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Synthesis of New Liquid Crystalline Diglycidyl Ethers

School of Industrial Technology, University Sains Malaysia, Penang 11800, Malaysia
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Molecules 2012, 17(1), 645-656; https://doi.org/10.3390/molecules17010645
Received: 3 November 2011 / Revised: 13 December 2011 / Accepted: 17 December 2011 / Published: 10 January 2012
(This article belongs to the Section Organic Chemistry)
The phenolic Schiff bases IVI were synthesized by condensation reactions between various diamines, namely o-dianisidine, o-tolidine and ethylenediamine with vanillin or p-hydroxybenzaldehyde and subsequent reactions between these phenolic Schiff bases and epichlorohydrin to produce new diglycidyl ethers IaVIa. The structures of these compounds were confirmed by CHN, FT-IR, 1H-NMR, and 13C-NMR spectroscopy. Their thermotropic liquid crystalline behavior was studied using differential scanning calorimetry (DSC) and polarizing optical microscopy (POM). All the diglycidyl ethers prepared exhibit nematic mesophases, except for Va and VIa, which did not show any transition mesophases, but simply flow to liquids. View Full-Text
Keywords: synthesis; diglycidyl ether; schiff base; liquid crystal synthesis; diglycidyl ether; schiff base; liquid crystal
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MDPI and ACS Style

Mohammed, I.A.; Hamidi, R.M. Synthesis of New Liquid Crystalline Diglycidyl Ethers. Molecules 2012, 17, 645-656. https://doi.org/10.3390/molecules17010645

AMA Style

Mohammed IA, Hamidi RM. Synthesis of New Liquid Crystalline Diglycidyl Ethers. Molecules. 2012; 17(1):645-656. https://doi.org/10.3390/molecules17010645

Chicago/Turabian Style

Mohammed, Issam Ahmed, and Rashidah Mohamed Hamidi. 2012. "Synthesis of New Liquid Crystalline Diglycidyl Ethers" Molecules 17, no. 1: 645-656. https://doi.org/10.3390/molecules17010645

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