Browsing by Author "Cabir, Beyza"

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Antioxidant, Antimicrobial, Dna Cleavage, Fluorescence Properties and Synthesis of 4-(3,4,5 Phenoxy) Substituted Zinc Phthalocyanine
(Taylor & Francis Ltd, 2022) Agirtas, Mehmet Salih; Cabir, Beyza; Gonca, Serpil; Ozdemir, Sadin
The newly designed 4-(3,4,5-trimethoxybenzyloxy)phenoxy)phthalonitrile and zinc phthalocyanine compounds were synthesized. Fluorescence, degradation, aggregation, antioxidant, DNA cleavage, and antimicrobial properties of these compounds were investigated. Fluorescence, degradation, and aggregation properties were examined in different solvents. Suitable solvents were determined for the photophysical applications. Their dissolution in different solvents provides an advantage for applications. The ability to show emission spectra in different solvents provides the potential for use in applications. The antioxidant qualities of newly synthesized compounds were researched two methods by using free radical scavenging ability of DPPH and ferrous ion chelating ability. The maximum DPPH activity was observed by compound 5 causing 66.9% DPPH radical formation inhibition at 100 mg/L. Compound 4 showed strong ferrous ion chelating activity of 80.6% at concentration of 100 mg/L. All tested compounds showed good DNA cleavage activity at concentration of 150 mg/L. The compounds 4 and 5 showed good antimicrobial activity.
Benzhidriloksi Substituentlerini Taģıyan Metalloftalosiyaninlerin Pratik Sentezi, Karakterizasyonu ve Foto-fiziksel Özellikleri
(2018) Öndeş, Muhammed Yusuf; Cabir, Beyza; Agırtas, Mehmet Salıh
Bu çalıĢmanın amacı, yüksek çözünürlüğe sahip benzhidriloksi substitue ftalosiyaninlerin pratik sentezini yapmaktadır. Bu nedenle, ftalosiyaninlerin benzhidrilksi substitueliçinkovemagnezyum sentezive karakterizasyonu gerçekleĢtirmiĢtir. Yeni bileĢiklerin karakterizasyonu, IR, NMR, UV ve Kütle spektrumları gibi spektrumlarlaaçıklandı. Ayrıca, bu yeni bileĢiklerin floresan ve agregasyondavranıĢları araĢtırıldı. Kullanılan yöntemle bileĢiklerin daha ekonomik olarakelde edildiğigörüldü.
Bodipy-Based Iridium and Ruthenium Complexes: Synthesis, Photophysical, and Photochemical Properties
(Wiley-v C H verlag Gmbh, 2024) Cabir, Beyza; Cetindere, Seda
The design, synthesis, and characterization of novel BODPY-based iridium and ruthenium complexes were reported. The structures of new compounds were fully characterized by FT-IR, MALDI-TOF mass analysis, elemental analysis, H-1, and F-19 NMR spectroscopies. Precursor BODIPY was characterized by single-crystal x-ray diffraction technique for the first time. Photophysical properties including absorption and emission profiles and lifetimes were investigated via UV-vis absorption and emission spectroscopy. Photochemical properties were investigated via direct method, and the singlet oxygen production capabilities of new complexes were determined by NIR phosphorescence methods. BODIPY-based new complexes were efficient at producing O-1(2). Besides, both complexes showed more remarkable photosensitization ability than some commonly used photosensitizer based on BODIPY derivatives. This study points out that novel complexes are effective O-1(2) photosensitizers that might be used for different application areas like photodynamic therapy.
Co and Zn Metal Phthalocyanines With Bulky Substituents: Anticancer, Antibacterial Activities and Their Inhibitory Effects on Some Metabolic Enzymes With Molecular Docking Studies
(Taylor & Francis Ltd, 2022) Turkan, Fikret; Taslimi, Parham; Cabir, Beyza; Agirtas, Mehmet Salih; Erden, Yavuz; Celebioglu, Hasan Ufuk; Gulcin, Ilhami
In this study, we reported the synthesis of new cobalt and zinc phthalocyanine compounds with ((ethylenediamine-N,N',N'-triacetic acid-N-2-ethyl)oxy) (ETAEO) substituted groups. Characterization studies and anticancer properties of both synthesized compounds were determined as well. The inhibitory effects of these complexes on some metabolic enzymes were examined and it was observed that the enzymes inhibited by complex molecules at the micromolar levels. In addition, the active sites of the enzymes were determined by molecular modeling programme for screening the enzyme-inhibitor interactions. The molecular docking method was used to calculate the interactions of molecules with enzymes. Also, human prostate and breast cancer cell lines (PC-3 and MCF-7) were used to determine the anticancer properties of the complexes. All doses of the tetrakis (ETAEO) phthalocyaninato Cobalt II (1) did not show any significant changes in PC-3 cell viability, but significantly reduced in MCF-7 cell viability. Similarly, all doses of the tetrakis (ETAEO) phthalocyaninato zinc II (2) significantly reduced MCF-7 cell viability compared to the control and solvent control groups. According to the enzyme inhibition studies, both complexes showed the best inhibition effects for alpha-Glycosidase enzyme with 125.85 +/- 30.35 mu M and 165.30 +/- 27.18 mu M Ki values.
Computational Dft Calculations, Photovoltaic Properties and Synthesis of (2r, 3s)-2, 3, 4-Trihydroxybutoxy Substituted Phthalocyanines
(Taylor & Francis inc, 2020) Cabir, Beyza; Yildiko, Umit; Agirtas, Mehmet Salih; Horoz, Sabit
In this study, 4-((2R, 3S)-2, 3, 4-trihydroxybutoxy) phthalonitrile was synthesized and characterized as starting material. This new starting material reacts with cobalt and copper metal salts to obtain metallophthalocyanine complexes. The electronic absorption of cobalt and copper phthalocyanine compounds in different concentrations of THF was investigated. In addition, the solubility and absorption of the compounds in different solvents were investigated. Density functional theory was also performed to support the relevant experimental results of the synthesized copper and cobalt center atomic compound. The photovoltaic performance of compounds was measured as current density-voltage (J-V).
Evaluation of Gasoline-Phthalocyanines Fuel Blends in Terms of Engine Performance and Emissions in Gasoline Engines
(Elsevier Sci Ltd, 2024) Cabir, Beyza; Yakin, Ahmet
The aim of this study was to perform performance and emission analysis in a spark ignition engine by adding different ratios of Phthalocyanines additive to gasoline fuel. In this study, PH10, PH20 and PH30 blend fuels were prepared by blending fuels containing 10 %, 20 % and 30 % phthalocyanine by volume with pure gasoline, respectively. The blended fuels were tested in a gasoline engine at five different engine speeds under full load and the performance values were measured from the dynamometer connected to the engine and emission values were measured from the emission device connected to the exhaust. Compared to pure gasoline in the experimental study, both the torque value and engine power of the PH10 blend fuel decreased, while the exhaust gas temperature increased. While both torque and engine power of PH20 and PH30 blended fuels increased, exhaust gas temperatures decreased. Specific fuel consumption of PH10, PH20, PH30 blended fuels decreased by 4.93 %, 2.12 % and 8.04 %, respectively, compared to pure gasoline. Phthalocyanines' protective, cleaning, and anticorrosion properties can lead to a decrease in specific fuel consumption when used as a gasoline additive. In the study, it was concluded that increasing the ratio of phthalocyanines additive in gasoline reduces fuel consumption. PH10, PH20 and PH30 fuel blends resulted in 15.34 %, 19.46 % and 9.61 % increase in CO2 emissions respectively compared to gasoline. In addition, CO emissions of blended fuels decreased compared to gasoline, while NOx and HC emissions increased.
Ftalosiyaninin Benzinli Motor Performansı ve Emisyonlar Üzerine Etkilerinin Deneysel Olarak Araştırılması
(2024) Yakın, Ahmet; Uckan, İrfan; Cabir, Beyza
Fosil yakıtların yanmasından kaynaklanan sera gazı emisyonlarının neden olduğu küresel ısınmanın ve bu yakıtların sınırlı doğasının farkına varılması, otomotiv mühendislerini alternatif enerji kaynaklarını ve araç tasarımlarını keşfetmeye yöneltmiştir. Hibrit ve elektrikli araçların (HEV'ler ve EV'ler) benimsenmesi artarken, içten yanmalı motorlu (İYM) araçlar yaygınlığını korumaktadır. İYM' lerle ilgili çevresel kaygıları gidermek için bilim insanları, fosil yakıtlara bağımlılığı daha da azaltmak için hidrojen yakıt hücreli elektrikli araçlar (FCEV'ler) ve bataryalı elektrikli araçlar (BEV'ler) gibi tamamen yeni araç tasarımlarına yönelik araştırmalara devam etmektedirler. Ayrıca günümüz araçlarında kullanılan motorların, motor verimliliğini artırmak ve emisyonları en aza indirmek için potansiyel çözümler olarak nano yakıtların ve yakıt katkı maddelerinin kullanımını araştırmaktadırlar. Benzin-ftalosiyanin karışımlarının içten yanmalı benzinli bir motordaki performans ve emisyonlarını değerlendirmek için deneysel bir araştırma yapılmıştır. FS7.5 (hacimsel olarak %92.5 benzin %7.5 ftalosiyanin), FS12.5 (hacimsel olarak %87.5 benzin %12.5 ftalosiyanin), FS17.5 (hacimsel olarak %82.5 benzin %17.5 ftalosiyanin) hazırlanmış ve daha sonra motorda değerlendirilmiştir. Deneysel çalışma sonuçlarına göre, benzin yakıtına kıyasla F17.5 karışım yakıtı kullanıldığında motor momenti %1.38 ve motor gücü %1.64 oranında artmıştır. Buna karşın, FS7.5 karışım yakıtı CO emisyonunda %55.89 oranında bir düşüşe yol açmıştır. FS17.5 karışım yakıtı ise egzoz gaz sıcaklığında %2.27 oranında bir azalma yaratırken, tüm karışım yakıtlarının HC, CO2 ve NOx emisyonlarında artış gözlenmiştir. Özgül yakıt tüketimleri ise FS7.5, FS12.5 ve FS17.5 karışım yakıtları için sırasıyla %5.51, %4.23 ve %2.83 oranlarında azalmıştır.
Investigation the Performance of a New Fuel Produced From the Phthalocyanine-Gasoline Mixture in an Internal Combustion Engine
(Pergamon-elsevier Science Ltd, 2024) Uckan, Irfan; Yakin, Ahmet; Cabir, Beyza
The study involved the utilization of novel developed six distinct fuel, denoted as, PG5, PG10, PG15, PG20, PG25, and PG30 and G100 (pure gasoline). These fuels were derived from various blends of gasoline and phthalocyanines. Experimental investigations were conducted to assess the internal combustion engine's performance in terms of both energy and exergy. The mixtures underwent testing across a range of engine speeds, spanning from 1400 rpm to 3000 rpm. Notably, optimal performance across all fuels and engine speeds was consistently observed at 2600 rpm. In terms of energy and exergy efficiency assessments for all fuels and engine speeds, PG25 fuel demonstrated the highest efficiency levels, with 35% energy efficiency and 33% exergy efficiency at 2600 rpm. Conversely, G100 fuel exhibited the lowest energy and exergy efficiency at the same engine speed, registering values of 27% and 24%, respectively. Meanwhile, with regard to exhaust exergy, G100 fuel demonstrated the highest exhaust energy at 10.69 kW, occurring at 3000 rpm, whereas PG25 fuel exhibited the lowest exhaust exergy, measured at 3.09 kW. It has been observed that N2 gas, one of the exhaust components that affects the exergy of exhaust gases, affects the exhaust exergy to a large extent and this ratio is approximately 50%. In addition, the sustainability index value for all fuels was found to be at most 2600 rpm. It was calculated as 1.50 for PG25 fuel and 1.32 for G100 fuel.
Methylene Blue Photocatalytic Degradation Under Visible Light Irradiation on Copper Phthalocyanine-Sensitized Tio2 Nanopowders
(Elsevier Science Bv, 2017) Cabir, Beyza; Yurderi, Mehmet; Caner, Nurdan; Agirtas, Mehmet Salih; Zahmakiran, Mehmet; Kaya, Murat
Described herein is a new photocatalytic material that shows remarkable catalytic performance in terms of activity and reusability in the photocatalytic degradation of methylene blue (MB) in water. The new catalyst system comprised of copper phthalocyanine modified titanium(IV) oxide (TiO2) nanopowders (CuPc-TiO2\) was prepared by the wet chemical impregnation method to improve the photocatalytic activity of TiO2 and characterized by the combination of various spectroscopic tools including ICP-OES, P-XRD, DR/UV-Vis, FTIR, FE-SEM, SEM-EDX, BFTEM, HRTEM and N-2-adsorption-desorption techniques. The photocatalytic performance of the resulting CuPc-TiO2 in terms of activity and stability was evaluated by the photocatalytic degradation of MB in aqueous solution under mild conditions. Our results revealed that CuPc-TiO2 photocatalyst displayed remarkable activity (TOF = 3.73 mol MB/(mol CuPc + mol TiO2) x h) in the complete (100%) photocatalytic degradation of MB under visible light irradiation (150 W). Moreover, CuPc-TiO2 photocatalyst showed excellent stability against to sintering and clumping throughout the reusability experiments and it retained >80% of its initial activity even at 5th reuse, which makes it reusable photocatalyst in the photocatalytic degradation of MB. (C) 2017 Elsevier B.V. All rights reserved.
Novel Cobalt(Ii), Zinc(Ii) Phthalocyanines Bearing Discrete Substituents: Synthesis, Characterization, Aggregation Behavior, Electrochemical Properties, and Antioxidant Activity
(Taylor & Francis inc, 2014) Agirtas, M. Salih; Cabir, Beyza; Dundar, Abdurrahman; Okumus, Veysi; Ceyhan, Gokhan
A new phthalonitrile derivative bearing 3,4,5-trimethoxy- benzyloxy and chloro-substituents at peripheral position was prepared by a nucleophilic displacement reaction. Cyclotetramerization of phthalonitrile derivative in dimethylsulfoxide (DMSO) gave the metallophthalocyanines. Novel Co(II), Zn(II) phthalocyanines (Pcs) were obtained from the reaction 4-[(3,4,5-trimethoxybenzyloxy]-5-chlorophthalonitrile and metal salts. The novel compounds have been characterized by using elemental analysis, UV-Vis, FTIR, H-1-NMR spectral data. The aggregation behaviors of Co(II), Zn(II) Pcs were also investigated. These metallophthalocyanines do not show any aggregation behavior between 1.2 x 10(-5) and 4.0 x 10(-6) M concentration range in DMF. The antioxidant activities of Pcs were investigated antioxidant assays such as free radical scavenging ability of 1,1-diphenyl-2-picryl-hydrazyl (DPPH) and ferrous ion chelating ability. Furthermore, the redox properties of the Pcs complexes were investigated by using cyclic voltammetry.
Novel Metal (Ii) Phthalocyanines With 3,4,5-Trimethoxybenzyloxy Synthesis, Characterization, Aggregation Behaviour and Antioxidant Activity
(Elsevier Sci Ltd, 2013) Agirtas, M. Salih; Cabir, Beyza; Ozdemir, Sadin
A new substituted phthalonitrile derivative was prepared by a nucleophilic displacement reaction of 3,4,5-trimethoxybenzyl alcohol with 4-nitrophthalonitrile. Novel metallophthalocyanines IM: Zn (II), Co (II), Ni (II)1 with four peripheral 3,4,5-trimethoxybenzyloxy groups were synthesized by cyclotetramerization of phthalonitrile derivative. These compounds were purified by crystallization and column chromatography. They were characterized by elemental analysis, FTIR, H-1 NMR, C-13 NMR and UV-VIS spectral data. The aggregation investigations carried out in different concentrations indicate that 3,4,5-trimethoxybenzyloxy-substituted phthalocyanine compounds do not have any aggregation behaviour in concentration range of 10(-2)-10(-8) M. The antioxidant activities of phthalocyanines were investigated by in vitro antioxidant assays such as free radical scavenging ability of 1,1-diphenyl-2-picrylhydrazyl (DPPH) and ferrous ion chelating ability. The highest DPPH activity and ferrous ion chelating activity were obtained from Tetrakis [(3,4,5-trimethoxybenzyloxy) phthalocyaninato] cobalt and 4-(3,4,5-trimethoxybenzyloxy) phthalonitrile, respectively. 4-(3,4,5-trimethoxybenzyloxy) phthalonitrile was shown to have a fairly ferrous ion chelating activity. (C) 2012 Elsevier Ltd. All rights reserved.
Synthesis and Antioxidant, Aggregation, and Electronic Properties of 6-Tert Substituted Phthalocyanines
(Tubitak Scientific & Technological Research Council Turkey, 2018) Agirtas, Mehmet Salih; Cabir, Beyza; Gumus, Selcuk; Ozdemir, Sadin; Dundar, Abdurrahman
As a starting material, 7-tert-butyldibenzo [b,e] [1,4] dioxine-2,3-dicarbonitrile was prepared by the reaction of 4-tert-butylcatechol with 4,5-dichlorophthalonitrile. Metallophthalocyanine complexes (4-7) were obtained by cyclotetramerization of 7-tert-butyldibenzo [b,e] [1,4] dioxine-2,3-dicarbonitrile. All compounds were characterized by elemental analysis and other spectroscopic methods (IR, UV/Vis, and I-H NMR). Phthalocyanine compounds remained nonaggregated in tetrahydrofuran at the studied concentration ranges. Metallophthalocyanines (4-7) were tested for their antioxidant activities. The antioxidant activity processes included evaluation of radical-scavenging activity, chelating activity, and reducing power. These compounds were compared to standard antioxidant ascorbic acid. The electronic data of the new compounds were obtained by computational calculations at the B3LYP/6-31G (d,p) level of theory.
Synthesis of Metallophthalocyanines With Four Oxy-2,2 Acid Substituents and Their Structural and Electronic Properties
(de Gruyter Poland Sp Z O O, 2016) Abdalrazaq, Sakar Mubarak; Cabir, Beyza; Gumus, Selcuk; Agirtas, Mehmet Salih
The synthesis and characterization of new copper-, magnesium-and cobalt-phthalocyanine complexes are reported. It appears that these complexes are not aggregated in THF in the concentration range of 1 x 10(-5)-1 x 10(-6) m. Additional structural and electronic data about the new complexes were obtained by calculations with the application of density functional theory at B3LYP/6-31G(d, p) level.
Synthesis of Some Metallophthalocyanines Bearing 9-Phenyl Oxy Functional Groups and Investigation of Their Photophysical Properties
(Elsevier Science Bv, 2017) Cabir, Beyza; Agirtas, M. Salih; Duygulu, Ercan; Yuksel, Fatma
As starting material, 4-((9-phenyl-9H-fluoren-9-yl) oxy) phthalonitrile (3) was synthesized and characterized. Cobalt (4), zinc(5), and magnesium(6) phthalocyanines were obtained by reaction of starting material with corresponding metal salt. The new synthesized phthalonitrile derivative (3) was characterized by X-ray crystallography in addition to with other spectroscopic methods. Phthalocyanine complexes were characterized by using electronic absorption, nuclear magnetic resonance spectroscopy, infrared and mass spectra. Furthermore, spectroscopic and photophysical properties such as absorption, excitation, and emission spectra of zinc and magnesium phthalocyanines were investigated in tetrahydrofuran solutions. Of compounds were determined the fluorescence lifetimes and the fluorescence quantum yields. The aggregation behavior for phthalocyanine complexes were carried out in tetrahydrofuran. (C) 2017 Elsevier B.V. All rights reserved.
Synthesis, Aggregation, Antioxidant and Dna-Binding Properties of Metallophthalocyanines Bearing 5-Tert Groups
(Wiley-v C H verlag Gmbh, 2017) Agirtas, Mehmet Salih; Cabir, Beyza; Ozdemir, Sadin; Okumus, Veysi; Arslantas, Ali
In this study, the synthesis and characterization of new substituted metallophthalocyanines are described. A new phthalonitrile, 4-(5-tert-butyl-2-hydroxyphenoxy)-5-chlorophthalonitrile (3) was prepared. New compounds were characterized by UV-Vis, IR, H-1 NMR, and elemental analysis. The aggregation behavior of the cobalt (II), magnesium (II) and copper (II) phthalocyanines were studied in tetrahydrofuran and in known concentration ranges. The antioxidant activities of compounds were evaluated. Their radical-scavenging capacity, metal chelating activity and reducing power was fully studied. The compound 3 showed 100% chelating activity as EDTA at concentration 50 mg/L. The DNA interaction of copper (II) phthalocyanine compound (6) was studied using UV/Vis titration, gel electrophoresis, cyclic voltammetry. The results indicated that compound 6 interacts with CT-DNA via intercalation binding mode.
Synthesis, Antioxidant, Dna Cleavage and Antimicrobial Properties of Phthalocyanine Complexes Bearing the Poly-Hydroxyl Groups
(Springer int Publ Ag, 2021) Agirtas, Mehmet Salih; Cabir, Beyza; Yildiko, Umit; Ozdemir, Sadin; Gonca, Serpil
(4-((1-((2-(bis(2-hydroxypropyl) amino) ethyl) (2-hydroxypropyl) amino) propan-2-yl) oxy) phthalonitrile) (BHHP) was synthesized from reaction N, N, N ', N '- tetrakis (2-hydroxypropyl) ethylene diamine (SM) with 4-nitro phthalonitrile. Zinc, cobalt and copper phthalocyanine complexes were achieved from the reaction of BHHP compound with metal salts. Quantum chemical studies of these phthalocyanines have been computationally supported using density functional theory methods. The antioxidant properties of phthalocyanine compounds were determined with the help of l, l-diphenyl-2-picrilhydrazyl radical scavenging ability and chelating ability to iron ions. Compound 6 showed 72.8% inhibition of DPPH free radicals at 200 mg/L concentration and compound 4 showed 71.5% ferrous metal chelating activity at 200 mg/L concentration. The antimicrobial and DNA cleavage activities of compounds were also investigated. All tested phthalocyanine compounds showed excellent nuclease activity at all concentration. Antimicrobial activities of phthalocyanine compounds were detected using broth microdilution method and all test compounds demonstrated perfect antimicrobial activities. According to in vitro studies, copper phthalocyanine compound 6 has the best activity against the P. aeruginosa with 8 mu g/mL of MIC value.
Synthesis, Dft Analysis, and Electronic Properties of New Phthalocyanines Bearing Etaeo Substituents on Peripheral Position
(Taylor & Francis Ltd, 2019) Cabir, Beyza; Yildiko, Umit; Agirtas, Mehmet Salih
This study reports the synthesis of new zinc and magnesium phthalocyanine compounds with ((ethylenediamine-N,N ',N '-triacetic acid-N-2-ethyl)oxy) (ETAEO) substituted groups. A novel compound, (4-ETAEO) phthalonitrile, for the starting material of these phthalocyanines was synthesized. The exact characterization of the compounds was carried out with H-1 NMR, IR, UV-Vis, and mass spectra. Fluorescence intensity of these metallophthalocyanines (MPcs) was investigated at 1 x 10(-5) M concentration in tetrahydrofuran (THF). Electronic absorption measurements of the phthalocyanine compounds in the tetrahydrofuran were performed. Photodegradation was performed in dimethylformamide (DMF). Optimized structure, boundary molecular orbitals (HOMO and LUMO), natural bond orbital (NBO) analysis and global reactivity descriptors were analyzed by DFT calculations.
Synthesis, Spectroscopic Characterization, and Genotoxicity of a New Group of Azo-Oxime Metal Chelates
(Tubitak Scientific & Technological Research Council Turkey, 2013) Cabir, Beyza; Avar, Baris; Gulcan, Mehmet; Kayraldiz, Ahmet; Kurtoglu, Mukerrem
A new azo-oxime ligand, 2-[(E)-(hydroxyimino)methyl]-4-[(E)-(4-nitrophenyl)diazenyl]phenol, (pxoxH(2)) (2), was prepared by condensation of hydroxylamminehydrochloride and 2-hydroxy5-[(4-nitrophenyl)diazenyl]benzaldehyde (1) with treatment of a solution of diazonium salt of p-nitroaniline and 2-hydroxybenzaldehyde in ethanol. The 6 coordination compounds, [Mn(pxoxH)(2)(H2O)(2)]center dot H2O (3), [Co(pxoxH)(2)(H2O) (2)]center dot 4H(2)O (4), [Ni(pxoxH)(2)(H2O)(2)]center dot 2H(2)O (5), [Cu(pxoxH)(2)]center dot H2O (6), [Zn(pxoxH)(2)]center dot 6H(2)O (7), and [Cd(pxoxH)(2)(H2O)(2)]center dot H2O (8), were prepared by reacting Mn(II), Ni(II) Cu(II), Co(II), Zn(II), and Cd(II) ions with the ligand. The structures of the compounds were elucidated from the elemental analysis data and spectroscopic studies. The azo-oxime metal complexes were also characterized by XRD, magnetic moment, molar conductivity, and thermal analyses. Elemental analyses of the chelates suggested that the metal to ligand ratio was 1:2. It was found that the ligand acts as a bidentate bending through the phenolic oxygen and nitrogen atom of the C=N-OH group similar to most oximes. Upon complexation with the ligand, the Cu(II) and Zn(II) ions formed square planar and tetrahedral structures, respectively, and the Mn(II), Ni(II), Co(II), and Cd(II) ions formed octahedral structures with 2 water molecules as axial ligands. Finally, the ligand and its complexes were assessed for their genotoxicity.
Yeni Pratik Bir Yöntem Kullanarak Tetrakis (4-(2-fenilprop-2-il) Fenoksi) Sübstitüentli Ftalosiyaninlerin Sentezi
(2019) Durmuş, Cihan; Agırtas, Mehmet Salıh; Cabir, Beyza
Bu çalıĢmada, 4- (2-fenilprop-2-il) fenoksi) sübstitüentini taĢıyan çinko, kobalt ve nikel ftalosiyanin bileĢikleri hazırlandı. Burada sentez için yeni pratik bir metot kullanıldı. Bu metot sentez süresini oldukça kısaltmaktadır. Bu yöntem, reaksiyonun kısa sürede ve daha düĢük bir sıcaklıkta gerçekleĢmesi için çok etkilidir. Ayrıca, bu bileĢikler agregasyon ve fotoregredasyon özellikleri açısından incelenmiĢtir. Agregasyon tetrahydrofuran (THF) içinde 1x10-5-1x10-6 M konsantrasyon aralığında incelenmiĢtir. IĢık ıĢınımı altında ftalosiyanin komplekslerinin fotodegradasyon özellikleri de kloroformda (CHCl3) incelenmiĢtir.