CH236391A - Process for the preparation of a new acid dye of the anthraquinone series. - Google Patents

Process for the preparation of a new acid dye of the anthraquinone series.

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Publication number
CH236391A
CH236391A CH236391DA CH236391A CH 236391 A CH236391 A CH 236391A CH 236391D A CH236391D A CH 236391DA CH 236391 A CH236391 A CH 236391A
Authority
CH
Switzerland
Prior art keywords
preparation
dye
anthraquinone series
acid dye
new acid
Prior art date
Application number
Other languages
French (fr)
Inventor
Sa Sandoz
Original Assignee
Sa Sandoz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sa Sandoz filed Critical Sa Sandoz
Publication of CH236391A publication Critical patent/CH236391A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16Amino-anthraquinones
    • C09B1/20Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/32Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
    • C09B1/34Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated
    • C09B1/343Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated only sulfonated in the anthracene nucleus

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

  

  Procédé de préparation d'un nouveau colorant acide de la série     anthraquinonique.       On sait que certains colorants acides de  la série     anthraquinonique,    comprenant     un       reste d'amine aromatique représenté par la  formule générale  
EMI0001.0004     
    où Hal.

   représente un atome de     BTO.me    ou  de Chlore, présentent l'intéressante     propriété     d'avoir une nuance beaucoup plus rougeâtre  que les isomères     p-halogénés,    par exemple, si    bien que -dans     eertains        cas.,    au lieu de     bleus,     on obtient des violets très     précieux    (voir  brevet allemand No 515055).  



  On sait aussi que les, colorants -de ce       groupe,    répondant à la formule     générale     
EMI0001.0014     
      dans laquelle un des x     représente    un groupe       sulfonique,    l'autre étant un hydrogène, sont  des     bleus-rougeâtres    qui, malheureusement,  virent au rouge à la     lumière    artificielle (voir  brevet allemand     Nc    515058, exemple 6).  



  Or, on a trouvé que     les    colorants répon  dant à la formule générale     suivante     
EMI0002.0008     
         dans    laquelle un des y représente un groupe       sulfonique,    l'autre y étant un hydrogène, et  où x représente halogène,     COOH,        alkyl,          COOR,    OH, OR (où R est un reste     alkyl),          présentent    la qualité inattendue d'avoir une  grande stabilité de nuance à la lumière arti  ficielle, permettant leur utilisation     technique     pour la     teinture    et l'impression de fibres,

         textiles,    etc.  



  La préparation de ces colorants peut  s'effectuer par     condensation    en milieu     aqueux     ou organique ou le mélange des deux, entre  50-150 , d'une     1-a-mino-2:4-dihalogéno-          anthraquinone-6    ou -7 sulfonée, avec une  aniline     m-substituée,    répondant à la formule  générale     suivante     
EMI0002.0025     
    où x représente halogène,     COOH,        alkyl,          COOR,    OH, OR (où R est     un    reste     alkyl),

       en présence de cuivre ou d'une de ses combi  naisons et d'un agent liant l'acide     halogéné          qui    se forme, et traitement à chaud du colo  rant     monosulfoné    formé avec un sulfite selon  les méthodes connues.  



  On arrive de même à ces     nouveaux    colo  rants en     condlensant    entre 40 et 120 , en    milieu organique ou aqueux ou le mélange  des deux, une     1-a-mino-4-halo.géno@anthra-qui-          none-?    : 6 ou<B>-2:7</B>     disulfonée,    avec une  aniline     m-substituée,    répondant à la formule  ci-dessus, en. présence d'un catalyseur comme  le cuivre. ou l'une de ses combinaisons, et  d'un agent liant l'acide halogéné qui se forme.  



  Les amines employées pour la prépara  tion des nouveaux colorants sont, par exemple:  la     m-t.oluidine,    la     m-chloraniline,    la     m-brom-          aniline,    l'acide     m-a.minobenzoïque,    la     m-éthyl-          aniline,    la m     méthylcarboxyaniline,    le     m-          aminophénol,    la     m-anisidine,    etc.  



  Les     aminohalogénoanthraquinones    sulfo  nées utilisables pour le présent procédé sont:  les     1-amino-2:4-dibromanthraquinones-6        oii     -7     sulfonées,    ou leur mélange; les     1-amino-          :4-dichlora.nthraquinones-6    ou -7     sulfonées,     ou     leur    mélange; les     1-amino-4-bromanthra-          quinones-2:6    ou     -2:7-disulfonées,    ou leur  mélange;

   les     1-amino-4-chloranth.raqiiinones-          2    :6 ou<B>-2:7</B>     disulfonées,    on leur mélange.  



  L'objet du présent brevet est un procédé  de     préparation    d'un nouveau colorant de la  série     a.nthraquinonique,    selon lequel on con  dense l'acide     1-amino-2,4-dibromanthraqui-          none-6-sulfonique    avec la     m-toluidine    et  traite à chaud le colorant     monosulfoné    ainsi  obtenu avec     un    sulfite.  



  Le nouveau colorant correspond à la  formule  
EMI0002.0072     
    et teint la laine, la soie, les poils, le cuir,  les fibres organiques genre Nylon, en belle  nuance bleue ne virant pas à la lumière  artificielle.  



  <I>Exemple:</I>  On chauffe à 80", pendant 12 heures, en       agitant        ré--:uliér-ement,    10 parties d'1-amino-           2,4-dibro#manthraquinone-6-sulfonate    de po  tassium, 3,2     parties    -de     m-toluidine,    4,8 par  ties de     bicarbonate    -de sodium, 0,2     partie    de  poudre de cuivre, 50 parties d'eau, 15 par  ties     d'alcool.    La masse de la réaction passe  du rouge au bleu.

   La     condensation    terminée,  on sépare le colorant     mcnosulfoné        fommé,    on  le traite à chaud par une solution de sulfite,  par exemple de la manière     suivante:     On chauffe ensemble     entre    100-140'  10 parties de colorant     monosuilfoné,    20 parties  de phénol, 20 parties d'une solution de sul  fite de sodium     35--40    % en poids, jusqu'à     .ce     que le brome se     trouvant    en     position    2     ait    été  remplacé par un groupe     sulfonique.     



  On chasse alors le phénol à la vapeur  d'eau, on filtre la solution du     colorant,disul-          foné    formé; par adjonction de sel, on le pré  cipite puis on le filtre.     Le    nouveau colorant  correspond à la formule  
EMI0003.0022     
    et     teint    la laine, la soie, les poils, le     cuir,          legs        fibres        organiques    genre Nylon, en belle       nuance        bleue    ne virant pas à la lumière       artificielle.  



  Process for the preparation of a new acid dye of the anthraquinone series. It is known that certain acid dyes of the anthraquinone series, comprising an aromatic amine residue represented by the general formula
EMI0001.0004
    where Hal.

   represents an atom of BTO.me or of Chlorine, have the interesting property of having a much more reddish shade than the p-halogenated isomers, for example, so that -in some cases, instead of blues, one obtains very precious violets (see German patent No. 515055).



  It is also known that the dyes of this group, corresponding to the general formula
EMI0001.0014
      in which one of the x's represents a sulfonic group, the other being a hydrogen, are blue-reddish which, unfortunately, turn red in artificial light (see German patent Nc 515058, example 6).



  However, it has been found that the dyes corresponding to the following general formula
EMI0002.0008
         in which one of the y represents a sulphonic group, the other y being a hydrogen, and where x represents halogen, COOH, alkyl, COOR, OH, OR (where R is an alkyl residue), exhibit the unexpected quality of having a high shade stability in artificial light, allowing their technical use for dyeing and printing fibers,

         textiles, etc.



  The preparation of these dyes can be carried out by condensation in aqueous or organic medium or the mixture of the two, between 50-150, of a 1-a-mino-2: 4-dihalo-anthraquinone-6 or -7 sulphonated, with an m-substituted aniline, corresponding to the following general formula
EMI0002.0025
    where x represents halogen, COOH, alkyl, COOR, OH, OR (where R is an alkyl residue),

       in the presence of copper or one of its combinations and of a halogenated acid binding agent which forms, and heat treatment of the monosulfonated dye formed with a sulfite according to known methods.



  The same is achieved with these new dyes by condensing between 40 and 120, in organic or aqueous medium or a mixture of the two, a 1-a-mino-4-halo.géno@anthra-qui- none-? : 6 or <B> -2: 7 </B> disulfonated, with an m-substituted aniline, corresponding to the above formula, in. presence of a catalyst such as copper. or a combination thereof, and a halogenated acid binding agent which forms.



  The amines used for the preparation of the new dyes are, for example: mt.oluidine, m-chloraniline, m-brom-aniline, ma.minobenzoic acid, m-ethyl-aniline, m-methylcarboxyaniline, m-aminophenol, m-anisidine, etc.



  The sulfonated aminohaloanthraquinones which can be used for the present process are: sulfonated 1-amino-2: 4-dibromanthraquinones-6 or -7, or a mixture thereof; sulfonated 1-amino-: 4-dichlora.nthraquinones-6 or -7, or a mixture thereof; 1-amino-4-bromanthraquinones-2: 6 or -2: 7-disulfonated, or a mixture thereof;

   disulfonated 1-amino-4-chloranth.raqiiinones- 2: 6 or <B> -2: 7 </B>, they are mixed.



  The object of the present patent is a process for the preparation of a novel dye of the a.nthraquinonic series, according to which 1-amino-2,4-dibromanthraquinone-6-sulfonic acid is condensed with m- toluidine and heat-treat the monosulfonated dye thus obtained with a sulfite.



  The new dye matches the formula
EMI0002.0072
    and dyes wool, silk, animal hair, leather, nylon-like organic fibers, in a beautiful blue shade that does not fade in artificial light.



  <I> Example: </I> Heated to 80 "for 12 hours, while stirring re -: uliér-ement, 10 parts of 1-amino-2,4-dibro # manthraquinone-6-sulfonate of po potassium, 3.2 parts of m-toluidine, 4.8 parts of sodium bicarbonate, 0.2 part of copper powder, 50 parts of water, 15 parts of alcohol. changes from red to blue.

   When the condensation is complete, the mcnosulfonated dye formed is separated, it is treated with heat with a sulphite solution, for example as follows: The mixture is heated together between 100-140 '10 parts of monosulfonated dye, 20 parts of phenol, 20 parts. 35--40% by weight sodium sulphite solution, until the bromine in position 2 has been replaced by a sulphonic group.



  The phenol is then driven off with water vapor, the solution of the dye, disulfonate formed is filtered; by adding salt, it is precipitated and then filtered. The new dye matches the formula
EMI0003.0022
    and dyes wool, silk, animal hair, leather, organic fibers like Nylon, in a beautiful blue shade that does not fade in artificial light.

 

Claims (1)

REVENDICATION Procédé -de préparation d'un colorant de la série anthraquinonique, selon lequel on condense l'acide 1-amino-2,4-dibromauthra- quinone-,6-isulfonique avec la m-toluidine et traite à chaud le colorant monosulfoné ainsi obtenu avec un sulfite. CLAIM A process for the preparation of an anthraquinone series dye, according to which 1-amino-2,4-dibromauthraquinone-, 6-isulfonic acid is condensed with m-toluidine and the monosulfonated dye is heat treated as such obtained with a sulfite. Le nouveau colorant correspond à la formule EMI0003.0040 et teint la laine; la soie, les poils, le cuir, les fibres organiques genre Nylon, en belle nuance bleue ne virant pas à la lumière artificielle. The new dye matches the formula EMI0003.0040 and dyed wool; silk, hair, leather, organic nylon fibers, in a beautiful blue shade that does not fade in artificial light.
CH236391D 1943-07-16 1943-07-16 Process for the preparation of a new acid dye of the anthraquinone series. CH236391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH236391T 1943-07-16

Publications (1)

Publication Number Publication Date
CH236391A true CH236391A (en) 1945-02-15

Family

ID=4459427

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236391D CH236391A (en) 1943-07-16 1943-07-16 Process for the preparation of a new acid dye of the anthraquinone series.

Country Status (1)

Country Link
CH (1) CH236391A (en)

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