Zobrazeno 1 - 10
of 22
pro vyhledávání: '"E. T. Karaseva"'
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 7, Pp m931-m932 (2008)
The title compound {systematic name: tetrakis[4-(3-carboxy-1-ethyl-6-fluoro-4-hydroxonio-1,4-dihydro-7-quinolyl)-1-methylpiperazin-1-ium] di-μ2-chlorido-bis[tetrachloridobismuthate(III)] tetrachloride octahydrate}, (C17H22FN3O3)4[Bi2Cl10]Cl4·8H2O,
Externí odkaz:
https://doaj.org/article/20025bd81a6648ab92aa215594c51fde
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 2, Pp m378-m378 (2008)
The title compound, {systematic name: (3-carboxy-1-ethyl-6-fluoro-7-piperazin-4-ium-1-yl-1H-quinolin-4-ylidene)oxonium tri-μ2-chlorido-bis[trichloridobismuthate(III)] chloride dihydrate], (C16H20FN3O3)2[Bi2Cl9]Cl·2H2O, is composed of [Bi2Cl9]3− a
Externí odkaz:
https://doaj.org/article/cbc321c42cfb460c8c7d2016686df5e1
Publikováno v:
Journal of Fluorescence. 21:2117-2122
Electronic absorption, luminescence, IR and Raman spectra of polymorphous forms of fluoroquinolones were investigated. Assignment of the band maxima due to π→π* and n→π* electronic transitions were done. The structural changes are responsible
Publikováno v:
Journal of Structural Chemistry. 52:399-404
The compounds of Eu(III) with nicotinic acid and enrofloxacin are synthesized. Their composition and structure are proved by the data of elemental analysis, IR and luminescence spectroscopy, powder and single crystal X-ray diffraction. By single crys
Publikováno v:
Russian Journal of General Chemistry. 81:725-731
TD-DFT study on the effect of donor and acceptor substituents on molecular orbital localization and charge distribution in fluoroquinolinone molecules showed that their photoexcitation is accompanied by electron density redistribution over particular
Publikováno v:
Russian Journal of Coordination Chemistry. 37:215-222
The complex (CfqH2AuCl4 · H2O ((CfqH2)+ is the ciprofloxacinium cation) was isolated and analyzed by spectral luminescence, X-ray photoelectron spectroscopy, and X-ray diffraction analysis. The central Au(III) atom has no direct interatomic contacts
Publikováno v:
Journal of Structural Chemistry. 50:434-438
The X-ray photoelectron spectra (XPS) of the core electrons of the carbon, oxygen, nitrogen, and fluorine atoms of antibiotics from the class of quinolones (nalidixic acid, norfloxacin, and enoxacin), having different antibacterial activities, were m
Publikováno v:
Russian Journal of Physical Chemistry A. 83:930-934
The influence of optical excitation on the formation of nalidixic acid dimers and excimers in aqueous media in the ground and excited states was studied. Quantum-chemical calculations of the total energy of monomers and dimers were performed. The spe
Publikováno v:
High Energy Chemistry. 42:459-463
The effect of intermolecular proton transfer on the spectral properties of levofloxacin in the ground and excited electronic states was studied. The preferred direction of possible protolytic reactions induced by UV irradiation in this compound was s
Publikováno v:
Journal of Luminescence. 128:1753-1757
It was shown that (fluoro)quinolone antibiotics form strongly fluorescent solid-state complexes with Eu(III) and Tb(III) lanthanide ions, with a wavelength red-shift beneficial for applications to greenhouse-cover polymers. Complexes with optimal pro