CH111502A - Process for the preparation of a condensation product of the anthraquinone series which can be used as dye and dye intermediate. - Google Patents
Process for the preparation of a condensation product of the anthraquinone series which can be used as dye and dye intermediate.Info
- Publication number
- CH111502A CH111502A CH111502DA CH111502A CH 111502 A CH111502 A CH 111502A CH 111502D A CH111502D A CH 111502DA CH 111502 A CH111502 A CH 111502A
- Authority
- CH
- Switzerland
- Prior art keywords
- dye
- condensation product
- preparation
- violet
- anthraquinone series
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
- C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
- C09B5/34—Anthraquinone acridones or thioxanthrones
- C09B5/36—Amino acridones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Verfahren zur Darsi.ellung eines als Farbstoff und Farbstoffzwischenprodukt verwendbaren Kondensationsproduktes der Anthrachinonreihe. F5 wurde gefunden, dass man ein neues, als Farbstoff und Farbstoffzwischenprodukt verwendbares Kondensationsprodukt der An- thrachinonreihe erhält, wenn man Cyanur- chlorid und 8-Amino-2,1-anthrachinonakridon miteinander umsetzt, und zwar unter An wendung von weniger als drei, vorzugsweise zwei, Molekülen des letzteren auf je ein Mo lekül des ersteren.
Beispiel 3$ Teile 8-Amino-2,1-anthrachinonakridon werden in 800 Teile Nitrobenzol eingetragen und mit 9,3 Teilen Cyanurchlorid versetzt. Hierauf wird unter Rühren allmählich auf <B>190</B> bis 200 erwärmt und einige Stunden bei dieser Temperatur weitergerührt. Die ab gekühlte Reaktionsflüssigkeit wird filtriert, der Rückstand mit Nitrobenzol und mit Alkohol gewaschen und getrocknet.
Das neue Kondensationsprodukt bildet ein dunkel violettes Pulver, löst sich in konzentrierter Schwefelsäure mit rotoranger Farbe und gibt mit Hydrosulfit und Natronlauge eine violett braune Küpe, aus welcher Baumwolle hervor ragend licht-, wasch- und chlorecht rotviolett gefärbt wird.
Process for the presentation of a condensation product of the anthraquinone series which can be used as dye and dye intermediate. It has been found that a new condensation product of the anthraquinone series which can be used as a dye and dye intermediate is obtained when cyanuric chloride and 8-amino-2,1-anthraquinone acridone are reacted with one another, preferably using fewer than three two molecules of the latter for each one molecule of the former.
EXAMPLE 3 Parts of 8-amino-2,1-anthraquinone acridone are introduced into 800 parts of nitrobenzene, and 9.3 parts of cyanuric chloride are added. The mixture is then gradually heated to <B> 190 </B> to 200 while stirring and stirring is continued for a few hours at this temperature. The cooled reaction liquid is filtered, the residue is washed with nitrobenzene and with alcohol and dried.
The new condensation product forms a dark violet powder, dissolves in concentrated sulfuric acid with a red-orange color and, with hydrosulphite and sodium hydroxide solution, gives a violet-brown vat from which cotton is dyed red-violet, exceptionally light, washable and chlorine-resistant.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH97059T | 1921-05-30 | ||
CH111502T | 1924-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH111502A true CH111502A (en) | 1925-08-17 |
Family
ID=25705211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH111502D CH111502A (en) | 1921-05-30 | 1924-05-13 | Process for the preparation of a condensation product of the anthraquinone series which can be used as dye and dye intermediate. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH111502A (en) |
-
1924
- 1924-05-13 CH CH111502D patent/CH111502A/en unknown
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