AT50508B - Process for the preparation of dianthraquinonylureas. - Google Patents

Process for the preparation of dianthraquinonylureas.

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Publication number
AT50508B
AT50508B AT50508DA AT50508B AT 50508 B AT50508 B AT 50508B AT 50508D A AT50508D A AT 50508DA AT 50508 B AT50508 B AT 50508B
Authority
AT
Austria
Prior art keywords
dianthraquinonylureas
preparation
desc
warning
overlap beginning
Prior art date
Application number
Other languages
German (de)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of AT50508B publication Critical patent/AT50508B/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Herstellung von   Dianthrachinonylharnstoffen.   
 EMI1.1 
 Pulver abscheide. Man saugt heiss ab, wobei unverändertes ss-Aminoanthrachinon in Lösung bleibt. Durch Nachwaschen mit et was Nitrobenzol. Sprit und Wasser erhält man ein gelb-   bnumes Pulvor,   das in seinen Eigenschaften identisch ist mit dem ss-ss-Dianthrachinonylharnstoff des Stammpatentes Nr.   47522.   

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



  Process for the preparation of dianthraquinonylureas.
 EMI1.1
 Separate powder. It is suctioned off while hot, unchanged β-aminoanthraquinone remaining in solution. After washing with a little nitrobenzene. Fuel and water result in a yellow-brown powder, which is identical in its properties to the ss-ss-dianthraquinonylurea of the parent patent no. 47522.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

PATENT-ANSPRUCH : EMI1.2 erhitzt. *) Erstem Zusatzpatent Nr 49561. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: EMI1.2 heated. *) First additional patent No. 49561. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT50508D 1909-02-01 1910-02-07 Process for the preparation of dianthraquinonylureas. AT50508B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE47522X 1909-02-01
DE50508X 1909-02-17

Publications (1)

Publication Number Publication Date
AT50508B true AT50508B (en) 1911-10-25

Family

ID=25749053

Family Applications (1)

Application Number Title Priority Date Filing Date
AT50508D AT50508B (en) 1909-02-01 1910-02-07 Process for the preparation of dianthraquinonylureas.

Country Status (1)

Country Link
AT (1) AT50508B (en)

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