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    Process for the preparation of quinophthalones
    2.
    发明授权
    Process for the preparation of quinophthalones 失效
    喹酞酮的制备方法

    公开(公告)号：US6121452A

    公开(公告)日：2000-09-19

    申请号：US921764

    申请日：1997-08-28

    Applicant: Dietmar Kalz ,  Stephan Michaelis ,  Karl-Heinz Reinhardt

    Inventor： Dietmar Kalz ,  Stephan Michaelis ,  Karl-Heinz Reinhardt

    IPC: C07D215/20 ,  C08G63/685 ,  C08G64/12 ,  C09B25/00 ,  D06P3/00

    CPC classification number: C08G63/685 ,  C07D215/20 ,  C08G64/12 ,  C09B25/00

    Abstract: The present invention relates to a process for preparing compounds of formula (I) ##STR1## wherein A completes an unsubstituted or substituted heteroaromatic ring andB completes an unsubstituted or substituted aromatic ring, by reacting a heterocyclic compound of formula (II) ##STR2## wherein A completes an unsubstituted or substituted heteroaromatic ring, with an aromatic dicarboxylic acid of formula (III) ##STR3## or an anhydride thereof, wherein B completes an unsubstituted or substituted aromatic ring, in an organic solvent in the presence of an aliphatic or aromatic alcohol that is different from both the organic solvent and compounds (I), (II), and (III).

    Abstract translation: 本发明涉及一种制备式（I）化合物的方法，其中A完成未取代或取代的杂芳环，B完成未取代或取代的芳环，通过使式（II）的杂环化合物（其中A完成未取代或取代的芳环） 取代的杂芳环与式（III）的芳族二羧酸或其酸酐反应，其中B在有机溶剂存在下在有机溶剂中完成未取代或取代的芳环，所述脂族或芳族醇不同于有机溶剂 和化合物（I），（II）和（III）。

    Bridged perinones/quinophthalones
    3.
    发明授权
    Bridged perinones/quinophthalones 失效
    桥联perinones / quinophthalones

    公开(公告)号：US5955614A

    公开(公告)日：1999-09-21

    申请号：US919834

    申请日：1997-08-28

    Applicant: Dietmar Kalz ,  Dieter Arlt ,  Karl-Heinz Reinhardt

    Inventor： Dietmar Kalz ,  Dieter Arlt ,  Karl-Heinz Reinhardt

    IPC: C07D215/14 ,  C07D215/20 ,  C09B25/00 ,  C09B57/12 ,  C08K5/34

    CPC classification number: C09B57/12 ,  C09B25/00

    Abstract: Compounds of the general formula (I) or tautomeric forms thereof ##STR1## wherein Ar.sub.1 and Ar.sub.2 independently of one another denote radicals to complete optionally substituted carbocyclic aromatic rings, B denotes an optionally substituted alkylene group or a radical of the formula ##STR2## wherein r represents a number from 1 to 4, the ends of which are in each case bonded to an aromatic C atom of the two radicals Ar.sub.1 and Ar.sub.2, andX.sub.1 and X.sub.2 independently of one another represent a radical of the formulae chosen from the group consisting of ##STR3## these being in each case located in the ring such that the ##STR4## or the ##STR5## group is adjacent to the C--C double bond, wherein Y, Z, R.sub.a and R.sub.b have the meaning, given in the description, are outstandingly suitable for bulk dyeing of plastics.

    Abstract translation: 通式（I）或其互变异构形式的化合物，其中Ar 1和Ar 2彼此独立地表示完全任选取代的碳环芳环的基团，B表示任选取代的亚烷基或下式的基团其中r表示1 至4，其端部各自以键合到两个基团Ar1和Ar2的芳香族C原子，X1和X2彼此独立地表示选自以下各式的基团：在每种情况下， 位于环中，使得或该基团与CC双键相邻，其中Y，Z，Ra和Rb具有在说明书中给出的含义，非常适合于塑料的批量染色。

    Process for the preparation of naphthalene-1,8-dicarboximides
    7.
    发明授权
    Process for the preparation of naphthalene-1,8-dicarboximides 失效
    萘-1,8-二羧酰亚胺的制备方法

    公开(公告)号：US4892950A

    公开(公告)日：1990-01-09

    申请号：US204468

    申请日：1988-06-09

    Applicant: Detlef-Ingo Schutze ,  Klaus Wunderlich ,  Karl-Heinz Reinhardt ,  Martin Wienkenhover

    Inventor： Detlef-Ingo Schutze ,  Klaus Wunderlich ,  Karl-Heinz Reinhardt ,  Martin Wienkenhover

    IPC: C07D221/14

    CPC classification number: C07D221/14

    Abstract: Process for the preparation of naphthalene-1,8-dicarboximide which is optionally substituted in the naphthalene ring, characterized in that naphthalene-1,8-dicarboxylic anhydride which is optionally substituted in the naphthalene ring is reacted with an ammonium salt in an aqueous medium at a pH near to the neutral point, the reaction mixture is then acidified to a pH of 1 to 4 and the pH is subsequently adjusted to a value near to the neutral point.

    Abstract translation: 在萘环中任选取代的萘-1,8-二羧酰亚胺的制备方法，其特征在于在萘环中任选取代的萘-1,8-二羧酸酐与含水介质中的铵盐反应 在接近中性点的pH下，将反应混合物酸化至1至4的pH，随后将pH调节至接近中性点的值。

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