CH106078A - Process for the production of a new intermediate product. - Google Patents
Process for the production of a new intermediate product.Info
- Publication number
- CH106078A CH106078A CH106078DA CH106078A CH 106078 A CH106078 A CH 106078A CH 106078D A CH106078D A CH 106078DA CH 106078 A CH106078 A CH 106078A
- Authority
- CH
- Switzerland
- Prior art keywords
- sep
- aminonaphthol
- new intermediate
- sulfonic acid
- production
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/48—Two nitrogen atoms
- C07D251/50—Two nitrogen atoms with a halogen atom attached to the third ring carbon atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Description
Verfahren zur Herstellung eines neuen Zwischenproduktes. Es wurde gefunden, dass man ein neues Zwischenprodukt, das sekundäre Konden sationsprodukt von einem blol. Cyanurchlorid mit zwei 31o1. 2 - 8 - Aminonaphthol - 6 -sul- fosäu-re, erhält, wenn man auf ein Mol. Cyanurchlorid zwei Mol. 2 # 8 - Aminonaph- thol-6-sulfosäure einwirken lässt.
Diese Kondensation wird durch Zusam menrühren der Komponenten in einem geeig neten Verdünnungsmittel durchgeführt, und es wurde gefunden. dass als solches Wasser in überraschender Weise sehr gut geeignet ist. Das.sekundäre Kondensationsprodukt aus einem Mol. Cyanurchlorid mit zwei Mol. 2 - 8-Aminonaphthol-6-sulfosäure bildet ein in Wasser leicht lösliches, kristallinisches, fast farbloses Pulver. Es enthält noch ein reaktionsfähiges Chloratom und stellt ein wertvolles Ausgangsmaterial zur Herstellung von Farbstoffen dar.
<I>Beispiel:</I> Eine fein verteilte Aufschlemmung von 18,5 Teilen Cyanurchlorid in 1000 Teilen Wasser wird mit Salzsäure schwach sauer gestellt und nach und nach bei 0 unter Rüh- ren mit einer Lösung von 26.2 \feilen 2 # 8- amiuonaphthol-6-sulfosaureixi Natrium in 500 Teilen Wasser versetzt, wobei man durch Zugabe von Sodalösung (im ganzen 5,3 Teile) die Reaktion immer schwach sauer hält.
Die so erhaltene klare Lösung wird in der Kälte mit Soda neutralisiert und wiederum mit einer weiteren Lösung von 26.2 Teilen des Natronsalzes der 2 8 - Aminonaphthol - 6 - sulfosäure versetzt. Man rührt, bis die Aminonaphtholsulfosäure beinahe verschwun den ist, und isoliert das sekundäre Konden sationsprodukt aus einem Mol. Cyanurchlorid und zwei Mol. 2 - 8-AminonaphtIloi-6-sulfo- säure durch Ansäuern, Aussalzen und Fil trieren.
Process for the production of a new intermediate product. It has been found that a new intermediate, the secondary condensation product of a blol. Cyanuric chloride with two 31o1. 2 - 8 - aminonaphthol - 6 - sulfonic acid, is obtained when two moles of 2 # 8 - aminonaphthol - 6 - sulfonic acid are allowed to act on one mole of cyanuric chloride.
This condensation is carried out by stirring the components together in a suitable diluent, and it has been found. that as such water is surprisingly very suitable. The secondary condensation product of one mole of cyanuric chloride with two moles of 2-8-aminonaphthol-6-sulfonic acid forms a crystalline, almost colorless powder that is readily soluble in water. It still contains a reactive chlorine atom and is a valuable starting material for the production of dyes.
<I> Example: </I> A finely divided slurry of 18.5 parts of cyanuric chloride in 1000 parts of water is made weakly acidic with hydrochloric acid and gradually at 0 with stirring with a solution of 26.2 \ files 2 # 8- amiuonaphthol-6-sulfosaureixi sodium is added in 500 parts of water, and the reaction is always kept slightly acidic by adding soda solution (5.3 parts in total).
The clear solution thus obtained is neutralized in the cold with soda, and a further solution of 26.2 parts of the sodium salt of 28-aminonaphthol-6-sulfonic acid is added. The mixture is stirred until the aminonaphtholsulphonic acid has almost disappeared and the secondary condensation product is isolated from one mole of cyanuric chloride and two moles of 2-8-aminonaphthol-6-sulfonic acid by acidification, salting out and filtration.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH103430T | 1922-09-07 | ||
CH106078T | 1922-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH106078A true CH106078A (en) | 1924-08-01 |
Family
ID=25706377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH106078D CH106078A (en) | 1922-09-07 | 1922-09-07 | Process for the production of a new intermediate product. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH106078A (en) |
-
1922
- 1922-09-07 CH CH106078D patent/CH106078A/en unknown
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