CH209535A - Process for the preparation of a new derivative of an azo dye. - Google Patents

Process for the preparation of a new derivative of an azo dye.

Info

Publication number
CH209535A
CH209535A CH209535DA CH209535A CH 209535 A CH209535 A CH 209535A CH 209535D A CH209535D A CH 209535DA CH 209535 A CH209535 A CH 209535A
Authority
CH
Switzerland
Prior art keywords
amino
preparation
dye
azo dye
mol
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Fuer Chemis Basel
Original Assignee
Chem Ind Basel
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 Chem Ind Basel filed Critical Chem Ind Basel
Publication of CH209535A publication Critical patent/CH209535A/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
    • C09B43/00—Preparation of azo dyes from other azo compounds
    • C09B43/12—Preparation of azo dyes from other azo compounds by acylation of amino groups

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

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 205164.    Verfahren zur Herstellung eines neuen Derivates eines     Azofarbstoffes.       Es wurde gefunden, dass man ein neues  Derivat eines     Azofarbstoffes    erhält, wenn man  1     Mol    des     Tetrakisazofarbatoffes,    der erhalten  wird durch Vereinigen eines Moleküls der       1,3-Diaminobenzol-4-sulfonsäure    mit 1     Mol     des dianotierten     Trisazofarbstoffes    aus diano  tierter     2-Aminonaphthalin-4,8-disulfonsäure     und     1-Amino-3-methylbenzol,

          Weiterdiazotie-          ren    und Vereinigen mit einem zweiten Mole  kül     1-Amino-3-methylbenzol    und Wiederholen  dieser Operation, mit 2     Mol        Benzoylchlorid     in Gegenwart einer tertiären Base     acyliert.     



  Der neue Farbstoff stellt ein braunes Pul  ver dar und färbt Baumwolle in echten braun  orangen Tönen.  



       Beispiel:     1     Mol    des     Tetrakisazofarbstoffes,    der er  halten wird durch Vereinigen der     1,3-Diamino-          benzol-4-sulfonsäure    mit dein dianotierten       Trisazofarbstoff    aus dianotierter     2-Aminonaph-          thalin-4,s.disulfonsäure    und     1.Amino.3.methyl-          benzol,        Weiterdiazotieren    und Vereinigen mit  1     Mol        1-Amino-3-methylbenzol    und Wieder  holen dieser Operation,

   wird in der 10- bis  15fachen     Menge        Pyridin    gelöst und bei 40<B>0</B>    mit 2,5     Mol        Benzoylchlorid    versetzt. Man er  wärmt allmählich auf<B>900</B> und hält diese  Temperatur 1 Stunde. Nach dieser Zeit wird  das     Dibenzoylprodukt    abgeschieden und ge  trocknet.



  <B> Additional patent </B> to main patent no. 205164. Process for the preparation of a new derivative of an azo dye. It has been found that a new derivative of an azo dye is obtained if 1 mol of the tetrakisazo carbate, which is obtained by combining a molecule of 1,3-diaminobenzene-4-sulfonic acid with 1 mol of the dianotated trisazo dye from diano-tated 2-aminonaphthalene 4,8-disulfonic acid and 1-amino-3-methylbenzene,

          Further diazotization and combining with a second mol of 1-amino-3-methylbenzene and repeating this operation, acylated with 2 mol of benzoyl chloride in the presence of a tertiary base.



  The new dye is a brown powder and dyes cotton in real brown-orange tones.



       Example: 1 mole of the tetrakisazo dye that is obtained by combining 1,3-diamino-benzene-4-sulfonic acid with the dianotated trisazo dye from dianotated 2-aminonaphthalene-4, s.disulfonic acid and 1.Amino.3.methyl - benzene, further diazotizing and combining with 1 mol of 1-amino-3-methylbenzene and repeating this operation,

   is dissolved in 10 to 15 times the amount of pyridine and mixed with 2.5 moles of benzoyl chloride at 40 0. It is gradually heated to <B> 900 </B> and held at this temperature for 1 hour. After this time, the dibenzoyl product is deposited and dried ge.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Derivates eines Azofarbstoffes, dadurch ge kennzeichnet, dass man 1 Mol des Tetrakis- azofarbatoffes, der erhalten wird durch Ver einigen eines Moleküls der 1,3-Diaminoben- zol-4-sulfonsäure mit 1 Mol des dianotierten Trisazofarbstoffes aus dianotierter 2-Amino- naphthalin-4,8-disulfonsäure und 1-Amino-3- methylbenzol, Claim: A process for the preparation of a new derivative of an azo dye, characterized in that 1 mol of the tetrakis azofarbate obtained by combining a molecule of 1,3-diaminobenzene-4-sulfonic acid with 1 mol of the dianotated trisazo dye from dianotated 2-amino-naphthalene-4,8-disulfonic acid and 1-amino-3-methylbenzene, Weiterdiazotieren und Vereini gen mit einem zweiten Molekül 1-Amino-3- methylbenzol und Wiederholen dieser Opera tion, mit 2 Mol Benzoylchlorid in Gegenwart einer tertiären Base acyliert. Der neue Farbstoff stellt ein braunes Pul ver dar und färbt Baumwolle in echten braun orangen Tönen. Continue diazotizing and combining with a second molecule of 1-amino-3-methylbenzene and repeating this operation, acylated with 2 moles of benzoyl chloride in the presence of a tertiary base. The new dye is a brown powder and dyes cotton in real brown-orange tones.
CH209535D 1937-01-26 1937-01-26 Process for the preparation of a new derivative of an azo dye. CH209535A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH209535T 1937-01-26
CH205164T 1939-02-01

Publications (1)

Publication Number Publication Date
CH209535A true CH209535A (en) 1940-04-15

Family

ID=25724122

Family Applications (1)

Application Number Title Priority Date Filing Date
CH209535D CH209535A (en) 1937-01-26 1937-01-26 Process for the preparation of a new derivative of an azo dye.

Country Status (1)

Country Link
CH (1) CH209535A (en)

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