Please use this identifier to cite or link to this item:
Title: Banana-shaped mesogens: effect of 2-methylresorcinol as the central unit on the mesomorphic properties of five-ring esters
Authors: Shubashree, S.
Sadashiva, B.K.
Dhara, Surajit
Issue Date: Jun-2002
Publisher: Taylor & Francis
Citation: Liquid Crystals, 2002, Vol.29, p789 - 797
Abstract: Three homologous series of banana-shaped five-ring esters and one series of seven-ring esters derived from 2-methylresorcinol have been synthesized. This has been carried out to understand the effect of chemical structure on the mesomorphic properties of such compounds. It is shown that the 2-methyl substituent in the central phenyl ring destabilizes the mesophases when they are compared with those of the analogous unsubstituted compounds. Replacement of a phenyl ring by a biphenyl moiety (seven-ring esters) in the two arms of the bent-core molecule enhances the thermal range of the mesophases as well as the clearing temperatures. The mesophases have been characterized using techniques such as polarizing optical microscopy, differential scanning calorimetry, and X-ray diffraction, and by electro-optical investigations. In the 32 compounds investigated, two mesophases, B 1 and B 2 , have been identified.
Description: Restricted Access.
ISSN: 0267-8292
1366-5855 (online)
Alternative Location:
Copyright: 2002 Taylor & Francis
Appears in Collections:Research Papers (SCM)

Files in This Item:
File Description SizeFormat 
2002 Liq Crys V29 789p.pdf
  Restricted Access
Restricted Access937.09 kBAdobe PDFView/Open Request a copy

Items in RRI Digital Repository are protected by copyright, with all rights reserved, unless otherwise indicated.