CH137089A - Process for the production of an anthraquinone derivative. - Google Patents

Process for the production of an anthraquinone derivative.

Info

Publication number
CH137089A
CH137089A CH137089DA CH137089A CH 137089 A CH137089 A CH 137089A CH 137089D A CH137089D A CH 137089DA CH 137089 A CH137089 A CH 137089A
Authority
CH
Switzerland
Prior art keywords
production
anthraquinone derivative
dioxy
dissolves
furfural
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 CH137089A publication Critical patent/CH137089A/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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/28—Dyes with amino groups substituted by hydrocarbon radicals substituted by alkyl, aralkyl or cyclo alkyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C225/00—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones
    • C07C225/24—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones the carbon skeleton containing carbon atoms of quinone rings
    • C07C225/26—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones the carbon skeleton containing carbon atoms of quinone rings having amino groups bound to carbon atoms of quinone rings or of condensed ring systems containing quinone rings
    • C07C225/32—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones the carbon skeleton containing carbon atoms of quinone rings having amino groups bound to carbon atoms of quinone rings or of condensed ring systems containing quinone rings of condensed quinone ring systems formed by at least three rings
    • C07C225/34—Amino anthraquinones

Landscapes

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

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr.     1313i;8.       Verfahren zur Herstellung eines     Anthrachinonderivates.       Es wurde gefunden, dass man ein     Anthra-          cbinonderivat    erhält, wenn man     1,5-Dioxy-          4,8-diaminoanthi-achinon,        Furfurol    und Amei  sensäure aufeinander einwirken lässt. Die so  erhaltene     Verbindung    bildet ein dunkelblaues  Pulver, das sich in organischen Lösungs  mitteln wie Benzol,     Nitrobenzol,    Eisessig       c-#tc.    mit     reinblauer    Farbe löst.

   Sie stellt ein  wertvolles Zwischenprodukt zur Herstellung  weiterer     Farbstoffe    dar.  



       Beispiel:     1 Teil     1,5-Dioxy-4,8-diaininoanthrachinon     wird mit 10 Teilen     Furfurol    und 1 Teil  83     o/oiger    Ameisensäure so lange zum Kochen  erhitzt, bis die Reaktion beendet, das heisst  keine weitere Verschiebung der Nuance der  anfangs rotvioletten Farbe der Schmelze  nach blau mehr zu beobachten ist. Durch Ver-         drinnen    der Reaktionsmasse mit dem     3-4-          fachen    Volumen Alkohol wird das gebildete       Furfurolderivat    abgeschieden.



  <B> Additional patent </B> to main patent No. 1313i; 8. Process for the production of an anthraquinone derivative. It has been found that an anthracbinone derivative is obtained if 1,5-dioxy-4,8-diaminoanthi-aquinone, furfural and formic acid are allowed to act on one another. The compound obtained in this way forms a dark blue powder that dissolves in organic solvents such as benzene, nitrobenzene, glacial acetic acid c- # tc. dissolves with pure blue paint.

   It is a valuable intermediate for the production of other dyes.



       Example: 1 part 1,5-dioxy-4,8-diaininoanthraquinone is heated to the boil with 10 parts furfural and 1 part 83% formic acid until the reaction has ended, i.e. no further shift in the shade of the initially red-violet color the melt can be seen more after blue. The furfurol derivative formed is separated out by dissolving the reaction mass with 3-4 times the volume of alcohol.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Anthra- chinonderivates, dadurch gekennzeichnet, dass man das 1,5-Dioxy-4,8-diaminoanthrachinon, Furfurol und Ameisensäure aufeinander ein wirken lässt. Die so erhaltene Verbindung bildet ein dunkelblaues Pulver, das sich in organischen Lösungsmitteln wie Benzol, Nitrobenzol, Eisessig etc. finit reinblauer Farbe löst. Sie stellt ein wertvolles Zwischen produkt zur Herstellung weiterer Farbstoffe dar. PATENT CLAIM: Process for the production of an anthraquinone derivative, characterized in that the 1,5-dioxy-4,8-diaminoanthraquinone, furfural and formic acid are allowed to act on one another. The compound obtained in this way forms a dark blue powder which dissolves in organic solvents such as benzene, nitrobenzene, glacial acetic acid, etc. finitely pure blue in color. It is a valuable intermediate product for the production of other dyes.
CH137089D 1927-12-07 1927-12-07 Process for the production of an anthraquinone derivative. CH137089A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH131358T 1927-12-07
CH137089T 1927-12-07

Publications (1)

Publication Number Publication Date
CH137089A true CH137089A (en) 1929-12-15

Family

ID=25711604

Family Applications (1)

Application Number Title Priority Date Filing Date
CH137089D CH137089A (en) 1927-12-07 1927-12-07 Process for the production of an anthraquinone derivative.

Country Status (1)

Country Link
CH (1) CH137089A (en)

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