- Process for preparing derivatives of the monoamide of terephthalic acid
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An improved and simplified process for preparing terephthalic acid monoamide derivatives of the formula STR1 in which R denotes hydrogen, an alkaline earth metal or alkali metal cation or methyl, R1 denotes C8 -C30 -alkyl, preferably C12 -C22 -alkyl, and R2 denotes C1 -C30 -alkyl or, preferably hydrogen, in which dimethyl terephthalate is reacted with an amine of the formula in methanol and in the presence of sodium methylate. The compounds thus obtained are used for gelling oils and organic solvents.
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