ABSTRACT

The ƒrst examples of benzene-based liquid crystalline main-chain polymers were reported by Ringsdorfandcoworkersin1985[13],shortlyafterthediscoveryoftheirtriphenylenecounterpartbythesamegroup[12].Theypreparedtetraalkanoyloxybenzene1byamethoddescribedin Chapter3.Theƒnalpolymerwasachievedbythesolutionpolycondensationof1withalkane-α,ωdioic acid dichloride [1:1 molar ratio] in pyridine and toluene (Scheme 5.1).