CH119146A - Process for the preparation of an anthracene derivative. - Google Patents

Process for the preparation of an anthracene derivative.

Info

Publication number
CH119146A
CH119146A CH119146DA CH119146A CH 119146 A CH119146 A CH 119146A CH 119146D A CH119146D A CH 119146DA CH 119146 A CH119146 A CH 119146A
Authority
CH
Switzerland
Prior art keywords
anthracene
anthracene derivative
carboxylic acid
preparation
acid
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 CH119146A publication Critical patent/CH119146A/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
    • C07C2603/24—Anthracenes; Hydrogenated anthracenes

Landscapes

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

Description

  

  Verfahren zur Herstellung eines     Anthracenderivates.       <B>Es</B> wurde gefunden, dass man ein neues       Anthracenderivat,    die     2,1-Anthracenthiogly-          kolkarbonsäure,    erhält, wenn man die     2,1-          Anthrachinonthioglykolkarbonsäure    mit ge  eigneten Reduktionsmitteln behandelt. Die       ?,1-Anthracenthioglykolkarbonsäure    bildet  ein hellgelbes Pulver, sie löst sich in Solo  lösung mit     bräunlichgelber,    in konzentrierter  Schwefelsäure mit blauroter, bald nach  braun umschlagender Farbe. Sie ist ein wert  volles Zwischenprodukt zur Herstellung von  Farbstoffen.

           Beispiel.:     25 Teile     Anthrachinon-2-thiogivkol-l-          karbonsäure    werden zusammen mit 120 Tei  len 24%igem Ammoniak, 230 Teilen Wasser  und 60 Teilen Zinkstaub unter gutem Rüh  ren einige Zeit auf<B>80-90'</B> erwärmt. Die    völlig entfärbte Lösung wird filtriert und  bei zirka<B>50'</B> mit Schwefelsäure ausgefällt.



  Process for the preparation of an anthracene derivative. It has been found that a new anthracene derivative, the 2,1-anthraquinone thioglycol carboxylic acid, is obtained if the 2,1-anthraquinone thioglycol carboxylic acid is treated with suitable reducing agents. The?, 1-Anthracene thioglycol carboxylic acid forms a light yellow powder, it dissolves in solo solution with brownish-yellow, in concentrated sulfuric acid with blue-red, soon turning brown. It is a valuable intermediate product in the manufacture of dyes.

           Example: 25 parts of 2-anthraquinone-2-thiogivcol-1-carboxylic acid together with 120 parts of 24% ammonia, 230 parts of water and 60 parts of zinc dust are stirred for some time to <B> 80-90 '</B> warmed. The completely decolorized solution is filtered and precipitated with sulfuric acid at about <B> 50 '</B>.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Anthracenderivates, der 2,1-Anthracenthio- glykolkarbonsäure, dadurch gekennzeichnet, dass.man die 2,1-Anthrachinonthioglylkolkar- bonsäure mit geeigneten Reduktionsmitteln behandelt. Die 2,1-Anthracenthioglylkolkar- bonsäure bildet ein hellgelbes Pulver, sie löst sich in Sodalösung mit bräunlichgelber, in konzentrierter Schwefelsäure mit blauroter, bald nach braun umschlagender Farbe. Sie ist ein wertvolles Zwischenprodukt zur Her stellung von Farbstoffen. PATENT CLAIM: Process for the production of a new anthracene derivative, the 2,1-anthracene thiol carboxylic acid, characterized in that the 2,1-anthraquinone thioglyl carboxylic acid is treated with suitable reducing agents. The 2,1-anthracene thioglylcolcarboxylic acid forms a light yellow powder, it dissolves in soda solution with a brownish-yellow color, in concentrated sulfuric acid with a blue-red color, which soon turns brown. It is a valuable intermediate for the manufacture of dyes.
CH119146D 1923-01-24 1925-03-18 Process for the preparation of an anthracene derivative. CH119146A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH103647T 1923-01-24
CH119146T 1925-03-18

Publications (1)

Publication Number Publication Date
CH119146A true CH119146A (en) 1927-03-01

Family

ID=25706522

Family Applications (1)

Application Number Title Priority Date Filing Date
CH119146D CH119146A (en) 1923-01-24 1925-03-18 Process for the preparation of an anthracene derivative.

Country Status (1)

Country Link
CH (1) CH119146A (en)

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