Yazar "Koç, L. Yasemin" için listeleme
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Phosphorus nitrogen compounds: Part 34. Syntheses, structural investigations, cytotoxic and biological activities of spiro-ansa-spiro and spiro-bino-spiro tetrameric phosphazene derivatives
Berberoğlu, İpek; Asmafiliz, Nuran; Kılıç, Zeynel; Hökelek, Tuncer; Koç, L. Yasemin; Açık, 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 22. Syntheses, structural investigations, biological activities and DNA interactions of new mono and bis (4-fluorobenzyl) spirocyclophosphazenes
Okumuş, Aytuğ; Kılıç, Zeynel; Hökelek, Tuncer; Dal, Hakan; Açık, Leyla; Öner, Yağmur; Koç, L. Yasemin (Pergamon-Elsevier Science LTD, 2011)The reactions of hexachlorocyclotriphosphazene, N3P3Cl6, with mono (1 and 2) and bis(4-fluorobenzyl) diamines (3-5), FPhCH2NH(CH2)(n)NHR (R=H or FPhCH2-), produce mono (1a and 2a) and bis(4-fluorobenzyl) monospirocyclophosphazenes ... -
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, Hüseyin; Okumuş, Aytuğ; Kılıç, Zeynel; Hökelek, Tuncer; Süzen, Yasemin; Koç, L. Yasemin; Çelik, Z. Betül (Elsevier France-Editions Scientifiques Medicales Elsevier, 2013)A number of partly (7-9) and fully (10a-12d. Scheme 1) substituted mono(4-fluorobenzyl)spiro cyclotriphosphazenes was prepared. The structures of the compounds were determined by MS, FTIR, 1D and 2D NMR techniques. The ... -
Phosphorus-nitrogen compounds part 33: in vitro cytotoxic and antimicrobial activities, DNA interactions, syntheses, and structural investigations of new mono(4-nitrobenzyl)spirocyclotriphosphazenes
Okumuş, Aytuğ; Akbaş, Hüseyin; Kılıç, Zeynel; Koç, L. Yasemin; Açık, Leyla; Aydın, Betül; 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. 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 (Nee Egemen), Gamze; Okumuş, Aytuğ; Kılıç, Zeynel; Hökelek, Tuncer; Açık, Leyla; Dal, Hakan; Koç, L. Yasemin (American Chemical Society, 2012)The reactions of octachlorocyclotetraphosphazene, N4P4Cl8, with N2O2 donor-type aminopodands (1a, 1b, 1g, and 1h) afforded two kinds of derivatives, namely, spiro-ansa-spiro (sas) (2a, 2b, 2g, and 2h) and ansa-spiro-ansa ... -
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, Gamze; Okumuş, Aytuğ; Koç, L. Yasemin; Soltanzade, Hossien; Kılıç, Zeynel; Hökelek, Tuncer; Yavuz, Makbule (Elsevier France-Editions Scientifiques Medicales Elsevier, 2014)A number of novel ansa-spiro-ansa (asa) cyclotetraphosphazenes (1a-5b) was prepared in the range of 63-90% yields. The structures of the compounds were verified by MS, FTIR, H-1, C-13{H-1} and P-31{H-1} NMR, heteronuclear ... -
Phosphorus-nitrogen compounds: Part 26. Syntheses, spectroscopic and structural investigations, biological and cytotoxic activities, and DNA interactions of mono and bisferrocenylspirocyclotriphosphazenes
Asmafiliz, Nuran; Kılıç, Zeynel; Hökelek, Tuncer; Koç, L. Yasemin; Açık, Leyla; Süzen, Yasemin; Öner, Yağmur (Elsevier Science Sa, 2013)The condensation reactions of the tetrachloro mono (1 and 2) and bisferrocenylspirocyclotriphosphazenes (3-5) with 1,4-dioxa-8-azaspiro[4,5]decane (DASD) resulted in the formation of the partly and fully DASD-substituted ... -
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; Kılıç, Zeynel; Hökelek, Tuncer; Koç, L. Yasemin; Türk, 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) ...
