CH127930A - Process for the production of a new anthraquinone derivative. - Google Patents

Process for the production of a new anthraquinone derivative.

Info

Publication number
CH127930A
CH127930A CH127930DA CH127930A CH 127930 A CH127930 A CH 127930A CH 127930D A CH127930D A CH 127930DA CH 127930 A CH127930 A CH 127930A
Authority
CH
Switzerland
Prior art keywords
production
anthraquinone derivative
new anthraquinone
new
alizarin
Prior art date
Application number
Other languages
German (de)
Inventor
Von Diesbach Heinrich Dr Prof
Original Assignee
Von Diesbach Heinrich Dr Prof
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 Von Diesbach Heinrich Dr Prof filed Critical Von Diesbach Heinrich Dr Prof
Publication of CH127930A publication Critical patent/CH127930A/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
    • C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof
    • C09B1/06—Preparation from starting materials already containing the anthracene nucleus
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides

Landscapes

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

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 124526.    Verfahren zur Herstellung eines neuen     Anthrachin nderivates.       Es wurde gefunden, dass man ein neues       Anthrachinonderivat    erhält, wenn man     Dime-          thylolharristoff    mit     Alizarin    kondensiert.  



  Die so erhaltene Verbindung stellt sehr  wahrscheinlich den     a-(Dioxy-anthrachinonyl)-          methyl-P-oxymethylharnstoff    dar und bildet  braune Kristalle, welche sich bei     20411    zer  setzen ohne zu schmelzen. In konzentrierter  Schwefelsäure löst er sich gelbrot, in kau  stischen Alkalien blau. Das neue Produkt  wird zur Herstellung von Farbstoffen und  weiteren Zwischenprodukten verwendet.  



  <I>Beispiel:</I>  1 Teil     Alizarin    wird in 20 Teilen kon  zentrierter Schwefelsäure gelöst und unter  Rühren allmählich 2 Teile     Dimethylolharn-          stoff    hinzugefügt. Nach zwei Tagen wird auf    Eis gegossen, mit Alkohol ausgekocht und  aus Nitrobenzol umkristallisiert.



      Additional patent to main patent No. 124526. Process for the production of a new anthraquinone derivative. It has been found that a new anthraquinone derivative is obtained when dimethylolharristoff is condensed with alizarin.



  The compound obtained in this way very probably represents the a- (dioxy-anthraquinonyl) - methyl-P-oxymethylurea and forms brown crystals, which decompose at 20411 without melting. It dissolves yellow-red in concentrated sulfuric acid and blue in caustic alkalis. The new product is used to manufacture dyes and other intermediate products.



  <I> Example: </I> 1 part alizarin is dissolved in 20 parts concentrated sulfuric acid, and 2 parts dimethylolurea are gradually added while stirring. After two days, it is poured onto ice, boiled with alcohol and recrystallized from nitrobenzene.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines neuen Anthrachinonderivates, dadurch gekennzeich net, dass man Dimethylolharnstoff mit Alizarin kondensiert. . Die so erhaltene Verbindung stellt sehr wahrscheinlich den a-(Dioxy-anthr-achinonyl)- methyl-i3-oxymethylharnstoff dar und bildet braune Kristalle, welche sich bei 204 zer setzen ohne zu schmelzen. In konzentrierter Schwefelsäure löst er sich gelbrot, in kau stischen Alkalien blau. Das neue Produkt wird zur Herstellung von Farbstoffen und weiteren Zwischenprodukten verwendet. PATENT CLAIM: Process for the production of a new anthraquinone derivative, characterized in that dimethylolurea is condensed with alizarin. . The compound obtained in this way is very likely to be α- (dioxy-anthr-aquinonyl) -methyl-13-oxymethylurea and forms brown crystals which decompose at 204 without melting. It dissolves yellow-red in concentrated sulfuric acid and blue in caustic alkalis. The new product is used to manufacture dyes and other intermediate products.
CH127930D 1926-09-23 1926-09-23 Process for the production of a new anthraquinone derivative. CH127930A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH124526T 1926-09-23
CH127930T 1926-09-23

Publications (1)

Publication Number Publication Date
CH127930A true CH127930A (en) 1928-09-17

Family

ID=25710268

Family Applications (1)

Application Number Title Priority Date Filing Date
CH127930D CH127930A (en) 1926-09-23 1926-09-23 Process for the production of a new anthraquinone derivative.

Country Status (1)

Country Link
CH (1) CH127930A (en)

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