AT64978B - Process for the preparation of selenium cyanides and selenophenols of the anthraquinone series. - Google Patents

Process for the preparation of selenium cyanides and selenophenols of the anthraquinone series.

Info

Publication number
AT64978B
AT64978B AT64978DA AT64978B AT 64978 B AT64978 B AT 64978B AT 64978D A AT64978D A AT 64978DA AT 64978 B AT64978 B AT 64978B
Authority
AT
Austria
Prior art keywords
selenium
cyanides
selenophenols
preparation
anthraquinone series
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 AT64978B publication Critical patent/AT64978B/en

Links

Landscapes

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

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 



   Es wurde gefunden, dass beim Erhitzen von Diazoseleneyaniden der Anthrachinonreihe, ohne dass die Zufügung einer Kontaktsubstanz (Kupfer oder Kupferoxydulsalze) erforderlich ist, die Selencyangruppe in glatt verlaufender Reaktion unter Abspaltung von Stickstoff in den Kern tritt : 
 EMI1.2 
 
Die Selencyanide lassen sich durch die   für Rhodanide bekannten   Reagenzien, wie z. B. durch alkoholisches Kali oder Natron, zu   Selenophenolen   aufspalten. 



   Beispiel : 2.2 kg I-Aminoanthrachinon werden in bekannter Weise in konzentrierter   Schwefelsaun   mit   Nitrosylscbwefelsäure   diazotiert. Das beim Verdünnen mit Eis aus-   gefällte Diazosulfat   wird abfiltriert, in Wasser gelöst und mit einer wässerigen Lösung von 1.5 kg Selcncyankalium versetzt. Es fällt hiebei ein rotes   Diaxoselencyanid ans, welches   schon in der Kälte einen Teil des Stickstoffs verliert. Zur   Yollcndung   der Reaktion 
 EMI1.3 
 und anderen. 



   Analog verfahrt man bei Verwendung des ss-Aminoanthrachinons, der DiaminoanthrachinonederDerivateallerdieserVerbindungen. 



   Die neuen Stoffe sollen zur Herstellung von Farbstoffen und Heilmitteln Verwendung finden. 



    PATENT-ANSPRCT ('HE :  
1. Verfahren zur Darstellung von Selencyaniden der Anthrachinonreihe, darin bestehend, dass   Diazoselcneyanide verkocht werden.   

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



   <Desc / Clms Page number 1>
 
 EMI1.1
 



   It has been found that when diazoselene anides of the anthraquinone series are heated without the addition of a contact substance (copper or copper oxide salts), the selenium cyanide group enters the core in a smooth reaction with elimination of nitrogen:
 EMI1.2
 
The selenium cyanides can be prepared by the reagents known for rhodanides, such as. B. by alcoholic potash or soda, split to selenophenols.



   Example: 2.2 kg of I-aminoanthraquinone are diazotized in a known manner in concentrated sulfuric acid with nitrosylsulfuric acid. The diazo sulfate precipitated on dilution with ice is filtered off, dissolved in water and mixed with an aqueous solution of 1.5 kg of potassium cyanide. A red diaxoselenium cyanide falls, which loses part of the nitrogen even in the cold. To complete the reaction
 EMI1.3
 and others.



   The procedure is analogous when using the ß-aminoanthraquinone, the diaminoanthraquinone of the derivatives of all these compounds.



   The new substances are to be used for the manufacture of dyes and medicines.



    PATENT-ANSPRCT ('HE:
1. Process for the preparation of selenium cyanides of the anthraquinone series, consisting in boiling diazoselcneyanides.

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

Claims (1)

2. Verfahren zur Überführung der gemäss Anspruch 1 erhältlichen Produkte in Selenophenolo, darin bestehend, dass die Seleneyanide durch die für lthodanide bekannten Reagenzien, wie z. B. durch Kali oder Natron, aufgespalten werden. **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. 2. A method for converting the products obtainable according to claim 1 in selenophenolo, consisting in that the selenium anides by the reagents known for lthodanide, such as. B. by potash or baking soda, split. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT64978D 1912-01-24 1913-01-11 Process for the preparation of selenium cyanides and selenophenols of the anthraquinone series. AT64978B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE64978X 1912-01-24

Publications (1)

Publication Number Publication Date
AT64978B true AT64978B (en) 1914-05-25

Family

ID=5632655

Family Applications (1)

Application Number Title Priority Date Filing Date
AT64978D AT64978B (en) 1912-01-24 1913-01-11 Process for the preparation of selenium cyanides and selenophenols of the anthraquinone series.

Country Status (1)

Country Link
AT (1) AT64978B (en)

Similar Documents

Publication Publication Date Title
AT64978B (en) Process for the preparation of selenium cyanides and selenophenols of the anthraquinone series.
AT111249B (en) Process for the preparation of complex antimony compounds.
AT49192B (en) Body colors.
AT41385B (en) Process for excretion of non-sugar from sugar solutions.
AT72229B (en) Process for the production of colored lakes.
AT40079B (en) Process for the production of burgundy to violet-red colored lakes producing monoazo dyes.
DE542254C (en) Process for the concentration of aqueous formic acid
DE336767C (en) Process for the production of ammonium sulfate with the help of calcium sulfate, ammonia and carbonic acid
AT47526B (en) Process for the preparation of blue vat dyes of the sulfine series.
AT66206B (en) Method of making antimony cinnabar.
DE319505C (en) Process for the preparation of dimethylbutadiene
AT72940B (en) Process for the preparation of yellow chromating dyes.
AT97134B (en) Process for the improvement and making of acidic wines or fruit wines drinkable.
AT89794B (en) Process for the preparation of strong cyanamide solutions.
AT33443B (en) Process for the preparation of blue sulfur dyes.
AT54719B (en) Process for the production of plastic masses.
DE578037C (en) Process for the production of aromatic oxyaldehydes
AT136146B (en) Process for the production of durable, supersaturated calcium gluconate solutions.
DE429483C (en) Manufacture of titanium acid and ammonium sulfate by heating titanium nitrogen compounds
AT135687B (en) Process for the preparation of water-soluble complex antimony salts of polyoxymonocarboxylic acids.
AT120851B (en) Sulfuric acid contact method.
AT66213B (en) Process for the preparation of sulfur and sulphates by heating sulphites under pressure.
AT115045B (en) Process for the production of complex tungsten and molybdenum compounds.
AT131132B (en) Process for the preparation of 2-oxyacetic acid benzimidazolar acids.
DE507918C (en) Process for the production of sulfuric acid and salts of trivalent chromium