AT30253B - Process for the preparation of 1-aminoanthraquinone and its alkyl or aryl derivatives substituted in the amino group. - Google Patents

Process for the preparation of 1-aminoanthraquinone and its alkyl or aryl derivatives substituted in the amino group.

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Publication number
AT30253B
AT30253B AT30253DA AT30253B AT 30253 B AT30253 B AT 30253B AT 30253D A AT30253D A AT 30253DA AT 30253 B AT30253 B AT 30253B
Authority
AT
Austria
Prior art keywords
aminoanthraquinone
alkyl
preparation
amino group
derivatives substituted
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
Priority claimed from DE1902175024D external-priority patent/DE175024C/de
Application filed by Farbenfab Vorm Bayer F & Co filed Critical Farbenfab Vorm Bayer F & Co
Application granted granted Critical
Publication of AT30253B publication Critical patent/AT30253B/en

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Description

  

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    Verfahren zur Darstellung von 1-Aminoanthrachinon und dessen in der Aminogruppe 8ubstituierten Alkyl- oder Arylderivaten.   
 EMI1.1 
   x-1l1onosulfosäuro   die Sulfogruppe leicht durch den betreffenden stickstoffhaltigen Rest ersetzt werden kann. 
 EMI1.2 
 namlich z. B. neben der Substitution einer Sulfogruppe durch Ammoniak in einem an sich ganz analogen Fall die   Bildung einer Aminooxyanthrachinonsulfosäurc   ein (vgl.   ssourcart,     Bull. d. L Soc. Chim.   d. Paris   o3, 2 (U : Berichte 12, 141K). Bei   der Einwirkung von Anilin auf Anthrachinon-ss-monosulfosäure (vgl. deutsches Reichs-Patent nr. 136872 der 
 EMI1.3 
 erhitzt.

   Nach dem Erkalten hat sich das gebildete 1-Aminoanthrachinon in schonen Kristallen   unmittelbar   rein abgeschieden und kann durch Auswaschen mit heissem Wasser von etwa 
 EMI1.4 
 
Beispiel 3 :   40 kg anthrachinon-&alpha;-monosulfosaures Kalium werden   in einem emaillierten Rührwerksautoklaven mit 150 kg p-toluidin und   250 l Wasser während   etwa 
 EMI1.5 
 in   Natronlauge unlösliche Anteil liefert   beim Umkristallisieren aus Pyridin und Methyl-   alkohol das bekannte 1-p-Tolylaminoanthrachinon (deutsches Reichs-Patent Nr. 115048 li'. aux  



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    Process for the preparation of 1-aminoanthraquinone and its alkyl or aryl derivatives substituted in the amino group.
 EMI1.1
   x-1l1onosulfosäuro the sulfo group can easily be replaced by the nitrogen-containing radical in question.
 EMI1.2
 namely z. For example, in addition to the substitution of a sulfo group by ammonia, in a very analogous case, the formation of an aminooxyanthraquinone sulfonic acid (cf. ssourcart, Bull. In the case of the action of aniline on anthraquinone-ss-monosulphonic acid (see German Reich patent no. 136872 of
 EMI1.3
 heated.

   After cooling down, the 1-aminoanthraquinone formed is deposited immediately in pure crystals in beautiful crystals and can be washed out with hot water for about
 EMI1.4
 
Example 3: 40 kg of anthraquinone-α-monosulfonic acid potassium are in an enamelled stirred autoclave with 150 kg p-toluidine and 250 l of water for about
 EMI1.5
 When recrystallizing from pyridine and methyl alcohol, portions which are insoluble in sodium hydroxide solution produce the well-known 1-p-tolylaminoanthraquinone (German Reich patent no

 

Claims (1)

. PATENT-ANSPRUCH : Verfahren zur Darstellung von 1-Aminoanthrachinon und dessen in der Aminogruppe substituierten Alkyl- oder Arylderivaten, darin bestehend, dass man Anthrachinon-x-snlfo- säure mit Ammoniak oder aliphatischen bzw. aromatischen Aminen behandelt. . PATENT CLAIM: Process for the preparation of 1-aminoanthraquinone and its alkyl or aryl derivatives substituted in the amino group, consisting in treating anthraquinone-x-snifoic acid with ammonia or aliphatic or aromatic amines.
AT30253D 1902-12-27 1906-07-13 Process for the preparation of 1-aminoanthraquinone and its alkyl or aryl derivatives substituted in the amino group. AT30253B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1902175024D DE175024C (en) 1902-12-27

Publications (1)

Publication Number Publication Date
AT30253B true AT30253B (en) 1907-10-10

Family

ID=5691720

Family Applications (1)

Application Number Title Priority Date Filing Date
AT30253D AT30253B (en) 1902-12-27 1906-07-13 Process for the preparation of 1-aminoanthraquinone and its alkyl or aryl derivatives substituted in the amino group.

Country Status (1)

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AT (1) AT30253B (en)

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