CH155006A - Process for the preparation of 3,5-dichloro-4,6-dimethyl-1-aminobenzene-2-sulfonic acid. - Google Patents
Process for the preparation of 3,5-dichloro-4,6-dimethyl-1-aminobenzene-2-sulfonic acid.Info
- Publication number
- CH155006A CH155006A CH155006DA CH155006A CH 155006 A CH155006 A CH 155006A CH 155006D A CH155006D A CH 155006DA CH 155006 A CH155006 A CH 155006A
- Authority
- CH
- Switzerland
- Prior art keywords
- dichloro
- dimethyl
- acid
- aminobenzene
- preparation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 7
- 238000002360 preparation method Methods 0.000 title claims description 4
- -1 3,5-dichloro-4,6-dimethyl-1-aminobenzene-2-sulfonic acid Chemical compound 0.000 title claims 2
- 239000002253 acid Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003085 diluting agent Substances 0.000 claims description 3
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 claims description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000008049 diazo compounds Chemical class 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- CPICBCWZPCRRHM-UHFFFAOYSA-N 3,5-dichloro-2,4-dimethylaniline Chemical compound ClC=1C(=C(C(=C(C1)N)C)Cl)C CPICBCWZPCRRHM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Darstellung von<B>3.</B> 6-Dieblor-4.6-(Umethyl-l-amino-benzol-2-sulfosätire. Gegenstand dieses Zusatzpatentes ist ein Verfahren zur Darstellung von 3.5-Dieblor- 4.6-dimethyl-l-amino-beijzol-2-sulfosäure, das dadurch gekennzeichnet ist, dass man 3.5-Dichlor-4.6-dimethyl-l-amino-benzol mit molekularen Mengen Halogensulfonsäure, zweckmässig in Gegenwart eines Verdünnungs mittels, unter Ausschluss von Wasser be handelt.
<I>Beispiel:</I> <B>190</B> Gewichtsteile 3.5-Dichlor-4.6-dime- thyl-l-amino-benzol werden in zirka 2000 Gewichtsteilen ortho-Dichlorbenzol gelöst. Unter kräftigem Rühren und unter guter Kühlung tropfen dazu<B>116,5</B> Gewichtsteile Chlorsulfonsäure; man rührteinigeZeit nach und erhitzt dann langsam auf<B>160-1700 0.</B> Apparatur und sonstige Arbeitsbedingungen sind dieselben, wie im Beispiel des Haupt patentes angegeben.
Die erhaltene 3.5-Dichlor-4.6-dimethyl- 1-amino-benzol-92-suliosäure stellt nach dem Absaugen und Trocknen ein farbloses Pulver dar, das in Wasser schwer, in Soda leicht löslich ist und eine in Wasser schwer lösliche Diazoverbindung ergibt. Die neue Säure soll als Zwischenprodukt für den Aufbau von Farbstoffen Verwendung finden.
Process for the preparation of <B> 3. </B> 6-Dieblor-4.6- (Umethyl-1-amino-benzene-2-sulfosätire. The subject of this additional patent is a process for the preparation of 3.5-Dieblor-4,6-dimethyl-l -amino-beijzol-2-sulfonic acid, which is characterized in that 3,5-dichloro-4,6-dimethyl-1-aminobenzene is treated with molecular amounts of halosulfonic acid, advantageously in the presence of a diluent, with exclusion of water.
<I> Example: </I> <B> 190 </B> parts by weight of 3,5-dichloro-4,6-dimethyl-1-aminobenzene are dissolved in about 2000 parts by weight of ortho-dichlorobenzene. With vigorous stirring and with good cooling, <B> 116.5 </B> parts by weight of chlorosulfonic acid are added dropwise; the mixture is stirred for some time and then slowly heated to <B> 160-1700 0. </B> Apparatus and other working conditions are the same as indicated in the example of the main patent.
The 3,5-dichloro-4,6-dimethyl-1-aminobenzene-92-sulioic acid obtained is, after suction and drying, a colorless powder which is sparingly soluble in water, easily soluble in soda and gives a diazo compound which is sparingly soluble in water. The new acid is said to be used as an intermediate in the synthesis of dyes.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE155006X | 1930-04-04 | ||
| CH151675T | 1930-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH155006A true CH155006A (en) | 1932-05-31 |
Family
ID=25715860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH155006D CH155006A (en) | 1930-04-04 | 1931-03-31 | Process for the preparation of 3,5-dichloro-4,6-dimethyl-1-aminobenzene-2-sulfonic acid. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH155006A (en) |
-
1931
- 1931-03-31 CH CH155006D patent/CH155006A/en unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH155004A (en) | Process for the preparation of 3,5-dichloro-4-methyl-1-aminobenzene-2-sulfonic acid. | |
| CH153690A (en) | Process for the preparation of 3.4.6-trimethyl-1-aminobenzene-2-sulfonic acid. | |
| CH155003A (en) | Process for the preparation of 3.4.6-trimethyl-5-chloro-1-aminobenzene-2-sulfonic acid. | |
| CH155005A (en) | Process for the preparation of 3,5-dichloro-2,6-dimethyl-1-aminobenzene-4-sulfonic acid. | |
| CH153689A (en) | Process for the preparation of 4,5-dichloro-2-amino-1-toluene-3-sulfonic acid. | |
| CH153693A (en) | Process for the preparation of 3-chloro-4-methyl-6-methoxy-1-aminobenzene-2-sulfonic acid. | |
| CH153688A (en) | Process for the preparation of 2,5-dichloro-4-amino-1-toluene-3-sulfonic acid. | |
| CH153692A (en) | Process for the preparation of 3-methyl-4-chloro-6-methoxy-1-aminobenzene-2-sulfonic acid. | |
| CH153694A (en) | Process for the preparation of 3-chloro-4-methyl-6-phenoxy-1-aminobenzene-2-sulfonic acid. | |
| CH153696A (en) | Process for the preparation of 3.4.6-trichloro-1-aminobenzene-2-sulfonic acid. | |
| CH153697A (en) | Process for the preparation of 3,6-dimethyl-4-chloro-1-aminobenzene-2-sulfonic acid. | |
| CH153698A (en) | Process for the preparation of 3.6-dichloro-4-nitro-1-aminobenzene-2-sulfonic acid. | |
| CH153695A (en) | Process for the preparation of 3-methyl-4,6-dimethoxy-1-aminobenzene-2-sulfonic acid. | |
| CH153691A (en) | Process for the preparation of 3-methyl-4-methoxy-6-chloro-1-aminobenzene-2-sulfonic acid. | |
| CH155002A (en) | Process for the preparation of 3.4.5-trichloro-1-aminobenzene-2-sulfonic acid. | |
| DE549667C (en) | Wetting, cleaning, leveling, softening and dispersing agents | |
| DE709883C (en) | Process for the preparation of sulfuric acid esters of the monoalkyl ethers of polyhydric cycloaliphatic alcohols | |
| CH198146A (en) | Process for the preparation of a dimethyl coeroxene. | |
| CH142150A (en) | Process for the preparation of high molecular weight sulfonic acids. | |
| CH215571A (en) | Process for the preparation of a mixture of sodium salts of acylated aminomethanesulfonic acids. | |
| CH173732A (en) | Process for the production of cyclohexylphenol. | |
| CH175885A (en) | Process for the preparation of a substantive copper-containing azo dye. | |
| CH234719A (en) | Process for the production of a polyether. | |
| CH205755A (en) | Process for the preparation of a quaternary urea derivative. | |
| CH213840A (en) | Process for the preparation of a quaternary aminobenzylacylamine. |