| 摘要 |
PROBLEM TO BE SOLVED: To provide a new diamine containing a naphthalene ring, which can be used for producing a polyamide, a polyimide and a polybenzoxazole having excellent mechanical strength, heat resistance, processability, etc., and to provide a method for producing the same. SOLUTION: The new diamine is 1,5-bis(aminohydroxybenzoyl)-2,6-dimethylnaphthalene compound. The method for producing the compound comprises reacting 2,6-dimethylnaphthalene with a hydroxy(or alkoxy)nitrobenzoic acid halide in the presence of a Friedel-Crafts catalyst to give a 1,5-bis(hydroxynitrobenzoyl)-2,6-dimethylnaphthalene compound, followed by reducing the compound. COPYRIGHT: (C)2008,JPO&INPIT
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