GB669200A - Improvements in or relating to metal salts for cyclohexyl-sulphamic acid - Google Patents
Improvements in or relating to metal salts for cyclohexyl-sulphamic acidInfo
- Publication number
- GB669200A GB669200A GB11971/49A GB1197149A GB669200A GB 669200 A GB669200 A GB 669200A GB 11971/49 A GB11971/49 A GB 11971/49A GB 1197149 A GB1197149 A GB 1197149A GB 669200 A GB669200 A GB 669200A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cyclohexylamine
- metal salts
- silver
- chloroform
- tertiary amine
- 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
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Metal salts of cyclohexylsulphamic acid are obtained by reacting cyclohexylamine with chlorosulphonic acid in the presence of a tertiary amine more basic than cyclohexylamine and metathesis of the resulting product with a metallic base more basic than the tertiary amine. The tertiary amine should generally be one having a boiling-point lower than cyclohexylamine and is preferably triethylamine. Other tertiary amines specified are trimethylamine, tripropylamine, tributylamine, diethylmethylamine and methylethylpropylamine. The metal salts specified are the alkali metal salts, alkaline earth metal salts and the silver, cadmium and zinc salts. It is preferred to use an anhydrous inert solvent such as chloroform, carbon tetrachloride, benzene and cyclohexane as reaction medium for the cyclohexylamine and chlorosulphonic acid. In an example, chlorosulphonic acid dissolved in dry chloroform is added to a mixture of cyclohexylamine and triethylamine in dry chloroform. The chloroform is then removed by distillation and a solution of sodium hydroxide added. The triethylamine which separates is removed and the brown solution is cooled in an ice bath and the crystalline material filtered off, washed with methanol and then treated with decolourizing charcoal. It is stated that the calcium salt may be prepared by using calcium hydroxide and the silver salt by using silver hydroxide prepared by reacting silver nitrate with sodium hydroxide. U.S.A. Specifications 2,275,125 and 2,383,617 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US669200XA | 1948-05-04 | 1948-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB669200A true GB669200A (en) | 1952-03-26 |
Family
ID=22072569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11971/49A Expired GB669200A (en) | 1948-05-04 | 1949-05-04 | Improvements in or relating to metal salts for cyclohexyl-sulphamic acid |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB669200A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2785195A (en) * | 1954-08-30 | 1957-03-12 | Abbott Lab | Nu-(3-methylcyclopentyl)-sulfamic acid and salts thereof |
| US2805124A (en) * | 1955-11-14 | 1957-09-03 | Du Pont | Preparation of salts of nu-substituted sulfamic acids |
| US2814640A (en) * | 1954-08-12 | 1957-11-26 | Du Pont | Process for preparing cyclohexyl sulfamic acid |
| US2826605A (en) * | 1956-07-27 | 1958-03-11 | Du Pont | Production of cyclohexylsulfamates |
| US3361798A (en) * | 1963-09-19 | 1968-01-02 | Baldwin Montrose Chemical Comp | Preparation of cyclohexylsulfamic acid or metal salts thereof |
| US3401195A (en) * | 1964-04-24 | 1968-09-10 | Clifford A. Crampton | Process of producing sulphamic acid derivatives |
| CN115611244A (en) * | 2021-07-14 | 2023-01-17 | 湖南福邦新材料有限公司 | Preparation method of bis-chlorosulfonyl imide alkali metal salt and bis-fluorosulfonyl imide alkali metal salt |
| CN115611245A (en) * | 2021-07-13 | 2023-01-17 | 湖南福邦新材料有限公司 | Preparation method of bis (chlorosulfonyl) imide acid and bis (fluorosulfonyl) imide lithium |
-
1949
- 1949-05-04 GB GB11971/49A patent/GB669200A/en not_active Expired
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2814640A (en) * | 1954-08-12 | 1957-11-26 | Du Pont | Process for preparing cyclohexyl sulfamic acid |
| US2785195A (en) * | 1954-08-30 | 1957-03-12 | Abbott Lab | Nu-(3-methylcyclopentyl)-sulfamic acid and salts thereof |
| US2805124A (en) * | 1955-11-14 | 1957-09-03 | Du Pont | Preparation of salts of nu-substituted sulfamic acids |
| US2826605A (en) * | 1956-07-27 | 1958-03-11 | Du Pont | Production of cyclohexylsulfamates |
| US3361798A (en) * | 1963-09-19 | 1968-01-02 | Baldwin Montrose Chemical Comp | Preparation of cyclohexylsulfamic acid or metal salts thereof |
| US3366670A (en) * | 1963-09-19 | 1968-01-30 | Baldwin Montrose Chemical Comp | Preparation of cyclohexylsulfamic acid or metal salts thereof |
| US3401195A (en) * | 1964-04-24 | 1968-09-10 | Clifford A. Crampton | Process of producing sulphamic acid derivatives |
| CN115611245A (en) * | 2021-07-13 | 2023-01-17 | 湖南福邦新材料有限公司 | Preparation method of bis (chlorosulfonyl) imide acid and bis (fluorosulfonyl) imide lithium |
| CN115611245B (en) * | 2021-07-13 | 2024-02-02 | 湖南福邦新材料有限公司 | Preparation method of dichloro sulfonyl imide acid and difluoro sulfonyl imide lithium |
| CN115611244A (en) * | 2021-07-14 | 2023-01-17 | 湖南福邦新材料有限公司 | Preparation method of bis-chlorosulfonyl imide alkali metal salt and bis-fluorosulfonyl imide alkali metal salt |
| CN115611244B (en) * | 2021-07-14 | 2024-02-02 | 湖南福邦新材料有限公司 | Preparation method of alkali metal salt of dichloro-sulfonyl imide and alkali metal salt of difluoro-sulfonyl imide |
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