AT57288B - Process for the preparation of β-γ-dimethylerythrene. - Google Patents

Process for the preparation of β-γ-dimethylerythrene.

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Publication number
AT57288B
AT57288B AT57288DA AT57288B AT 57288 B AT57288 B AT 57288B AT 57288D A AT57288D A AT 57288DA AT 57288 B AT57288 B AT 57288B
Authority
AT
Austria
Prior art keywords
dimethylerythrene
preparation
desc
warning
overlap beginning
Prior art date
Application number
Other languages
German (de)
Original Assignee
Farbenfab Vorm Bayer F & Co
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 Farbenfab Vorm Bayer F & Co filed Critical Farbenfab Vorm Bayer F & Co
Application granted granted Critical
Publication of AT57288B publication Critical patent/AT57288B/en

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

Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Darstellung von   p-y-Dimethylerythren.   
 EMI1.1 
 
 EMI1.2 
 
 EMI1.3 
 Natrium destilliert. Es siedet konstant bei 68 bis 69  C. 



   Beispiel 2. 



     10 () Teile   Pinakon werden mit 100 Teilen des sauren Kaliumsalzes der 1.   5-Amino-   naphtol-3.7-disulfosäure gemischt und das   chemisch   im Destillierapparat auf 150 bis   1600 ('   erhitzt Das   -y-Uimethylerythren wird   darauf, wie in   Heispiet     l   beschrieben, isoliert. 



     Man kann auch andere   saure Salze der Di- oder Polysulfosäuren verwenden. 

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



   <Desc / Clms Page number 1>
 



  Process for the preparation of p-y-dimethylerythrene.
 EMI1.1
 
 EMI1.2
 
 EMI1.3
 Distilled sodium. It boils constantly at 68 to 69 C.



   Example 2.



     10 () parts of pinacon are mixed with 100 parts of the acidic potassium salt of 1. 5-amino-naphthol-3.7-disulfonic acid and this is heated chemically in the still to 150 to 1600 ('The -y-uimethylerythrene is then described as described in Heispiet l , isolated.



     Other acidic salts of the di- or polysulfonic acids can also be used.

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

Claims (1)

PATENT-ANSPRUCH: Verfahren zur Darstellung von ss-#039-Dimethylerythren, darin bestehend, dass man EMI1.4 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Process for the preparation of ss- # 039-dimethylerythrene, consisting in that one EMI1.4 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT57288D 1910-05-30 1911-01-30 Process for the preparation of β-γ-dimethylerythrene. AT57288B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE57288X 1910-05-30

Publications (1)

Publication Number Publication Date
AT57288B true AT57288B (en) 1913-01-25

Family

ID=5629097

Family Applications (1)

Application Number Title Priority Date Filing Date
AT57288D AT57288B (en) 1910-05-30 1911-01-30 Process for the preparation of β-γ-dimethylerythrene.

Country Status (1)

Country Link
AT (1) AT57288B (en)

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