CH116081A - Process for the production of an indigoid dye of the anthracene series. - Google Patents
Process for the production of an indigoid dye of the anthracene series.Info
- Publication number
- CH116081A CH116081A CH116081DA CH116081A CH 116081 A CH116081 A CH 116081A CH 116081D A CH116081D A CH 116081DA CH 116081 A CH116081 A CH 116081A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- anthracene series
- indigoid dye
- dye
- blue
- 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
- C09B7/00—Indigoid dyes
- C09B7/06—Indone-thionapthene indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Zusatzpatent zum Hauptpatent Nr. 103649. verfahren zur Herstellung eines indigoiden Farbstoffes der Anthracenreihe. Es wurde gefunden, dass man einen indi- goiden Farbstoff der Anthracenreihe erhält. wenn man ein Anil des 2,3-Anthrachinon- thioisatins mit 2,3-Anthrachinonindoxyl kon densiert.
Der Farbstoff bildet ein blau schwarzes, bronzierendes Pulver, das sich in Schwefelsäure mit grüner Farbe löst und eine Braunolive Küpe gibt, aus welcher Baumwolle blaugrün gefärbt wird. <I>. Beispiel</I> 20,5 Teile des p-Dimethylaminoanils des Z,3-Anthrachinonthioisatins werden mit .13,5 Teilen 2,3-Anthrachinonindoxyl und 500 Tei len Pyridin oder Trichlorbenzol-zwei Stunden unter Rückfluss gekocht. Der ausgeschie dene Farbstoff wird abgesaugt, gewaschen und getrocknet.
Die Reaktion verläuft nach folgender
EMI0001.0020
Additional patent to main patent no. 103649. Process for the production of an indigoid dye of the anthracene series. It has been found that an indigoid dye of the anthracene series is obtained. if an anil of 2,3-anthraquinone thioisatin is condensed with 2,3-anthraquinone indoxyl.
The dye forms a blue-black, bronzing powder, which dissolves in sulfuric acid with a green color and gives a brown olive vat from which cotton is dyed blue-green. <I>. EXAMPLE 20.5 parts of the p-dimethylaminoanil of Z, 3-anthraquinone thioisatin are refluxed for two hours with 13.5 parts of 2,3-anthraquinone indoxyl and 500 parts of pyridine or trichlorobenzene. The excreted dye is filtered off with suction, washed and dried.
The reaction proceeds as follows
EMI0001.0020
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH103649T | 1923-01-24 | ||
CH116081T | 1924-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH116081A true CH116081A (en) | 1926-08-02 |
Family
ID=25706536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH116081D CH116081A (en) | 1923-01-24 | 1924-06-21 | Process for the production of an indigoid dye of the anthracene series. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH116081A (en) |
-
1924
- 1924-06-21 CH CH116081D patent/CH116081A/en unknown
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