CH209573A - Process for the preparation of a dye of the anthraquinone series. - Google Patents

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

Info

Publication number
CH209573A
CH209573A CH209573DA CH209573A CH 209573 A CH209573 A CH 209573A CH 209573D A CH209573D A CH 209573DA CH 209573 A CH209573 A CH 209573A
Authority
CH
Switzerland
Prior art keywords
dye
red
anthraquinone series
mol
preparation
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH209573A publication Critical patent/CH209573A/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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/48—Anthrimides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Zusatzpatent zum     Haupeatent        Nr.   <B>206728.</B>    Verfahren zur Herstellung eines     Farbstoffes    der     Anthrachinonreihe.       Vorliegende Erfindung betrifft ein Ver  fahren zur Herstellung eines neuen     Küpen-          farbstoffes    der     Anthrachinonreihe.    Das Ver  fahren ist dadurch gekennzeichnet,     dass    man<B>1</B>       Mol        1.5-Dibenzoylamitio-B.7-dihalogenanthra-          chinon    mit 2     Mol        1-Aminoanthrachiiion    um  setzt.

   Die Umsetzung führt man vorteilhaft  in Gegenwart eines alkalischen Mittels wie  beispielsweise     Natriumearbonat,    sowie zweck  mässig in Gegenwart eines Kupfersalzes und  eines hochsiedenden Lösungsmittels wie     Nitro-          benzol    durch.  



  Der erhaltene Farbstoff stellt ein dunkel  rotes Pulver dar, das sich in konzentrierter  Schwefelsäure mit grüner Farbe löst. Die  Lösungsfarbe schlägt nach kurzer Zeit in  Blau um. Der neue Farbstoff färbt aus rot  brauner     Küpe    Baumwolle mit roter Farbe an.  Die Färbungen sind vorzüglich chlor- und  lichtecht.  



  <I>Beispiel:</I>  <B>15</B> Gewichtsteile     1.5-Dibenzoylamino-3.7-          dibromanthrachinon    werden mit 20 Gewichts-    teilen     1-Aminoanthrachinon,    20 Gewichts  teilen     Natriumearbonat,   <B>0,5</B> Gewichtsteilen       Kupferacetat    und 200 Gewichtsteilen Nitro  benzol 20 Stunden lang unter Rühren zum  Sieden erhitzt. Der Farbstoff wird bei<B>500</B>  abgesaugt, mit Nitrobenzol und Alkohol ge  waschen und mit Wasser ausgekocht. Er  stellt ein dunkelrotes Pulver dar, welches  sich in konzentrierter Schwefelsäure mit grü  ner Farbe löst. Die Lösungsfarbe schlägt  nach kurzer Zeit in Blau um. Der Farbstoff,  färbt aus rotbrauner     Küpe    Baumwolle mit  roter Farbe an.

   Die Färbung ist vorzüglich       ohlor-    und lichtecht.



  Additional patent to the main patent no. <B> 206728. </B> Process for the production of a dye of the anthraquinone series. The present invention relates to a process for the production of a new vat dye of the anthraquinone series. The process is characterized in that 1 mol of 1,5-dibenzoylamitio-B.7-dihaloanthraquinone is reacted with 2 mol of 1-aminoanthraquinone.

   The reaction is advantageously carried out in the presence of an alkaline agent such as, for example, sodium carbonate, and expediently in the presence of a copper salt and a high-boiling solvent such as nitrobenzene.



  The dye obtained is a dark red powder that dissolves in concentrated sulfuric acid with a green color. The solution color changes to blue after a short time. The new dye stains cotton from a red-brown vat with a red color. The dyeings are excellent chlorine and lightfast.



  <I> Example: </I> <B> 15 </B> parts by weight of 1,5-dibenzoylamino-3.7-dibromoanthraquinone become 20 parts by weight of 1-aminoanthraquinone, 20 parts by weight of sodium carbonate, <B> 0.5 </B> Parts by weight of copper acetate and 200 parts by weight of nitro benzene heated to boiling for 20 hours with stirring. The dye is sucked off at <B> 500 </B>, washed with nitrobenzene and alcohol and boiled with water. It is a dark red powder that dissolves in concentrated sulfuric acid with a green color. The solution color changes to blue after a short time. The dye, from the red-brown vat, stains cotton with red color.

   The coloration is extremely resistant to chlorine and light.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Farb stoffes der Anthrachinonreihe, dadurch ge kennzeichnet, dass man<B>1</B> Mol 1.5-Dibenzoyl- amino-3.7-clihalogenanthrachinon mit 2 Mol 1-Aminoanthrachinon umsetzt. Der Farbstoff stellt ein dunkelrotes Pul ver dar, welches sich in konzentrierter Schwe- felsäure mit grüner Farbe löst. Die Lösungs farbe schlägt nach kurzer Zeit in Blau um. Der Farbstoff färbt aus rotbrauner Küpe Baumwolle mit roter Farbe an. Claim: Process for the production of a dye of the anthraquinone series, characterized in that <B> 1 </B> mol of 1,5-dibenzoylamino-3.7-clihalogenanthraquinone is reacted with 2 mol of 1-aminoanthraquinone. The dye is a dark red powder that dissolves in concentrated sulfuric acid with a green color. The solution color changes to blue after a short time. The dye stains cotton from a red-brown vat with red color. UNTERANSPRüCHE: <B>1.</B> Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man die Umsetzung in Gegenwart eines hochsiedenden Lö sungsmittels durchführt. 2. Verfahren nach Patentanspruch und Un teranspruch<B>1,</B> dadurch gekennzeichnet, dass man als Lösungsmittel Nitrobenzol verwendet. <B>3.</B> Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man die Umsetzung in Gegenwart einer alkalisch reagierenden Substanz durchführt. SUBClaims: <B> 1. </B> Process according to claim, characterized in that the reaction is carried out in the presence of a high-boiling solvent. 2. The method according to claim and sub-claim <B> 1 </B>, characterized in that the solvent used is nitrobenzene. <B> 3. </B> Process according to patent claim, characterized in that the reaction is carried out in the presence of an alkaline substance.
CH209573D 1937-06-25 1938-06-21 Process for the preparation of a dye of the anthraquinone series. CH209573A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE209573X 1937-06-25
CH206728T 1938-06-21

Publications (1)

Publication Number Publication Date
CH209573A true CH209573A (en) 1940-04-15

Family

ID=25724347

Family Applications (1)

Application Number Title Priority Date Filing Date
CH209573D CH209573A (en) 1937-06-25 1938-06-21 Process for the preparation of a dye of the anthraquinone series.

Country Status (1)

Country Link
CH (1) CH209573A (en)

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