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    • 8. 发明授权
    • Naphthalimide-4,5-dicarboxylic acids
    • 萘酰亚胺-4,5-二羧酸
    • US4007192A
    • 1977-02-08
    • US505624
    • 1974-09-13
    • Otto FuchsAdolf Kroh
    • Otto FuchsAdolf Kroh
    • C07D221/14C09B57/08C09B57/12C07D217/24C07D491/06
    • C09B57/12C07D221/14C09B57/08
    • Novel naphthalimide-4,5-dicarboxylic acids of the general formula ##STR1## or the anhydrides thereof, wherein R.sub.1 is hydrogen, hydroxy, amino, alkyl having 1 to 8 carbon atoms, hydroxyalkyl, alkoxyalkyl, aminoalkyl, monoalkylaminoalkyl, hydroxyalkoxyalkyl, alkoxyalkoxyalkyl, carbalkoxyalkyl, carboxyalkyl or phenylalkyl having each 1 to 6, preferably 1 to 4 carbon atoms in the alkyl or alkoxy portion or phenyl substituted by 1 to 3 halogen atoms, amino, alkyl, alkoxy, acylamino, acyl having each 1 to 4 carbon atoms, benzoyl or Carboxyl, and a process for preparing them, wherein naphthalene-1,4,5,8-tetracarboxylic acid, the mono- or dianhydride thereof are reacted as alkali salts in an aqueous solution with amines of the formulaH.sub.2 N - R.sub.1 (II)wherein R.sub.1 has the above meaning, at a pH-value of 5.2 - 7.5, preferably of 5.4 - 6.4, at temperatures of 80 to 160.degree. C.
    • 具有通式(I)的新型萘二甲酰亚胺-4,5-二羧酸或其酸酐,其中R 1是氢,羟基,氨基,具有1至8个碳原子的烷基,羟基烷基,烷氧基烷基,氨基烷基,单烷基氨基烷基,羟基烷氧基烷基 烷基烷氧基烷基,烷氧基烷氧基烷基,烷氧基烷基,羧基烷基或烷基或烷氧基部分中具有1至6个碳原子,优选1至4个碳原子的苯基烷基或被1至3个卤素原子取代的苯基,氨基,烷基,烷氧基,酰氨基, 碳原子,苯甲酰基或羧基的化合物及其制备方法,其中萘-1,4,5,8-四羧酸,其一酐或二酐在碱式盐中与式H2N- R1(II)其中R1具有上述含义,pH值为5.2-7.5,优选5.4-6.4,温度为80至160℃。