ank. Series B, , cilt.61, ss.15-30, 2019 (Hakemli Dergi)

27. Determination of Absolute Configuratıon of 8,8,10,10-Tetrachloro-20,21-dihydro-18H,23H-6,12-epiazeno-6λ5,8λ5,10λ5,12λ5-[1,3,2]benzoxazaphosphonino[2’xx,3’xx:8,9][1,3,5,7,9,2,4,6,8] pentaazatetraphosphacycloundsyno[2,1-B][1,3,2] benzoxazaphosphonine Using X-RAY Crystallography.

ELMAS G., OKUMUŞ A., İsaoğlu S. S., HÖKELEK T., KILIÇ Z.

Commun. Fac. Sci. Univ. Ank. Series B , cilt.61, ss.1-14, 2019 (Hakemli Dergi)

28. Phosphorus-nitrogen compounds. Part 40. The syntheses of (4-fluorobenzyl) pendant armed cyclotetraphosphazene derivatives: Spectroscopic, crystallographic and stereogenic properties, DNA interactions and antimicrobial activities

ELMAS G., OKUMUŞ A., Kilic Z., Cam M., AÇIK L., HÖKELEK T.

INORGANICA CHIMICA ACTA , cilt.476, ss.110-122, 2018 (SCI-Expanded, Scopus)

29. Phosphorus-nitrogen compounds. part 38. Syntheses, characterizations, cytotoxic, antituberculosis and antimicrobial activities and DNA interactions of spirocyclotetraphosphazenes with bis-ferrocenyl pendant arms

Elmas G., Okumuş A., Cemaloğlu R., Kilic Z., Celik S. P., Açık L., et al.

JOURNAL OF ORGANOMETALLIC CHEMISTRY , cilt.853, ss.93-106, 2017 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

30. The Spectroscopic and Thermal Properties, Antibacterial and Antifungal Activity and DNA Interactions of 4- (Fluorobenzyl)Spiro(N/O) Cyclotriphosphazenium Salts.

ELMAS G., OKUMUŞ A., KILIÇ Z., Çelik S. P., AÇIK L.

J. Turk. Chem. Soc. Sect. A: Chem., , cilt.4, sa.3, ss.993-1016, 2017 (TRDizin)

31. Antiproliferative Effects against A549, Hep3B and FL Cell Lines of Cyclotriphosphazene-Based Novel Protic Molten Salts: Spectroscopic, Crystallographic and Thermal Results

OKUMUŞ A., AKBAŞ H., KARADAĞ A., AYDIN A., Kilic Z., HÖKELEK T.

CHEMISTRYSELECT , cilt.2, sa.18, ss.4988-4999, 2017 (SCI-Expanded, Scopus)

32. Phosphorus-nitrogen compounds. Part 37. Syntheses and structural characterizations, biological activities of mono and bis(4-fluorobenzyl)spirocyclotetraphosphazenes

ELMAS G., OKUMUŞ A., Sevinc P., Kilic Z., AÇIK L., Atalan M., et al.

NEW JOURNAL OF CHEMISTRY , cilt.41, sa.13, ss.5818-5835, 2017 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

33. The reactions of N3P3Cl6 with monodentate and bidentate ligands: the syntheses and structural characterizations, in vitro antimicrobial activities, and DNA interactions of 4-fluorobenzyl(N/O)spirocyclotriphosphazenes

Okumuş A., Elmas G., Kilic Z., Ramazanoglu N., Açık L., Türk M., et al.

TURKISH JOURNAL OF CHEMISTRY , cilt.41, sa.4, ss.525-547, 2017 (SCI-Expanded, Scopus, TRDizin)

34. The Syntheses and Structural Characterizations, Antimicrobial Activity and In vitro DNA Binding of 4-fluorobenzylspıro(N/O)cyclotriphosphazenes and Their Phosphazenium salts

ELMAS G., OKUMUŞ A., KILIÇ Z., Gönder L. Y., AÇIK L., HÖKELEK T.

Journal of the Turkish Chemical Society Section A: Chemistry , cilt.3, sa.3, ss.25-46, 2016 (TRDizin)

35. Phosphorus-nitrogen compounds. Part 35. Syntheses, spectroscopic and electrochemical properties, and antituberculosis, antimicrobial and cytotoxic activities of mono-ferrocenyl-spirocyclotetraphosphazenes

Okumuş A., Elmas G., Cemaloğlu R., Aydın B., Binici A., Şimşek H., et al.

NEW JOURNAL OF CHEMISTRY , cilt.40, sa.6, ss.5588-5603, 2016 (SCI-Expanded, Scopus)

36. Phosphorus-nitrogen compounds part 33: in vitro cytotoxic and antimicrobial activities, DNA interactions, syntheses, and structural investigations of new mono(4-nitrobenzyl)spirocyclotriphosphazenes

OKUMUŞ A., AKBAŞ H., Kilic Z., Koc L. Y., AÇIK L., AYDIN B., et al.

RESEARCH ON CHEMICAL INTERMEDIATES , cilt.42, sa.5, ss.4221-4251, 2016 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

37. Phosphorus-nitrogen compounds Part 32. Structural and thermal characterizations, antimicrobial and cytotoxic activities, and in vitro DNA binding of the phosphazenium salts

AKBAŞ H., OKUMUŞ A., KARADAĞ A., Kilic Z., HÖKELEK T., Koc L. Y., et al.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY , cilt.123, sa.2, ss.1627-1641, 2016 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

38. Syntheses, structural characterization and biological activities of spiro-ansa-spiro-cyclotriphosphazenes

Basterzi N. S., BİLGE KOÇAK S., OKUMUŞ A., Kilic Z., HÖKELEK T., ÇELİK Ö., et al.

NEW JOURNAL OF CHEMISTRY , cilt.39, sa.11, ss.8825-8839, 2015 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

39. Phosphorus-nitrogen compounds. Part 29. Syntheses, crystal structures, spectroscopic and stereogenic properties, electrochemical investigations, antituberculosis, antimicrobial and cytotoxic activities and DNA interactions of ansa-spiro-ansa cyclotetraphosphazenes

Elmas G., Okumuş A., Koc L. Y., Soltanzade H., Kilic Z., Hökelek T., et al.

EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY , cilt.87, ss.662-676, 2014 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

40. Biofuel Cell Based on Anode and Cathode Modified by Glucose Oxidase

Krikstolaityte V., Oztekin Y., Kuliesius J., Ramanaviciene A., YAZICIGİL Z., ERSÖZ M., et al.

ELECTROANALYSIS , cilt.25, sa.12, ss.2677-2683, 2013 (SCI-Expanded, Scopus)

41. Phosphorus-nitrogen compounds part 27. Syntheses, structural characterizations, antimicrobial and cytotoxic activities, and DNA interactions of new phosphazenes bearing secondary amino and pendant (4-fluorobenzyl)spiro groups

AKBAŞ H., OKUMUŞ A., Kilic Z., HÖKELEK T., SÜZEN Y., Koc L. Y., et al.

EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY , cilt.70, ss.294-307, 2013 (SCI-Expanded, Scopus) Sürdürülebilir Kalkınma

42. Syntheses, spectroscopic properties, crystal structures, biological activities, and DNA interactions of heterocyclic amine substituted spiro-ansa-spiro- and spiro-bino-spiro-phosphazenes

BİLGE KOÇAK S., Kocoglu S., OKUMUŞ A., Kilic Z., Ozturk A., HÖKELEK T., et al.

INORGANICA CHIMICA ACTA , cilt.406, ss.160-170, 2013 (SCI-Expanded, Scopus)

43. Phosphorus-nitrogen compounds. Part 24. Syntheses, crystal structures, spectroscopic and stereogenic properties, biological activities, and DNA interactions of novel spiro-ansa-spiro- and ansa-spiro-ansa- cyclotetraphosphazenes

Elmas G., Okumuş A., Kiliç Z., Hökelek T., Açık L., Dal H., et al.

Inorganic Chemistry , cilt.51, sa.23, ss.12841-12856, 2012 (SCI-Expanded, Scopus)

44. Phenanthroline derivatives electrochemically grafted to glassy carbon for Cu(II) ion detection

Oztekin Y., Yazicigil Z., Solak A. O., Ustundag Z., OKUMUŞ A., Kilic Z., et al.

Sensors and Actuators, B: Chemical , cilt.166-167, ss.117-127, 2012 (SCI-Expanded, Scopus)

45. Phosphorus-nitrogen compounds part 22. Syntheses, structural investigations, biological activities and DNA interactions of new mono and bis (4-fluorobenzyl) spirocyclophosphazenes

Okumu A., Kili Z., HÖKELEK T., Dal H., Aik L., Öner Y., et al.

POLYHEDRON , cilt.30, sa.17, ss.2896-2907, 2011 (SCI-Expanded, Scopus)

46. Phosphorus-nitrogen compounds. Part 20: Fully substituted spiro-cyclotriphosphazenic lariat (PNP-pivot) ether derivatives

OKUMUŞ A., Bilge S., Kilic Z., Ozturk A., HÖKELEK T., YILMAZ F.

Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy , cilt.76, sa.3-4, ss.401-409, 2010 (SCI-Expanded, Scopus)

47. Phosphorus-nitrogen compounds: Part 16. Synthesis, stereogenism, anisochronism and the relationship between 31P NMR spectral and crystallographic data of monotopic spiro-crypta phosphazene derivatives

Kilic Z., OKUMUŞ A., Demiriz S., Bilge S., Ozturk A., Caylak N., et al.

Journal of Inclusion Phenomena and Macrocyclic Chemistry , cilt.65, sa.3, ss.269-286, 2009 (SCI-Expanded, Scopus)

48. Phosphorus-nitrogen compounds. Part 13. Syntheses, crystal structures, spectroscopic, stereogenic, and anisochronic properties of novel spiro-ansa-spiro-, spiro-bino-spiro-, and spiro-crypta phosphazene derivatives

Bilge S., Demiriz S., Okumus A., Kilic Z.

INORGANIC CHEMISTRY , cilt.45, sa.21, ss.8755-8767, 2006 (SCI-Expanded, Scopus)

49. Crystal Structure of 18,19-Dihydro-8,8-dipyrrolidine-1-yl-6λ5,8λ5,10λ5-6,10-nitrilo-16H,21H-[1,3,5,7,2,4,6] tetrazatriphosphonino[2,1-b:6,7b′] bis[1,3,2] benzoxazaphosphorine

Okumuş A.

Analytical Sciences: X-ray Structure Analysis Online , sa.23, ss.121-122, 2006 (SCI-Expanded)

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