US Patent 7041234 Methods for synthesis of liquid crystals
Patent 7041234 was granted and assigned to Southwest Research Institute on May, 2006 by the United States Patent and Trademark Office.
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A method for producing platform molecules comprising: forming a mixture comprising first and second phenylene rings comprising halogenated carboxylic groups, and a third phenylene ring comprising a desired substituent and a first functionality at a para-position to a second funcitonality; and exposing the mixture to conditions effective to react the first halogenated carboxylic group with the first functionality to produce a first ester bond, and the second halogenated carboxylic group with the second functionality to produce a second ester bond; producing platform molecules comprising terminal groups comprising the first functional group at a position para to first ester bond and the second functional group at a position para to the second ester bond.
US Patent 7041234 Methods for synthesis of liquid crystals
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