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CH289589A - Process for the preparation of a polyazo dye. - Google Patents

Process for the preparation of a polyazo dye.

Info

Publication number
CH289589A
CH289589A CH289589DA CH289589A CH 289589 A CH289589 A CH 289589A CH 289589D A CH289589D A CH 289589DA CH 289589 A CH289589 A CH 289589A
Authority
CH
Switzerland
Prior art keywords
dye
amino
mole
preparation
mol
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Sandoz
Original Assignee
Ag 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 Ag Sandoz filed Critical Ag Sandoz
Publication of CH289589A publication Critical patent/CH289589A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/50—Tetrazo dyes
    • C09B35/58—Tetrazo dyes of the type

Landscapes

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

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 284077.    Verfahren     zur        Herstellung    eines     Polyazofarbstoffes.       Gegenstand des vorliegenden Patentes ist  ein Verfahren zur Herstellung eines     Polyazo-          farbstoffes,    welches dadurch gekennzeichnet  ist, dass man die durch     Tetrazotieren    von  1.

       Mol.        1.-Amino-4-(4'-aminobenzoyl.)-aminoben-          zol    und Kuppeln mit 1     Mol        1-Oxybenzol-2-car-          lfotisäure    erhältliche Zwischenverbindung mit       l        Mol        1-Amino-2-methoxy-5-N-acetylaminoben-          zol        kuppelt,-die    erhaltene Zwischenverbindung  dianotiert und die     Diazo-disazoverbindung    mit  1.

       Mol    der     Kupferkomplexverbindung    des       Ionoazofa.rbstoffes    der     Zusammensetzung     
EMI0001.0024     
         kuppelt.     <I>Beispiel,:

  </I>  Die     Tetrazoverbindung    aus 22,7 Teilen     1-          Amino-4-(4'-aminobenzoyl)-aminobenzol    wird  in üblicher Weise zuerst in     sodaalkalischer     Lösung mit     113,8        Teilen        1-Oxybeiizol-2-earbon-          sättre    und anschliessend in essigsaurer Lösung  mit 18 Teilen     1-Amino-2-methoxy-5-N-acetyl-          aminobenzol    gekuppelt.

   Die     Zwischenverbin-          clung    wird dianotiert und die     Diazo-disazover-          bindung    in 50 %     iger    wässriger     Pyridinlösung          init    der in üblicher Weise hergestellten     Kup-          ferkomplexverbindung    aus 46,8 Teilen des       Monoazofarbstoffes    der     Zusammensetzung     
EMI0001.0047     
    gekuppelt.

   Der gebildete neue     Tetrakisa7o-          farbstoff    wird vom     Pyridin    getrennt und  durch     Umlösen    gereinigt.  



  Er bildet ein dunkles Pulver, das sich in  Wasser mit     gelbstichig    brauner, in konzen  trierter Schwefelsäure mit     rotstichig    brauner  Farbe löst und Baumwolle und Fasern aus  regenerierter     Cellulose    in lichtechten     braun-          stichigen        Kkakitönen    färbt, die durch     Nach-          behandeln.    mit Salzen des zweiwertigen Kup  fers, besonders in Gegenwart von     Imino-    oder       Aminogruppen    enthaltenden polymeren Sub  stanzen, wie sie z.

   B. in den Schweizer Pa  tentschriften     Nrn.    253709, 261048, 263481 und  263482 beschrieben sind, in ihren     Echtheiten     verbessert werden.



      Additional patent to main patent No. 284077. Process for the production of a polyazo dye. The subject of the present patent is a process for the preparation of a polyazo dye, which is characterized in that the tetrazotization of 1.

       Mol. 1.-Amino-4- (4'-aminobenzoyl.) - aminobenzene and coupling with 1 mole of 1-oxybenzene-2-car lfotic acid with 1 mole of 1-amino-2-methoxy-5-N -acetylaminoben- zol couples, -dianotates the intermediate compound obtained and the diazo-disazo compound with 1.

       Moles of the copper complex compound of the ionoazofa dye of the composition
EMI0001.0024
         clutch. <I> Example:

  </I> The tetrazo compound from 22.7 parts of 1- amino-4- (4'-aminobenzoyl) -aminobenzene is saturate in the usual way first in a soda-alkaline solution with 113.8 parts of 1-oxybeiizole-2-earbon and then in acetic acid solution coupled with 18 parts of 1-amino-2-methoxy-5-N-acetyl-aminobenzene.

   The intermediate compound is dianotized and the diazo-disazo compound in 50% aqueous pyridine solution with the conventionally prepared copper complex compound from 46.8 parts of the monoazo dye of the composition
EMI0001.0047
    coupled.

   The new tetrakisa7o dye formed is separated from the pyridine and purified by dissolving.



  It forms a dark powder that dissolves in water with a yellowish brown color, in concentrated sulfuric acid with a reddish brown color and colors cotton and fibers made from regenerated cellulose in lightfast brownish kkaki tones, which are treated afterwards. with salts of divalent Kup fers, especially in the presence of imino or amino group-containing polymeric substances, as they are, for.

   B. in the Swiss Pa tentschriften Nos. 253709, 261048, 263481 and 263482 are described, are improved in their fastness properties.

Claims (1)

PATENTANSPRUCH Verfahren zur Herstellung eines Polyazo- farbstoffes, dadurch gekennzeichnet, dass man die durch Tetrazotieren von 1 Mol 1-Amino-4- (4'-aminobenzoyl)-aminobenzol und Kuppeln mit 1 Mol 1-Oxybenzol-2-carbonsäure erhält liche Zwischenverbindung mit 1 Mol 1-Amino- 2-methoxy-5-N-acetylaminobenzol kuppelt, PATENT CLAIM Process for the preparation of a polyazo dye, characterized in that the intermediate compound obtained by tetrazotizing 1 mole of 1-amino-4- (4'-aminobenzoyl) -aminobenzene and coupling with 1 mole of 1-oxybenzene-2-carboxylic acid is obtained with 1 mol of 1-amino-2-methoxy-5-N-acetylaminobenzene couples, die erhaltene Zwischenverbindung dianotiert und die Diazo-disazoverbindung mit 1 Mol der Kupferkomplexverbindung des Monoazofarb- stoffes der Zusammensetzung EMI0002.0005 kuppelt. the intermediate compound obtained is dianotized and the diazo-disazo compound with 1 mol of the copper complex compound of the monoazo dye of the composition EMI0002.0005 clutch. Der neue Farbstoff ist ein dunkles Pulver, das sieh in Wasser mit gelbstiehig brauner, in konzentrierter Sehwefels'äure mit rotstiehig brauner Farbe löst und Baumwolle und Fa sern aus regenerierter Cellulose in lichteeliten braunstiehigen Khakitönen färbt, die dureh Nachbehandeln mit. Salzen des zweiwertigen Kupfers in ihren Eehtheiten verbessert wer den. The new dye is a dark powder that dissolves in water with yellowish brown, in concentrated sulfuric acid with reddish brown color and colors cotton and fibers from regenerated cellulose in light-colored brownish khaki tones, which are treated with after-treatment. Salts of the bivalent copper are improved in their integrity.
CH289589D 1950-06-21 1950-06-21 Process for the preparation of a polyazo dye. CH289589A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH289589T 1950-06-21
CH284077T 1952-06-26

Publications (1)

Publication Number Publication Date
CH289589A true CH289589A (en) 1953-03-15

Family

ID=25732381

Family Applications (1)

Application Number Title Priority Date Filing Date
CH289589D CH289589A (en) 1950-06-21 1950-06-21 Process for the preparation of a polyazo dye.

Country Status (1)

Country Link
CH (1) CH289589A (en)

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