Fluorescent dyestuffs
    2.
    发明授权
    Fluorescent dyestuffs 失效
    荧光染料

    公开(公告)号:US4184977A

    公开(公告)日:1980-01-22

    申请号:US922186

    申请日:1978-07-05

    CPC分类号: C07F9/650994 C07D241/44

    摘要: Fluorescent dyestuffs of the formula ##STR1## wherein X and Y denote hydrogen, halogen, alkyl, aralkyl, alkenyl, hydroxyl, amino, alkoxy, aralkoxy, cycloalkoxy, aryloxy, alkylmercapto, alkylamino, dialkylamino, morpholino, piperidino, piperazino, pyrrolidino, acylamino or arylamino.Q denotes hydrogen, pyrazol-1-yl, oxazol-2-yl, benzoxazol-2-yl, naphthoxazol-2-yl, 1,2,4-oxadiazol-5-yl, 1,3,4-oxadiazol-2-yl, isoxazol-3-yl, isoxazol-5-yl, thiazol-2-yl, benzthiazol-2-yl, 1,3,4-thiadiazol-2-yl, imidazol-2-yl, benzimidazol-2-yl, 1,2,3-triazol-2-yl, 1,2,3-triazol-4-yl, 1,2,4-triazol-3-yl, 1,2,4-triazol-5-yl, 1,3,5-triazin-2-yl, 2H-benzotriazol-2-yl, 2H-naphthotriazol-2-yl, 1,2,3,4-tetrazol-5-yl, 1,2,3,4-tetrazol-1-yl, benzo[b]-furan-2-yl, naphtho[2,1-b]-furan-2-yl, benzo[b]-thiophen-2-yl, naphtho[2,1-b]-thiophen-2-yl, pyrimidin-2-yl, pyridin-2-yl, quinazolin-4-yl or quinazolin-2-yl, and, if n=0, also naphthyl, stilben-4-yl, benzo[b]-furan-6-yl, dibenzofuran-3-yl, dibenzofuran-2-yl, quinoxalin-5-yl, quinazolin-6-yl or 2H-benzotriazol-5-yl andn denotes 0, 1 or 2,it being possible for the substituents X, Y and Q and the remaining cyclic radicals to be further substituted by non-chromophoric substituents which are customary for whiteners, are suitable for whitening the most diverse synthetic, semi-synthetic and natural organic high-molecular materials.

    摘要翻译: 其中X和Y表示氢,卤素,烷基,芳烷基,烯基,羟基,氨基,烷氧基,芳氧基,环烷氧基,芳氧基,烷基巯基,烷基氨基,二烷基氨基,吗啉代,哌啶子基,哌嗪基,吡咯烷子基,酰基氨基 或芳基氨基。 Q表示氢,吡唑-1-基,恶唑-2-基,苯并恶唑-2-基,萘并恶唑-2-基,1,2,4-恶二唑-5-基,1,3,4-恶二唑-2-基, 异恶唑-3-基,异恶唑-5-基,噻唑-2-基,苯并噻唑-2-基,1,3,4-噻二唑-2-基,咪唑-2-基,苯并咪唑-2-基, 1,2,3-三唑-2-基,1,2,3-三唑-4-基,1,2,4-三唑-3-基,1,2,4-三唑-5-基, 3,5-三嗪-2-基,2H-苯并三唑-2-基,2H-萘并三唑-2-基,1,2,3,4-四唑-5-基,1,2,3,4-四唑-2-基, 苯并[b]呋喃-2-基,萘并[2,1-b]呋喃-2-基,苯并[b]噻吩-2-基,萘并[2,1-b] 噻吩-2-基,嘧啶-2-基,吡啶-2-基,喹唑啉-4-基或喹唑啉-2-基,如果n = 0,也可以是萘基,芪-4-基,苯并[b] 呋喃-6-基,二苯并呋喃-3-基,二苯并呋喃-2-基,喹喔啉-5-基,喹唑啉-6-基或2H-苯并三唑-5-基,n表示0,1或2,有可能 对于取代基X,Y和Q,剩余的环状基团进一步被通常用于增白剂的非发色取代基取代,适用于增白 多种合成,半合成和天然有机高分子材料。

    Process for the preparation of substituted
4,4'-diaminostilbene-2,2'-disulphonic acids
    3.
    发明授权
    Process for the preparation of substituted 4,4'-diaminostilbene-2,2'-disulphonic acids 失效
    制备取代的4,4'-二氨基芪-2,2'-二磺酸的方法

    公开(公告)号:US6025490A

    公开(公告)日:2000-02-15

    申请号:US22337

    申请日:1998-02-11

    CPC分类号: C11D3/42 C07D251/68

    摘要: A process for the preparation of compounds of the formula (I) ##STR1## wherein n represents 0-2;M represents H, alkali metal ion or optionally substituted ammonium ion; andX represents anilino, N- or N,N-alkylamino;by reaction of a compound of the formula (IV) ##STR2## with 2 molar equivalents of an amnine of the formula X--H, at a pH of 5-10, optionally in the presence of an acid-trapping agent which differs from X--H, wherein the compound of the formula (IV) is added to an aqueous reaction medium with a temperature of at least 40.degree. C. and the amine of the formula X--H and, optionally, the acid-trapping agent are added to the aqueous reaction medium independently of one another and/or during and/or after the addition of IV. The compounds of the formula I which are outstandingly suitable as optical brighteners.

    摘要翻译: 一种制备式(I)化合物的方法,其中n代表0-2; M表示H,碱金属离子或任选取代的铵离子; X代表苯胺基,N-或N,N-烷基氨基; 通过式(Ⅳ)的化合物与2摩尔当量的式XH的胺在5-10的pH下反应,任选在与XH不同的酸捕获剂存在下,其中化合物 将式(Ⅳ)加至温度至少为40℃的含水反应介质中,将式XH的胺和任选的酸捕获剂彼此独立地加入到水性反应介质中, /或在添加IV期间和/或之后。 式I的化合物非常适合用作荧光增白剂。

    Bis(triarylmethane) compounds
    4.
    发明授权
    Bis(triarylmethane) compounds 失效
    BIS(三氯甲烷)化合物

    公开(公告)号:US5189188A

    公开(公告)日:1993-02-23

    申请号:US607192

    申请日:1990-10-31

    申请人: Udo Eckstein

    发明人: Udo Eckstein

    CPC分类号: C09B11/16 C09B11/04 C09B11/26

    摘要: Compounds of the general formula ##STR1## in which the symbols have the meaning given in the description, are highly suitable as color formers in recording materials based on acid developers. They give deep blue, green-blue, green, violet or red shades which have excellent sublimation and light fastness.

    摘要翻译: 其中符号具有描述中给出的含义的通式“IMAGE”I的化合物在基于酸显影剂的记录材料中非常适合作为成色剂。 它们具有深蓝色,绿蓝色,绿色,紫色或红色色调,具有极好的升华和耐光性。

    Process for preparing substituted 4,4'-diaminostilbene-2,2'-disulphonic
acid salts
    5.
    发明授权
    Process for preparing substituted 4,4'-diaminostilbene-2,2'-disulphonic acid salts 失效
    制备取代的4,4'-二氨基芪-2,2'-二磺酸盐的方法

    公开(公告)号:US6121444A

    公开(公告)日:2000-09-19

    申请号:US230108

    申请日:1999-01-24

    IPC分类号: C07D251/68 D06L3/12

    CPC分类号: C07D251/68 D06L3/1214

    摘要: In the preparation of substituted 4,4'-diaminostilbene-2,2'-disulfonic acid salts a clear increase in the reaction rate may be achieved by carrying out the reaction of the tetrachlorine derivative (III) with the aniline (IV) in the presence of the amine (VI) as acid-absorber.

    摘要翻译: PCT No.PCT / EP96 / 03357 Sec。 371日期1999年1月22日 102(e)1999年1月22日PCT PCT 1996年7月31日PCT公布。 第WO98 / 05653号公报 日期1998年2月12日在制备取代的4,4'-二氨基芪-2,2'-二磺酸盐中,通过进行四氯化锑衍生物(III)与苯胺的反应可以实现反应速率的明显增加 (Ⅳ)在作为酸吸收剂的胺(Ⅵ)存在下进行。

    Water-insoluble azolystyryl optical brighteners
    6.
    发明授权
    Water-insoluble azolystyryl optical brighteners 失效
    水不溶性聚苯吡喃荧光增白剂

    公开(公告)号:US4510311A

    公开(公告)日:1985-04-09

    申请号:US458085

    申请日:1983-01-14

    申请人: Udo Eckstein

    发明人: Udo Eckstein

    摘要: The invention relates to compounds of the formula ##STR1## or isomeric mixtures thereof, wherein A represents a quasiaromatic heterocyclic radical,B represents a radical of the formulae ##STR2## n represents 0, 1, 2 or 3, preferably 0-2, R.sub.1 represents hydrogen, CN, R or acyl,R.sub.2 represents hydrogen, halogen, --OR, --NHR, --N(R').sub.2 or NHCOR,R' represents alkyl andR represents R', alkenyl, aralkyl, cycloakyl or aryl.They are valuable optical brighteners and/or laser dyes and some of them are intermediate products for preparing these end products.

    摘要翻译: 本发明涉及式(I)的化合物或其异构体混合物,其中A表示杂芳族杂环基,B表示式的基团,其中n表示0,1或2或 3,优选0-2,R 1表示氢,CN,R或酰基,R 2表示氢,卤素,-OR,-NHR,-N(R')2或NHCOR,R'表示烷基,R表示R' ,芳烷基,环烷基或芳基。 它们是有价值的荧光增白剂和/或激光染料,其中一些是制备这些最终产品的中间产品。

    Fluorescent dyestuffs
    8.
    发明授权
    Fluorescent dyestuffs 失效
    荧光染料

    公开(公告)号:US4166176A

    公开(公告)日:1979-08-28

    申请号:US888237

    申请日:1978-03-20

    CPC分类号: C07D251/18 C07D251/20

    摘要: The compounds of the formula ##STR1## WHEREIN X and Y denote halogen, hydroxyl, amino, alkoxy, aralkyloxy, cycloalkoxy, aryloxy, alkylmercapto, arylmercapto, alkylamino, dialkylamino, morpholino, piperidino, piperazino, pyrrolidino, acylamino, arylamino or alkyl,N denotes 0, 1 or 2 andQ denotes hydrogen, pyrazol-1-yl, oxazol-2-yl, benzoxazol-2-yl, naphthoxazol-2-yl, 1,2,4-oxadiazol-5-yl, 1,3,4-oxadiazol-2-yl, isoxazol-3-yl, isoxazol-5-yl, thiazol-2-yl, benzthiazol-2-yl, 1,3,4-thiadiazol-2-yl, imidazol-2-yl, benzimidazol-2-yl, 1,2,3-triazol-2-yl, 1,2,3-triazol-4-yl, 1,2,4-triazol-3-yl, 1,2,4-triazol-5-yl, 2 H-benzotriazol-2-yl, 2 H-naphthotriazol-2-yl, benzo[b]-furan-2-yl, naphtho[2,1-b]-furan-2-yl, benzo[b]-thiophen-2-yl, naphtho[2,1-b]-thiophen-2-yl, pyrimidin-2-yl, pyrridin-2-yl, quinazolin-4-yl or quinazolin-2-yl, if n is 1 or 2, or denotes naphthyl-, stilben-4-yl-, benzo[b]-furan-6-yl, dibenzofuran-3-yl-, dibenzofuran-2-yl, quinoxalin-6-yl-, quinazolin-6-yl- or 2 H-benzotriazol-5-yl, if n is 0,It being possible for the cyclic and non-cyclic radicals to carry the non-chromophoric substituents customary for whiteners are suitable for whitening organic materials.

    Highly concentrated stable solutions of color-forming agent: for
pressure-sensitive recording materials
    10.
    发明授权
    Highly concentrated stable solutions of color-forming agent: for pressure-sensitive recording materials 失效
    高浓度稳定的成色剂溶液:用于压敏记录材料

    公开(公告)号:US4923641A

    公开(公告)日:1990-05-08

    申请号:US247125

    申请日:1988-09-20

    CPC分类号: B41M5/1655 B41M5/1366

    摘要: Highly concentrated stable solutions of color-forming agents of the general formula ##STR1## wherein x denotes hydroxyl, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy, alkylamino, dialkylamino, acylamino, aralkylamino or arylamino andR denotes alkyl, alkenyl or aralkyl,further isocyclic or heterocyclic rings can be fused onto the rings A, B, C and D and the cyclic and acyclic radicals and the rings A, B, C and D can carry further non-ionic substituents which are customary in dyestuff chemistry, or mixtures thereof, in water-insoluble organic solvents from the group comprising optionally chlorinated hydrocarbons, vegetable oils and phthalic acid esters are used for the preparation of pressure-sensitive recording materials.