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Synthesis and Phase Transition Behaviours of New Chalcone Derivatives
Joint Authors
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-08-07
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
A series of new chalcone derivatives with a general formula of C11H27COOC6H4COCH=CHC6H4X where X=F, Cl, Br, and NO2 were well synthesized and crystallized from organic solution.
The physical properties as well as the chemical formulations of these compounds were determined by spectroscopic techniques (FTIR, and 1H and 13C NMR).
Differential scanning calorimetry (DSC) and polarizing optical microscopy (POM) techniques were employed to study their transition temperatures and mesophase characteristics.
DSC thermograms of compounds with fluoro and nitro substituents displayed direct isotropization and recrystallization during heating and cooling processes.
Chloro and bromo analogues exhibited Cr1-to-Cr2 transition within the crystal phase region.
It was also found that enone linkage showed fewer tendencies to exhibit mesomorphic property compared to imine linkage.
However, when enone linkage is combined with other central linkages and additional phenyl rings, it turns conducive to mesomorphism.
American Psychological Association (APA)
Sie Tiong, Ha& Low, Y. W.. 2013. Synthesis and Phase Transition Behaviours of New Chalcone Derivatives. Journal of Chemistry،Vol. 2013, no. 2013, pp.1-6.
https://search.emarefa.net/detail/BIM-510224
Modern Language Association (MLA)
Sie Tiong, Ha& Low, Y. W.. Synthesis and Phase Transition Behaviours of New Chalcone Derivatives. Journal of Chemistry No. 2013 (2013), pp.1-6.
https://search.emarefa.net/detail/BIM-510224
American Medical Association (AMA)
Sie Tiong, Ha& Low, Y. W.. Synthesis and Phase Transition Behaviours of New Chalcone Derivatives. Journal of Chemistry. 2013. Vol. 2013, no. 2013, pp.1-6.
https://search.emarefa.net/detail/BIM-510224
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-510224