Yazar "Okumuş, Aytuğ" için listeleme
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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 20: Fully substituted spiro-cyclotriphosphazenic lariat (PNP-pivot) ether derivatives
Okumuş, Aytuğ; Bilge, Selen; Kılıç, Zeynel; Öztürk, Ash; Hökelek, Tuncer; Yılmaz, Filiz (Pergamon-Elsevier Science LTD, 2010)The condensation reactions of partly substituted spiro-cyclotriphosphazenic lariat (PNP-pivot) ethers, N3P3[(o-NHPhO)(2)R]Cl-4 [where R = -CH2CH2- (1) and -CH2CH2OCH2CH2- (2)] with morpholine and 1,4-dioxa-8-azaspiro[4,5]decane ... -
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 ...
