Fluorescent dyestuffs, processes for their preparation and their use as
laser dyestuffs
    42.
    发明授权
    Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs 失效
    荧光染料,其制备方法及其作为激光染料的用途

    公开(公告)号:US4551265A

    公开(公告)日:1985-11-05

    申请号:US335986

    申请日:1981-12-30

    CPC classification number: H01S3/213 C09B57/00 C09K11/06

    Abstract: Fluorescent dyestuffs of the general formula ##STR1## wherein R and R.sup.1 independently of one another represent hydrogen, a salt-forming cation, an alkyl radical with 1 to 16 C atoms or an aryl or aralkyl radical which is optionally substituted by non-chromophoric groups,R.sup.2 to R.sup.5 independently of one another represent hydrogen, alkyl, trifluoromethyl, alkoxy, aralkoxy, alkenoxy, aryloxy, halogen or a carboxyl, cyano, alkyl sulphone, aryl sulphone, aralkyl sulphone, carboxamide, sulphonamide or carboxylic acid ester group,o, p, q and s independently of one another represent 1 or 2 andm and n independently of one another denote 0, 1 or 2, it being possible for the sum of m and n to be 2 to 4,processes for their preparation and their use as laser dyestuffs.

    Abstract translation: 其中R和R 1彼此独立地表示氢,成盐阳离子,具有1至16个碳原子的烷基或任选被非发色基团取代的芳基或芳烷基的通式为“IMAGE”的荧光染料 R 2至R 5彼此独立地表示氢,烷基,三氟甲基,烷氧基,芳烷氧基,烯氧基,芳氧基,卤素或羧基,氰基,烷基砜,芳基砜,芳烷基砜,甲酰胺,磺酰胺或羧酸酯基, p,q和s彼此独立地表示1或2,m和n彼此独立地表示0,1或2,m和n的和可能为2至4,其制备方法及其制备方法 用作激光染料。

    Process for the preparation of cationic dyestuffs
    45.
    发明授权
    Process for the preparation of cationic dyestuffs 失效
    阳离子染料的制备方法

    公开(公告)号:US4281112A

    公开(公告)日:1981-07-28

    申请号:US169582

    申请日:1980-07-17

    CPC classification number: C09B44/005 C09B26/04

    Abstract: The preparation of hydrazone dyestuffs of the formula ##STR1## wherein R.sup.13 and R.sup.14 independently of one another represent hydrogen, C.sub.1 -- to C.sub.4 --alkyl, C.sub.1-- to C.sub.4-- alkoxy or halogen, in particular chlorine or bromine, andA.sup.- denotes an anionic radical,by reacting azo bases of the general formula ##STR2## wherein R.sup.13 and R.sup.14 have the above mentioned meaning andR.sup.15 represents hydrogen or the methyl group, with dimethyl sulphate in a mixture of water and an organic solvent and in the presence of an acid-binding agent, is characterized in that (a) aromatic or aliphatic chlorinated hydrocarbons are used as the organic solvents, (b) the reaction is carried out at a temperature of 10.degree.-60.degree. C., (c) a 5-90% excess of dimethyl sulphate is employed and (d) the reaction is allowed to proceed at a pH of 5-10.

    Abstract translation: 其中R 13和R 14彼此独立地表示氢,C 1至C 4 - 烷基,C 1至C 4 - 烷氧基或卤素,特别是氯或溴的式腙染料的制备,A - 表示阴离子 其中R 1和R 14具有上述含义并且R 15表示氢或甲基的偶氮碱与水和有机溶剂的混合物中的硫酸二甲酯反应, 其特征在于使用(a)芳族或脂族氯代烃作为有机溶剂,(b)反应在10〜60℃进行,(c)5-90 使用过量的过硫酸二甲酯,(d)使反应在5-10℃的pH下进行。

    Tri-phenyl methyl color-forming agents
    48.
    发明授权
    Tri-phenyl methyl color-forming agents 失效
    三苯基甲基成色剂

    公开(公告)号:US4897223A

    公开(公告)日:1990-01-30

    申请号:US162531

    申请日:1988-03-01

    Abstract: Color-forming agents of the general formula ##STR1## wherein X denotes hydroxyl, alkoxy, alkenyloxy, aralkoxy, cycloalkoxy, aryloxy, acyloxy, alkoxycarbonyloxy, alkylamino, dialkylamino, acylamino, aralkylamino or arylamino,Q denotes cyano, alkoxycarbonyl, aryloxycarbonyl, aralkoxycarbonyl, carbamoyl, N-alkylcarbamoyl, N,N-dialkylcarbamoyl, N-alkyl-N-aryl-carbamoyl, acyl, alkoxysulphonyl, aralkoxysulphonyl, sulphamoyl, N-alkylsulphamoyl, N,N-dialkylsulphamoyl, alkylsulphonyl, arylsulphonyl or aralkylsulphonyl andR denotes alkyl, alkenyl or aralkyl,further isocyclic or heterocyclic rings can be fused on to the rings A, B, C and D, and the cyclic and acyclic radicals and the rings A, B, C and D can carry further substituents, are used for the preparation of pressure-sensitive recording materials.

    Abstract translation: 通式为(I)的成色剂,其中X表示羟基,烷氧基,烯氧基,芳烷氧基,环烷氧基,芳氧基,酰氧基,烷氧基羰基氧基,烷基氨基,二烷基氨基,酰氨基,芳烷基氨基或芳氨基,Q表示氰基,烷氧基羰基, ,芳烷氧基羰基,氨基甲酰基,N-烷基氨基甲酰基,N,N-二烷基氨基甲酰基,N-烷基-N-芳基 - 氨基甲酰基,酰基,烷氧基磺酰基,芳烷基磺酰基,氨磺酰基,N-烷基氨磺酰基,N,N-二烷基氨磺酰基,烷基磺酰基,芳基磺酰基或芳烷基磺酰基和R 表示烷基,烯基或芳烷基,进一步的环或杂环可以稠合在环A,B,C和D上,并且环和无环基和环A,B,C和D可以携带另外的取代基 用于制备压敏记录材料。

    Process for preparing cationic hydrazone dyestuffs
    49.
    发明授权
    Process for preparing cationic hydrazone dyestuffs 失效
    制备阳离子腙染料的方法

    公开(公告)号:US4760132A

    公开(公告)日:1988-07-26

    申请号:US942467

    申请日:1986-12-16

    CPC classification number: C09B26/04

    Abstract: Cationic hydrazone dyestuffs of the general formula ##STR1## in which R.sub.1 stands for hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, nitro or halogen,R.sub.2 stands for hydrogen, C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, halogen or phenylazo,R.sub.3 stands for C.sub.1 - to C.sub.3 -alkyl andA.sup.- stands for an anion,are prepared by quaternarizing azo bases of the general formula ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 have the abovementioned meaning, with dialkyl sulphates of the general formula(R.sub.3 --O).sub.2 SO.sub.2 IIIin whichR.sub.3 has the abovementioned meaning,in the presence of water and alkali metal sulphate or alkaline earth metal sulphate and, where appropriate, by replacing the alkylsulphate anion by another anion.

    Abstract translation: R 1代表氢,C 1 -C 4 - 烷基,C 1至C 4 - 烷氧基,硝基或卤素的通式为“IMAGE”I的阳离子腙染料,R2代表氢,C1-至C4-烷基,C1- C4烷氧基,卤素或苯偶氮,R3代表C1-至C3-烷基,A-代表阴离子,通过季铵化通式为其中R1,R2和R3具有上述含义的偶氮碱制备, 具有通式(R 3 -O)2 SO 2 III的二烷基硫酸盐,其中R 3具有上述含义,在水和碱金属硫酸盐或碱土金属硫酸盐的存在下,并且在适当的情况下,通过用另一种阴离子替代烷基硫酸盐阴离子。

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