Search Results - "Minkovska, Stela"

Thermal reversion of spirooxazine in ionic liquids containing the [NTf2]- anion by Coleman, Simon, Byrne, Robert, Minkovska, Stela, Diamond, Dermot

“…We have investigated the kinetic and thermodynamic parameters of thermal reversion of the spirooxazine…”
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Photoswitchable Photochromic Chelating Spironaphthoxazines: Synthesis, Photophysical Properties, Quantum-Chemical Calculations, and Complexation Ability by Minkovska, Stela, Hadjichristov, Georgi B., Neacsu, Andreea, Chihaia, Viorel, Fedorov, Yury V.

“…The stable and efficient photochromic and photoswitchable molecular systems designed from spirooxazines are of increasing scientific and practical interest…”
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Photochromic behavior of a bisthienylethene bearing Cu(I)-1,10-phenanthroline complexes by Uehara, Shun, Hiromoto, Yuma, Minkovska, Stela, Suzuki, Kazushi, Ubukata, Takashi, Yokoyama, Yasushi

“…A novel diarylethene having a 1,10-phenanthroline unit at each end of the molecule has been synthesized. Among the metal ions, it formed a stable complex with…”
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3-(2-Hydroxyethyl)-2-methylbenzothiazolium Bromide by Minkovska, Stela, Gadjev, Nikolay, Burdzhiev, Nikola, Alexiev, Alexi, Deligeorgiev, Todor

“…A novel method for the preparation of 3-(2-hydroxyethyl)-2-methylbenzothiazolium bromide was developed. It consists of heating of 2-methylbenzothiazole,…”
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2,3-Dimethylbenzoxazolium Methosulfate by Kurutos, Atanas, Gadjev, Nikolai, Šmidlehner, Tamara, Minkovska, Stela, Piantanida, Ivo, Deligeorgiev, Todor

“…An economically benign solvent-free approach to synthesise 2,3-dimethylbenzoxazolium methosulfate is reported in the present work. The title compound is…”
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Spirooxazine-based optical sensing of metal ions using laser beam by Hadjichristov, Georgi B., Minkovska, Stela

“…The use of a He-Ne laser beam at the wavelength of 632.8 nm and with optical intensity of ∼ 1 mW/cm2 was proposed to monitor the reversible photo-chemical…”
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Synthesis of photochromic chelating spironaphthoxazines by Deligeorgiev, Todor, Minkovska, Stela, Jejiazkova, Bojana, Rakovsky, Slavcho

“…Some novel spiroindolinonaphthoxazines, containing chelating functional groups were synthesized in order to evaluate their photochromic properties. Their…”
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Facile and environmentally benign synthetic approach to the selective mono‐chlorination and mono‐bromination of benzoOXAZOL‐2(3H)‐ONES by Kurutos, Atanas, Minkovska, Stela, Nedialkov, Paraskev T, Fedorov, Yury V

“…Exhibiting a wide spectrum of practical applications, benzo[d]oxazol‐2(3H)‐ones (BOA) are considered as key intermediates in the synthesis of pharmaceutical…”
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Facile and environmentally benign synthetic approach to the selective mono‐chlorination and mono‐bromination of benzo[d]OXAZOL‐2(3H)‐ONES by Kurutos, Atanas, Minkovska, Stela, Nedialkov, Paraskev T., Fedorov, Yury V.

“…Exhibiting a wide spectrum of practical applications, benzo[d]oxazol‐2(3H)‐ones (BOA) are considered as key intermediates in the synthesis of pharmaceutical…”
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Green synthesis, structure and fluorescence spectra of new azacyanine dyes by Enchev, Venelin, Gadjev, Nikolai, Angelov, Ivan, Minkovska, Stela, Kurutos, Atanas, Markova, Nadezhda, Deligeorgiev, Todor

“…A series of symmetric and unsymmetric monomethine azacyanine dyes (monomethine azacyanine and merocyanine sulfobetaines) were synthesized with moderate to high…”
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Modulation of photochromic properties of spirooxazine bearing sulfobutyl substituent by metal ions by Fedorov, Yury V., Shepel, Nikolay E., Peregudov, Alexander S., Fedorova, Olga A., Deligeorgiev, Todor, Minkovska, Stela

“…[Display omitted] •Novel sulfobutyl substituent on the indoline fragment of the molecule was synthesized and studied.•The interaction of spirooxazine with…”
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A novel fast green method for the preparation of the squaraine dye 3-oxo-4[(1,3,3-trimethyl-3H-indol-1-ium-2-yl)methylene]-2-[(1,3,3-trimethylindolin-2-ylidene)methyl]cyclobut-1-enolate, inner salt by Minkovska, Stela, Burdzhiev, Nikola, Alexiev, Alexi, Deligeorgiev, Todor

“…A novel green method was developed for the preparation of a squaraine dye, on an 8-mmol scale, by microwave irradiation of two equivalents of…”
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Investigating Nanostructuring within Imidazolium Ionic Liquids: A Thermodynamic Study Using Photochromic Molecular Probes by Coleman, Simon, Byrne, Robert, Minkovska, Stela, Diamond, Dermot

“…Molecular photoswitches have been used to investigate the possibility of nanostructured polar and nonpolar domains in ionic liquids (ILs). Two photochromic…”
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Novel synthesis and characterisation of 3,3-dimethyl-5′-(2-benzothiazolyl)-spironaphth(indoline-2,3′-[3 H]naphth[2,1- b] [1,4]oxazine) derivatives by Alhashimy, Nameer, Byrne, Robert, Minkovska, Stela, Diamond, Dermot

“…Novel modified spirooxazines (SOs) with additional chelating groups were synthesised and the crystal structure of one of these was determined. UV–vis…”
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Multistep assembling via intermolecular interaction between (bis)styryl dye and cucurbit[7]uril: Spectral effects and host sliding motion by Chernikova, Ekaterina Y., Tkachenko, Sergey V., Fedorova, Olga A., Peregudov, Alexander S., Godovikov, Ivan A., Shepel, Nikolay E., Minkovska, Stela, Kurutos, Atanas, Gadjev, Nikolay, Deligeorgiev, Todor G., Fedorov, Yuri V.

“…The host–guest interaction between bis(styryl)pyridinium dye (BSP) and cucurbit[7]uril (CB[7]) was studied by means of optical spectroscopy, 1H and 2D (COSY,…”
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Effect of complexation on the photochromism of 5′-(benzothiazol-2-yl)spiroindolinonaphthooxazines in polar solvents by Jeliazkova, Bojana G., Minkovska, Stela, Deligeorgiev, Todor

“…Complexation of Ni(II), Co(II) and Zn(II) with the photomerocyanines obtained under steady irradiation of spiroindolinonaphthooxazines containing…”
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Substituent and solvent effect on the photochromic properties of a series of spiroindolinonaphthooxazines by Minkovska, Stela, Jeliazkova, Bojana, Borisova, Ekaterina, Avramov, Latchezar, Deligeorgiev, Todor

“…The photochromic reactions of six recently synthesised spiroindolinonaphthooxazines bearing different substituents on the basic skeleton are studied under…”
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Thermally activated and light-induced metal ion complexation of 5′-(hydroxy)spiroindolinonaphthooxazines in polar solvents by Minkovska, Stela, Fedieva, Monika, Jeliazkova, Bojana, Deligeorgiev, Todor

“…Coordination of Cu(II), Fe(II) or Al(III) with the open form of 5′-(hydroxy)spiroindolinonaphthooxazines takes place thermally (slowly) and photochemically in…”
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Hydrophilic/Hydrophobic Balance in Relation with Structure and Biocompatibility of Ternary Biofilms PVA-HAP-Collagen Gel by Tihan, G., Minkovska, Stela, Giurginca, M., Tite, T., Iovu, H., Demetrescu, I.

“…The present work is focused on understanding relation between of ternary biofilms poly (vinyl alcohol) (PVA) - hydroxyapatite (HAP) - collagen gel (GC) surface…”
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Benzoxazolylacrolein derivatives as ligands for extraction atomic absorption analysis by KARADJOVA, I, JORDANOVA, L, MINKOVSKA, S

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