AT35591B - Process for the preparation of α-β-oxyanthraquinones respectively. Anthraquinone-α- and -α-β-oxysulfonic acids. - Google Patents

Process for the preparation of α-β-oxyanthraquinones respectively. Anthraquinone-α- and -α-β-oxysulfonic acids.

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Publication number
AT35591B
AT35591B AT35591DA AT35591B AT 35591 B AT35591 B AT 35591B AT 35591D A AT35591D A AT 35591DA AT 35591 B AT35591 B AT 35591B
Authority
AT
Austria
Prior art keywords
anthraquinone
preparation
oxyanthraquinones
oxysulfonic
acids
Prior art date
Application number
Other languages
German (de)
Original Assignee
Wedekind & Co R
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.)
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Publication date
Application filed by Wedekind & Co R filed Critical Wedekind & Co R
Application granted granted Critical
Publication of AT35591B publication Critical patent/AT35591B/en

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

Description

  

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 die   Anbeute,   sowie die Reinheit der Produkte gesteigert. Entgegen den Erfahrungen bei der   Alkali8chmelzc   tritt hier bei Gegenwart der genannten Oxydationsmittel kein weiteres Hydroxyl in das Anthrachinon-Molekül ein. 



   Beispiel : 100 Teile technisches, leicht lösliches Sulfosalzgemenge (Beispiel 2 des   französischen   Patentes Nr. 332709) werden in 400 Teilen heissem Wasser gelöst, in der Lösung 100 Teile Kalk gelöscht, darauf 30 Teile Salpeter und 200 Teile 20%ige Chlorkalziumösung zu gegeben und das Ganze im Autoklaven 10 Stunden unter Rühren auf etwa   200"erhitzt.   Nach 
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 mit Salzsäure angesäuerten wässerigen Lösung in Form von feinen, verfilzten, orangefarbenen Nadeln erhalten. Die heisse 5prozentige Lösung dieses Salzes gibt auf Zusatz von Chlorbarium beim Erkalten fast quantitative Ausscheidung von hell orangefarbenen Nadeln des Bariumsalzes. Das Kalziumsalz ist.   bedeutend löslicher   als das Bariumsalz und stellt feine orangefarbene Nadeln dar.

   Tonerdesulfat, Bleiazetat, Chromalaun geben Fällungen erst beim längeren Stehen. Kupfersulfat erzeugt dagegen eine sofortige braunrote Ausscheidung. Die neue Oxysulfosäure stellt einen   Beizenfarbstoff   dar und färbt vorchromierte Wolle violettrot. Die Verbindung soll   ausserdem   als Ausgangsmaterial zur Darstellung von anderen neuen   Farbstofien   dienen. 



   PATENT-ANSPRÜCHE : 
1. Verfahren zur   Herstellung von < x-ss-Oxyanthrachinonen   bezw.   Anthrachinon- < x-ss-oxy-   sulfosäuren   unter   Verwendung von   Anthrachinon-&alpha;-ss-sulfosäuren   durch Erhitzen mit   Erd-     alkauhydroxyden unter Druck   in wässeriger Lösung, dadurch gekennzeichnet, dass man das   Erhitzen unter Zusatz von Oxydationsmitteln   vornimmt.



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 the yield and the purity of the products increased. Contrary to the experience with alkali melting, no further hydroxyl enters the anthraquinone molecule in the presence of the oxidizing agents mentioned.



   Example: 100 parts of technical, easily soluble sulphonic salt mixture (example 2 of French patent no. 332709) are dissolved in 400 parts of hot water, 100 parts of lime are slaked in the solution, 30 parts of saltpeter and 200 parts of 20% calcium chloride solution are then added and that The whole thing is heated to about 200 "in the autoclave for 10 hours while stirring. After
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 aqueous solution acidified with hydrochloric acid in the form of fine, matted, orange-colored needles. The hot 5 percent solution of this salt gives, when chlorinated barium is added, almost quantitative excretion of light orange needles of the barium salt when it cools. The calcium salt is. Significantly more soluble than the barium salt and shows fine orange needles.

   Alumina sulphate, lead acetate and chrome alum give precipitations only when standing for a long time. Copper sulfate, on the other hand, produces an immediate brownish-red excretion. The new oxysulfonic acid is a stain dye and dyes pre-chromed wool purple-red. The compound should also serve as a starting material for the preparation of other new dyes.



   PATENT CLAIMS:
1. Process for the preparation of <x-ss-oxyanthraquinones respectively. Anthraquinone <x-ß-oxysulfonic acids using anthraquinone-α-ß-sulfonic acids by heating with alkaline earth hydroxides under pressure in an aqueous solution, characterized in that the heating is carried out with the addition of oxidizing agents.

 

Claims (1)

2. Verfahren nach Anspruch 1 unter Verwendung von Alkalisalzen der x-ss Antrachinon- sulfosäuren, dadurch gekennzeichnet, dass man die Erhitzung ohne Oxydationsmittel in Gegenwart von Erdalkalisalzen vornimmt. EMI2.2 2. The method according to claim 1 using alkali metal salts of the x-ss antraquinone sulfonic acids, characterized in that the heating is carried out without oxidizing agents in the presence of alkaline earth metal salts. EMI2.2
AT35591D 1903-11-25 1903-11-25 Process for the preparation of α-β-oxyanthraquinones respectively. Anthraquinone-α- and -α-β-oxysulfonic acids. AT35591B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT35591T 1903-11-25

Publications (1)

Publication Number Publication Date
AT35591B true AT35591B (en) 1908-12-28

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ID=3552176

Family Applications (1)

Application Number Title Priority Date Filing Date
AT35591D AT35591B (en) 1903-11-25 1903-11-25 Process for the preparation of α-β-oxyanthraquinones respectively. Anthraquinone-α- and -α-β-oxysulfonic acids.

Country Status (1)

Country Link
AT (1) AT35591B (en)

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