AT42405B - Process for the preparation of sulfonic acids of the gallocyanin series. - Google Patents
Process for the preparation of sulfonic acids of the gallocyanin series.Info
- Publication number
- AT42405B AT42405B AT42405DA AT42405B AT 42405 B AT42405 B AT 42405B AT 42405D A AT42405D A AT 42405DA AT 42405 B AT42405 B AT 42405B
- Authority
- AT
- Austria
- Prior art keywords
- gallocyanin
- preparation
- sulfonic acids
- series
- nitrosodimethylaniline
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- 150000003460 sulfonic acids Chemical class 0.000 title claims description 5
- YBGOLOJQJWLUQP-UHFFFAOYSA-N gallocyanin Chemical class OC(=O)C1=CC(=O)C(O)=C2OC3=CC(N(C)C)=CC=C3N=C21 YBGOLOJQJWLUQP-UHFFFAOYSA-N 0.000 title claims description 4
- 238000002360 preparation method Methods 0.000 title claims description 4
- 239000000975 dye Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- LGDPTPLJZGPOJL-UHFFFAOYSA-N n,n-dimethyl-2-nitrosoaniline Chemical compound CN(C)C1=CC=CC=C1N=O LGDPTPLJZGPOJL-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 2
- ADAUKUOAOMLVSN-UHFFFAOYSA-N gallocyanin Chemical compound [Cl-].OC(=O)C1=CC(O)=C(O)C2=[O+]C3=CC(N(C)C)=CC=C3N=C21 ADAUKUOAOMLVSN-UHFFFAOYSA-N 0.000 description 2
- UCMYJOPIPDLTRT-UHFFFAOYSA-N n,n-diethyl-2-nitrosoaniline Chemical compound CCN(CC)C1=CC=CC=C1N=O UCMYJOPIPDLTRT-UHFFFAOYSA-N 0.000 description 2
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 2
- BCHZICNRHXRCHY-UHFFFAOYSA-N 2h-oxazine Chemical compound N1OC=CC=C1 BCHZICNRHXRCHY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- ICLWTJIMXVISSR-UHFFFAOYSA-N gallamine Chemical compound CCN(CC)CCOC1=CC=CC(OCCN(CC)CC)=C1OCCN(CC)CC ICLWTJIMXVISSR-UHFFFAOYSA-N 0.000 description 1
- 229960003054 gallamine Drugs 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- XKSMZERMIZKQLH-UHFFFAOYSA-N n,n-dimethyl-2-nitrosoaniline;hydrochloride Chemical compound Cl.CN(C)C1=CC=CC=C1N=O XKSMZERMIZKQLH-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 150000003142 primary aromatic amines Chemical class 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 150000003336 secondary aromatic amines Chemical class 0.000 description 1
- -1 sulpho group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
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Verfahren zur Darstellung von Sulfosäuren der Gallocyaninreihe.
In der englischen Patentschrift 19002/07 ist ein Verfahren zur Darstellung neuer Sulfosäuren der Gallocyanine beschrieben, welches darin besteht, dass man die durch
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primärer oder sekundärer aromatischer Amine kondensiert. Diese Farbstoffe enthalten die Sulfogruppe nicht an der Stelle, an der bei den gewöhnlichen Gallocyaninen die Carboxylgruppe sitzt.
Es wurde nun gefunden, dass man Gallocyaninfarbstoffe, bei denen die Carboxylgruppe durch die Snifogruppe ersetzt ist, die also genaue Analoga der Gallocyanine sind, erhalten kann, wenn man die durch Verschmelzen von 2.6-Dihalogen-1-phenol-4-sulfosäure
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Während der Eintritt der Farbstoffbildung nach dem Verfahren der englischen Patentschrift 19002/07 mit Sicherheit zu erwarten war. ist dies bei dem vorliegenden Verfahren nicht der Fall. Bekanntlich bildet die GaUaminsäure mit Nitrosodimethylanilin und Nitrosodiäthylanilin leicht die entsprechenden Oxazinfarbstoffe. Wird aber der saure Charakter der Seitenkette verstärkt, indem man statt der Gallaminsänre die Gallussäure selbst verwendet, so erfolgt die Farbstoffhildung schon bedeutend schwieriger. Nur mit Nitrosodimethylanilin erhält man technisch in Betracht kommende Ausbeuten, während Nitrosodiäthylaniiin nur Spuren von Farbstoff liefert.
Es war daher in keiner Weise vorauszusehen, dass bei weiterer Verstärkung des sauren Charakters der Seitenkette, wie dies bei Ersatz der Carboxylgruppe durch die Sulfogruppe der Fall ist, überhaupt noch eine Kondensation mit Nitroso\ erbindungen stattfindet. Bei der Verwendung der Pyrogallol- 4-sulfosäure liegen die Verhältnisse völlig anders : Hier ist die Stellung der Sulfogruppe
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Die nach dem vorliegenden Verfahren erhältlichen Sulfosäuren bieten den grossen Vorteil, dass sie in heissem Wasser bedeutend leichter löslich sind als die Farbstoffe der genannten englischen Patentschrift, was sich besonders auch bei dem dem Gallocyanin
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schaft macht die Produkte für Färberei und Druckerei besonders geeignet.
Beispiel.
18, 6 Teile"salzsaures Nitrosodimethylanilin werden mit'14, 0 Teilen Pyroga ! \ol- 5-sulfosaurem Kalium in 250 Teilen Methylalkohol unter Rückflusskühlung 6 Stunden zum Sieden erhitzt. Nach beendigter Farbstogbildung lässt man erkalten und saugt den Farbstoff ab. Er ist in Sodalösung violett iöslich : die Farbe der Lösung in konzentrierter
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An Stelle des Nitrosodimethylanilins können auch andere der erwähnten \ itrosoverbindungen verwandt werden.
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Process for the preparation of sulfonic acids of the gallocyanin series.
In the English patent 19002/07 a process for the preparation of new sulfonic acids of the gallocyanine is described, which consists in that one by
EMI1.1
primary or secondary aromatic amines condensed. These dyes do not contain the sulpho group at the point where the carboxyl group is located in the common gallocyanines.
It has now been found that gallocyanine dyes in which the carboxyl group has been replaced by the snifo group, which are therefore exact analogues of the gallocyanines, can be obtained if they are obtained by fusing 2,6-dihalo-1-phenol-4-sulfonic acid
EMI1.2
While the onset of dye formation according to the process of English patent 19002/07 was to be expected with certainty. this is not the case in the present proceedings. It is well known that gauamic acid easily forms the corresponding oxazine dyes with nitrosodimethylaniline and nitrosodiethylaniline. If, however, the acidic character of the side chain is strengthened by using the gallic acid itself instead of the gallamine acid, the formation of the dye is considerably more difficult. Technically acceptable yields are obtained only with nitrosodimethylaniline, while nitrosodiethylaniline gives only traces of dye.
It was therefore in no way to be foreseen that if the acidic character of the side chain was further strengthened, as is the case when the carboxyl group is replaced by the sulfo group, condensation with nitroso bonds will take place at all. When using pyrogallol-4-sulfonic acid, the situation is completely different: this is the position of the sulfo group
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The sulfonic acids obtainable by the present process offer the great advantage that they are significantly more readily soluble in hot water than the dyes of the aforementioned English patent, which is particularly evident in the case of gallocyanin
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shank makes the products particularly suitable for dyeing and printing.
Example.
18.6 parts of hydrochloric acid nitrosodimethylaniline are refluxed with 14.0 parts of pyrogenic 5-sulfonic acid potassium in 250 parts of methyl alcohol and refluxed for 6 hours Soda solution violet soluble: the color of the solution in concentrated
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Instead of nitrosodimethylaniline, other of the itroso compounds mentioned can also be used.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE42405X | 1908-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT42405B true AT42405B (en) | 1910-05-25 |
Family
ID=5624051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT42405D AT42405B (en) | 1908-05-13 | 1909-02-17 | Process for the preparation of sulfonic acids of the gallocyanin series. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT42405B (en) |
-
1909
- 1909-02-17 AT AT42405D patent/AT42405B/en active
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