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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4005
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dc.contributor.authorKumar, Sandeep-
dc.contributor.authorGupta, Satyam Kumar-
dc.date.accessioned2011-04-08T07:13:06Z-
dc.date.available2011-04-08T07:13:06Z-
dc.date.issued2010-10-13-
dc.identifier.citationTetrahedron Letters, 2010, Vol.51, p5459en
dc.identifier.issn0040-4039-
dc.identifier.urihttp://hdl.handle.net/2289/4005-
dc.descriptionRestricted Access.en
dc.description.abstractSix novel gemini imidazolium salts tethered with hexaalkoxytriphenylene moieties were prepared by quaternization of imidazole nitrogen with ω-bromo-substituted triphenylene derivatives. Their chemical structures were examined by 1H NMR, IR, UV, MS, and elemental analyses. The mesomorphic properties of these discotic dimeric salts were investigated by polarizing optical microscopy, differential scanning calorimetry, and X-ray diffraction studies. These triphenylene-imidazole-based gemini dimers with bromide as counter ion were found to exhibit liquid crystalline behavior over a wide temperature range and display ionic conductivity in the range of 10−6 to 10−5 S/m. These materials tend to form monolayer at the air–water interface.en
dc.language.isoenen
dc.publisherElsevier Ltd.en
dc.relation.urihttp://dx.doi.org/10.1016/j.tetlet.2010.08.022en
dc.rights2010 Elsevier Limited.en
dc.subjectGemini surfactanten
dc.subjectIonic liquid crystalen
dc.subjectDiscoticen
dc.subjectTriphenyleneen
dc.subjectImidazoleen
dc.subjectColumnar mesophaseen
dc.titleThe first examples of discotic liquid crystalline gemini surfactantsen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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