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Synthesis, characterization, and biological activity of amino acid derivatives of the heteropolytungstophosphoric acid
(Springer Wien, Wien, 2006)
Compounds of phosphotungstic acid (WPA) containing the amino acids alanine (WPA-Ala) or glycine (WPA-Gly) as counter cations were synthesized and characterized by elemental analysis, thermal analysis, and IR spectroscopy. ...
Spectrophotometric and potentiometric determination of acidic constants of oxo-phenyl pyridinium monoxime and dioxime
(Springer-Verlag, 1988)
The UV absorption spectra of 1-(1-hydroxyimino-2-oxo-2-phenyl) pyridinium chloride (compound I) and 1-(1-hydroxyimino-2-oxo-2-phenyl)-4-hydroxyiminomethyl pyridinium chloride (compound II) in water solution at different ...
Spectrophotometric investigation of the complexing reaction between rutin and titanyloxalate anion in 50% ethanol
(Springer-Verlag Wien, Vienna, 2000)
In the present work, rutin (3,3',4',5,7-pentahydrohyflavone-3-rhamnoglucoside) was determinated via a complexing reaction with a titanyloxalate anion. K-2[TiO(C2O4)(2)] and rutin react in 50% ethanol forming a 1:2 complex ...
Determination of acidic constants of some phenyl-hydroxyiminoethyl quinolinium compounds
(Springer-Verlag, 1986)
Mixed acidic constants (pK′a) of quinolinium oximes [1-(2-phenyl-2-hydroxyiminoethyl)-1-quinolinium chloride (F-1), 1-(2-phenyl-2-hydroxyiminoethyl)-1-isoquinolinium chloride (F-2), 1-(2-phenyl-2-hydroxyiminoethyl)-1-(4′ ...
The synthesis of novel iodinated iminodiacetic acid analogues as hepatobiliary imaging agents
(Springer Wien, Vienna, 2004)
The synthesis and characterization of N-[2-[[4-iodo-2,6-bis(1-methylethyl)phenyl]amino]-2-oxoethyl]-N-(carboxymethyl)glycine and N-[2-[(4-iodo-2,6-diethylphenyl)amino]-2-oxoethyl]-N-(carboxymethyl)glycine is presented, as ...
Statistical optimization applied to simultaneous determination of maprotiline, desipramine, and moclobemide by capillary zone electrophoresis
(Springer Wien, Wien, 2008)
A method of Capillary Zone Electrophoresis (CZE) for separation of three most-frequently prescribed antidepressants in the market: maprotiline, desipramine, and moclobemide was developed. The proposed method is fully ...
Synthesis, structural and biological characterization of 5-phenylhydantoin derivatives as potential anticonvulsant agents
(Springer Wien, Wien, 2012)
Considering the importance of hydantoin derivatives in treatment of status epilepticus, four 5-phenylhydantoins, whose lipophilicities were estimated to be similar to that of phenytoin, were synthesized. Evaluation of their ...
Spectrophotometric investigation of the Pd(II)-quercetin complex in 50% ethanol
(Springer-Verlag Wien, Vienna, 1998)
Composition and stability constant of the Pd(II)-quercetin complex were determined by suitable spectrophotometric methods and pH-metric measurements in 50% Ethanol. It was found that the pd(2+) ion and quercetin form a 1:1 ...
Study of the selectivity of alpha(1)-adrenergic antagonists by molecular modeling of alpha(1a)-, alpha(1b)-, and alpha(1d)-adrenergic receptor subtypes and docking simulations
(Springer Wien, Wien, 2013)
Modeling of alpha(1a), alpha(1b), and alpha(1d) adrenergic receptor subtypes has been performed using InsightII software and bovine rhodopsin as a template. Adrenaline and noradrenaline, as endogenous agonists, were docked ...
Insights into mechanism of anticancer activity of pentacyclic oxindole alkaloids of Uncaria tomentosa by means of a computational reverse virtual screening and molecular docking approach
(Springer Wien, Wien, 2014)
Alkaloid-rich extract from Uncaria tomentosa (cat's claw) has been reported to cause apoptosis in cancer lines. Oxindole pentacyclic alkaloids of the plant are responsible for this effect, yet their biological mechanism ...