GB378895A - Manufacture of carbyl sulphate, ethionic acid, isethionic acid and homologues and analogues thereof - Google Patents
Manufacture of carbyl sulphate, ethionic acid, isethionic acid and homologues and analogues thereofInfo
- Publication number
- GB378895A GB378895A GB14417/31A GB1441731A GB378895A GB 378895 A GB378895 A GB 378895A GB 14417/31 A GB14417/31 A GB 14417/31A GB 1441731 A GB1441731 A GB 1441731A GB 378895 A GB378895 A GB 378895A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- acid
- sulphur dioxide
- hydroaromatic
- liquid
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Lubricants (AREA)
Abstract
Ethionic acid, carbyl sulphate, homologues or the hydroaromatic analogues thereof are obtained by causing sulphur trioxide, chlorosulphonic acid or a mixture thereof to react upon a hydroaromatic alcohol or upon an aliphatic alcohol containing at most seven carbon atoms, particularly ethyl alcohol, in the presence of liquid sulphur dioxide. The corresponding unsaturated hydrocarbons, such as are contained in gases obtained by cracking, may replace the aliphatic or hydroaromatic alcohols. The products may be saponified to give isethionic acid, its homologues or hydroaromatic analogues. In examples (1) ethyl alcohol is treated with a solution of sulphur trioxide in liquid sulphur dioxide to obtain carbyl sulphate; (2) a solution of ethyl alcohol in liquid sulphur dioxide is treated with a solution of sulphur trioxide in sulphur dioxide to obtain ethionic acid; (3) ethylene is led into a solution of sulphur trioxide in liquid sulphur dioxide to obtain carbyl sulphate; (4) a solution of n-butyl alcohol in liquid sulphur dioxide is treated with a solution of sulphur trioxide and chlorosulphonic acid in liquid sulphur dioxide to obtain the homologue of carbyl sulphate derived from butyl alcohol; (5) cyclohexene or cyclohexanol is allowed to run into a solution of sulphur trioxide in liquid sulphur dioxide to obtain cyclohexanol sulphuric acid. Specification 346,945 is referred to. The Specification as open to inspection under Sect. 91 (3) (a) refers to the treatment of aliphatic alcohols in general. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE378895X | 1930-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB378895A true GB378895A (en) | 1932-08-15 |
Family
ID=6344631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14417/31A Expired GB378895A (en) | 1930-05-16 | 1931-05-15 | Manufacture of carbyl sulphate, ethionic acid, isethionic acid and homologues and analogues thereof |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB378895A (en) |
-
1931
- 1931-05-15 GB GB14417/31A patent/GB378895A/en not_active Expired
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