CH116083A - Process for the production of an indigoid dye of the anthracene series. - Google Patents

Process for the production of an indigoid dye of the anthracene series.

Info

Publication number
CH116083A
CH116083A CH116083DA CH116083A CH 116083 A CH116083 A CH 116083A CH 116083D A CH116083D A CH 116083DA CH 116083 A CH116083 A CH 116083A
Authority
CH
Switzerland
Prior art keywords
production
anthracene series
indigoid dye
dye
indigoid
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 CH116083A publication Critical patent/CH116083A/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
    • C09B7/00—Indigoid dyes
    • C09B7/10—Bis-thionapthene indigos

Landscapes

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

Description

  

      Verfahren    zur Herstellung eines     indigoiden    Farbstoffes der     Anthracenreilie..       Es wurde gefunden, dass man     einen        in-          digoiden    Farbstoff der     Anthracenreihe    erhält,  wenn man ein     Anil    des     2,3-Anthrachinon-          thioisatins    mit     Ox;ythionaphthenkarbonsäure     kondensiert.

   Der Farbstoff bildet ein violett  schwarzes Pulver, das sich in Schwefelsäure  mit grüner Farbe löst und eine schwarz  braune     Küpe    gibt, aus welcher Baumwolle       heliotrop    gefärbt wird.         Beispiel     20,5 Teile des     p-Dim,ethylaminoanils    des       2,3-Antlirachinonthioisatins    werden mit 10  Teilen     Oxythionaphthenkarbonsäure    und 500  Teilen     Pyridin    oder     Trichlorbenzol    zwei  Stunden unter     Rückfluss    gekocht. Der aus  geschiedene Farbstoff wird abgesaugt, ge  waschen und getrocknet.  



  Die Reaktion verläuft nach folgender  Gleichung:  
EMI0001.0021     




      Process for the production of an indigoid dye of the anthracene series. It has been found that an indigoid dye of the anthracene series is obtained if an anil of 2,3-anthraquinone thioisatin is condensed with oxythionaphthenecarboxylic acid.

   The dye forms a purple black powder that dissolves in sulfuric acid with a green color and gives a black-brown vat from which cotton is heliotrope dyed. EXAMPLE 20.5 parts of the p-dim, ethylaminoanil of 2,3-antlirachinonthioisatins are refluxed for two hours with 10 parts of oxythionaphthenecarboxylic acid and 500 parts of pyridine or trichlorobenzene. The separated dye is filtered off, washed and dried.



  The reaction proceeds according to the following equation:
EMI0001.0021

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines indigoi- den Farbstoffes der Anthracenreihe von der Formel: EMI0001.0025 dadurch gekennzeichnet, dass man ein Anil des 2,3- Anthrachinonthioisatins mit Oxy- thionaphthenkarbonsäure kondensiert. Der Farbstoff bildet ein violettschwarzes Pulver; das sich in Schwefelsäure mit grüner Farbe löst und eine schwarzbraune Küpe gibt, aus welcher Baumwolle heliotrop gefärbt wird. PATENT CLAIM: Process for the production of an indigoid dye of the anthracene series of the formula: EMI0001.0025 characterized in that an anil of 2,3-anthraquinone thioisatin is condensed with oxythionaphthene carboxylic acid. The dye forms a purple-black powder; which dissolves in sulfuric acid with a green color and gives a black-brown vat from which cotton is heliotrope dyed.
CH116083D 1923-01-24 1924-06-21 Process for the production of an indigoid dye of the anthracene series. CH116083A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH103649T 1923-01-24
CH116083T 1924-06-21

Publications (1)

Publication Number Publication Date
CH116083A true CH116083A (en) 1926-08-02

Family

ID=25706538

Family Applications (1)

Application Number Title Priority Date Filing Date
CH116083D CH116083A (en) 1923-01-24 1924-06-21 Process for the production of an indigoid dye of the anthracene series.

Country Status (1)

Country Link
CH (1) CH116083A (en)

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