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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/2763
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dc.contributor.authorSadashiva, B.K.-
dc.contributor.authorSubba Rao, G.S.R.-
dc.date.accessioned2007-06-13T05:54:28Z-
dc.date.available2007-06-13T05:54:28Z-
dc.date.issued1977-
dc.identifier.citationMolecular Crystals and Liquid Crystals, 1977, Vol.38, p345-352en
dc.identifier.issn1058-725X-
dc.identifier.urihttp://hdl.handle.net/2289/2763-
dc.descriptionRestricted Access.en
dc.description.abstractA new and general procedure for the preparation of 4-n-alkyl-4'' -cyano-p-terphenyl is described starting from p-terphenyl. This procedure consists of the Friedel-Crafts reaction on p-terphenyl with an acyl halide and reducing the resulting ketone by the Wolff-Kishner method to the 4-n-alkyl-p-terphenyl. This is acylated with acetyl chloride to the corresponding 4-n-alkyl-4''- acetyl-p-terphenyl, which in turn is oxidised to the carboxylic acid. This acid is converted to the amide through its acid chloride. Dehydration of this amide affords the desired 4-n-alkyl-4''- cyano-p-terphenyl. This convenient method offers better yields than the procedure of Gray et al.1 and could also be utilised for the preparation of 4-n-alkoxy-, and 4-n-alkyl-4' -cyano biphenyls. In addition to the cyano derivatives, some intermediate compounds also exhibit mesomorphic properties.en
dc.format.extent294793 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherGordon and Breach Science Publishers.en
dc.relation.urihttp://dx.doi.org/10.1080/15421407708084398en
dc.rights1977 OPA (Overseas Publishers Association) N.V.en
dc.titleA convenient method for the preparation of 4 - n - alkyl - 4'' -cyano - p - terphenylen
dc.typeArticleen
Appears in Collections:Research Papers (SCM)

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