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Crystallization, spectral, crystallographical, and thermoanalytical studies of succinobucol polymorphism
O. Jurček, M. Lahtinen, Z. Wimmer, P. Drašar, E. Kolehmainen,
Language English Country United States
Document type Journal Article, Research Support, Non-U.S. Gov't
NLK
Medline Complete (EBSCOhost)
from 2005-06-01 to 2015-12-31
Wiley Online Library (archiv)
from 1996-01-01 to 2012-12-31
PubMed
22323097
DOI
10.1002/jps.23068
Knihovny.cz E-resources
- MeSH
- Calorimetry, Differential Scanning MeSH
- Crystallization MeSH
- Crystallography, X-Ray MeSH
- Magnetic Resonance Spectroscopy MeSH
- Models, Molecular MeSH
- Powder Diffraction MeSH
- Probucol analogs & derivatives analysis chemistry MeSH
- Spectrophotometry, Infrared MeSH
- Thermogravimetry MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Four different polymorphs, A, C, D, and E, of succinobucol were isolated and characterized by means of solid-state nuclear magnetic resonance spectroscopy, single crystal and powder X-ray diffraction, differential scanning calorimetry, thermogravimetry, and attenuated total reflection-infrared spectroscopy. From a number of experiments, the same polymorphs (C, D, and E) and an equilibrium phase mixture B consisting of polymorphs C and D were repeatedly gained using different solvents or their mixtures. Although polymorph A was obtained directly from recrystallization only on few occasions, polymorphs C, D, and E proved to be metastable kinetic polymorphs, which slowly transform to a thermodynamically more stable form A during long-term storage. The single-crystal structures of polymorph C and D were determined by X-ray single-crystal diffraction.
Department of Chemistry University of Jyväskylä 40014 Jyväskylä Finland
Institute of Chemical Technology 16628 Prague 6 Czech Republic
References provided by Crossref.org
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