Process for the preparation of quinophthalones
    13.
    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

    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)。

    Bulk dyeing of plastics
    17.
    发明授权
    Bulk dyeing of plastics 失效
    大量染色塑料

    公开(公告)号:US5582621A

    公开(公告)日:1996-12-10

    申请号:US527473

    申请日:1995-09-13

    Abstract: Bulk dyeing of plastics using dyestuffs of the formula (I) ##STR1## wherein n denotes 1 or 2, preferably 1,R.sub.o for n=1, denotes aryl, hetaryl or heterocyclylidenemethyl, or for n=2, denotes a direct bond or arylene andthe ring A is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.6 -C.sub.10 -aryl, C.sub.1 -C.sub.4 -alkyloxy, C.sub.6 -C.sub.10 -aryloxy, C.sub.6 -C.sub.10 -aryl- or C.sub.1 -C.sub.4 -alkylsulphonyl, cyano, halogen, in particular chlorine or bromine, or a radical of the formula --COR.sub.1, wherein R.sub.1 represents C.sub.1 -C.sub.4 -alkoxy, amino, C.sub.1 -C.sub.4 -alkylamino, di-C.sub.1 -C.sub.4 -alkylamino, C.sub.6 -C.sub.10 -arylamino, C.sub.1 -C.sub.4 -alkyl or C.sub.6 -C.sub.10 -aryl, or contains a fused-on aromatic or cycloaliphatic ring,the plastics used being, in particular, thermoplastics, preferably vinyl polymers, polyesters or polyamides.

    Abstract translation: 使用式(I)的染料(I)对n = 1的染料进行大量染色,其中n表示1或2,优选1,n = 1的Ro表示芳基,杂芳基或杂环亚甲基甲基,或者对于n = 2,表示直接 键或亚芳基,并且环A未被取代或被C 1 -C 4 - 烷基,C 5 -C 8 - 环烷基,C 6 -C 10 - 芳基,C 1 -C 4 - 烷氧基,C 6 -C 10 - 芳氧基,C 6 -C 10 - 芳基或C 1 -C 1-4烷基磺酰基,氰基,卤素,特别是氯或溴,或式-COR 1的基团,其中R1表示C1-C4-烷氧基,氨基,C1-C4-烷基氨基,二C1-C4-烷基氨基,C6 -C 10 - 芳基氨基,C 1 -C 4 - 烷基或C 6 -C 10 - 芳基,或含有稠合的芳族或脂环族环,所用塑料,特别是热塑性塑料,优选乙烯基聚合物,聚酯或聚酰胺。

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