Process for the preparation of pyrazole azo dyestuffs
    75.
    发明授权
    Process for the preparation of pyrazole azo dyestuffs 失效
    吡唑偶氮染料的制备方法

    公开(公告)号:US5502172A

    公开(公告)日:1996-03-26

    申请号:US416387

    申请日:1995-04-06

    CPC classification number: C09B29/0037 C09B43/00 Y10S8/921 Y10S8/922 Y10S8/924

    Abstract: New pyrazole azo dyestuffs of the formula (I) ##STR1## in which R.sup.1 denotes hydrogen or an acyl radical,R.sup.2 denotes hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl, aryl or a heterocyclic radical which is optionally bonded via alkylene,R.sup.3 denotes hydrogen, halogen, alkyl or alkoxy,R.sup.4 denotes hydrogen, halogen, hydroxyl, amino, nitro, cyano, alkyl, alkoxy, acylamino, acyloxy or alkoxy-carbonyl,R.sup.5 and R.sup.6 independently of one another in each case denote hydrogen, alkyl, aralkyl or aryl orNR.sup.5 R.sup.6 together denotes a hydrogenated heterocyclic radical which is bonded via the nitrogen and optionally contains further hetero atoms,it being possible for all the alkyl, alkenyl, cycloalkyl, aralkyl, aryl, alkoxy and heterocyclic radicals present to be optionally substituted by nonionic substituents, a novel process for their preparation and their use for dyeing and printing materials.

    Abstract translation: 式(I)的新的吡唑偶氮染料其中R1表示氢或酰基,R2表示氢,烷基,烯基,环烷基,芳烷基,芳基或杂环基,其任选地通过亚烷基键合, R3表示氢,卤素,烷基或烷氧基,R4表示氢,卤素,羟基,氨基,硝基,氰基,烷基,烷氧基,酰氨基,酰氧基或烷氧羰基,R5和R6各自独立地表示氢,烷基 ,芳烷基或芳基或NR5R6一起表示通过氮键合并任选地含有其它杂原子的氢化杂环基团,存在任何取代的所有烷基,烯基,环烷基,芳烷基,芳基,烷氧基和杂环基团是可能的 通过非离子取代基,它们的制备方法及其用于染色和印刷材料的新方法。

    Pyrazole azo dyestuffs
    76.
    发明授权
    Pyrazole azo dyestuffs 失效
    吡唑偶氮染料

    公开(公告)号:US5446136A

    公开(公告)日:1995-08-29

    申请号:US355365

    申请日:1994-12-13

    CPC classification number: C09B29/0037 C09B43/00 Y10S8/921 Y10S8/922 Y10S8/924

    Abstract: Pyrazole azo dyestuffs of the formula (I) ##STR1## in which R.sup.1 denotes hydrogen or an acyl radical,R.sup.2 denotes hydrogen, alkyl, alkenyl, cycloalkyl, aralkyl, aryl or a heterocyclic radical which is optionally bonded via alkylene,R.sup.3 denotes hydrogen, halogen, alkyl or alkoxy,R.sup.4 denotes hydrogen, halogen, hydroxyl, amino, nitro, cyano, alkyl, alkoxy, acylamino, acyloxy or alkoxycarbonyl,R.sup.5 and R.sup.6 independently of one another in each case denote hydrogen, alkyl, aralkyl or aryl orNR.sup.5 R.sup.6 together denotes a hydrogenated heterocyclic radical which is bonded via the nitrogen and optionally contains further hetero atoms,it being possible for all the alkyl, alkenyl, cycloalkyl, aralkyl, aryl, alkoxy and heterocyclic radicals present to be optionally substituted by nonionic substituents, a novel process for their preparation and their use for dyeing and printing materials.

    Abstract translation: 式(I)的吡唑偶氮染料其中R1表示氢或酰基,R2表示氢,烷基,烯基,环烷基,芳烷基,芳基或杂环基,其任选地通过亚烷基,R 3 R 4表示氢,卤素,烷基或烷氧基,R 4表示氢,卤素,羟基,氨基,硝基,氰基,烷基,烷氧基,酰氨基,酰氧基或烷氧基羰基,R 5和R 6各自独立地表示氢,烷基, 芳基或NR5R6一起表示通过氮键合并任选地含有另外的杂原子的氢化杂环基团,存在的所有烷基,烯基,环烷基,芳烷基,芳基,烷氧基和杂环基团可以任选被非离子取代基取代 ,它们的制备及其用于染色和印刷材料的新方法。

    Tetraindolylheptamethine dyestuffs
    77.
    发明授权
    Tetraindolylheptamethine dyestuffs 失效
    Tetraindolylheptamethine染料

    公开(公告)号:US5017707A

    公开(公告)日:1991-05-21

    申请号:US261947

    申请日:1988-10-24

    CPC classification number: C09B23/086 B41M5/136 B41M5/323

    Abstract: Tetraindolylheptamethine ethers and alcohols of the isomeric formulae ##STR1## and ##STR2## and dyestuffs of the formula ##STR3## in which A, B, D and E denote ##STR4## and D'.sup..sym. denotes ##STR5## and the remaining symbols have the meanings given in the description, are used in pressure- and heat-sensitive recording materials.

    Abstract translation: 其中A,B,D和E分别表示“IMAGE”和“D”(+)的式“IMAGE”的色素和/或IMA图像的色氨酸, 图像>其余符号具有说明书中给出的含义,用于压敏和热敏记录材料。

    Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines
    78.
    发明授权
    Chromogenic 4,4-diaryl-2-oxobenzo-3,1-oxazines 失效
    显色的4,4-二芳基-2-氧代苯并-3,1-恶嗪

    公开(公告)号:US4727140A

    公开(公告)日:1988-02-23

    申请号:US789802

    申请日:1985-10-21

    CPC classification number: C07D265/18 B41M5/136 C07D413/04 C09B11/04

    Abstract: 4,4-Diaryl-2-oxobenzo-3,1-oxazines of the general formula ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3, independently of one another, denote hydrogen, halogen, alkyl, aryl, alkanoylamino, aroylamino, heteryl, NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,at least one of the radicals X.sup.1, X.sup.2 or X.sup.3 standing for NY.sup.1 Y.sup.2, OY.sup.3 or SY.sup.3,R.sup.1 denotes hydrogen, alkyl, cycloalkyl, aralkyl, aryl or the members of a bridge to the o-carbon of ring B,Y.sup.1, Y.sup.2 and Y.sup.3, independently of one another, denote hydrogen, alkyl, cycloalkyl, aralkyl or aryl or the remaining members of a 5- or 6-membered ring which reaches to one of the o-position benzene C atoms and may contain further heteroatoms or Y.sup.1 +Y.sup.2 denote the remaining members of a 5- or 6-membered ring which may contain further heteroatoms andthe rings A, B and C and the radicals mentioned can in turn carry nonionic substituents customary in dyestuff chemistry, find utility in pressure-copyable and thermoreactive recording materials.

    Abstract translation: 通式为其中X 1,X 2和X 3彼此独立地表示氢,卤素,烷基,芳基,烷酰基氨基,芳酰基氨基,芳酰基氨基, 杂芳基,NY1Y2,OY3或SY3,代表NY1Y2,OY3或SY3的基团X1,X2或X3中的至少一个,R1表示氢,烷基,环烷基,芳烷基,芳基或与O- 环B,Y 1,Y 2和Y 3彼此独立地表示氢,烷基,环烷基,芳烷基或芳基或5-位或6-元环的其余成员,其至少一个位于邻位苯C原子之一和 可以含有另外的杂原子,或Y1 + Y2表示可含有其它杂原子的5或6元环的剩余成员,并且环A,B和C和所提及的基团可以依次携带染料化学中常规的非离子取代基,发现 在压力复制和热反应记录材料中的应用。

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