CH198345A - Process for the production of a condensation product. - Google Patents

Process for the production of a condensation product.

Info

Publication number
CH198345A
CH198345A CH198345DA CH198345A CH 198345 A CH198345 A CH 198345A CH 198345D A CH198345D A CH 198345DA CH 198345 A CH198345 A CH 198345A
Authority
CH
Switzerland
Prior art keywords
condensation product
production
yellow
anisidide
distribution
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 CH198345A publication Critical patent/CH198345A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/14Styryl dyes
    • C09B23/143Styryl dyes the ethylene chain carrying a COOH or a functionally modified derivative, e.g.-CN, -COR, -COOR, -CON=, C6H5-CH=C-CN

Landscapes

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

Description

  

      Zusatzpatent    zum     Hauptpatent    Nr.     195953.       Verfahren zur Herstellung eines     Kondensationsproduktes.       Es wurde gefunden, dass man ein wert  volles Kondensationsprodukt erhält, wenn  man     Cyanessigsäure-p-anisidid    mit     (N-Äthyl-          N-methoxyäthyl)-p-aminobenzä,ldebyd    kon  densiert.  



  Das demgemäss erhaltene Kondensations  produkt ist ein gelbes Pulver, das sich in  organischen Lösungsmitteln, wie Aceton,  Essigester, mit grüngelber Farbe löst und  das, in geeignete Verteilung gebracht, z. B.  durch Vermahlen mit Verteilungsmitteln, wie       Sulfitzelluloseablauge,        sulfonierten    Rückstän  den der     Benzaldehydfabrikation    und     Wasäer,          Acetatkunstseide    in echten, grüngelben Tönen  färbt.  



       Beispiel:     190 Teile     Cyanessigsäure-p-anisidid    wer  den zusammen mit 207 Teilen     (N-Äthyl-N-          metboxyäthyl)-p-aminobenzaldehyd    in etwa  2500 Teilen Alkohol gelöst und unter Zu  satz einer Base, z. B.     Piperidin    oder etwas  Alkali oder     Natriumalkoholat,    einige Zeit  unter Rückfuss gekocht. Nach kurzem Kochen  tritt intensive Gelbfärbung der Flüssigkeit    durch das sich bildende Kondensationspro  dukt ein. Man kocht so lange, bis die     Farb-          intensität    nicht mehr zunimmt, was den End  punkt der Reaktion anzeigt. Man lässt unter  Rühren erkalten, wobei das Kondensations  produkt sich ausscheidet.



      Additional patent to main patent no. 195953. Process for the production of a condensation product. It has been found that a valuable condensation product is obtained if cyanoacetic acid p-anisidide is condensed with (N-ethyl-N-methoxyethyl) -p-aminobenzene, ldebyd.



  The accordingly obtained condensation product is a yellow powder which dissolves in organic solvents such as acetone, ethyl acetate, with a greenish yellow color and which, brought into suitable distribution, eg. B. by grinding with distribution agents, such as sulfite cellulose liquor, sulfonated residues from the benzaldehyde production and Wasäer, acetate rayon in real, green-yellow tones.



       Example: 190 parts of cyanoacetic acid-p-anisidide who together with 207 parts of (N-ethyl-N-metboxyäthyl) -p-aminobenzaldehyde dissolved in about 2500 parts of alcohol and added with a base, z. B. piperidine or some alkali or sodium alcoholate, boiled under reflux for some time. After a short boil, the liquid becomes intense yellow due to the condensation product that forms. Cook until the color intensity no longer increases, which indicates the end point of the reaction. The mixture is allowed to cool with stirring, the condensation product separating out.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Konden sationsproduktes, dadurch gekennzeichnet, dass man Cyanessigsäure-p-anisidid mit (N-Ä.thyl- N-methoxyäthyl)-p-aminobenzaldehyd kon densiert. Das demgemäss erhaltene Kondensations produkt ist ein gelbes Pulver, das sich in orga nischen Lösungsmitteln, wie Aceton, Essig ester, mit grüngelber Farbe löst und das, in geeignete Verteilung gebracht, z. PATENT CLAIM: Process for the production of a condensation product, characterized in that cyanoacetic acid p-anisidide is condensed with (N-Ä.thyl-N-methoxyethyl) -p-aminobenzaldehyde. The condensation product obtained accordingly is a yellow powder which dissolves in organic solvents such as acetone, ethyl acetate, with a greenish yellow color and which, brought into a suitable distribution, eg. B. durch Vermahlen mit Verteilungsmitteln, wie Sul- fitzelluloseablauge, sulfonierten Rückständen der Benzaldehydfabrikation und Wasser, Acetatkunstseide in echten grüngelben Tönen färbt. B. by grinding with distribution agents, such as sulphite cellulose liquor, sulphonated residues from benzaldehyde production and water, dyes acetate rayon in real green-yellow tones.
CH198345D 1937-01-09 1937-01-09 Process for the production of a condensation product. CH198345A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH198345T 1937-01-09
CH195953T 1937-01-09

Publications (1)

Publication Number Publication Date
CH198345A true CH198345A (en) 1938-06-15

Family

ID=25722819

Family Applications (1)

Application Number Title Priority Date Filing Date
CH198345D CH198345A (en) 1937-01-09 1937-01-09 Process for the production of a condensation product.

Country Status (1)

Country Link
CH (1) CH198345A (en)

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