CH209548A - 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
CH209548A
CH209548A CH209548DA CH209548A CH 209548 A CH209548 A CH 209548A CH 209548D A CH209548D A CH 209548DA CH 209548 A CH209548 A CH 209548A
Authority
CH
Switzerland
Prior art keywords
dye
preparation
azo dye
new derivative
dianotated
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 CH209548A publication Critical patent/CH209548A/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     Disazofarbstoffes,    der erhalten wird  durch Vereinigen eines Moleküls     1-Methoxy-          2-aminobenzol    mit 1     Mol    des dianotierten       Monoazofarbstoffes    aus dianotierter     2-Amino-          naphthalin-4.8-disulfonsäure    und     1-Methoxy-          2-aminobenzol,

      mit 2     Mol        Benzoylchlorid    in  Gegenwart einer tertiären Base behandelt.  



  Der neue Farbstoff stellt ein gelbbraunes  Pulver dar und färbt Baumwolle in orangen  Tönen an.  



  <I>Beispiel:</I>  1 Teil des     Disazofarbstoffes,    der erhalten  wird durch Vereinigen von     1-Methoxy-2-amino-          benzol    mit dem dianotierten     Monoazofarbstoff     aus dianotierter     2-Aminonaphtbalin-4.8-disul-          fonsäure    und     1-Methoxy-2-aminobenzol,    wird  in 5 Teilen     Pyridin    suspendiert und bei 40    mit 0,8 Teilen     Benzoylchlorid    versetzt. Man  erwärmt allmählich auf 90<B>0</B> und hält diese    Temperatur     112    Stunden. Nach dieser Zeit  wird das     Dibenzoylprodukt    abgeschieden und  getrocknet.



  <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 mole of the disazo dye obtained by combining one molecule of 1-methoxy-2-aminobenzene with 1 mole of the dianotated monoazo dye from dianotated 2-amino-naphthalene-4.8- disulfonic acid and 1-methoxy-2-aminobenzene,

      treated with 2 moles of benzoyl chloride in the presence of a tertiary base.



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



  <I> Example: </I> 1 part of the disazo dye which is obtained by combining 1-methoxy-2-aminobenzene with the dianotated monoazo dye from dianotated 2-aminonaphthalene-4,8-disulfonic acid and 1-methoxy-2 -aminobenzene, is suspended in 5 parts of pyridine and treated at 40 with 0.8 parts of benzoyl chloride. The temperature is gradually increased to 90 ° and this temperature is maintained for 112 hours. After this time, the dibenzoyl product is deposited and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Derivates eines Azofarbstoffes, dadurch ge kennzeichnet, dass man 1 Mol des Disazo- farbstoffes, der erhalten wird durch Vereinigen eines Moleküls 1-Methoxy-2-aminobenzol mit 1 112o1 des dianotierten Monoazofarbstoffes aus dianotierter 2-Aminonaphthalin-4.8-disulfon- säure und 1-Methoxy-2-aminobenzol, Claim: Process for the preparation of a new derivative of an azo dye, characterized in that 1 mol of the disazo dye, which is obtained by combining a molecule of 1-methoxy-2-aminobenzene with 1 112o1 of the dianotated monoazo dye from dianotated 2-aminonaphthalene 4.8-disulfonic acid and 1-methoxy-2-aminobenzene, mit 2 Mol Benzoylchlorid in Gegenwart einer tertiären Base acyliert. Der neue Farbstoff stellt ein gelbbraunes Pulver dar und färbt Baumwolle in echten orangen Tönen an. acylated with 2 moles of benzoyl chloride in the presence of a tertiary base. The new dye is a yellow-brown powder and dyes cotton in real orange tones.
CH209548D 1937-01-26 1937-01-26 Process for the preparation of a new derivative of an azo dye. CH209548A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH209548T 1937-01-26
CH205164T 1939-02-01

Publications (1)

Publication Number Publication Date
CH209548A true CH209548A (en) 1940-04-15

Family

ID=25724135

Family Applications (1)

Application Number Title Priority Date Filing Date
CH209548D CH209548A (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) CH209548A (en)

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