Yazar "Kilic, Zeynel" için listeleme
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Electrochemical reduction of NAP on the glassy carbon electrodes modified with aromatic diazonium salts
Sadikoglu, Murat; Solak, Ali O.; Isiklan, Muhammet; Kilic, Zeynel (Bentham Science Publ Ltd, 2008)The electrochemical reduction of 4-{[(1E)-(2-hydroxynaphthyl)methylidene]amino}-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one (NAP) was studied by using cyclic voltammetry in acetonitrile media at a glassy carbon (GC) ... -
Novel phosphazene derivatives: Synthesis, anisochronism and structural investigations of mono- and ditopic spiro-crypta phosphazenes
Asmafiliz, Nuran; Ilter, Elif Ece; Isiklan, Muhammet; Kilic, Zeynel; Tercan, Baris; Caylak, Nagihan; Buyukgungor, Orhan (Elsevier, 2007)The reactions of hexachlorocyclotriphosphazatriene, N3P3Cl6, with N2O2-donor type coronands (diaza-crown ethers) 1-3 afford novel monotopic 4-7 and ditopic 8-10 spiro-crypta phosphazenes, respectively. It has been observed ... -
Phosphorus nitrogen compounds: Part 34. Syntheses, structural investigations, cytotoxic and biological activities of spiro-ansa-spiro and spiro-bino-spiro tetrameric phosphazene derivatives
Berberoglu, Ipek; Asmafiliz, Nuran; Kilic, Zeynel; Hokelek, Tuncer; Koc, L. Yasemin; Acik, Leyla; Dal, Hakan (Elsevier Science Sa, 2016)The reactions of N4P4Cl8 with the symmetric N2N2 (1-3) and N2O2 (4) bulky ligands gave partly substituted 2,4-sas (5 and 6), 2,6-sas (7-10) and sbs (11-14) tetrameric phosphazene derivatives. The 2,4-sas-5, 2,6-sas-8 and ... -
Phosphorus-nitrogen compounds Part 32. Structural and thermal characterizations, antimicrobial and cytotoxic activities, and in vitro DNA binding of the phosphazenium salts
Akbas, Huseyin; Okumus, Aytug; Karadag, Ahmet; Kilic, Zeynel; Hokelek, Tuncer; Koc, L. Yasemin; Turk, Mustafa (Springer, 2016)The salicylic acid salts of fully substituted mono(4-fluorobenzyl)spirocyclotriphosphazenes (10-15) were prepared. The structures of these phosphazenium salts (10a-15a) were determined by elemental analyses, FTIR and H-1, ... -
Phosphorus-nitrogen compounds part 33: in vitro cytotoxic and antimicrobial activities, DNA interactions, syntheses, and structural investigations of new mono(4-nitrobenzyl)spirocyclotriphosphazenes
Okumus, Aytug; Akbas, Huseyin; Kilic, Zeynel; Koc, L. Yasemin; Acik, Leyla; Aydin, Betul; Dal, Hakan (Springer, 2016)The condensation reactions of hexachlorocyclotriphosphazene, N3P3Cl6, with N-alkyl-N'-mono(4-nitrobenzyl)diamines (1-3), NO2PhCH2NH(CH2) (n) NHR1 (R-1 = CH3 or C2H5), led to the formation of the mono(4-nitrobenzyl)spiroc ... -
Phosphorus-nitrogen compounds. 14. Synthesis, stereogenism, and structural investigations of novel N/O spirocyclic phosphazene derivatives
llter, Elif Ece; Asmafiliz, Nuran; Kilic, Zeynel; Isiklan, Muhammet; Hoekelek, Tuncer; Caylak, Nagihan; Sahin, Ertan (Amer Chemical Soc, 2007)The reactions of hexachlorocyclotriphosphazatriene, N3P3Cl6, with N/O donor-type N-alkyl-o-hydroxybenzyl- and o-hydroxynaphthylamines result in novel mono-(3a, 4a and 4b), di- (5a and 5b), and tri- (3b, 6a, and 6b) spirocyclic ... -
Phosphorus-Nitrogen Compounds. 21. Syntheses, Structural Investigations, Biological Activities, and DNA Interactions of New N/O Spirocyclic Phosphazene Derivatives. The NMR Behaviors of Chiral Phosphazenes with Stereogenic Centers upon the Addition of Chiral Solvating Agents
Isiklan, Muhammet; Asmafiliz, Nuran; Ozalp, Ezgi Elif; Ilter, Elif Ece; Kilic, Zeynel; Cosut, Buenyemin; Akyuz, Emel (Amer Chemical Soc, 2010)The reactions of hexachlorocyclotriphosphazatriene, N3P3Cl6, with N/O-donor-type N-alkyl (or aryl)-o-hydroxybenzylamines (la-le) produce mono- (2a-2e), di- (3a-3d), and tri- (4a and 4b) spirocyclic phosphazenes. The ... -
Phosphorus-nitrogen compounds. Part 36. Syntheses, Langmuir-Blodgett thin films and biological activities of spiro-bino-spiro trimeric phosphazenes
Asmafiliz, Nuran; Kilic, Zeynel; Civan, Mehmet; Avci, Orhan; Gonder, L. Yasemin; Acik, Leyla; Hokelek, Tuncer (Royal Soc Chemistry, 2016)The condensation reactions of hexachlorocyclotriphosphazene (N3P3Cl6, trimer) with the symmetric N2N2 or N2O2 donor type tetradentate bulky ligands (1-4) gave partly substituted spiro-bino-spiro (sbs) (5-8) trimeric ... -
Phosphorus-nitrogen compounds. Part 37. Syntheses and structural characterizations, biological activities of mono and bis(4-fluorobenzyl)spirocyclotetraphosphazenes
Elmas, Gamze; Okumus, Aytug; Sevinc, Pelin; Kilic, Zeynel; Acik, Leyla; Atalan, Mustafa; Hokelek, Tuncer (Royal Soc Chemistry, 2017)The Cl substitution reactions of octachlorocyclotetraphosphazene, N4P4Cl8, with one equimolar amount of (4-fluorobenzyl)diamines (1-3) affords mono(4-fluorobenzyl) spirocyclotetraphosphazenes (4-6) as minor products. ... -
Phosphorus-nitrogen compounds. part 38. Syntheses, characterizations, cytotoxic, antituberculosis and antimicrobial activities and DNA interactions of spirocyclotetraphosphazenes with bis-ferrocenyl pendant arms
Elmas, Gamze; Okumus, Aytug; Cemaloglu, Resit; Kilic, Zeynel; Celik, Suheyla Pinar; Acik, Leyla; Hokelek, Tuncer (Elsevier Science Sa, 2017)The reactions of N4P4Cl8 (1), with two equimolar amounts of N-(1-ferrocenylmethyl)-N-methyl-propylenediamine gave the monoferrocenyl-spiro (as a byproduct), bisferrocenyl-2-trans-6-dispiro (2) and bisferrocenyl-2-cis-6-dispiro ... -
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, Arzu; Okumus, Aytug; Elmas, Gamze; Kilic, Zeynel; Ramazanoglu, Nagehan; Acik, Leyla; Hokelek, Tuncer (Royal Soc Chemistry, 2019)The reaction of N4P4Cl8 (1) with one equimolar amount of the sodium salt of an N/O donor-type bidentate ligand (2) afforded two kinds of derivatives, namely, mono-ferrocenyl-2-cis-4-dichloro-ansa- (2,4-ansa; 3) and ... -
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, Ezel; Okumus, Aytug; Kilic, Zeynel; Kilic, Adem; Kayalak, Hande; Acik, Leyla; Hokelek, Tuncer (Elsevier Science Sa, 2019)Isopropylaminopentachlorocyclotriphosphazene, (N3P3Cl5(NHCHMe2) (1), containing a P-NH group in the alkyl-chain, gives the NN-spirobridged octachlorobiscyclotriphosphazene, [N3P3Cl4(NCHMe2)](2) (2), in the presence of NaH. ... -
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, Gamze; Okumus, Aytug; Kilic, Zeynel; Ozbeden, Pelin; Acik, Leyla; Tunali, Beste Cagdas; Turk, Mustafa (NATL INST SCIENCE COMMUNICATION-NISCAIR, 2020)The phosphazenium salts (protic ionic liquids, PILs/protic molten salts, PMOSs) (6a-6d and 7a) of the free phosphazene bases (4a-4d and 5a) have been prepared by the reactions of the corresponding cyclotriphosphazenes with ... -
Phosphorus-nitrogen compounds: Part 31. Syntheses, structural and stereogenic properties, in vitro cytotoxic and antimicrobial activities, and DNA interactions of bicyclotetraphosphazenes containing bulky side group
Mutlu, Gurcu; Elmas, Gamze; Kilic, Zeynel; Hokelek, Tuncer; Koc, L. Yasemin; Turk, Mustafa; Dal, Hakan (Elsevier Science Sa, 2015)Hexachlorocyclotriphosphazene, N3P3Cl6, and octachlorocyclotetraphosphazene, N4P4Cl8, were reacted with K2N2O2 salt of symmetric tetradentate ligand to obtain spiro-bino-spiro [(sbs) (2)] and 2,6-spiro-ansa-spiro [(2,6-sas) ... -
Phosphorus-nitrogen compounds: Part 46. The reactions of N3P3Cl6 with bidentate and monodentate ligands: The syntheses, structural characterizations, antimicrobial and cytotoxic activities, and DNA interactions of (N/N)spirocyclotriphosphazenes with 4-chlorobenzyl pendant arm
Asmafiliz, Nuran; Berberoglu, Ipek; Ozgur, Mehtap; Kilic, Zeynel; Kayalak, Hande; Acik, Leyla; Hokelek, Tuncer (Elsevier Science Sa, 2019)In the present study, the partly and fully-substituted monospiro (4-6, 4a-6d), cis-dispiro (7-9), trans-dispiro (10-15) cyclotriphosphazenes were synthesized for the investigations of their chemical, stereogenic and ... -
Syntheses, spectroscopic and crystallographic characterizations of cis- and trans-dispirocyclic ferrocenylphosphazenes: molecular dockings, cytotoxic and antimicrobial activities
Tumer, Yasemin; Asmafiliz, Nuran; Zeyrek, C. Tugrul; Kilic, Zeynel; Acik, Leyla; Celik, S. Pinar; Hokelek, Tuncer (Royal Soc Chemistry, 2018)New cis-(4-6) and trans-dispirocyclic ferrocenylphosphazene derivatives (7-9) were obtained by reactions of hexachlorocyclotriphosphazene (N3P3Cl6) with N-alkyl-N-monoferrocenyldiamines of the formula FcCH(2)NH(CH2)(n)NHR ... -
Syntheses, structural characterization and biological activities of spiro-ansa-spiro-cyclotriphosphazenes
Basterzi, Nisan Sevin; Kocak, Selen Bilge; Okumus, Aytug; Kilic, Zeynel; Hokelek, Tuncer; Celik, Omer; Aydin, Betul (Royal Soc Chemistry, 2015)The replacement reactions of the Cl-atoms in partly substituted spiro-ansa-spiro-cyclotriphosphazenes (7 and 8) with excess pyrrolidine, 4-(2-aminoethyl) morpholine, and 1,4-dioxa-8-azaspiro[4,5] decane in dry THF led to ... -
Synthesis of Bis(2,2,3,3-tetrafluoro-1,4-butanedialkoxy)-2-trans-6-bis(4-fluorobenzyl)spirocyclotetraphosphazene: Structural Characterization, Biological Activity and DFT Studies
Elmas, Gamze; Kilic, Zeynel; Cosut, Bunyemin; Kesan, Gurkan; Acik, Leyla; Cam, Merve; Tunali, Beste Cagdas (SPRINGER/PLENUM PUBLISHERS, 2020)The Cl replacement reaction of octachlorocyclotetraphosphazene, N4P4Cl8 (1), with two equimolar amounts of N-(4-fluorobenzyl)-N'-methylpropane-1,3-diamine led to the formation of 4,4,8,8-tetrachloro-2-trans-6-bis-N-(4-fl ...