Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3671
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dc.contributor.authorKumar, Sandeep-
dc.contributor.authorBisoyi, Hari Krishna-
dc.contributor.authorPal, Santanu Kumar-
dc.date.accessioned2008-11-28T11:24:27Z-
dc.date.available2008-11-28T11:24:27Z-
dc.date.issued2008-01-
dc.identifier.citationMolecular Crystals and Liquid Crystals, 2008, Vol.480, p287. Paper presented at the International Liquid Crystal Conference 2006, Colorado, USA.en
dc.identifier.issnE-ISSN: 1563-5287-
dc.identifier.issnP-ISSN: 1058-725X-
dc.identifier.urihttp://hdl.handle.net/2289/3671-
dc.descriptionRestricted Access.en
dc.description.abstractThis article presents a simple, rapid, economic and environmentally acceptable microwave promoted “green chemistry” approach to the synthesis of some conventional and non-conventional liquid crystalline materials. Alkylation of 4'-hydroxy-4-biphenylcarbonitrile with various alkyl halides under microwave irradiation furnished alkoxycynobiphenyl-based calamitic liquid crystals in very high yield within one minute. Similarly, terminally-functionalized alkoxycyanobiphenyls and alkoxycyanobiphenyl dimers can also be prepared. Microwave irradiation of hexaalkoxytriphenylene in the presence of ionic liquids gives monohydroxy-pentaalkoxytriphenylene in about 30% yield. Novel imidazolium-based ionic liquid crystalline dimers can be easily prepared via quaternization reaction using microwaves. Classical reaction conditions failed to produce these dimers.en
dc.language.isoenen
dc.publisherTaylor & Francisen
dc.relation.urihttp://dx.doi.org/10.1080/15421400701826795en
dc.rights2008 Taylor & Francisen
dc.titleGreen chemistry approach to the synthesis of liquid crystalline materialsen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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