Kurum Yazarı "İslamoğlu, Fatih" WoS İndeksli Yayınlar Koleksiyonu İçin Listeleme
-
Calculation of thermodynamic properties of the most important forty-seven different solvents to create an information data bank through semi-empirical quantum methods used in determination of theoretical pKa
İslamoğlu, Fatih; Erdoğan, Naciye (Natl Inst Science Communication-Niscair, 2020)In this study, we have calculated the thermodynamic properties, especially in determining the theoretical acidic properties and pKa values of organic compounds, as enthalpy (Delta H, kcal/mol), heat capacity (C, cal/Kmol), ... -
Correlation between phenolic compounds and antioxidant activity of Anzer tea (Thymus praecox Opiz subsp caucasicus var. caucasicus)
Turumtay, Emine Akyaz; İslamoğlu, Fatih; Çavuş, Derya; Şahin, Hüseyin; Turumtay, Halbay; Vanholme, Bartel (Elsevier Science Bv, 2014)Phenolic compounds of Thymus praecox Opiz subsp. caucasicus var. caucasicus were analyzed by high performance liquid chromatography equipped with an ultraviolet detector (HPLC-UV). Quercetin (co-eluting with luteolin) and ... -
Determination of biological activities and pka at drug active substance in some bisbenzimidazoles derivatives
İslamoğlu, Fatih; Erdoğan, Naciye; Menteşe, Emre (Raman Publ, 2016)Bisbenzimidazole derivatives have known different structures as drug active substance were evaluated for their biological activities such as antiviral and anti-tumor activities. in addition, acid dissociation constants ... -
Determination of the pKa value of some 1,2,4-triazol derivatives in forty seven different solvents using semi-empirical quantum methods (PM7, PM6, PM6-DH2, RM1, PM3, AM1, and MNDO) by MOPAC computer program
İslamoğlu, Fatih; Erdoğan, Naciye; Hacıfazlıoğlu, Esra (Ovidius University Press, 2023)In this study, we calculated the enthalpy (?H, kcal/mol), entropy (?S, cal/K.mol) and free energy (?G, kcal/mol) thermodynamic values of each molecule for forty-seven different solvent media according to semi-empirical ... -
Microwave assisted synthesis of some novel 2-(3-Chlorobenzyl)-1H-benzimidazole derivatives and determination of their antimicrobial activity and pKa values
Menteşe, Emre; Bekircan, Olcay; İslamoğlu, Fatih; Beriş, Fatih Şaban (Chiminform Data S A, 2015)In the present research, synthesis of new 2-(3-chlorobenzyl)-1H-benzimidazole derivatives bearing N-benzylidene, 1,2,4-triazole and N-acylhydrazone moiety is investigated. These novel compounds have been tested for their ... -
Novel phthalocyanines containing resorcinol azo dyes; synthesis, determination of pKa values, antioxidant, antibacterial and anticancer activity
Kantar, Cihan; Akal, Hayriye; Kaya, Bülent; İslamoğlu, Fatih; Türk, Mustafa; Şaşmaz, Selami (Elsevier Science Sa, 2015)There are many studies about effects on health of compounds having azo groups in literature. However, anticancer, antimicrobial and antioxidant properties of phthalocyanines containing azo dyes are unknown. Therefore, the ... -
Novel zinc(II)phthalocyanines bearing azo-containing schiff base: Determination of pKa values, absorption, emission, enzyme inhibition and photochemical properties
Kantar, Cihan; Mavi, Vildan; Baltaş, Nimet; İslamoğlu, Fatih; Şaşmaz, Selami (Elsevier Science Bv, 2016)Azo-containing schiff bases are well known and there are many studies about their various properties in literature. However, phthalocyanines bearing azo-containing schiff bases, their spectral, analytical and biological ... -
Rapid and efficient synthesis of a new series of 2-aryl-5-fluoro-6(4-phenylpiperazin-1-yl)-1H-benzimidazoles using microwave heating
Menteşe, Emre; Yılmaz, Fatih; İslamoğlu, Fatih; Kahveci, Bahittin (Sage Publications Ltd, 2015)A new series of 2-aryl-5-fluoro-6-(4-phenylpiperazin-1-yl)-1H-benzimidazoles was synthesised from the reaction of 4-fluoro-5-(4-phenylpiperazin-1-yl) benzene-1,2-diamine and iminoester hydrochlorides. 4-Fluoro-5-(4-pheny ... -
Synthesis of unsymmetrical 3,5-disubstituted 1,2,4-triazole derivatives with their pKa values
Bekircan, Olcay; İslamoğlu, Fatih; Menteşe, Emre; Kahveci, Bahittin (Chiminform Data S A, 2014)Acylhydrazones (2a-b) were synthesized by the condensation of iminoester hydrochlorides (1a-b) with benzhydrazide. the treatment of acylhydrazones With hydrazine hydrate afforded 4-amino-4H-1,2,4-triazoles. (3a-b). ... -
Theoretical determination of electronic, geometric and spectroscopic properties of some 1,2,4-triazol derivatives
In this study, molecular geometric optimization of five 4,5-dihydro-1H-1,2,4-triazol-5-one derivative compounds was obtained using Density Functional Theory, (DFT, B3LYP)/ Hartree Fock, (HF, B3LYP) methods on the basis set ...