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CH277307A - Process for the production of a vat dye. - Google Patents

Process for the production of a vat dye.

Info

Publication number
CH277307A
CH277307A CH277307DA CH277307A CH 277307 A CH277307 A CH 277307A CH 277307D A CH277307D A CH 277307DA CH 277307 A CH277307 A CH 277307A
Authority
CH
Switzerland
Prior art keywords
chlorobenzoylating
agent
production
vat
vat dye
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Ciba
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of CH277307A publication Critical patent/CH277307A/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/34—Anthraquinone acridones or thioxanthrones
    • C09B5/36—Amino acridones

Landscapes

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

Description

  

  Verfahren zur Herstellung eines     Küpenfarbstoffes.       Es wurde gefunden,     dass    ein wertvoller       Küpenfarbstoff    hergestellt werden kann,  wenn man     4-Aminoanthrachinon-2,1-(N)-1",2-          (N)-benzaeridon    mit einem     p-chlorbenzoylie-          renden    Mittel behandelt.  



  Der neue Farbstoff löst sieh in konzen  trierter Schwefelsäure mit gelbroter Farbe  und färbt pflanzliche Fasern aus rotvioletter       II.vdrosulfitküpe    in tiefen blauen Tönen von  vorzüglicher Echtheit.  



  Als     p-ehlorbenzoylierende    Mittel können  gemäss vorliegendem Verfahren beispielsweise       p-Chlorbenzoesäure    und insbesondere ihre  funktionellen Derivate, vorzugsweise     p-Chlor-          benzoylehlorid,    verwendet werden. Die Reak  tion wird in an sieh bekannter 'Weise     zweek-          iijässi-    in einem indifferenten Lösungsmittel,  wie Nitrobenzol,     Tri-    oder     Dichlorbenzol,     durchgeführt.  



  <I>Beispiel:</I>  <B>6</B>     Gewiehtsteile        4--Aminoanthraehinon-2,1-          (N)-l',2'-(N)-benzaeridon    und<B>5,</B>     Gewiehtsteile          p-Chlorbenzoylehlorid    werden in<B>190</B> Raum  teilen     o-Dichlorbenzol    während einer Stunde  auf<B>150</B> bis<B>1600 C</B> erhitzt. Man     lässt    erkalten  und filtriert den blauen Farbstoff ab.



  Process for the production of a vat dye. It has been found that a valuable vat dye can be produced by treating 4-aminoanthraquinone-2,1- (N) -1 ″, 2- (N) -benzaeridone with a p-chlorobenzoyling agent.



  The new dye dissolves in concentrated sulfuric acid with a yellow-red color and dyes vegetable fibers from red-violet II vdrosulfite vat in deep blue shades of excellent fastness.



  As p-chlorobenzoylating agents, for example p-chlorobenzoic acid and in particular its functional derivatives, preferably p-chlorobenzoyl chloride, can be used according to the present process. The reaction is carried out in a manner known per se in an inert solvent such as nitrobenzene, tri- or dichlorobenzene.



  <I> Example: </I> <B> 6 </B> parts by weight 4 - Aminoanthraehinon-2,1- (N) -l ', 2' - (N) -benzaeridon and <B> 5, </ B> Parts by weight of p-chlorobenzoylehloride are heated to <B> 150 </B> to <B> 1600 C </B> for one hour in <B> 190 </B> dividing space o-dichlorobenzene. It is allowed to cool and the blue dye is filtered off.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Küpen- farbstoffes, dadurch gekennzeichnet, dass man 4-Aminoanthrachinon-2,1-(N)-l',2'-(N)-beri7- aeridon mit einem p-chlorbenzoylierenden Mittel behandelt. Der neue Farbstoff löst sich in konzen trierter Schwefelsäure mit gelbroter Farbe und färbt pflanzliche Fasern aus rotvioletter 1-Iydrosulfitküpe in tiefen blauen Tönen von vorzüglicher Echtheit. PATENT CLAIM: Process for the production of a vat dye, characterized in that 4-aminoanthraquinone-2,1- (N) -l ', 2' - (N) -beri7- aeridone is treated with a p-chlorobenzoylating agent. The new dye dissolves in concentrated sulfuric acid with a yellow-red color and dyes vegetable fibers from red-violet 1-hydrosulfite vat in deep blue shades of excellent fastness. UNTERANSPRÜCHE: <B>1.</B> Verfahren gemäss Patentanspruch, ge kennzeichnet durch die Verwendung eines funktionellen Derivats der p-Chlorbenzoesäure als p-chlorbenzoylierendes Mittel. 2. Verfahren gemäss Patentanspruch, ge kennzeichnet durch die Verwendung von p- Chlorbenzoylehlorid als p-chlorbenzoylieren- des Mittel. <B>3.</B> Verfahren gemäss Patentanspruch, da durch gekennzeichnet, dass man die Reak tion in einem indifferenten Lösungsmittel durchführt. SUBClaims: <B> 1. </B> Method according to claim, characterized by the use of a functional derivative of p-chlorobenzoic acid as p-chlorobenzoylating agent. 2. The method according to claim, characterized by the use of p-chlorobenzoyle chloride as p-chlorobenzoylating agent. <B> 3. </B> Process according to patent claim, characterized in that the reaction is carried out in an inert solvent.
CH277307D 1943-12-28 1943-12-28 Process for the production of a vat dye. CH277307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH277307T 1943-12-28

Publications (1)

Publication Number Publication Date
CH277307A true CH277307A (en) 1951-08-31

Family

ID=4481173

Family Applications (1)

Application Number Title Priority Date Filing Date
CH277307D CH277307A (en) 1943-12-28 1943-12-28 Process for the production of a vat dye.

Country Status (1)

Country Link
CH (1) CH277307A (en)

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