Тип публикации: статья из журнала
Год издания: 2015
Идентификатор DOI: 10.1016/j.molstruc.2015.08.046
Ключевые слова: Bicyclic compounds, Thiobarbiturates, Heterocycles, X-ray diffraction, IR spectroscopy, Theoretical calculations, Acetone, Hydrogen bonds, Infrared spectroscopy, Mass spectrometry, Molecules, Single crystals, Spacecraft instruments, Spectrometry, Spectrum analysis, X ray diffraction, X ray diffraction analysis, Mass spectrometric analysis, Powder X ray diffraction, Representative compound, X-ray single-crystal analysis, Crystal structure
Аннотация: The colorless crystals of 1,3-diethyl-7-hydroxy-5,5,7-trimethy1-2-thioxo-1,2,3,5,6,7-hexahydro-4H-pyrano[2,3-d]pyrimidin-4-one (I) have been crystallized from the solution containing 1,3-diethyl-2-thiobarbituric acid (HDETBA) and equal volumes of concentrated HCl and acetone A possible stoichiometric reaction mechanism has been suggested. The crystal structure of I has been determined by X-ray single crystal analysis. The phase purity of the precipitate has been verified by powder X-ray diffraction analysis. Compound 1 crystallizes in the orthorhombic structure, space group P2(1)2(1)2(1), with cell parameters a = 9.7454(4), b = 11.2225(4), c = 13.9171(5) angstrom, Z = 4, V = 1522.1(1) angstrom(3). The molecules of 1 contain the bicyclic ring constructions new in thiobarbiturates. The molecules of 1 are linked by O-H center dot center dot center dot O hydrogen bonds to infinite molecule chains. The results of mass spectrometric analysis, theoretical studies and IR spectroscopy confirm the structure of I. Using the PASS software, the general pharmacological potential of 1 was analyzed. (C) 2015 Elsevier B.V. All rights reserved.
Издание
Журнал: JOURNAL OF MOLECULAR STRUCTURE
Выпуск журнала: Vol. 1102
Номера страниц: 101-107
ISSN журнала: 00222860
Место издания: AMSTERDAM
Издатель: ELSEVIER SCIENCE BV
Персоны
- Golovnev N.N. (Siberian Federal University)
- Goryunov Y.V. (Siberian Federal University)
- Molokeev M.S. (Far Eastern State Transport University)
- Sterkhova I.V. (Laboratory of Physical Chemistry, Irkutsk Favorsky Institute of Chemistry, SB RAS)
- Atuchin V.V. (Institute of Thermophysics)
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