GB774563A - Process for the production of hydroxyalkane-sulphonic acids from their salts - Google Patents
Process for the production of hydroxyalkane-sulphonic acids from their saltsInfo
- Publication number
- GB774563A GB774563A GB1314/55A GB131455A GB774563A GB 774563 A GB774563 A GB 774563A GB 1314/55 A GB1314/55 A GB 1314/55A GB 131455 A GB131455 A GB 131455A GB 774563 A GB774563 A GB 774563A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- salts
- prepared
- hydroxy
- sulphonate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
Abstract
Hydroxy alkane alkane sulphonic acids are prepared by contacting aqueous solutions of their water-soluble salts with a cation-exchanger containing sulphonic acid groups such as acid Wofatits. The water-soluble salts may be alkali metal, ammonium, organic base, calcium, magnesium or aluminium salts. The resulting free acids, wherein a chain of at least 3 carbon atoms separates the hydroxyl and sulphonic acid groups may be converted into the corresponding sultones by splitting-off water by heating. The acid salts may be prepared by reacting allyl or other unsaturated alcohol with a bisulphite. In examples: (1) an aqueous solution of sodium hydroxy propane sulphonate is passed through a column of Lewatit S 100 and the effluent is evaporated in vacuo to remove water; the resulting 3-hydroxy propane-1-sulphonic acid is heated at 130 DEG C. under water-pump vacuum to give the sultone; (2) aqueous sodium 4-hydroxy butane-1-sulphonate is treated as in (1) to yield the free acid and then the corresponding sultone; (3) aqueous sodium hydroxypropane sulphonate is prepared by addition of sodium bisulphite to allyl alcohol in the presence of finely divided air and then diluted and treated as in (1). German Specification 887,341 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE774563X | 1954-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB774563A true GB774563A (en) | 1957-05-08 |
Family
ID=6686098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1314/55A Expired GB774563A (en) | 1954-01-18 | 1955-01-17 | Process for the production of hydroxyalkane-sulphonic acids from their salts |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB774563A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5053530A (en) * | 1990-04-10 | 1991-10-01 | Phillips Petroleum Company | Preparation of isethionic acid with organic acid |
| CN112010785A (en) * | 2020-08-04 | 2020-12-01 | 常熟聚和化学有限公司 | Preparation method of continuous 3-hydroxy sodium propanesulfonate |
-
1955
- 1955-01-17 GB GB1314/55A patent/GB774563A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5053530A (en) * | 1990-04-10 | 1991-10-01 | Phillips Petroleum Company | Preparation of isethionic acid with organic acid |
| CN112010785A (en) * | 2020-08-04 | 2020-12-01 | 常熟聚和化学有限公司 | Preparation method of continuous 3-hydroxy sodium propanesulfonate |
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