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Title: Microwave-assisted synthesis of novel imidazolium-based ionic liquid crystalline dimers
Authors: Pal, Santanu Kumar
Kumar, Sandeep
Keywords: Ionic liquid crystals
Discotic liquid crystals
Imidazolium salts
Issue Date: 30-Oct-2006
Publisher: Elsevier B.V.
Citation: Tetrahedron Letters, 2006, Vol.47, p8993-8997
Abstract: Microwave promoted synthesis of novel imidazolium-based ionic liquid crystalline dimers containing calamitic–calamitic, calamitic–discotic and discotic–discotic moieties is reported. Classical reactions failed to produce these dimers. The thermotropic liquid crystalline properties of these salts were investigated by polarizing optical microscopy, differential scanning calorimetry and X-ray diffractometry. These salts, except the one having calamitic–discotic units, with bromide as counter ion were found to be mesomorphic over a wide temperature range.
Description: This item consists of 2 files: Author's postprint version (Open Access) and Published version (Restricted Access)
ISSN: 0040-4039
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Copyright: (2006) by Elsevier B.V.
Appears in Collections:Research Papers (SCM)

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