Browsing by Author "Işık, Uğur"
Now showing items 1-11 of 11
-
Application of phthalocyanine complexes of Cu(II), Co(II), Ni(II), and Zn(II) as catalysts in the transfer hydrogenation of acetophenone and its derivatives
Namlı, Mesut; Işık, Uğur; Kantar, Cihan; Aydemir, Murat (Elsevier Ltd., 2024)In this study, tetra substituted metallophthalocyanines (M: Ni, Zn, Co, and Cu) containing imine and azo groups were synthesized using microwave irradiation. The structures of all complexes have been totally characterized ... -
Aromatik ketonların indirgenmesinde kullanılmak üzere ferrosen içeren kiral fosfinit bileşikleri ve Ru(II) komplekslerinin sentezi
Işık, Uğur (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2015)Asimetrik kataliz, enantiyomerik saflıktaki bileşiklere olan gereksinimi karşılamak üzere hızla gelişen bir çalışma alanı haline gelmiştir. Kiral bileşiklerin enantiyosaf olarak elde edilmesi modern organik kimyanın en ... -
Biological assays and theoretical density functional theory calculations of Rh(I), Ir(III), and Ru(II) complexes of chiral phosphinite ligand
Rafikova, Khadichakhan; Binbay, Nil Ertekin; Meriç, Nermin; Kerimkulova, Aygül; Zazybin, Alexey; Binbay, Veysel; Okumuş, Veysi; Kayan, Cezmi; Işık, Uğur; Aydemir, Murat (Wiley, 2020)Four metal complexes, IL-OPPh2-Ru-p-cymene (3), IL-OPPh2-Ru-benzene (4), IL-OPPh2-Ir-Cp* (5), IL-OPPh2-Rh-COD (6), have been evaluated for in vitro antioxidant activity such as 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical ... -
Cross-coupling reactions in water using ionic liquid-based palladium(II)-phosphinite complexes as outstanding catalysts
Meriç, Nermin; Aydemir, Murat; Işık, Uğur; Ocak, Yusuf Selim; Rafikova, Khadichakhan; Paşa, Salih; Kayan, Cezmi; Durap, Feyyaz; Temel, Hamdi; Zazybin, Alexey G. (Wiley, 2014)Two new phosphinite ligands based on ionic liquids [(Ph2PO)C7H14N2Cl]Cl (1) and [(Cy2PO)C7H14N2Cl]Cl (2) were synthesized by reaction of 1-(3-chloro-2-hydoxypropyl)-3-methylimidazolium chloride, [C7H15N2OCl]Cl, with one ... -
Half-sandwich ruthenium(II) and iridium(III) complexes of imidazole based phosphinite ligands: antioxidant and antibacterial activities as well as electrochemical properties
Işık, Uğur; Rafikova, Khadichakhan; Meriç, Nermin; Güzel, Remziye; Kerimkulova, Aygül; Akimbek, Arailym; Okumuş, Veysi; Durap, Feyyaz; Kayan, Cezmi; Aydemir, Murat (John Wiley and Sons Inc, 2024)Ruthenium(II) and iridium(III) complexes of phosphinites including imidazole moiety were synthesized and characterized by microanalysis, IR, MS, and NMR spectroscopies. Antibacterial activity against Gram-positive and ... -
İyonik sıvı temelli fosfinit ligandların ve metal komplekslerin sentezi, karakterizasyonu; transfer hidrojenleme reaksiyonlarında katalitik dönüşümlerinin ve biyolojik aktivitelerinin araştırılması
Işık, Uğur (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2022)İyonik bir sıvıyı (IL) tanımlayan ilk çalışma 1914 yılında, etilamonyum nitratın ([EtNH3][NO3]; mp 13–14 °C) belirli fiziksel özelliklerini gözlemleyen Paul Walden tarafından yapılmıştır. Yeni bir malzeme sınıfının keşfi, ... -
Ketone transfer hydrogenation reactions catalyzed by catalysts based on a phosphinite ligand
Rafikova, Khadichakhan; Baysal, Akın; Meriç, Nermin; Zazybin, Alexey; Kayan, Cezmi; Işık, Uğur; Durap, Feyyaz; Aydemir, Murat (Taylor & Francis, 2022)Reaction of (+/-)-1-(2-furyl) ethanol with an equivalent Ph2PCl in the presence of Et3N proceeds in dry toluene under an argon atmosphere to give 1-(furan-2-yl)ethyl diphenylphosphinite (1) in good yield. Mononuclear ... -
NOVEL MONONUCLEAR METAL-PHOSPHINITE COMPOUNDS AND CATALYTIC PERFORMANCE IN TRANSFER HYDROGENATION OF KETONES
Meriç, Nermin; Aydemir, Murat; Işık, Uğur (2022)Since the obtained chiral alcohols are rather useful as well as biologically active compounds, reduction of ketones to their respective alcohols is a crucial topic in synthetic chemistry. Thus, a new phosphinite ligand was ... -
Synthesis and characterization of a novel ionic liquid for preconcentration of Brilliant Blue FCF (E 133) from some foods by ultrasound assisted temperature controlled ionic liquid dispersive liquid liquid microextraction method prior to spectrophotometric analysis; A comparative study
Erek, Figen; Işık, Uğur; Meriç, Nermin (Elsevier Ltd., 2024)In this study, a novel ionic liquid (3-(3-chloro-2-hydroxypropyl)-1-butyl-1H-imidazol-3-ium hexafluorophosphate, (IL-2) was synthesized and characterized by FT-IR, NMR (1H,13C,31P) spectroscopy, and TGA. Two microextraction ... -
Synthesis of half-sandwich ruthenium(II) and iridium(III) complexes containing imidazole-based phosphinite ligands and their use in catalytic transfer hydrogenation of acetophenone with isopropanol
Işık, Uğur; Meriç, Nermin; Kayan, Cezmi; Kılıç, Ahmet; Belyankova, Yelizaveta; Zazybin, Alexey G.; Aydemir, Murat (Elsevier B.V., 2023)Two ionic liquids (3-(3‑chloro-2-hydroxypropyl)-1-vinyl-1H-imidazol-3-ium chloride and 3-(3‑chloro-2- hydroxypropyl)-1‑butyl‑1H-imidazol-3-ium chloride) were prepared from commercially available, inexpensive 1-vinyl ... -
SYNTHESIS OF NOVEL BIS(PHOSPHINO)AMINE-RUII(ACAC)2 COMPLEXES, AND INVESTIGATION OF CATALYTIC ACTIVITY IN TRANSFER HYDROGENATION
In this study, reactions of (PPh2)2NCH2CH2N(PPh2)2 (L1) and {(PPh2)2NCH2CH2}3N (L2) with [RuII(acac)2(CH3CN)2] led to the production of new dinuclear complex [Ru(acac)2]2(L1) (1) and trinuclear complex [Ru(acac)2]3(L2) ...