CH178968A - Process for the preparation of a dye of the pyrene series. - Google Patents

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

Info

Publication number
CH178968A
CH178968A CH178968DA CH178968A CH 178968 A CH178968 A CH 178968A CH 178968D A CH178968D A CH 178968DA CH 178968 A CH178968 A CH 178968A
Authority
CH
Switzerland
Prior art keywords
dye
preparation
pyrene series
solvent
pyrene
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 CH178968A publication Critical patent/CH178968A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Coloring (AREA)

Description

  

  Verfahren zur Herstellung eines     Farbstoffes    der     Pyrenreihe.       Gegenstand vorliegenden Zusatzpatentes  ist ein Verfahren zur Herstellung     eines    Farb  stoffes der     Pyrenreihe,    das dadurch gekenn  zeichnet ist, dass man auf     Tetrachlorpyren-          chirron    vom Schmelzpunkt 325       1flethylamin     in Gegenwart eines Lösungsmittels in der       Wärme    einwirken lässt.  



  <I>Beispiel:</I>  Auf 18 Gewichtsteile     Tetrachlorpyren-          chinon   <B>vom</B> Schmelzpunkt 325   C, welches  in 500     Gewiehtsteilen    Nitrobenzol bei etwa  100   C verrührt wird, lässt man     1Vlethylamin     einwirken. Aus der so     erhaltenen    grüngrauen  Lösung scheidet sich das     Monomethylamino-          trichlorpyreuchinon    in rötlich metallglänzen  den dunklen     Nädelchen    ab. Es liefert auf  Baumwolle aus gelber     Küpe    grünblaue Fär  bungen.



  Process for the preparation of a dye of the pyrene series. The subject of the present additional patent is a process for the production of a dye of the pyrene series, which is characterized in that 1-methylamine is allowed to act on tetrachloropyrene chirron with a melting point of 325 in the presence of a solvent in the heat.



  <I> Example: </I> 1Vlethylamine is allowed to act on 18 parts by weight of tetrachloropyrene quinone with a melting point of 325 C, which is stirred in 500 parts by weight of nitrobenzene at around 100 C. From the green-gray solution obtained in this way, the monomethylamino-trichloropyreuchinone separates out of the dark needles in reddish metallic sheen. It supplies green-blue dyeings on cotton from a yellow vat.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Farb stoffes der Pyrenreihe, dadurch gekennzeich net, dass man auf Tetrachlorpyrenchinon vom Schmelzpunkt 325 C DIethylamin in Gegen wart eines Lösungsmittels in der Wärme einwirken lässt. Das so erhältliche Monomethylaminotri- chlorpyrenchi non bil detrötlich metallglänzende Nädelchen und liefert auf Baumwolle aus gelber Küpe grünblaue Färbungen. PATENT CLAIM: Process for the production of a dye of the pyrene series, characterized in that tetrachloropyrenequinone with a melting point of 325 C is allowed to act in the presence of a solvent in the presence of a solvent on methylamine. The Monomethylaminotri- chloropyrenchi non bil dédish metal-shining needles obtainable in this way and supplies green-blue dyeings on cotton from a yellow vat. UNTERANSPRÜCH: Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man dielleaktionskompo- nenten in Gegenwart von Nitrobenzol bei etwa. 100 C aufeinander einwirken lässt. SUBSTANTIAL CLAIM: Process according to patent claim, characterized in that one dielleaktionskompo- nenten in the presence of nitrobenzene at about. 100 C.
CH178968D 1933-02-25 1934-02-23 Process for the preparation of a dye of the pyrene series. CH178968A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE178968X 1933-02-25
CH173746T 1934-12-15

Publications (1)

Publication Number Publication Date
CH178968A true CH178968A (en) 1935-08-15

Family

ID=25719429

Family Applications (1)

Application Number Title Priority Date Filing Date
CH178968D CH178968A (en) 1933-02-25 1934-02-23 Process for the preparation of a dye of the pyrene series.

Country Status (1)

Country Link
CH (1) CH178968A (en)

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