CH210510A - Process for the preparation of a chromable dye of the triarylmethane series. - Google Patents

Process for the preparation of a chromable dye of the triarylmethane series.

Info

Publication number
CH210510A
CH210510A CH210510DA CH210510A CH 210510 A CH210510 A CH 210510A CH 210510D A CH210510D A CH 210510DA CH 210510 A CH210510 A CH 210510A
Authority
CH
Switzerland
Prior art keywords
dye
chromable
preparation
triarylmethane series
yellow
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 CH210510A publication Critical patent/CH210510A/en

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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
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/06—Hydroxy derivatives of triarylmethanes in which at least one OH group is bound to an aryl nucleus and their ethers or esters
    • C09B11/08—Phthaleins; Phenolphthaleins; Fluorescein

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 198713.    Verfahren zur Herstellung eines     ehromierbaren        Farbstoffes    der     Triarylmethanreihe.       Gegenstand dieses Zusatzpatentes ist ein  Verfahren zur Herstellung eines     chromier-          baren    Farbstoffes der     Triarylmethanreihe,     welches dadurch gekennzeichnet ist, dass man       2'.4'-        Dioxy    - 2 -     benzoyl    - (o -     oxycarboxy)

          -1-          benzoesäure    mit     1.3-Dioxynaphthalin    kon  densiert.  



  <I>Beispiel:</I>  40     Gewichtsteile        2'.4'-Dioxy-2-benzoyl-          (o    -     oxycarboxy)    -1-     benzoesäure    (erhältlich  durch     Kondensation    von 1     Mol        5-Oxybenzol-          1.2.4-tricarbonsäure    mit 1     Mol        Resorcin,    z. B.

    durch Erhitzen dieser Stoffe bei etwa 100 bis  120   C in Gegenwart eines     Lösungs-    oder  Verdünnungsmittels bis das     Resorcin    ver  braucht ist) und 20 Gewichtsteile     1.3-Dioxy-          naphthalin        werden    4 Stunden auf 150 bis  160   C erhitzt. Die pulverisierte Schmelze  wird in     Bicarbonatlösung    gelöst und die er  haltene Lösung mit etwa 1 Gewichtsteil  Tierkohle     r/;    Stunde gekocht. Aus der fil-         trierten        gelbroten    Lösung     wird    der Farb  stoff     in    der .Siedehitze mit verdünnter Salz  säure ausgefällt.

   Nach     völligem    Erkalten  wird er wie üblich isoliert. Zur weiteren       Reinigung    kann er aus viel Eisessig oder       Dioxan        umkristallisiert    werden. Der Farb  stoff stellt ein gelbrotes,     undeutlich    kristalli  nes Pulver dar. Er löst sich in     Bicarbonat-          lösung        mit    gelbroter Farbe und gelber Fluo  reszenz. Wolle wird aus saurem Bade in  klaren goldgelben Tönen gefärbt. Die     chro-          mierte    Färbung ist braun     und    zeigt ver  besserte Echtheitseigenschaften.



      Additional patent to main patent No. 198713. Process for the production of an honorable dye of the triarylmethane series. The subject of this additional patent is a process for the production of a chromable dye of the triarylmethane series, which is characterized in that 2'.4'-dioxy - 2 - benzoyl - (o - oxycarboxy)

          -1- benzoic acid condenses with 1,3-dioxynaphthalene.



  <I> Example: </I> 40 parts by weight of 2'.4'-dioxy-2-benzoyl- (o - oxycarboxy) -1-benzoic acid (obtainable by condensation of 1 mole of 5-oxybenzene-1.2.4-tricarboxylic acid with 1 Moles of resorcinol, e.g.

    by heating these substances at about 100 to 120 C in the presence of a solvent or diluent until the resorcinol is consumed) and 20 parts by weight of 1,3-dioxynaphthalene are heated to 150 to 160 C for 4 hours. The pulverized melt is dissolved in bicarbonate solution and the solution obtained with about 1 part by weight of animal charcoal r /; Cooked hour. The dye is precipitated from the filtered yellow-red solution at the boiling point with dilute hydrochloric acid.

   After it has cooled completely, it is isolated as usual. For further purification it can be recrystallized from a lot of glacial acetic acid or dioxane. The color is a yellow-red, indistinct crystalline powder. It dissolves in bicarbonate solution with a yellow-red color and yellow fluorescence. Acid bath dyes wool in clear golden yellow tones. The chromed coloration is brown and shows improved fastness properties.

Claims (1)

PATENTANSPRUCI4 Verfahren zur Herstellung eines chromier- baren Farbstoffes der Triarylmethanreihe, dadurch gekennzeichnet, dass man 2'.4'-Di- oxy-2-benzoyl-(o-oxycarboxy)-1-benzoesäure mit 1.3-Dioxynaphthalin kondensiert. Der so erhaltene Farbstoff färbt Wolle aus saurem Bade in. klaren goldgelben Tönen, die durch Chromieren in braune Töne mit verbesserten Echtheitseigenschaften über gehen. A process for the preparation of a chromable dye of the triarylmethane series, characterized in that 2'.4'-dioxy-2-benzoyl- (o-oxycarboxy) -1-benzoic acid is condensed with 1,3-dioxynaphthalene. The dyestuff obtained in this way dyes wool from an acid bath in clear golden-yellow shades which, as a result of chroming, turn into brown shades with improved fastness properties. UNTERANSPRUCH: Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass man die Kondensation durch Versc'imelzen der Reaktionskomponen ten unter Luftabschluss bei 150-160 C während 4 Stunden bewirkt. SUBClaim: Process according to patent claim, characterized in that the condensation is effected by melting the reaction components in the absence of air at 150-160 C for 4 hours.
CH210510D 1936-03-27 1937-03-25 Process for the preparation of a chromable dye of the triarylmethane series. CH210510A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE210510X 1936-03-27
CH198713T 1938-12-20

Publications (1)

Publication Number Publication Date
CH210510A true CH210510A (en) 1940-07-15

Family

ID=25723151

Family Applications (1)

Application Number Title Priority Date Filing Date
CH210510D CH210510A (en) 1936-03-27 1937-03-25 Process for the preparation of a chromable dye of the triarylmethane series.

Country Status (1)

Country Link
CH (1) CH210510A (en)

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