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Solvatochromic behavior and electronic structure of some symmetric 2-aminophenol Schiff base derivatives
(Elsevıer Scıence Bv, 2014)
The solvatochromic behavior and electronic structure of four symmetric 2-aininophenol Schiff base derivatives were investigated by using electronic absorption spectra in fourteen different spectroscopic grade solvents. The ...
Acidity constant determination of novel drug precursor benzothiazolon derivatives including acyl and piperazine moieties
(Pergamon-Elsevıer Scıence Ltd, 2013)
In this study, protonation and deprotonation behaviors of eight new drug precursor benzothiazolon derivatives in all of acidic and basic scale (super acidic, pH, super basic regions) are analyzed by using UV-visible ...
Structure-activity relationships for novel drug precursor N-substituted-6-acylbenzothiazolon derivatives: A theoretical approach
(Elsevıer, 2013)
In this study, the twelve new modeled N-substituted-6-acylbenzothiazolon derivatives having analgesic analog structure have been investigated by quantum chemical methods using a lot of electronic parameters and structure-activity ...
Solvent effect on the absorption and fluorescence spectra of 7-acetoxy-6-(2,3-dibromopropyl)-4,8-dimethylcoumarin: Determination of ground and excited state dipole moments
(Pergamon-Elsevıer Scıence Ltd, 2013)
The ground state (mu(g)) and excited state (mu(e)) dipole moments of 7-acetoxy-6-(2,3-dibromopropyl)-4,8-dimethylcoumarin (abbreviated as 7ADDC) are estimated from solvatochromic shifts of absorption and fluorescence spectra ...
A study on solvatochromism of some monoazo dye derivatives
(Elsevıer Scıence Bv, 2013)
The UV-vis and fluorescence spectra of four monoazo dye derivatives were investigated in the solvents with different polarities. Characterization of UV-vis electronic bands is specified by calculating charge transfer energy ...
A Theoretical Study on Electronic Structure and Structure-Activity Properties of Novel Drug Precursor 6-Acylbenzothiazolon Derivatives
(Wıley-Blackwell, 2011)
In this work, electronic properties and structure-activity relationship (SAR) parameters of 20 novel drug precursor 6-acylbenzothiazolon derivatives with analgesic activity have been investigated theoretically by performing ...
UV-spectral changes for some azo compounds in the presence of different solvents
(Elsevıer Scıence Bv, 2011)
The electronic absorption spectra of four azo dyes with different substituents (such as Cl, I, OH) are determined at room temperature in twenty-one solvents with different polarities. The electronic transitions of azo dyes ...
Spectroscopic Determination of Acid Dissociation Constants of N-Substituted-6-acylbenzothiazolone Derivatives
(Amer Chemıcal Soc, 2011)
The acid dissociation constants of twelve novel drug precursor N-substituted-6-acylbenzothiazolone derivatives were determined by using the UV-vis spectroscopic technique. The protonation and deprotonation behaviors of the ...
Studies on the electronic absorption spectra of some monoazo derivatives
(Pergamon-Elsevıer Scıence Ltd, 2011)
The electronic absorption spectra of a series of azo dye compounds containing -Cl, -SO(3)H and -OH groups were recorded in twenty one solvents with different polarities. The solvents were selected to cover a wide range of ...
Quantum chemical studies on tautomerism and basicity behavior of some 1,2,4-triazole derivatives
(Scıentıfıc Technıcal Research Councıl Turkey-Tubıtak, 2010)
The acidity constants, relative stabilities, and tautomeric equilibrium constants of some 1,2,4-triazole derivatives were determined using the density functional theory (DFT) with the B3LYP method and 6-311G(d,p) basis ...