CH263545A - Process for the production of a new condensation product. - Google Patents

Process for the production of a new condensation product.

Info

Publication number
CH263545A
CH263545A CH263545DA CH263545A CH 263545 A CH263545 A CH 263545A CH 263545D A CH263545D A CH 263545DA CH 263545 A CH263545 A CH 263545A
Authority
CH
Switzerland
Prior art keywords
blue
condensation product
production
new
new condensation
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Sandoz
Original Assignee
Ag Sandoz
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 Ag Sandoz filed Critical Ag Sandoz
Publication of CH263545A publication Critical patent/CH263545A/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
    • C09B13/00—Oxyketone dyes
    • C09B13/02—Oxyketone dyes of the naphthalene series, e.g. naphthazarin

Landscapes

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

Description

  

  Verfahren zur Herstellung eines neuen     Kondensationsproduktes.       Die vorliegende Erfindung betrifft ein  Verfahren zur Herstellung eines neuen Kon  densationsproduktes und ist dadurch gekenn  zeichnet, dass man das nach dem Verfahren  der Patentschrift     Nr.251646    erhältliche 3,7       Dibrom-5-amino-8-oxy-1,4-naplithochinonimid-          (1)    mit Anilin in Eisessig kondensiert.  



  <I>Beispiel:</I>  35 g     3,7-Dibrom-5-amino-8-oxy-1,4-naphtho-          ehinonimid-(1)    werden mit 10 g Anilin in  300 g Eisessig 1 Stunde auf<B>900</B>     erwärmt,     dann rasch auf 1000 erhitzt und auf 1,5 Liter       Wasser    ausgeladen. Der Niederschlag wird       abfiltriert,    neutral gewaschen und getrocknet.  Das schwarzblaue Produkt löst sich in Alko  hol blau, in     Schwefelsäure    gelbbraun.

   Die       schwefelsaure    Lösung wird auf Zusatz von  Formaldehyd     blaugrün,    auf Zusatz von Bor-         säure    nach     Erwärmen        purpur.    Die neue Ver  bindung färbt.     Aeetatseide    in tiefem Blau.



  Process for the production of a new condensation product. The present invention relates to a process for the preparation of a new condensation product and is characterized in that the 3,7 dibromo-5-amino-8-oxy-1,4-naplithoquinonimide ( 1) condensed with aniline in glacial acetic acid.



  <I> Example: </I> 35 g of 3,7-dibromo-5-amino-8-oxy-1,4-naphtho-ehinonimide- (1) are mixed with 10 g of aniline in 300 g of glacial acetic acid for 1 hour on <B > 900 </B> heated, then quickly heated to 1000 and discharged onto 1.5 liters of water. The precipitate is filtered off, washed neutral and dried. The blue-black product dissolves blue in alcohol and yellow-brown in sulfuric acid.

   The sulfuric acid solution turns blue-green on addition of formaldehyde, and purple on addition of boric acid after heating. The new connection colors. Aeetatseil in deep blue.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Kondensationsproduktes, dadurch gekenn zeichnet, dass man das nach dem Verfahren gemäss Patentanspruch der Patentschrift Nr.251646 erhältliche 3,7-Dibrom-5-amino-8- oxy-1,4-naphthocliinonimid-(1) mit Anilin in Eisessig kondensiert. Die neue Verbindung stellt ein blau schwarzes Produkt dar, das sieh in Alkohol blau, in Sehwefelsäure gelbbraun löst. Die schwefelsaure Lösung färbt sich auf Zusatz von Formaldehyd blaugrün, auf Zusatz von Borsäure nach Erwärmen purpur. Die neue Verbindung färbt Acetatseide blau. PATENT CLAIM: Process for the preparation of a new condensation product, characterized in that the 3,7-dibromo-5-amino-8-oxy-1,4-naphthocliinonimide- (1) obtainable by the process according to patent claim of patent specification no. condensed with aniline in glacial acetic acid. The new compound is a blue-black product that dissolves blue in alcohol and yellow-brown in sulfuric acid. The sulfuric acid solution turns blue-green on addition of formaldehyde, and purple on addition of boric acid after heating. The new compound turns acetate silk blue.
CH263545D 1946-04-26 1946-04-26 Process for the production of a new condensation product. CH263545A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH263545T 1946-04-26
CH258588T 1948-12-15

Publications (1)

Publication Number Publication Date
CH263545A true CH263545A (en) 1949-08-31

Family

ID=25730195

Family Applications (1)

Application Number Title Priority Date Filing Date
CH263545D CH263545A (en) 1946-04-26 1946-04-26 Process for the production of a new condensation product.

Country Status (1)

Country Link
CH (1) CH263545A (en)

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