Journal ArticleDOI
Synthesis and characterization of 3-phenyl-4[H]-4-[one]-benzopyran (isoflavone) derivatives as potential mesogens
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TLDR
With few mesogenic chromone derivatives in the literature, the synthesis of 7-[4′-n-alkyloxybenzoyloxy] isoflavones was carried out in this paper.Abstract:
With few mesogenic chromone derivatives in the literature the synthesis of 7-[4′-n-alkyloxybenzoyloxy) isoflavones was carried out. The resulting homologous series was characterized by elemental an...read more
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Journal ArticleDOI
Assembly of supramolecular polymers in ultrathin films
TL;DR: In this paper, a sketch of the current status and trends in the field of organized assemblies from supramolecular polymeric systems is presented, focusing on the microstructural behavior in different classes of polymers and their abilities to form various organized superstructures at surfaces and interfaces.
Journal ArticleDOI
Non-symmetric liquid crystal dimers containing an isoflavone moiety
TL;DR: The first series of liquid crystal dimers to contain an isoflavone-based moiety has been prepared, the α-(4'-methoxy-3-phenyl-4H-1-benzopyran-4-one-7-oxy)-ω-(4-methioxazobenzene-4'-oxy)alkanes as discussed by the authors.
Journal ArticleDOI
Synthesis and mesomorphic properties of 7‐acyloxy‐3‐(4‐acyloxyphenyl)‐4H‐1‐benzopyran‐4‐one
Guan-Yeow Yeap,Wan-Sinn Yam,Masato M. Ito,Yumika Takahashi,Yoshiyuki Nakamura,Wan Ahmad Kamil Mahmood,Peng-Lim Boey,Shafida Abd Hamid,Ewa Gorecka +8 more
TL;DR: In this article, a new homologous series of 7−acyloxy, 3−(4‐acyloxyphenyl)−4H•1−benzopyran−4•ones was synthesized and characterized by elemental analysis and spectroscopic techniques along with thermal behaviour study using differential scanning calorimetry.
Journal ArticleDOI
Side chain liquid crystalline polymers at interfaces
TL;DR: In this paper, the authors present a sketch of the current status and future trends in the field of organized films from liquid crystalline polymers (LCP) at the interfaces, focusing on microstructural behavior in different classes of LCPs and their abilities to form various organized superstructures on surfaces and interfaces.
Journal ArticleDOI
Synthesis of new mesogenic compounds having the isoflavone core group
TL;DR: Two new series of calamitic liquid crystals containing the isoflavone moiety within the central core have been prepared and their liquid crystalline properties studied in this article, which exhibit typical nematic, smectic A and C mesophases.
References
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BookDOI
Liquid crystals and ordered fluids
TL;DR: In this paper, the authors present a NMR study of the transition of a mixture of two Isomeric Cyano-Ester homologous series, showing that the phase transition of one of the two isomeric versions of this series is a transition of the other.
Book ChapterDOI
Mesomorphic Behaviour of the Cholesteryl Esters-I: p-n-Alkoxybenzoates of Cholesterol
J. S. Dave,R. A. Vora +1 more
TL;DR: A homologous series of cholesteryl p-n-alkoxybenzoates has been synthesized and its mesomorphic behaviour studied as discussed by the authors, and all the members of the series are enantiotropic mesomorphic.
Journal ArticleDOI
Nematic Liquid Crystals Containing Pyridine and Benzazole Rings
TL;DR: The liquid crystalline 6-alkoxynicotinic acids were prepared, and their transition temperatures measured as mentioned in this paper, and their mesomorphic properties of these compounds were discussed. But they are not mesomorphic.
Journal ArticleDOI
Mesogenic Semicarbazones and Amino Oxadiazoles-I
TL;DR: In this article, the number of semicarbazones of 4(4′-n-alkoxybenzoyloxy) benzaldehydes is synthesized and they are cyclized to respective amino-oxadiazoles.