Приказано за аутора "Dekić, Biljana"
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Antimicrobial activity of new mixed azines of coumarins and heteroaryl aldehydes
Ristić, Milenko; Dekić, Biljana; Radulović, Niko; Stojanović-Radić, Zorica; Dekić, Vidoslav; Aksić, Marija; Janićević, SuzanaThe azine functional group is a part of numerous compounds exhibiting a range of pharmacological activities. As part of our continuous search for new pharmacologically active compounds, we designed, synthesized, and ... -
Antioxidant activity and acute toxicity of new unsymmetrical azines containing coumarin and one more heterocyclic moieties
Ristić, Milenko; Radulović, Niko; Dekić, Biljana; Ristić, Novica; Dekić, VidoslavDuring our previous work, we prepared a series of mixed azines with a coumarin moiety and different benzaldehydes, and tested their acute toxicity and antioxidant activity. Since heterocyclic compounds possess a broad ... -
Anxiolytic-like Action of Selected 4-(Alkylamino)-3-nitrocoumarin Derivatives in BALB/c Mice
Randjelović, Pavle; Radulović, Niko; Stojanović, Nikola; Dekić, Vidoslav; Dekić, Biljana; Stojiljković, Nenad; Ilić, Sonja (Wiley-VHCA AG, Zurich, Switzerland, 2020-06-15)In this work we explored the possible polypharmacological potential of the already established antimicrobials against gastrointestinal pathogens, 4-(alkylamino)-3-nitrocoumarins, as antianxiety agents, using a battery of ... -
The crystal structure of 3-nitro-4-(p-tolylamino)-2H-chromen-2-one, C16H12N2O4
Dekić, Vidoslav; Rodić, Marko; Radulović, Niko; Ristić, Milenko; Dekić, Biljana; Gurešić, Dejan; Ristić, Novica (2019-10-14)C16H12N2O4, triclinic, P1 (no. 2), a = 10.7105(5) Å, b = 11.2685(5) Å, c = 13.0145(6) Å, α = 99.292(4)°, β = 109.607(4)°, γ = 96.771(4)°, V = 1435.01(12) Å3, Z = 4, Rgt(F) = 0.0427, wRref(F2) = 0.1124, T = 295(2) K. CCDC ... -
The crystal structure of aqua-bis(3-acetyl-2-oxo-2H-chromen-4-olato-κ2O,O′)zinc(II)monohydrate, C22H18O10Zn
Ristić, Milenko; Rodić, Marko; Radulović, Niko; Dekić, Biljana; Dekić, Vidoslav; Ristić, Novica; Gurešić, Dejan (2019-05-08)C22H18O10Zn, triclinic, P1̄ (no. 2), a = 7.9616(3) Å, b = 9.5386(3) Å, c = 14.2569(4) Å, α = 81.713(3)°, β = 82.724(3)°, γ = 73.103(3)°, V = 1021.03(6) Å3, Z = 2, Rgt(F) = 0.0223, wRref(F2) = 0.0603, T = 295(2) K. CCDC ... -
Diethyl-ether flower washings of Dianthus cruentus Griseb. (Caryophyllaceae): Derivatization reactions leading to the identification of new wax constituents
Dekić, Biljana; Ristić, Milenko; Ristić, Novica; Mladenović, Marko; Dekić, Vidoslav; Ranđelović, Vladimir; Radulović, Niko (Wiley-VHCA AG, Zurich, Switzerland, 2019-05-07)Some carnation species (Dianthus spp., Caryophyllaceae) exhibit a strong resistance to drought stress that is connected with the increased surface wax formation. Wax composition is unknown for the majority of Dianthus spp. ... -
The floral scent of Dianthus cruentus Griseb. (Caryophyllaceae)
Radulović, Niko; Ristić, Milenko; Ristić, Novica; Dekić, Vidoslav; Dekić, Biljana; Mladenović, MarkoThe genus Dianthus L. (Caryophyllaceae) comprises over 300 species of herbaceous plants that are spread over a vast area, especially in the Mediterranean region. Species of this genus, represented with 38 taxa in the Serbian ... -
A new longipinane ketone from Achillea abrotanoides (Vis.) Vis.: chemical transformation of the essential oil enables the identification of a minor constituent
Radulović, Niko; Mladenović, Marko; Ristić, Milenko; Dekić, Vidoslav; Dekić, Biljana; Ristić, Novica (Wiley-VHCA AG, Zurich, Switzerland, 2019-12-10)Introduction: Minor plant constituents are difficult to identify due to the challenging isolation and acquiring of reliable spectral data. Essential oils abound in such minor constituents that might be of high importance ... -
New natural products from the epicuticular wax of Dianthus cruentus Griseb. (Caryophyllaceae)
Radulović, Niko; Ristić, Milenko; Mladenović, Marko; Ristić, Novica; Dekić, Vidoslav; Dekić, Biljana; Ranđelović, VladimirDetailed GC and GC-MS analysis of a diethyl ether washings of fresh flowers of Dianthus cruentus Griseb. (Caryophyllaceae) enabled the identification of 153 constituents. The major identified compounds were long-chain ... -
Optimization and Validation of Kinetic-Spectrophotometric Technique for the Determination of Pesticide Dicamba in Infant Baby Foods Using Solid Phase Extraction Method
Pecev-Marinković, Emilija; Miletić, Ana; Pavlović, Aleksandra; Tošić, Snežana; Mitić, Milan; Rančić, Sofija; Dekić, Biljana (HARD Publishing Company s.c., 2020-09-08)The objective of this paper was to develop and apply the kinetic-spectrophotometric method for the determination of the pesticide dicamba in infant baby foods available in Serbia. The method is based on the inhibition ... -
Phenolic and flavonoid content and antioxidant evaluation of hawthorn (Crataegus Monogyna Jacq.) fruits and leaves extracts
Dekić, Vidoslav; Ristić, Novica; Dekić, Biljana; Ristić, MilenkoConsidering the facts that phenolic compounds have many pharmacological effects, as well that antioxidant effect of phenolic compounds has been proven in various experimental systems, aim of this research was to determine ... -
Phytochemical and antioxidant screening of some extracts of Juniperus communis L. and Juniperus oxycedrus L.
Živić, Nebojša; Milošević, Slaviša; Dekić, Vidoslav; Dekić, Biljana; Ristić, Novica; Ristić, Milenko; Sretić, Ljiljana (2019-10-25)The content of phytochemicals, total phenolics, total flavonoids and antioxidant potential of extracts of Juniperus communis L. and Juniperus oxycedrus L. berries were determined. Ethanol, ethyl acetate and chloroform were ... -
Synthesis and antioxidant activity of a new 4-aminocoumarin derivative
Ristić, Novica; Radulović, Niko; Dekić, Biljana; Ristić, Milenko; Dekić, VidoslavSynthesis, spectral characterization, and evaluation of in vitro antioxidant activity of a new coumarin derivative, 4- ((1,3,4-thiadiazol-2-yl)amino)-3-nitro-2H-chromene-2-one, are described. The synthesis of the new product ... -
Synthesis and complete NMR spectral assignments of new benzylamino coumarin derivative
Dekić, Vidoslav; Radulović, Niko; Ristić, Milenko; Dekić, Biljana; Ristić, NovicaThis research involves the reaction of 4-chloro-3-nitrocoumarin and (4-methoxyphenyl)methanamine, whereby a novel coumarin derivative 4-[(4-methoxybenzyl) amino]-3-nitro-2H-chromen-2-one was obtained in good yield. The ... -
Synthesis and spectral characterization of asymmetric azines containing a coumarin moiety: The discovery of new antimicrobial and antioxidant agents
Ristić, Milenko; Radulović, Niko; Dekić, Biljana; Dekić, Vidoslav; Ristić, Novica; Stojanović-Radić, Zorica (2018-10-25)Nine unsymmetrical azines containing a coumarin moiety were prepared by the reaction of the hydrazone of 4-hydroxy-3-acetylcoumarin with differently substituted aromatic aldehydes. The azines were fully spectrally ... -
Synthesis, complete assignment of 1H- and 13C-NMR spectra and antioxidant activity of new azine derivative bearing coumarin moiety
Ristić, Milenko; Dekić, Biljana; Radulović, Niko; Aksić, MarijaIn this research, the synthesis of a new azine derivative with coumarin moiety was performed in three reaction steps, starting from 4-hydroxycoumarin. The first step in synthesis was the acetylation of 4-hydroxycoumarin ...